{
"NDC": [
{
"NDCCode": "60892-601-32",
"PackageDescription": "948 mL in 1 BOTTLE, PUMP (60892-601-32) ",
"NDC11Code": "60892-0601-32",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-602-33",
"PackageDescription": "1 BOTTLE, PUMP in 1 BOX (60892-602-33) / 50 mL in 1 BOTTLE, PUMP (60892-602-32) ",
"NDC11Code": "60892-0602-33",
"ProductNDC": "60892-602",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Protective Day",
"NonProprietaryName": "Homosalate, Ethylhexyl Methoxycinnamate,butyl Methoxydibenzoylmethane, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20181212",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "OCTINOXATE; AVOBENZONE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "7.5; 3; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20181212",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-00",
"PackageDescription": "9 mL in 1 PACKET (60892-601-00) ",
"NDC11Code": "60892-0601-00",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-01",
"PackageDescription": "29.625 mL in 1 TUBE (60892-601-01) ",
"NDC11Code": "60892-0601-01",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-03",
"PackageDescription": "89 mL in 1 TUBE (60892-601-03) ",
"NDC11Code": "60892-0601-03",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH FINAL",
"ApplicationNumber": "part352",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Deprecated",
"LastUpdate": "2018-12-28",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20191231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N"
},
{
"NDCCode": "60892-601-04",
"PackageDescription": "1 BOTTLE, PUMP in 1 BOX (60892-601-04) / 237 mL in 1 BOTTLE, PUMP (60892-601-08) ",
"NDC11Code": "60892-0601-04",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-05",
"PackageDescription": "1 TUBE in 1 BOX (60892-601-05) / 89 mL in 1 TUBE (60892-601-03) ",
"NDC11Code": "60892-0601-05",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20181213",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-08",
"PackageDescription": "237 mL in 1 BOTTLE, PUMP (60892-601-08)",
"NDC11Code": "60892-0601-08",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH FINAL",
"ApplicationNumber": "part352",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Deprecated",
"LastUpdate": "2018-03-05",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20181231"
},
{
"NDCCode": "60892-601-64",
"PackageDescription": "1896 mL in 1 BOTTLE, PUMP (60892-601-64) ",
"NDC11Code": "60892-0601-64",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20140131",
"SamplePackage": "N",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "60892-601-77",
"PackageDescription": "4 mL in 1 PACKET (60892-601-77) ",
"NDC11Code": "60892-0601-77",
"ProductNDC": "60892-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Trilipiderm",
"ProprietaryNameSuffix": "Broad Spectrum Spf 30",
"NonProprietaryName": "Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene",
"DosageFormName": "CREAM",
"RouteName": "TOPICAL",
"StartMarketingDate": "20140131",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M020",
"LabelerName": "TriLipid Research Institute, LLC",
"SubstanceName": "AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE",
"StrengthNumber": "3; 7.5; 10; 2.7",
"StrengthUnit": "g/100mL; g/100mL; g/100mL; g/100mL",
"Status": "Active",
"LastUpdate": "2025-11-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20181212",
"SamplePackage": "Y",
"IndicationAndUsage": "Helps Prevent Sunburn."
},
{
"NDCCode": "23155-601-42",
"PackageDescription": "10 VIAL, MULTI-DOSE in 1 CARTON (23155-601-42) / 10 mL in 1 VIAL, MULTI-DOSE (23155-601-32) ",
"NDC11Code": "23155-0601-42",
"ProductNDC": "23155-601",
"ProductTypeName": "HUMAN PRESCRIPTION DRUG",
"ProprietaryName": "Midazolam Hydrochloride",
"NonProprietaryName": "Midazolam Hydrochloride",
"DosageFormName": "INJECTION, SOLUTION",
"RouteName": "INTRAMUSCULAR; INTRAVENOUS",
"StartMarketingDate": "20161107",
"MarketingCategoryName": "ANDA",
"ApplicationNumber": "ANDA090850",
"LabelerName": "Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.",
"SubstanceName": "MIDAZOLAM HYDROCHLORIDE",
"StrengthNumber": "5",
"StrengthUnit": "mg/mL",
"Pharm_Classes": "Benzodiazepine [EPC], Benzodiazepines [CS]",
"DEASchedule": "CIV",
"Status": "Active",
"LastUpdate": "2023-04-12",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20261231",
"StartMarketingDatePackage": "20161107",
"SamplePackage": "N",
"IndicationAndUsage": "Midazolam Injection is indicated: 1 intramuscularly or intravenously for preoperative sedation/anxiolysis/amnesia;, 2 intravenously as an agent for sedation/anxiolysis/amnesia prior to or during diagnostic, therapeutic or endoscopic procedures, such as bronchoscopy, gastroscopy, cystoscopy, coronary angiography, cardiac catheterization, oncology procedures, radiologic procedures, suture of lacerations and other procedures either alone or in combination with other CNS depressants;, 3 intravenously for induction of general anesthesia, before administration of other anesthetic agents. With the use of narcotic premedication, induction of anesthesia can be attained within a relatively narrow dose range and in a short period of time. Intravenous midazolam can also be used as a component of intravenous supplementation of nitrous oxide and oxygen (balanced anesthesia);, 4 continuous intravenous infusion for sedation of intubated and mechanically ventilated patients as a component of anesthesia or during treatment in a critical care setting.",
"Description": "Midazolam hydrochloride is a water-soluble benzodiazepine available as a sterile, nonpyrogenic parenteral dosage form for intravenous or intramuscular injection. Each mL contains midazolam hydrochloride equivalent to 5 mg midazolam compounded with 0.8% sodium chloride and 0.01% edetate disodium, with 1% benzyl alcohol as preservative; the pH is adjusted to 2.9 to 3.5 with hydrochloric acid and, if necessary, sodium hydroxide. Midazolam is a white or yellowish crystalline powder, insoluble in water. The hydrochloride salt of midazolam, which is formed in situ, is soluble in aqueous solutions. Chemically, midazolam HCl is 8-chloro-6-(2-fluorophenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepine hydrochloride. Midazolam hydrochloride has the empirical formula C18H13ClFN3HCl, a calculated molecular weight of 362.25 and the following structural formula. Under the acidic conditions required to solubilize midazolam in the product, midazolam is present as an equilibrium mixture (shown below) of the closed ring form shown above and an open-ring structure formed by the acid-catalyzed ring opening of the 4,5-double bond of the diazepine ring. The amount of open-ring form is dependent upon the pH of the solution. At the specified pH of the product, the solution may contain up to about 25% of the open-ring compound. At the physiologic conditions under which the product is absorbed (pH of 5 to 8) into the systemic circulation, any open-ring form present reverts to the physiologically active, lipophilic, closed-ring form (midazolam) and is absorbed as such. The following chart plots the percentage of midazolam present as the open-ring form as a function of pH in aqueous solutions. As indicated in the graph, the amount of open-ring compound present in solution is sensitive to changes in pH over the pH range specified for the product: 3.0 to 3.6 for the 5 mg/mL concentration. Above pH 5, at least 99% of the mixture is present in the closed-ring form."
},
{
"NDCCode": "45334-601-32",
"PackageDescription": "1 TUBE in 1 CARTON (45334-601-32) > 9.2 g in 1 TUBE",
"NDC11Code": "45334-0601-32",
"ProductNDC": "45334-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Vaniply",
"NonProprietaryName": "Dimethicone",
"DosageFormName": "OINTMENT",
"RouteName": "TOPICAL",
"StartMarketingDate": "20170807",
"EndMarketingDate": "20200930",
"MarketingCategoryName": "OTC MONOGRAPH FINAL",
"ApplicationNumber": "part347",
"LabelerName": "Pharmaceutical Specialties, Inc.",
"SubstanceName": "DIMETHICONE",
"StrengthNumber": "20",
"StrengthUnit": "mg/g",
"Status": "Deprecated",
"LastUpdate": "2020-10-01",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"StartMarketingDatePackage": "20170807",
"EndMarketingDatePackage": "20200930",
"SamplePackage": "N"
},
{
"NDCCode": "51316-601-27",
"PackageDescription": "1 BOTTLE, PLASTIC in 1 CARTON (51316-601-27) / 32 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC",
"NDC11Code": "51316-0601-27",
"ProductNDC": "51316-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Aspirin 81 Mg",
"ProprietaryNameSuffix": "Low Dose",
"NonProprietaryName": "Aspirin",
"DosageFormName": "TABLET, DELAYED RELEASE",
"RouteName": "ORAL",
"StartMarketingDate": "20250702",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M013",
"LabelerName": "CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED",
"SubstanceName": "ASPIRIN",
"StrengthNumber": "81",
"StrengthUnit": "mg/1",
"Pharm_Classes": "Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]",
"Status": "Active",
"LastUpdate": "2026-04-25",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20271231",
"StartMarketingDatePackage": "20250702",
"SamplePackage": "N",
"IndicationAndUsage": "for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief."
},
{
"NDCCode": "51316-601-32",
"PackageDescription": "1 BOTTLE, PLASTIC in 1 CARTON (51316-601-32) / 120 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC",
"NDC11Code": "51316-0601-32",
"ProductNDC": "51316-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Aspirin 81 Mg",
"ProprietaryNameSuffix": "Low Dose",
"NonProprietaryName": "Aspirin",
"DosageFormName": "TABLET, DELAYED RELEASE",
"RouteName": "ORAL",
"StartMarketingDate": "20250702",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M013",
"LabelerName": "CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED",
"SubstanceName": "ASPIRIN",
"StrengthNumber": "81",
"StrengthUnit": "mg/1",
"Pharm_Classes": "Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]",
"Status": "Active",
"LastUpdate": "2026-04-25",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20271231",
"StartMarketingDatePackage": "20250702",
"SamplePackage": "N",
"IndicationAndUsage": "for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief."
},
{
"NDCCode": "55319-601-32",
"PackageDescription": "1 BOTTLE, PLASTIC in 1 CARTON (55319-601-32) / 120 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC",
"NDC11Code": "55319-0601-32",
"ProductNDC": "55319-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Low Dose Aspirin",
"NonProprietaryName": "Aspirin",
"DosageFormName": "TABLET, DELAYED RELEASE",
"RouteName": "ORAL",
"StartMarketingDate": "20191119",
"MarketingCategoryName": "OTC MONOGRAPH DRUG",
"ApplicationNumber": "M013",
"LabelerName": "Family Dollar Services Inc",
"SubstanceName": "ASPIRIN",
"StrengthNumber": "81",
"StrengthUnit": "mg/1",
"Pharm_Classes": "Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]",
"Status": "Active",
"LastUpdate": "2026-01-13",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20271231",
"StartMarketingDatePackage": "20191119",
"SamplePackage": "N",
"IndicationAndUsage": "for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief."
},
{
"NDCCode": "69898-601-32",
"PackageDescription": "946 mL in 1 BOTTLE, PLASTIC (69898-601-32) ",
"NDC11Code": "69898-0601-32",
"ProductNDC": "69898-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Premium Hand Sanitizer",
"NonProprietaryName": "Alcohol",
"DosageFormName": "LIQUID",
"RouteName": "TOPICAL",
"StartMarketingDate": "20200415",
"MarketingCategoryName": "OTC MONOGRAPH NOT FINAL",
"ApplicationNumber": "part333A",
"LabelerName": "MD Science Lab LLC",
"SubstanceName": "ALCOHOL",
"StrengthNumber": "70",
"StrengthUnit": "mL/100mL",
"Status": "Deprecated",
"LastUpdate": "2022-01-04",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20211231",
"StartMarketingDatePackage": "20200415",
"SamplePackage": "N",
"IndicationAndUsage": "For hand sanitizing to decrease bacteria on the skin. Recommended for repeated use."
},
{
"NDCCode": "75682-601-32",
"PackageDescription": "946 mL in 1 BOTTLE, PLASTIC (75682-601-32) ",
"NDC11Code": "75682-0601-32",
"ProductNDC": "75682-601",
"ProductTypeName": "HUMAN OTC DRUG",
"ProprietaryName": "Smply Eucalyptus Hand Sanitizer",
"NonProprietaryName": "Alcohol",
"DosageFormName": "GEL",
"RouteName": "TOPICAL",
"StartMarketingDate": "20200330",
"MarketingCategoryName": "OTC MONOGRAPH NOT FINAL",
"ApplicationNumber": "part333A",
"LabelerName": "Froggy's Fog LLC",
"SubstanceName": "ALCOHOL",
"StrengthNumber": "80",
"StrengthUnit": "mL/100mL",
"Status": "Deprecated",
"LastUpdate": "2023-01-03",
"PackageNdcExcludeFlag": "N",
"ProductNdcExcludeFlag": "N",
"ListingRecordCertifiedThrough": "20221231",
"StartMarketingDatePackage": "20200330",
"SamplePackage": "N",
"IndicationAndUsage": "Hand Sanitizer to help reduce bacteria that potentially can cause disease. For use when soap and water are not available."
},
{
"NDCCode": "0074-4456-04",
"PackageDescription": "250 mL in 1 BOTTLE, PLASTIC (0074-4456-04) ",
"NDC11Code": "00074-4456-04",
"ProductNDC": "0074-4456",
"ProductTypeName": "HUMAN PRESCRIPTION DRUG",
"ProprietaryName": "Ultane",
"NonProprietaryName": "Sevoflurane",
"DosageFormName": "LIQUID",
"RouteName": "RESPIRATORY (INHALATION)",
"StartMarketingDate": "19950607",
"MarketingCategoryName": "NDA",
"ApplicationNumber": "NDA020478",
"LabelerName": "AbbVie Inc.",
"SubstanceName": "SEVOFLURANE",
"StrengthNumber": "250",
"StrengthUnit": "mL/250mL",
"Pharm_Classes": "General Anesthesia [PE], General Anesthetic [EPC]",
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"LastUpdate": "2025-02-14",
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"Description": "ULTANE (sevoflurane), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "ULTANE (sevoflurane), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (˃ 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (˃ 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"Description": "Sevoflurane, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g.Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1, 1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050 to 1090 ppm (male-female) and, at 3 hours, 350 to 490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"IndicationAndUsage": "Sevoflurane is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sevoflurane should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane should be used.",
"Description": "Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is：. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2absorbents (e.g., Baralyme ®and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2and Compound A production is illustrated in the following in vitro simulation where CO 2was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO 2absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC 50reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"PackageDescription": "30 TABLET in 1 BOTTLE, PLASTIC (42858-601-03) ",
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"ProductNDC": "42858-601",
"ProductTypeName": "HUMAN PRESCRIPTION DRUG",
"ProprietaryName": "Buprenorphine And Naloxone",
"NonProprietaryName": "Buprenorphine And Naloxone",
"DosageFormName": "TABLET",
"RouteName": "SUBLINGUAL",
"StartMarketingDate": "20200413",
"MarketingCategoryName": "ANDA",
"ApplicationNumber": "ANDA205601",
"LabelerName": "Rhodes Pharmaceuticals LLC",
"SubstanceName": "BUPRENORPHINE HYDROCHLORIDE; NALOXONE HYDROCHLORIDE DIHYDRATE",
"StrengthNumber": "2; .5",
"StrengthUnit": "mg/1; mg/1",
"Pharm_Classes": "Opioid Antagonist [EPC], Opioid Antagonists [MoA], Partial Opioid Agonist [EPC], Partial Opioid Agonists [MoA]",
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"IndicationAndUsage": "Buprenorphine and naloxone sublingual tablets are indicated for maintenance treatment of opioid dependence. Buprenorphine and naloxone sublingual tablets should be used as part of a complete treatment plan that includes counseling and psychosocial support.",
"Description": "Buprenorphine and naloxone sublingual tablet, USP is an orange, round flat-faced beveled edge tablet, debossed with an alphanumeric word identifying the product strength. It contains buprenorphine HCl, a partial agonist at the mu-opioid receptor, and naloxone HCl dihydrate, an opioid receptor antagonist, at a ratio of 4:1 (ratio of free bases). It is intended for sublingual administration and is available in two dosage strengths, 2 mg buprenorphine with 0.5 mg naloxone and 8 mg buprenorphine with 2 mg naloxone. Each sublingual tablet also contains the following inactive ingredients: lactose monohydrate, povidone K29/32, acesulfame potassium, FD&C Yellow No.6 aluminum lake, natural lemon flavor 717297 (corn syrup solids, maltodextrin, modified starch, natural flavorings, tocopherol), citric acid anhydrous, trisodium citrate dihydrate, corn starch, mannitol, and magnesium stearate. Chemically, buprenorphine HCl is (2S)-2-[17-Cyclopropylmethyl-4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3-dimethylbutan-2-ol hydrochloride. It has the following chemical structure. Buprenorphine HCl has the molecular formula C29H41NO4 ∙ HCl and the molecular weight is 504.10. It is a white or off-white crystalline powder, sparingly soluble in water, freely soluble in methanol, soluble in alcohol, and practically insoluble in cyclohexane. Chemically, naloxone HCl dihydrate is 17-Allyl-4, 5 α -epoxy-3, 14-dihydroxymorphinan-6-one hydrochloride dihydrate. It has the following chemical structure. Naloxone hydrochloride dihydrate has the molecular formula C19H21NO4 ∙ HCl ∙ 2H20 and the molecular weight is 399.87. It is a white to slightly off-white powder and is freely soluble in water, soluble in alcohol, and practically insoluble in toluene and ether."
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"LabelerName": "NextSource Pharma",
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"IndicationAndUsage": "Sevoflurane is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sevoflurane should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane should be used.",
"Description": "Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, Physical Constants are. Distribution Partition Coefficients at 37°C. Mean Component/Gas Partition Coefficients at 25°C for Polymers Used Commonly in Medical Applications. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2absorbents (e.g., Baralyme ®and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2absorbents (especially with potassium hydroxide containing absorbents e.g. Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO 2absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2and Compound A production is illustrated in the following in vitrosimulation where CO 2was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO 2absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC 50reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme ®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
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"ProprietaryName": "Sojourn",
"NonProprietaryName": "Sevoflurane",
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"LabelerName": "Piramal Critical Care Inc",
"SubstanceName": "SEVOFLURANE",
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"IndicationAndUsage": "Sojourn ® (sevoflurane, USP) is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sojourn ® (sevoflurane, USP) should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane, USP should be used.",
"Description": "Sojourn ® (sevoflurane, USP), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane, Physical Constants are. Distribution Partition Coefficients at 37°C. Mean Component/Gas Partition Coefficients at 25°C for Polymers Used Commonly in Medical Applications. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2 absorbents (e.g., Baralyme ® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO 2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2- bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2 and Compound A production is illustrated in the following in vitro simulation where CO 2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO 2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme ®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels."
}
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<NDC11Code>60892-0601-00</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20140131</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>60892-601-01</NDCCode>
<PackageDescription>29.625 mL in 1 TUBE (60892-601-01) </PackageDescription>
<NDC11Code>60892-0601-01</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20140131</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>60892-601-03</NDCCode>
<PackageDescription>89 mL in 1 TUBE (60892-601-03) </PackageDescription>
<NDC11Code>60892-0601-03</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH FINAL</MarketingCategoryName>
<ApplicationNumber>part352</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Deprecated</Status>
<LastUpdate>2018-12-28</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20191231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20140131</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
</NDC>
<NDC>
<NDCCode>60892-601-04</NDCCode>
<PackageDescription>1 BOTTLE, PUMP in 1 BOX (60892-601-04) / 237 mL in 1 BOTTLE, PUMP (60892-601-08) </PackageDescription>
<NDC11Code>60892-0601-04</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20140131</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>60892-601-05</NDCCode>
<PackageDescription>1 TUBE in 1 BOX (60892-601-05) / 89 mL in 1 TUBE (60892-601-03) </PackageDescription>
<NDC11Code>60892-0601-05</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20181213</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>60892-601-08</NDCCode>
<PackageDescription>237 mL in 1 BOTTLE, PUMP (60892-601-08)</PackageDescription>
<NDC11Code>60892-0601-08</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH FINAL</MarketingCategoryName>
<ApplicationNumber>part352</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Deprecated</Status>
<LastUpdate>2018-03-05</LastUpdate>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20181231</ListingRecordCertifiedThrough>
</NDC>
<NDC>
<NDCCode>60892-601-64</NDCCode>
<PackageDescription>1896 mL in 1 BOTTLE, PUMP (60892-601-64) </PackageDescription>
<NDC11Code>60892-0601-64</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20140131</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>60892-601-77</NDCCode>
<PackageDescription>4 mL in 1 PACKET (60892-601-77) </PackageDescription>
<NDC11Code>60892-0601-77</NDC11Code>
<ProductNDC>60892-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Trilipiderm</ProprietaryName>
<ProprietaryNameSuffix>Broad Spectrum Spf 30</ProprietaryNameSuffix>
<NonProprietaryName>Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Homosalate, Octocrylene</NonProprietaryName>
<DosageFormName>CREAM</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20140131</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M020</ApplicationNumber>
<LabelerName>TriLipid Research Institute, LLC</LabelerName>
<SubstanceName>AVOBENZONE; OCTINOXATE; HOMOSALATE; OCTOCRYLENE</SubstanceName>
<StrengthNumber>3; 7.5; 10; 2.7</StrengthNumber>
<StrengthUnit>g/100mL; g/100mL; g/100mL; g/100mL</StrengthUnit>
<Status>Active</Status>
<LastUpdate>2025-11-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20181212</StartMarketingDatePackage>
<SamplePackage>Y</SamplePackage>
<IndicationAndUsage>Helps Prevent Sunburn.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>23155-601-42</NDCCode>
<PackageDescription>10 VIAL, MULTI-DOSE in 1 CARTON (23155-601-42) / 10 mL in 1 VIAL, MULTI-DOSE (23155-601-32) </PackageDescription>
<NDC11Code>23155-0601-42</NDC11Code>
<ProductNDC>23155-601</ProductNDC>
<ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
<ProprietaryName>Midazolam Hydrochloride</ProprietaryName>
<NonProprietaryName>Midazolam Hydrochloride</NonProprietaryName>
<DosageFormName>INJECTION, SOLUTION</DosageFormName>
<RouteName>INTRAMUSCULAR; INTRAVENOUS</RouteName>
<StartMarketingDate>20161107</StartMarketingDate>
<MarketingCategoryName>ANDA</MarketingCategoryName>
<ApplicationNumber>ANDA090850</ApplicationNumber>
<LabelerName>Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.</LabelerName>
<SubstanceName>MIDAZOLAM HYDROCHLORIDE</SubstanceName>
<StrengthNumber>5</StrengthNumber>
<StrengthUnit>mg/mL</StrengthUnit>
<Pharm_Classes>Benzodiazepine [EPC], Benzodiazepines [CS]</Pharm_Classes>
<DEASchedule>CIV</DEASchedule>
<Status>Active</Status>
<LastUpdate>2023-04-12</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20261231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20161107</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>Midazolam Injection is indicated: 1 intramuscularly or intravenously for preoperative sedation/anxiolysis/amnesia;, 2 intravenously as an agent for sedation/anxiolysis/amnesia prior to or during diagnostic, therapeutic or endoscopic procedures, such as bronchoscopy, gastroscopy, cystoscopy, coronary angiography, cardiac catheterization, oncology procedures, radiologic procedures, suture of lacerations and other procedures either alone or in combination with other CNS depressants;, 3 intravenously for induction of general anesthesia, before administration of other anesthetic agents. With the use of narcotic premedication, induction of anesthesia can be attained within a relatively narrow dose range and in a short period of time. Intravenous midazolam can also be used as a component of intravenous supplementation of nitrous oxide and oxygen (balanced anesthesia);, 4 continuous intravenous infusion for sedation of intubated and mechanically ventilated patients as a component of anesthesia or during treatment in a critical care setting.</IndicationAndUsage>
<Description>Midazolam hydrochloride is a water-soluble benzodiazepine available as a sterile, nonpyrogenic parenteral dosage form for intravenous or intramuscular injection. Each mL contains midazolam hydrochloride equivalent to 5 mg midazolam compounded with 0.8% sodium chloride and 0.01% edetate disodium, with 1% benzyl alcohol as preservative; the pH is adjusted to 2.9 to 3.5 with hydrochloric acid and, if necessary, sodium hydroxide. Midazolam is a white or yellowish crystalline powder, insoluble in water. The hydrochloride salt of midazolam, which is formed in situ, is soluble in aqueous solutions. Chemically, midazolam HCl is 8-chloro-6-(2-fluorophenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepine hydrochloride. Midazolam hydrochloride has the empirical formula C18H13ClFN3HCl, a calculated molecular weight of 362.25 and the following structural formula. Under the acidic conditions required to solubilize midazolam in the product, midazolam is present as an equilibrium mixture (shown below) of the closed ring form shown above and an open-ring structure formed by the acid-catalyzed ring opening of the 4,5-double bond of the diazepine ring. The amount of open-ring form is dependent upon the pH of the solution. At the specified pH of the product, the solution may contain up to about 25% of the open-ring compound. At the physiologic conditions under which the product is absorbed (pH of 5 to 8) into the systemic circulation, any open-ring form present reverts to the physiologically active, lipophilic, closed-ring form (midazolam) and is absorbed as such. The following chart plots the percentage of midazolam present as the open-ring form as a function of pH in aqueous solutions. As indicated in the graph, the amount of open-ring compound present in solution is sensitive to changes in pH over the pH range specified for the product: 3.0 to 3.6 for the 5 mg/mL concentration. Above pH 5, at least 99% of the mixture is present in the closed-ring form.</Description>
</NDC>
<NDC>
<NDCCode>45334-601-32</NDCCode>
<PackageDescription>1 TUBE in 1 CARTON (45334-601-32) > 9.2 g in 1 TUBE</PackageDescription>
<NDC11Code>45334-0601-32</NDC11Code>
<ProductNDC>45334-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Vaniply</ProprietaryName>
<NonProprietaryName>Dimethicone</NonProprietaryName>
<DosageFormName>OINTMENT</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20170807</StartMarketingDate>
<EndMarketingDate>20200930</EndMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH FINAL</MarketingCategoryName>
<ApplicationNumber>part347</ApplicationNumber>
<LabelerName>Pharmaceutical Specialties, Inc.</LabelerName>
<SubstanceName>DIMETHICONE</SubstanceName>
<StrengthNumber>20</StrengthNumber>
<StrengthUnit>mg/g</StrengthUnit>
<Status>Deprecated</Status>
<LastUpdate>2020-10-01</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<StartMarketingDatePackage>20170807</StartMarketingDatePackage>
<EndMarketingDatePackage>20200930</EndMarketingDatePackage>
<SamplePackage>N</SamplePackage>
</NDC>
<NDC>
<NDCCode>51316-601-27</NDCCode>
<PackageDescription>1 BOTTLE, PLASTIC in 1 CARTON (51316-601-27) / 32 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC</PackageDescription>
<NDC11Code>51316-0601-27</NDC11Code>
<ProductNDC>51316-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Aspirin 81 Mg</ProprietaryName>
<ProprietaryNameSuffix>Low Dose</ProprietaryNameSuffix>
<NonProprietaryName>Aspirin</NonProprietaryName>
<DosageFormName>TABLET, DELAYED RELEASE</DosageFormName>
<RouteName>ORAL</RouteName>
<StartMarketingDate>20250702</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M013</ApplicationNumber>
<LabelerName>CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED</LabelerName>
<SubstanceName>ASPIRIN</SubstanceName>
<StrengthNumber>81</StrengthNumber>
<StrengthUnit>mg/1</StrengthUnit>
<Pharm_Classes>Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]</Pharm_Classes>
<Status>Active</Status>
<LastUpdate>2026-04-25</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20250702</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>51316-601-32</NDCCode>
<PackageDescription>1 BOTTLE, PLASTIC in 1 CARTON (51316-601-32) / 120 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC</PackageDescription>
<NDC11Code>51316-0601-32</NDC11Code>
<ProductNDC>51316-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Aspirin 81 Mg</ProprietaryName>
<ProprietaryNameSuffix>Low Dose</ProprietaryNameSuffix>
<NonProprietaryName>Aspirin</NonProprietaryName>
<DosageFormName>TABLET, DELAYED RELEASE</DosageFormName>
<RouteName>ORAL</RouteName>
<StartMarketingDate>20250702</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M013</ApplicationNumber>
<LabelerName>CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED</LabelerName>
<SubstanceName>ASPIRIN</SubstanceName>
<StrengthNumber>81</StrengthNumber>
<StrengthUnit>mg/1</StrengthUnit>
<Pharm_Classes>Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]</Pharm_Classes>
<Status>Active</Status>
<LastUpdate>2026-04-25</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20250702</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>55319-601-32</NDCCode>
<PackageDescription>1 BOTTLE, PLASTIC in 1 CARTON (55319-601-32) / 120 TABLET, DELAYED RELEASE in 1 BOTTLE, PLASTIC</PackageDescription>
<NDC11Code>55319-0601-32</NDC11Code>
<ProductNDC>55319-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Low Dose Aspirin</ProprietaryName>
<NonProprietaryName>Aspirin</NonProprietaryName>
<DosageFormName>TABLET, DELAYED RELEASE</DosageFormName>
<RouteName>ORAL</RouteName>
<StartMarketingDate>20191119</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
<ApplicationNumber>M013</ApplicationNumber>
<LabelerName>Family Dollar Services Inc</LabelerName>
<SubstanceName>ASPIRIN</SubstanceName>
<StrengthNumber>81</StrengthNumber>
<StrengthUnit>mg/1</StrengthUnit>
<Pharm_Classes>Anti-Inflammatory Agents, Non-Steroidal [CS], Cyclooxygenase Inhibitors [MoA], Decreased Platelet Aggregation [PE], Decreased Prostaglandin Production [PE], Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]</Pharm_Classes>
<Status>Active</Status>
<LastUpdate>2026-01-13</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20191119</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>for the temporary relief of minor aches and pains or as recommended by your doctor. Because of its delayed action, this product will not provide fast relief of headaches or other symptoms needing immediate relief.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>69898-601-32</NDCCode>
<PackageDescription>946 mL in 1 BOTTLE, PLASTIC (69898-601-32) </PackageDescription>
<NDC11Code>69898-0601-32</NDC11Code>
<ProductNDC>69898-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Premium Hand Sanitizer</ProprietaryName>
<NonProprietaryName>Alcohol</NonProprietaryName>
<DosageFormName>LIQUID</DosageFormName>
<RouteName>TOPICAL</RouteName>
<StartMarketingDate>20200415</StartMarketingDate>
<MarketingCategoryName>OTC MONOGRAPH NOT FINAL</MarketingCategoryName>
<ApplicationNumber>part333A</ApplicationNumber>
<LabelerName>MD Science Lab LLC</LabelerName>
<SubstanceName>ALCOHOL</SubstanceName>
<StrengthNumber>70</StrengthNumber>
<StrengthUnit>mL/100mL</StrengthUnit>
<Status>Deprecated</Status>
<LastUpdate>2022-01-04</LastUpdate>
<PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
<ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
<ListingRecordCertifiedThrough>20211231</ListingRecordCertifiedThrough>
<StartMarketingDatePackage>20200415</StartMarketingDatePackage>
<SamplePackage>N</SamplePackage>
<IndicationAndUsage>For hand sanitizing to decrease bacteria on the skin. Recommended for repeated use.</IndicationAndUsage>
</NDC>
<NDC>
<NDCCode>75682-601-32</NDCCode>
<PackageDescription>946 mL in 1 BOTTLE, PLASTIC (75682-601-32) </PackageDescription>
<NDC11Code>75682-0601-32</NDC11Code>
<ProductNDC>75682-601</ProductNDC>
<ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
<ProprietaryName>Smply Eucalyptus Hand Sanitizer</ProprietaryName>
<NonProprietaryName>Alcohol</NonProprietaryName>
<DosageFormName>GEL</DosageFormName>
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<Description>ULTANE (sevoflurane), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>ULTANE (sevoflurane), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (˃ 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane, USP degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane, USP concentrations (8%) for extended periods of time (˃ 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane, USP to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<Description>Sevoflurane, USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane, USP is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, USP is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane, USP is a clear, colorless, liquid containing no additives. Sevoflurane, USP is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane, USP is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane, USP is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane, USP occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g., Baralyme® and to a lesser extent soda lime) within the anesthesia machine, Sevoflurane, USP can undergo degradation under certain conditions. Degradation of sevoflurane, USP is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane, USP degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane, USP concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane, USP alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, USP, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane, USP similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane, USP concentrations and duration of anesthesia. In a clinical study in which sevoflurane, USP was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane, USP exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane, USP plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane, USP in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane, USP occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane, USP into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. 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<IndicationAndUsage>Sevoflurane is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sevoflurane should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane should be used.</IndicationAndUsage>
<Description>Sevoflurane, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO2 absorbents (e.g Baralyme® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO2 absorbents (especially with potassium hydroxide containing absorbents e.g.Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C4H2F6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C5H6F6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1, 1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO2 and Compound A production is illustrated in the following in vitro simulation where CO2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050 to 1090 ppm (male-female) and, at 3 hours, 350 to 490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<IndicationAndUsage>Sevoflurane is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sevoflurane should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane should be used.</IndicationAndUsage>
<Description>Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is：. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2absorbents (e.g., Baralyme ®and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2and Compound A production is illustrated in the following in vitro simulation where CO 2was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO 2absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC 50reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<NDC11Code>42858-0601-03</NDC11Code>
<ProductNDC>42858-601</ProductNDC>
<ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
<ProprietaryName>Buprenorphine And Naloxone</ProprietaryName>
<NonProprietaryName>Buprenorphine And Naloxone</NonProprietaryName>
<DosageFormName>TABLET</DosageFormName>
<RouteName>SUBLINGUAL</RouteName>
<StartMarketingDate>20200413</StartMarketingDate>
<MarketingCategoryName>ANDA</MarketingCategoryName>
<ApplicationNumber>ANDA205601</ApplicationNumber>
<LabelerName>Rhodes Pharmaceuticals LLC</LabelerName>
<SubstanceName>BUPRENORPHINE HYDROCHLORIDE; NALOXONE HYDROCHLORIDE DIHYDRATE</SubstanceName>
<StrengthNumber>2; .5</StrengthNumber>
<StrengthUnit>mg/1; mg/1</StrengthUnit>
<Pharm_Classes>Opioid Antagonist [EPC], Opioid Antagonists [MoA], Partial Opioid Agonist [EPC], Partial Opioid Agonists [MoA]</Pharm_Classes>
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<IndicationAndUsage>Buprenorphine and naloxone sublingual tablets are indicated for maintenance treatment of opioid dependence. Buprenorphine and naloxone sublingual tablets should be used as part of a complete treatment plan that includes counseling and psychosocial support.</IndicationAndUsage>
<Description>Buprenorphine and naloxone sublingual tablet, USP is an orange, round flat-faced beveled edge tablet, debossed with an alphanumeric word identifying the product strength. It contains buprenorphine HCl, a partial agonist at the mu-opioid receptor, and naloxone HCl dihydrate, an opioid receptor antagonist, at a ratio of 4:1 (ratio of free bases). It is intended for sublingual administration and is available in two dosage strengths, 2 mg buprenorphine with 0.5 mg naloxone and 8 mg buprenorphine with 2 mg naloxone. Each sublingual tablet also contains the following inactive ingredients: lactose monohydrate, povidone K29/32, acesulfame potassium, FD&C Yellow No.6 aluminum lake, natural lemon flavor 717297 (corn syrup solids, maltodextrin, modified starch, natural flavorings, tocopherol), citric acid anhydrous, trisodium citrate dihydrate, corn starch, mannitol, and magnesium stearate. Chemically, buprenorphine HCl is (2S)-2-[17-Cyclopropylmethyl-4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3-dimethylbutan-2-ol hydrochloride. It has the following chemical structure. Buprenorphine HCl has the molecular formula C29H41NO4 ∙ HCl and the molecular weight is 504.10. It is a white or off-white crystalline powder, sparingly soluble in water, freely soluble in methanol, soluble in alcohol, and practically insoluble in cyclohexane. Chemically, naloxone HCl dihydrate is 17-Allyl-4, 5 α -epoxy-3, 14-dihydroxymorphinan-6-one hydrochloride dihydrate. It has the following chemical structure. Naloxone hydrochloride dihydrate has the molecular formula C19H21NO4 ∙ HCl ∙ 2H20 and the molecular weight is 399.87. It is a white to slightly off-white powder and is freely soluble in water, soluble in alcohol, and practically insoluble in toluene and ether.</Description>
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<NDC11Code>58181-5200-01</NDC11Code>
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<ProprietaryName>Sevoflurane</ProprietaryName>
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<SubstanceName>SEVOFLURANE</SubstanceName>
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<IndicationAndUsage>Sevoflurane is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sevoflurane should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane should be used.</IndicationAndUsage>
<Description>Sevoflurane USP, volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is. Sevoflurane, Physical Constants are. Distribution Partition Coefficients at 37°C. Mean Component/Gas Partition Coefficients at 25°C for Polymers Used Commonly in Medical Applications. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2absorbents (e.g., Baralyme ®and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2absorbents (especially with potassium hydroxide containing absorbents e.g. Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO 2absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2-bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Figure 1. Fresh Gas Flow Rate versus Compound A Levels in a Circle Absorber System. Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2and Compound A production is illustrated in the following in vitrosimulation where CO 2was added to a circle absorber system. Figure 2. Carbon Dioxide Flow versus Compound A and Maximum Temperature. Compound A concentration in a circle absorber system increases as a function of increasing CO 2absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Figure 2a. ppm·hr versus MAC·hr at Flow Rate of 1 L/min. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC 50reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme ®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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<ProprietaryName>Sojourn</ProprietaryName>
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<DosageFormName>LIQUID</DosageFormName>
<RouteName>RESPIRATORY (INHALATION)</RouteName>
<StartMarketingDate>20100413</StartMarketingDate>
<MarketingCategoryName>ANDA</MarketingCategoryName>
<ApplicationNumber>ANDA077867</ApplicationNumber>
<LabelerName>Piramal Critical Care Inc</LabelerName>
<SubstanceName>SEVOFLURANE</SubstanceName>
<StrengthNumber>1</StrengthNumber>
<StrengthUnit>mL/mL</StrengthUnit>
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<IndicationAndUsage>Sojourn ® (sevoflurane, USP) is indicated for induction and maintenance of general anesthesia in adult and pediatric patients for inpatient and outpatient surgery. Sojourn ® (sevoflurane, USP) should be administered only by persons trained in the administration of general anesthesia. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Since level of anesthesia may be altered rapidly, only vaporizers producing predictable concentrations of sevoflurane, USP should be used.</IndicationAndUsage>
<Description>Sojourn ® (sevoflurane, USP), volatile liquid for inhalation, a nonflammable and nonexplosive liquid administered by vaporization, is a halogenated general inhalation anesthetic drug. Sevoflurane is fluoromethyl 2,2,2,-trifluoro-1-(trifluoromethyl) ethyl ether and its structural formula is:. Sevoflurane, Physical Constants are. Distribution Partition Coefficients at 37°C. Mean Component/Gas Partition Coefficients at 25°C for Polymers Used Commonly in Medical Applications. Sevoflurane is nonflammable and nonexplosive as defined by the requirements of International Electrotechnical Commission 601-2-13. Sevoflurane is a clear, colorless, liquid containing no additives. Sevoflurane is not corrosive to stainless steel, brass, aluminum, nickel-plated brass, chrome-plated brass or copper beryllium. Sevoflurane is nonpungent. It is miscible with ethanol, ether, chloroform, and benzene, and it is slightly soluble in water. Sevoflurane is stable when stored under normal room lighting conditions according to instructions. No discernible degradation of sevoflurane occurs in the presence of strong acids or heat. When in contact with alkaline CO 2 absorbents (e.g., Baralyme ® and to a lesser extent soda lime) within the anesthesia machine, sevoflurane can undergo degradation under certain conditions. Degradation of sevoflurane is minimal, and degradants are either undetectable or present in non-toxic amounts when used as directed with fresh absorbents. Sevoflurane degradation and subsequent degradant formation are enhanced by increasing absorbent temperature increased sevoflurane concentration, decreased fresh gas flow and desiccated CO 2 absorbents (especially with potassium hydroxide containing absorbents e.g., Baralyme). Sevoflurane alkaline degradation occurs by two pathways. The first results from the loss of hydrogen fluoride with the formation of pentafluoroisopropenyl fluoromethyl ether, (PIFE, C 4H 2F 6O), also known as Compound A, and trace amounts of pentafluoromethoxy isopropyl fluoromethyl ether, (PMFE, C 5H 6F 6O), also known as Compound B. The second pathway for degradation of sevoflurane, which occurs primarily in the presence of desiccated CO 2 absorbents, is discussed later. In the first pathway, the defluorination pathway, the production of degradants in the anesthesia circuit results from the extraction of the acidic proton in the presence of a strong base (KOH and/or NaOH) forming an alkene (Compound A) from sevoflurane similar to formation of 2- bromo-2-chloro-1,1-difluoro ethylene (BCDFE) from halothane. Laboratory simulations have shown that the concentration of these degradants is inversely correlated with the fresh gas flow rate (See Figure 1). Since the reaction of carbon dioxide with absorbents is exothermic, the temperature increase will be determined by quantities of CO 2 absorbed, which in turn will depend on fresh gas flow in the anesthesia circle system, metabolic status of the patient, and ventilation. The relationship of temperature produced by varying levels of CO 2 and Compound A production is illustrated in the following in vitro simulation where CO 2 was added to a circle absorber system. Compound A concentration in a circle absorber system increases as a function of increasing CO 2 absorbent temperature and composition (Baralyme producing higher levels than soda lime), increased body temperature, and increased minute ventilation, and decreasing fresh gas flow rates. It has been reported that the concentration of Compound A increases significantly with prolonged dehydration of Baralyme. Compound A exposure in patients also has been shown to rise with increased sevoflurane concentrations and duration of anesthesia. In a clinical study in which sevoflurane was administered to patients under low flow conditions for ≥ 2 hours at flow rates of 1 Liter/minute, Compound A levels were measured in an effort to determine the relationship between MAC hours and Compound A levels produced. The relationship between Compound A levels and sevoflurane exposure are shown in Figure 2a. Compound A has been shown to be nephrotoxic in rats after exposures that have varied in duration from one to three hours. No histopathologic change was seen at a concentration of up to 270 ppm for one hour. Sporadic single cell necrosis of proximal tubule cells has been reported at a concentration of 114 ppm after a 3-hour exposure to Compound A in rats. The LC50 reported at 1 hour is 1050-1090 ppm (male-female) and, at 3 hours, 350-490 ppm (male-female). An experiment was performed comparing sevoflurane plus 75 or 100 ppm Compound A with an active control to evaluate the potential nephrotoxicity of Compound A in non-human primates. A single 8-hour exposure of Sevoflurane in the presence of Compound A produced single-cell renal tubular degeneration and single-cell necrosis in cynomolgus monkeys. These changes are consistent with the increased urinary protein, glucose level and enzymic activity noted on days one and three on the clinical pathology evaluation. This nephrotoxicity produced by Compound A is dose and duration of exposure dependent. At a fresh gas flow rate of 1 L/min, mean maximum concentrations of Compound A in the anesthesia circuit in clinical settings are approximately 20 ppm (0.002%) with soda lime and 30 ppm (0.003%) with Baralyme in adult patients; mean maximum concentrations in pediatric patients with soda lime are about half those found in adults. The highest concentration observed in a single patient with Baralyme was 61 ppm (0.0061%) and 32 ppm (0.0032%) with soda lime. The levels of Compound A at which toxicity occurs in humans is not known. The second pathway for degradation of sevoflurane occurs primarily in the presence of desiccated CO 2 absorbents and leads to the dissociation of sevoflurane into hexafluoroisopropanol (HFIP) and formaldehyde. HFIP is inactive, non-genotoxic, rapidly glucuronidated and cleared by the liver. Formaldehyde is present during normal metabolic processes. Upon exposure to a highly desiccated absorbent, formaldehyde can further degrade into methanol and formate. Formate can contribute to the formation of carbon monoxide in the presence of high temperature that can be associated with desiccated Baralyme ®. Methanol can react with Compound A to form the methoxy addition product Compound B. Compound B can undergo further HF elimination to form Compounds C, D, and E. Sevoflurane degradants were observed in the respiratory circuit of an experimental anesthesia machine using desiccated CO 2 absorbents and maximum sevoflurane concentrations (8%) for extended periods of time (> 2 hours). Concentrations of formaldehyde observed with desiccated soda lime in this experimental anesthesia respiratory circuit were consistent with levels that could potentially result in respiratory irritation. Although KOH containing CO 2 absorbents are no longer commercially available, in the laboratory experiments, exposure of sevoflurane to the desiccated KOH containing CO 2 absorbent, Baralyme, resulted in the detection of substantially greater degradant levels.</Description>
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