RESTful Lookup — Test-Drive (2007 – 2026)

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<NDCList>
  <NDC>
    <NDCCode>49502-346-24</NDCCode>
    <PackageDescription>224 PACKAGE in 1 BOX, UNIT-DOSE (49502-346-24)  &gt; 56 BLISTER PACK in 1 PACKAGE &gt; 4 CAPSULE in 1 BLISTER PACK</PackageDescription>
    <NDC11Code>49502-0346-24</NDC11Code>
    <ProductNDC>49502-346</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Tobi Podhaler</ProprietaryName>
    <NonProprietaryName>Tobramycin</NonProprietaryName>
    <DosageFormName>CAPSULE</DosageFormName>
    <RouteName>ORAL; RESPIRATORY (INHALATION)</RouteName>
    <StartMarketingDate>20200924</StartMarketingDate>
    <EndMarketingDate>20230531</EndMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA201688</ApplicationNumber>
    <LabelerName>Mylan Specialty L.P.</LabelerName>
    <SubstanceName>TOBRAMYCIN</SubstanceName>
    <StrengthNumber>28</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Aminoglycoside Antibacterial [EPC], Aminoglycosides [CS]</Pharm_Classes>
    <Status>Deprecated</Status>
    <LastUpdate>2023-06-01</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <StartMarketingDatePackage>20200924</StartMarketingDatePackage>
    <EndMarketingDatePackage>20230531</EndMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
  </NDC>
  <NDC>
    <NDCCode>49502-346-57</NDCCode>
    <PackageDescription>7 BLISTER PACK in 1 BOX, UNIT-DOSE (49502-346-57)  &gt; 8 CAPSULE in 1 BLISTER PACK</PackageDescription>
    <NDC11Code>49502-0346-57</NDC11Code>
    <ProductNDC>49502-346</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Tobi Podhaler</ProprietaryName>
    <NonProprietaryName>Tobramycin</NonProprietaryName>
    <DosageFormName>CAPSULE</DosageFormName>
    <RouteName>ORAL; RESPIRATORY (INHALATION)</RouteName>
    <StartMarketingDate>20200924</StartMarketingDate>
    <EndMarketingDate>20301231</EndMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA201688</ApplicationNumber>
    <LabelerName>Mylan Specialty L.P.</LabelerName>
    <SubstanceName>TOBRAMYCIN</SubstanceName>
    <StrengthNumber>28</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Aminoglycoside Antibacterial [EPC], Aminoglycosides [CS]</Pharm_Classes>
    <Status>Deprecated</Status>
    <LastUpdate>2022-10-07</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <StartMarketingDatePackage>20210723</StartMarketingDatePackage>
    <EndMarketingDatePackage>20261231</EndMarketingDatePackage>
    <SamplePackage>Y</SamplePackage>
  </NDC>
  <NDC>
    <NDCCode>37808-346-08</NDCCode>
    <PackageDescription>1 BOTTLE, PLASTIC in 1 CARTON (37808-346-08)  / 24 TABLET in 1 BOTTLE, PLASTIC</PackageDescription>
    <NDC11Code>37808-0346-08</NDC11Code>
    <ProductNDC>37808-346</ProductNDC>
    <ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
    <ProprietaryName>Stomach Relief</ProprietaryName>
    <NonProprietaryName>Bismuth Subsalicylate</NonProprietaryName>
    <DosageFormName>TABLET</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20110506</StartMarketingDate>
    <MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
    <ApplicationNumber>M008</ApplicationNumber>
    <LabelerName>H E B</LabelerName>
    <SubstanceName>BISMUTH SUBSALICYLATE</SubstanceName>
    <StrengthNumber>262</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Status>Active</Status>
    <LastUpdate>2026-08-25</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20110506</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>relieves: 1 travelers' diarrhea, 2 diarrhea, 3 upset stomach due to overindulgence in food and drink, including:heartburnindigestionnauseagasbelchingfullness.</IndicationAndUsage>
  </NDC>
  <NDC>
    <NDCCode>69842-346-12</NDCCode>
    <PackageDescription>1 BOTTLE in 1 CARTON (69842-346-12)  / 24 TABLET, FILM COATED in 1 BOTTLE</PackageDescription>
    <NDC11Code>69842-0346-12</NDC11Code>
    <ProductNDC>69842-346</ProductNDC>
    <ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
    <ProprietaryName>Bismuth Subsalicylate</ProprietaryName>
    <NonProprietaryName>Bismuth Subsalicylate</NonProprietaryName>
    <DosageFormName>TABLET, FILM COATED</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20180706</StartMarketingDate>
    <MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
    <ApplicationNumber>M001</ApplicationNumber>
    <LabelerName>CVS Pharmacy, Inc.</LabelerName>
    <SubstanceName>BISMUTH SUBSALICYLATE</SubstanceName>
    <StrengthNumber>262</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Status>Active</Status>
    <LastUpdate>2026-02-25</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20180706</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>relieves. ■ travelers’ diarrhea. ■ diarrhea. ■ upset stomach due to overindulgence in food and drink, including: ■ heartburn ■ indigestion ■ nausea ■ gas ■ belching ■ fullness.</IndicationAndUsage>
  </NDC>
  <NDC>
    <NDCCode>78536-003-02</NDCCode>
    <PackageDescription>24 BAG in 1 CARTON (78536-003-02)  &gt; 64 NOT APPLICABLE in 1 BAG &gt; 346 mL in 1 NOT APPLICABLE</PackageDescription>
    <NDC11Code>78536-0003-02</NDC11Code>
    <ProductNDC>78536-003</ProductNDC>
    <ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
    <ProprietaryName>Alcohol Wipes</ProprietaryName>
    <NonProprietaryName>Alcohol</NonProprietaryName>
    <DosageFormName>CLOTH</DosageFormName>
    <RouteName>TOPICAL</RouteName>
    <StartMarketingDate>20200707</StartMarketingDate>
    <MarketingCategoryName>OTC MONOGRAPH NOT FINAL</MarketingCategoryName>
    <ApplicationNumber>part333A</ApplicationNumber>
    <LabelerName>Zhejiang Yiwu Mingou Biotechnology Co., Ltd.</LabelerName>
    <SubstanceName>ALCOHOL</SubstanceName>
    <StrengthNumber>75</StrengthNumber>
    <StrengthUnit>mL/100mL</StrengthUnit>
    <Status>Deprecated</Status>
    <LastUpdate>2022-01-04</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20211231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20200707</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>Use: Health care personnel hand rub to help reduce bacteria that potentially can cause disease.</IndicationAndUsage>
  </NDC>
  <NDC>
    <NDCCode>84126-346-24</NDCCode>
    <PackageDescription>2 BOTTLE, PLASTIC in 1 CARTON (84126-346-24)  / 354 mL in 1 BOTTLE, PLASTIC</PackageDescription>
    <NDC11Code>84126-0346-24</NDC11Code>
    <ProductNDC>84126-346</ProductNDC>
    <ProductTypeName>HUMAN OTC DRUG</ProductTypeName>
    <ProprietaryName>Vicks Nyquil Allergy</ProprietaryName>
    <NonProprietaryName>Doxylamine Succinate</NonProprietaryName>
    <DosageFormName>LIQUID</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20250701</StartMarketingDate>
    <MarketingCategoryName>OTC MONOGRAPH DRUG</MarketingCategoryName>
    <ApplicationNumber>M012</ApplicationNumber>
    <LabelerName>The Procter &amp; Gamble Manufacturing Company</LabelerName>
    <SubstanceName>DOXYLAMINE SUCCINATE</SubstanceName>
    <StrengthNumber>6.25</StrengthNumber>
    <StrengthUnit>mg/15mL</StrengthUnit>
    <Pharm_Classes>Antihistamine [EPC], Histamine Receptor Antagonists [MoA]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2026-10-07</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20250701</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: 1 runny nose, 2 sneezing, 3 itchy, watery eyes, 4 itching of the nose or throat.</IndicationAndUsage>
  </NDC>
  <NDC>
    <NDCCode>49502-401-24</NDCCode>
    <PackageDescription>4 PACKAGE in 1 BOX, UNIT-DOSE (49502-401-24)  / 7 BLISTER PACK in 1 PACKAGE / 8 CAPSULE in 1 BLISTER PACK</PackageDescription>
    <NDC11Code>49502-0401-24</NDC11Code>
    <ProductNDC>49502-401</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Tobi Podhaler</ProprietaryName>
    <NonProprietaryName>Tobramycin</NonProprietaryName>
    <DosageFormName>CAPSULE</DosageFormName>
    <RouteName>ORAL; RESPIRATORY (INHALATION)</RouteName>
    <StartMarketingDate>20210901</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA201688</ApplicationNumber>
    <LabelerName>Viatris Specialty LLC</LabelerName>
    <SubstanceName>TOBRAMYCIN</SubstanceName>
    <StrengthNumber>28</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Aminoglycoside Antibacterial [EPC], Aminoglycosides [CS]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2026-06-19</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20210901</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>TOBI Podhaler is indicated for the management of cystic fibrosis patients with Pseudomonas aeruginosa. Safety and efficacy have not been demonstrated in patients under the age of 6 years, patients with forced expiratory volume in 1 second (FEV1) &lt;25% or &gt;80% predicted, or patients colonized with Burkholderia cepacia [see Clinical Studies (14)].</IndicationAndUsage>
    <Description>TOBI Podhaler consists of a dry powder formulation of tobramycin for oral inhalation only with the Podhaler device. The inhalation powder is filled into clear, colorless hypromellose capsules. Each clear, colorless hypromellose capsule contains a spray dried powder of 28 mg of tobramycin active ingredient with 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC), calcium chloride, and sulfuric acid (for pH adjustment). The active component of TOBI Podhaler is tobramycin. Tobramycin is an aminoglycoside antibiotic. Its chemical name is O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxy-L-streptamine; its structural formula is. Tobramycin has a molecular weight of 467.52, and its empirical formula is C18H37N5O9. Tobramycin is a white to almost white powder; visually free from any foreign contaminants. Tobramycin is freely soluble in water, very slightly soluble in ethanol, and practically insoluble in chloroform and ether. The Podhaler device is a plastic device used to inhale the dry powder contained in the TOBI Podhaler capsule. Under standardized in vitro testing at a fixed flow rate of 60 L/min and volume of 2 L for 2 seconds, the Podhaler device has a target delivered dose of 102 mg of tobramycin from the mouthpiece (4 capsules per dose). Peak inspiratory flow rate and inhaled volumes were explored in 96 cystic fibrosis patients aged 6 years and older. Older patients with significant disease progression and associated decreases in forced expiratory volume (FEV1) and younger patients with inhaled volumes &lt;1 L were able to generate inspiratory flow rates and volumes required to receive their medication when following the instructions for use. However, no pediatric patients aged 6 to 10 years with FEV1 less than 40% predicted were evaluated.</Description>
  </NDC>
  <NDC>
    <NDCCode>49502-900-05</NDCCode>
    <PackageDescription>5 POUCH in 1 CARTON (49502-900-05)  / 1 PATCH in 1 POUCH (49502-900-11)  / 24 h in 1 PATCH</PackageDescription>
    <NDC11Code>49502-0900-05</NDC11Code>
    <ProductNDC>49502-900</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Emsam</ProprietaryName>
    <NonProprietaryName>Selegiline</NonProprietaryName>
    <DosageFormName>PATCH</DosageFormName>
    <RouteName>TRANSDERMAL</RouteName>
    <StartMarketingDate>20060227</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA021336</ApplicationNumber>
    <LabelerName>Viatris Specialty LLC</LabelerName>
    <SubstanceName>SELEGILINE</SubstanceName>
    <StrengthNumber>6</StrengthNumber>
    <StrengthUnit>mg/24h</StrengthUnit>
    <Pharm_Classes>Monoamine Oxidase Inhibitor [EPC], Monoamine Oxidase Inhibitors [MoA], Monoamine Oxidase Type B Inhibitor [EPC], Monoamine Oxidase-B Inhibitors [MoA]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2025-02-11</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20060227</StartMarketingDatePackage>
    <SamplePackage>Y</SamplePackage>
    <IndicationAndUsage>EMSAM (selegiline transdermal system) is a monoamine oxidase inhibitor (MAOI) indicated for the treatment of adults with major depressive disorder (MDD) [see Clinical Studies (14)].</IndicationAndUsage>
    <Description>EMSAM® contains selegiline, a MAOI antidepressant. When applied to intact skin, EMSAM is designed to transdermally deliver selegiline over a 24-hour period. Selegiline base is a colorless to yellow liquid, chemically described as (-)-(N)-Methyl-N-[(1R)-1-methyl-2-phenylethyl]prop-2-yn-1-amine. It has a molecular formula of C13H17N and a molecular weight of 187.30. The structural formula is. EMSAM transdermal systems are available in three strengths that deliver approximately 6 mg, 9 mg, or 12 mg of selegiline over 24 hours. Each corresponding system has an active surface area of 20 cm2, 30 cm2, or 40 cm2 containing 20, 30, or 40 mg of selegiline, respectively. The composition of the systems per unit area is identical. EMSAM is a matrix-type transdermal system composed of three layers as illustrated in Figure 1 below. Layer 1 is the Backing Film that provides occlusivity, physical integrity and protects the adhesive/drug layer. Layer 2 is the Adhesive/Drug Layer. Layer 3 consists of side-by-side release liners that are peeled off and discarded by the patient prior to applying EMSAM. The inactive ingredients are acrylic adhesive, ethylene vinyl acetate/polyethylene, polyester, polyurethane, and silicone coated polyester.</Description>
  </NDC>
  <NDC>
    <NDCCode>49502-900-30</NDCCode>
    <PackageDescription>30 POUCH in 1 CARTON (49502-900-30)  / 1 PATCH in 1 POUCH (49502-900-01)  / 24 h in 1 PATCH</PackageDescription>
    <NDC11Code>49502-0900-30</NDC11Code>
    <ProductNDC>49502-900</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Emsam</ProprietaryName>
    <NonProprietaryName>Selegiline</NonProprietaryName>
    <DosageFormName>PATCH</DosageFormName>
    <RouteName>TRANSDERMAL</RouteName>
    <StartMarketingDate>20060227</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA021336</ApplicationNumber>
    <LabelerName>Viatris Specialty LLC</LabelerName>
    <SubstanceName>SELEGILINE</SubstanceName>
    <StrengthNumber>6</StrengthNumber>
    <StrengthUnit>mg/24h</StrengthUnit>
    <Pharm_Classes>Monoamine Oxidase Inhibitor [EPC], Monoamine Oxidase Inhibitors [MoA], Monoamine Oxidase Type B Inhibitor [EPC], Monoamine Oxidase-B Inhibitors [MoA]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2025-02-11</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20060227</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>EMSAM (selegiline transdermal system) is a monoamine oxidase inhibitor (MAOI) indicated for the treatment of adults with major depressive disorder (MDD) [see Clinical Studies (14)].</IndicationAndUsage>
    <Description>EMSAM® contains selegiline, a MAOI antidepressant. When applied to intact skin, EMSAM is designed to transdermally deliver selegiline over a 24-hour period. Selegiline base is a colorless to yellow liquid, chemically described as (-)-(N)-Methyl-N-[(1R)-1-methyl-2-phenylethyl]prop-2-yn-1-amine. It has a molecular formula of C13H17N and a molecular weight of 187.30. The structural formula is. EMSAM transdermal systems are available in three strengths that deliver approximately 6 mg, 9 mg, or 12 mg of selegiline over 24 hours. Each corresponding system has an active surface area of 20 cm2, 30 cm2, or 40 cm2 containing 20, 30, or 40 mg of selegiline, respectively. The composition of the systems per unit area is identical. EMSAM is a matrix-type transdermal system composed of three layers as illustrated in Figure 1 below. Layer 1 is the Backing Film that provides occlusivity, physical integrity and protects the adhesive/drug layer. Layer 2 is the Adhesive/Drug Layer. Layer 3 consists of side-by-side release liners that are peeled off and discarded by the patient prior to applying EMSAM. The inactive ingredients are acrylic adhesive, ethylene vinyl acetate/polyethylene, polyester, polyurethane, and silicone coated polyester.</Description>
  </NDC>
  <NDC>
    <NDCCode>49502-901-30</NDCCode>
    <PackageDescription>30 POUCH in 1 CARTON (49502-901-30)  / 1 PATCH in 1 POUCH (49502-901-01)  / 24 h in 1 PATCH</PackageDescription>
    <NDC11Code>49502-0901-30</NDC11Code>
    <ProductNDC>49502-901</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Emsam</ProprietaryName>
    <NonProprietaryName>Selegiline</NonProprietaryName>
    <DosageFormName>PATCH</DosageFormName>
    <RouteName>TRANSDERMAL</RouteName>
    <StartMarketingDate>20060227</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA021336</ApplicationNumber>
    <LabelerName>Viatris Specialty LLC</LabelerName>
    <SubstanceName>SELEGILINE</SubstanceName>
    <StrengthNumber>9</StrengthNumber>
    <StrengthUnit>mg/24h</StrengthUnit>
    <Pharm_Classes>Monoamine Oxidase Inhibitor [EPC], Monoamine Oxidase Inhibitors [MoA], Monoamine Oxidase Type B Inhibitor [EPC], Monoamine Oxidase-B Inhibitors [MoA]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2025-02-11</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20060227</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>EMSAM (selegiline transdermal system) is a monoamine oxidase inhibitor (MAOI) indicated for the treatment of adults with major depressive disorder (MDD) [see Clinical Studies (14)].</IndicationAndUsage>
    <Description>EMSAM® contains selegiline, a MAOI antidepressant. When applied to intact skin, EMSAM is designed to transdermally deliver selegiline over a 24-hour period. Selegiline base is a colorless to yellow liquid, chemically described as (-)-(N)-Methyl-N-[(1R)-1-methyl-2-phenylethyl]prop-2-yn-1-amine. It has a molecular formula of C13H17N and a molecular weight of 187.30. The structural formula is. EMSAM transdermal systems are available in three strengths that deliver approximately 6 mg, 9 mg, or 12 mg of selegiline over 24 hours. Each corresponding system has an active surface area of 20 cm2, 30 cm2, or 40 cm2 containing 20, 30, or 40 mg of selegiline, respectively. The composition of the systems per unit area is identical. EMSAM is a matrix-type transdermal system composed of three layers as illustrated in Figure 1 below. Layer 1 is the Backing Film that provides occlusivity, physical integrity and protects the adhesive/drug layer. Layer 2 is the Adhesive/Drug Layer. Layer 3 consists of side-by-side release liners that are peeled off and discarded by the patient prior to applying EMSAM. The inactive ingredients are acrylic adhesive, ethylene vinyl acetate/polyethylene, polyester, polyurethane, and silicone coated polyester.</Description>
  </NDC>
  <NDC>
    <NDCCode>49502-902-30</NDCCode>
    <PackageDescription>30 POUCH in 1 CARTON (49502-902-30)  / 1 PATCH in 1 POUCH (49502-902-01)  / 24 h in 1 PATCH</PackageDescription>
    <NDC11Code>49502-0902-30</NDC11Code>
    <ProductNDC>49502-902</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Emsam</ProprietaryName>
    <NonProprietaryName>Selegiline</NonProprietaryName>
    <DosageFormName>PATCH</DosageFormName>
    <RouteName>TRANSDERMAL</RouteName>
    <StartMarketingDate>20060227</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA021336</ApplicationNumber>
    <LabelerName>Viatris Specialty LLC</LabelerName>
    <SubstanceName>SELEGILINE</SubstanceName>
    <StrengthNumber>12</StrengthNumber>
    <StrengthUnit>mg/24h</StrengthUnit>
    <Pharm_Classes>Monoamine Oxidase Inhibitor [EPC], Monoamine Oxidase Inhibitors [MoA], Monoamine Oxidase Type B Inhibitor [EPC], Monoamine Oxidase-B Inhibitors [MoA]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2025-02-11</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20060227</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>EMSAM (selegiline transdermal system) is a monoamine oxidase inhibitor (MAOI) indicated for the treatment of adults with major depressive disorder (MDD) [see Clinical Studies (14)].</IndicationAndUsage>
    <Description>EMSAM® contains selegiline, a MAOI antidepressant. When applied to intact skin, EMSAM is designed to transdermally deliver selegiline over a 24-hour period. Selegiline base is a colorless to yellow liquid, chemically described as (-)-(N)-Methyl-N-[(1R)-1-methyl-2-phenylethyl]prop-2-yn-1-amine. It has a molecular formula of C13H17N and a molecular weight of 187.30. The structural formula is. EMSAM transdermal systems are available in three strengths that deliver approximately 6 mg, 9 mg, or 12 mg of selegiline over 24 hours. Each corresponding system has an active surface area of 20 cm2, 30 cm2, or 40 cm2 containing 20, 30, or 40 mg of selegiline, respectively. The composition of the systems per unit area is identical. EMSAM is a matrix-type transdermal system composed of three layers as illustrated in Figure 1 below. Layer 1 is the Backing Film that provides occlusivity, physical integrity and protects the adhesive/drug layer. Layer 2 is the Adhesive/Drug Layer. Layer 3 consists of side-by-side release liners that are peeled off and discarded by the patient prior to applying EMSAM. The inactive ingredients are acrylic adhesive, ethylene vinyl acetate/polyethylene, polyester, polyurethane, and silicone coated polyester.</Description>
  </NDC>
  <NDC>
    <NDCCode>0069-2650-41</NDCCode>
    <PackageDescription>100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BLISTER PACK (0069-2650-41) </PackageDescription>
    <NDC11Code>00069-2650-41</NDC11Code>
    <ProductNDC>0069-2650</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Procardia</ProprietaryName>
    <ProprietaryNameSuffix>Xl</ProprietaryNameSuffix>
    <NonProprietaryName>Nifedipine</NonProprietaryName>
    <DosageFormName>TABLET, FILM COATED, EXTENDED RELEASE</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>19890906</StartMarketingDate>
    <MarketingCategoryName>NDA</MarketingCategoryName>
    <ApplicationNumber>NDA019684</ApplicationNumber>
    <LabelerName>Pfizer Laboratories Div Pfizer Inc</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>30</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
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    <IndicationAndUsage>PROCARDIA XL is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. PROCARDIA XL may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine is a yellow crystalline substance, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.3. PROCARDIA XL is a registered trademark for Nifedipine GITS. Nifedipine GITS (Gastrointestinal Therapeutic System) Tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30 or 60 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose.Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Inert ingredients in the formulations are: cellulose acetate; hydroxypropyl cellulose; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; red ferric oxide; sodium chloride; titanium dioxide.</Description>
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    <IndicationAndUsage>PROCARDIA XL is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. PROCARDIA XL may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine is a yellow crystalline substance, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.3. PROCARDIA XL is a registered trademark for Nifedipine GITS. Nifedipine GITS (Gastrointestinal Therapeutic System) Tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30 or 60 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose.Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Inert ingredients in the formulations are: cellulose acetate; hydroxypropyl cellulose; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; red ferric oxide; sodium chloride; titanium dioxide.</Description>
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    <IndicationAndUsage>PROCARDIA XL is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. PROCARDIA XL may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine is a yellow crystalline substance, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.3. PROCARDIA XL is a registered trademark for Nifedipine GITS. Nifedipine GITS (Gastrointestinal Therapeutic System) Tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30 or 60 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose.Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Inert ingredients in the formulations are: cellulose acetate; hydroxypropyl cellulose; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; red ferric oxide; sodium chloride; titanium dioxide.</Description>
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    <IndicationAndUsage>PROCARDIA XL is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. PROCARDIA XL may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine is a yellow crystalline substance, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.3. PROCARDIA XL is a registered trademark for Nifedipine GITS. Nifedipine GITS (Gastrointestinal Therapeutic System) Tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30 or 60 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose.Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Inert ingredients in the formulations are: cellulose acetate; hydroxypropyl cellulose; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; red ferric oxide; sodium chloride; titanium dioxide.</Description>
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    <ApplicationNumber>M015</ApplicationNumber>
    <LabelerName>Neilmed Pharmaceuticals Inc.</LabelerName>
    <SubstanceName>PHENYLEPHRINE HYDROCHLORIDE; WITCH HAZEL</SubstanceName>
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    <IndicationAndUsage>helps relieve the local itching and discomfort associated with hemorrhoids. temporarily shrinks hemorrhoidal tissue. provides temporary relief from irritation and burning. temporarily provides a cooling coating for relief of anorectal discomforts.</IndicationAndUsage>
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    <Pharm_Classes>Calcium Channel Antagonists [MoA],Dihydropyridine Calcium Channel Blocker [EPC],Dihydropyridines [Chemical/Ingredient]</Pharm_Classes>
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    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is dimethyl 1,4-dihydro-2,6-dimethyl-4-(o-nitrophenyl)-3,5-pyridinedicarboxylate, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.33. Nifedipine extended-release tablets, USP are formulated as a once-a-day controlled-release tablet for oral administration designed to deliver 30 mg, 60 mg or 90 mg of nifedipine. Inert ingredients in the formulations are: black iron oxide, cellulose acetate, ferric oxide, hydroxypropyl cellulose, hypromellose, magnesium stearate, polyethylene glycol, polyethylene oxide, polyvinyl alcohol, propylene glycol, red iron oxide, sodium chloride, talc, titanium dioxide and yellow iron oxide. Meets USP Dissolution Test 8. Nifedipine extended-release tablets are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depend for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <LastUpdate>2018-02-07</LastUpdate>
    <ProductNdcExcludeFlag>E</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20171231</ListingRecordCertifiedThrough>
    <IndicationAndUsage>Nifedipine extended-release tablets are indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta-blockers. Nifedipine extended-release tablets are indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta-blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to 8 weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs. (See WARNINGS.). Nifedipine extended-release tablets are indicated for the treatment of hypertension. They may be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is dimethyl 1,4-dihydro-2,6-dimethyl-4-(o-nitrophenyl)-3,5-pyridinedicarboxylate, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.33. Nifedipine extended-release tablets, USP are formulated as a once-a-day controlled-release tablet for oral administration designed to deliver 30 mg, 60 mg or 90 mg of nifedipine. Inert ingredients in the formulations are: black iron oxide, cellulose acetate, ferric oxide, hydroxypropyl cellulose, hypromellose, magnesium stearate, polyethylene glycol, polyethylene oxide, polyvinyl alcohol, propylene glycol, red iron oxide, sodium chloride, talc, titanium dioxide and yellow iron oxide. Meets USP Dissolution Test 8. Nifedipine extended-release tablets are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depend for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
  </NDC>
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    <MarketingCategoryName>ANDA</MarketingCategoryName>
    <ApplicationNumber>ANDA090649</ApplicationNumber>
    <LabelerName>STAT RX USA LLC</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>60</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Calcium Channel Antagonists [MoA],Dihydropyridine Calcium Channel Blocker [EPC],Dihydropyridines [Chemical/Ingredient]</Pharm_Classes>
    <Status>Deprecated</Status>
    <LastUpdate>2018-02-07</LastUpdate>
    <ProductNdcExcludeFlag>E</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20171231</ListingRecordCertifiedThrough>
    <IndicationAndUsage>Nifedipine extended-release tablets are indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta-blockers. Nifedipine extended-release tablets are indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta-blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to 8 weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs. (See WARNINGS.). Nifedipine extended-release tablets are indicated for the treatment of hypertension. They may be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is dimethyl 1,4-dihydro-2,6-dimethyl-4-(o-nitrophenyl)-3,5-pyridinedicarboxylate, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.33. Nifedipine extended-release tablets, USP are formulated as a once-a-day controlled-release tablet for oral administration designed to deliver 30 mg, 60 mg or 90 mg of nifedipine. Inert ingredients in the formulations are: black iron oxide, cellulose acetate, ferric oxide, hydroxypropyl cellulose, hypromellose, magnesium stearate, polyethylene glycol, polyethylene oxide, polyvinyl alcohol, propylene glycol, red iron oxide, sodium chloride, talc, titanium dioxide and yellow iron oxide. Meets USP Dissolution Test 8. Nifedipine extended-release tablets are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depend for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
  </NDC>
  <NDC>
    <NDCCode>43386-440-24</NDCCode>
    <PackageDescription>100 CAPSULE in 1 BOTTLE (43386-440-24) </PackageDescription>
    <NDC11Code>43386-0440-24</NDC11Code>
    <ProductNDC>43386-440</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Nifedipine</ProprietaryName>
    <NonProprietaryName>Nifedipine</NonProprietaryName>
    <DosageFormName>CAPSULE</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20090811</StartMarketingDate>
    <MarketingCategoryName>ANDA</MarketingCategoryName>
    <ApplicationNumber>ANDA072781</ApplicationNumber>
    <LabelerName>Lupin Pharmaceuticals Inc</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>10</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Calcium Channel Antagonists [MoA],Dihydropyridine Calcium Channel Blocker [EPC],Dihydropyridines [CS]</Pharm_Classes>
    <Status>Deprecated</Status>
    <LastUpdate>2020-01-01</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20191231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20090901</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine may also be used where the clinical presentation suggests a possible vasospastic component but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina (Classical Effort-Associated Angina). Nifedipine is indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents.  In chronic stable angina (effort-associated angina) nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients are incomplete.  Controlled studies in small numbers of patients suggest concomitant use of nifedipine and betablocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely since severe hypotension can occur from the combined effects of the drugs. (See WARNINGS).</IndicationAndUsage>
    <Description>Nifedipine is an antianginal drug belonging to a class of pharmacological agents, the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C 17H 18N 2O 6, and has the structural formula:. Nifedipine is a yellow crystalline substance, practically insoluble in water but soluble in ethanol. It has a molecular weight of 346.3. Nifedipine capsules are formulated as soft gelatin capsules for oral administration each containing 10 mg nifedipine. Inert ingredients in the formulation are: FD&amp;C blue number 1 lake, gelatin, glycerin, isobutyl alcohol, menthol, polyethylene glycol, polyvinylpyrrolidone, red iron oxide, shellac, sorbitol, sorbitans, titanium dioxide and water.</Description>
  </NDC>
  <NDC>
    <NDCCode>46708-732-31</NDCCode>
    <PackageDescription>100 TABLET, EXTENDED RELEASE in 1 BOTTLE (46708-732-31) </PackageDescription>
    <NDC11Code>46708-0732-31</NDC11Code>
    <ProductNDC>46708-732</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Nifedipine</ProprietaryName>
    <NonProprietaryName>Nifedipine</NonProprietaryName>
    <DosageFormName>TABLET, EXTENDED RELEASE</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20221123</StartMarketingDate>
    <MarketingCategoryName>ANDA</MarketingCategoryName>
    <ApplicationNumber>ANDA216896</ApplicationNumber>
    <LabelerName>Alembic Pharmaceuticals Limited</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>30</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Calcium Channel Antagonists [MoA], Dihydropyridine Calcium Channel Blocker [EPC], Dihydropyridines [CS]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2022-12-07</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20221123</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tabletsareindicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina (Classical Effort-Associated Angina). Nifedipine extended-release tabletsareindicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets   are   indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tabletsmay be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
  </NDC>
  <NDC>
    <NDCCode>46708-732-63</NDCCode>
    <PackageDescription>300 TABLET, EXTENDED RELEASE in 1 BOTTLE (46708-732-63) </PackageDescription>
    <NDC11Code>46708-0732-63</NDC11Code>
    <ProductNDC>46708-732</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Nifedipine</ProprietaryName>
    <NonProprietaryName>Nifedipine</NonProprietaryName>
    <DosageFormName>TABLET, EXTENDED RELEASE</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20221123</StartMarketingDate>
    <MarketingCategoryName>ANDA</MarketingCategoryName>
    <ApplicationNumber>ANDA216896</ApplicationNumber>
    <LabelerName>Alembic Pharmaceuticals Limited</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>30</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Calcium Channel Antagonists [MoA], Dihydropyridine Calcium Channel Blocker [EPC], Dihydropyridines [CS]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2022-12-07</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20221123</StartMarketingDatePackage>
    <SamplePackage>N</SamplePackage>
    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tabletsareindicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina (Classical Effort-Associated Angina). Nifedipine extended-release tabletsareindicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets   are   indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tabletsmay be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
  </NDC>
  <NDC>
    <NDCCode>46708-732-91</NDCCode>
    <PackageDescription>1000 TABLET, EXTENDED RELEASE in 1 BOTTLE (46708-732-91) </PackageDescription>
    <NDC11Code>46708-0732-91</NDC11Code>
    <ProductNDC>46708-732</ProductNDC>
    <ProductTypeName>HUMAN PRESCRIPTION DRUG</ProductTypeName>
    <ProprietaryName>Nifedipine</ProprietaryName>
    <NonProprietaryName>Nifedipine</NonProprietaryName>
    <DosageFormName>TABLET, EXTENDED RELEASE</DosageFormName>
    <RouteName>ORAL</RouteName>
    <StartMarketingDate>20221123</StartMarketingDate>
    <MarketingCategoryName>ANDA</MarketingCategoryName>
    <ApplicationNumber>ANDA216896</ApplicationNumber>
    <LabelerName>Alembic Pharmaceuticals Limited</LabelerName>
    <SubstanceName>NIFEDIPINE</SubstanceName>
    <StrengthNumber>30</StrengthNumber>
    <StrengthUnit>mg/1</StrengthUnit>
    <Pharm_Classes>Calcium Channel Antagonists [MoA], Dihydropyridine Calcium Channel Blocker [EPC], Dihydropyridines [CS]</Pharm_Classes>
    <Status>Active</Status>
    <LastUpdate>2022-12-07</LastUpdate>
    <PackageNdcExcludeFlag>N</PackageNdcExcludeFlag>
    <ProductNdcExcludeFlag>N</ProductNdcExcludeFlag>
    <ListingRecordCertifiedThrough>20271231</ListingRecordCertifiedThrough>
    <StartMarketingDatePackage>20221123</StartMarketingDatePackage>
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    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tabletsareindicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina (Classical Effort-Associated Angina). Nifedipine extended-release tabletsareindicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets   are   indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tabletsmay be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tabletsareindicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina (Classical Effort-Associated Angina). Nifedipine extended-release tabletsareindicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets   are   indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tabletsmay be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <Description>Nifedipine, USP is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17H18N2O6, and has the structural formula. Nifedipine, USP is a yellow powder, freely soluble in acetone, practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet, USP  is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: hypromellose, sodium chloride, polyethylene oxide, povidone K-30, magnesium stearate, cellulose acetate, polyethylene glycol 3350, titanium dioxide, polyethylene glycol 400, iron oxide red and iron oxide yellow. Tablets are imprinted with edible black ink containing shellac, propylene glycol and black iron oxide. FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablets, USP   are similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer. Nifedipine extended-release tablets, USP  are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablet, USP    depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tablets are indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina. (Classical Effort-Associated Angina). Nifedipine extended-release tablets are indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tablets may be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17 H18 N2O6, and has the structural formula:. Nifedipine is a yellow powder, freely soluble in acetone; practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: ammonium hydroxide; black iron oxide; cellulose acetate; hydroxypropyl cellulose; propylene glycol; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; butylated hydroxytoluene; red ferric oxide; shellac; sodium chloride; titanium dioxide.  FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablet is similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer.  Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tablets are indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina. (Classical Effort-Associated Angina). Nifedipine extended-release tablets are indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tablets may be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17 H18 N2O6, and has the structural formula:. Nifedipine is a yellow powder, freely soluble in acetone; practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: ammonium hydroxide; black iron oxide; cellulose acetate; hydroxypropyl cellulose; propylene glycol; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; butylated hydroxytoluene; red ferric oxide; shellac; sodium chloride; titanium dioxide.  FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablet is similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer.  Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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    <IndicationAndUsage>I. Vasospastic Angina. Nifedipine extended-release tablets are indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine extended-release tablets may also be used where the clinical presentation suggests a possible vasospastic component, but where vasospasm has not been confirmed, e.g., where pain has a variable threshold on exertion, or in unstable angina where electrocardiographic findings are compatible with intermittent vasospasm, or when angina is refractory to nitrates and/or adequate doses of beta blockers. II. Chronic Stable Angina. (Classical Effort-Associated Angina). Nifedipine extended-release tablets are indicated for the management of chronic stable angina (effort-associated angina) without evidence of vasospasm in patients who remain symptomatic despite adequate doses of beta blockers and/or organic nitrates or who cannot tolerate those agents. In chronic stable angina (effort-associated angina), nifedipine has been effective in controlled trials of up to eight weeks duration in reducing angina frequency and increasing exercise tolerance, but confirmation of sustained effectiveness and evaluation of long-term safety in these patients is incomplete. Controlled studies in small numbers of patients suggest concomitant use of nifedipine and beta-blocking agents may be beneficial in patients with chronic stable angina, but available information is not sufficient to predict with confidence the effects of concurrent treatment, especially in patients with compromised left ventricular function or cardiac conduction abnormalities. When introducing such concomitant therapy, care must be taken to monitor blood pressure closely, since severe hypotension can occur from the combined effects of the drugs (see WARNINGS). III. Hypertension. Nifedipine extended-release tablets are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including nifedipine extended-release tablets. Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the National High Blood Pressure Education Program’s Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC). Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly. Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal. Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. Nifedipine extended-release tablets may be used alone or in combination with other antihypertensive agents.</IndicationAndUsage>
    <Description>Nifedipine is a drug belonging to a class of pharmacological agents known as the calcium channel blockers. Nifedipine is 3,5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester, C17 H18 N2O6, and has the structural formula:. Nifedipine is a yellow powder, freely soluble in acetone; practically insoluble in water. It has a molecular weight of 346.3. Nifedipine extended-release tablet is formulated as a once-a-day controlled-release tablet for oral administration to provide 30, 60, or 90 mg of nifedipine. Each tablet contains 33 mg nifedipine to provide a 30 mg dose. Each tablet contains 66 mg nifedipine to provide a 60 mg dose. Each tablet contains 99 mg nifedipine to provide a 90 mg dose. Inert ingredients in the formulations are: ammonium hydroxide; black iron oxide; cellulose acetate; hydroxypropyl cellulose; propylene glycol; hypromellose; magnesium stearate; polyethylene glycol; polyethylene oxide; butylated hydroxytoluene; red ferric oxide; shellac; sodium chloride; titanium dioxide.  FDA approved dissolution test specifications differ from USP. System Components and Performance. Nifedipine extended-release tablet is similar in appearance to a conventional tablet. It consists, however, of a semipermeable membrane surrounding an osmotically active drug core. The core itself is divided into two layers: an “active” layer containing the drug, and a “push” layer containing pharmacologically inert (but osmotically active) components. As water from the gastrointestinal tract enters the tablet, pressure increases in the osmotic layer and “pushes” against the drug layer, releasing drug through the precision laser-drilled tablet orifice in the active layer.  Nifedipine extended-release tablets are designed to provide nifedipine at an approximately constant rate over 24 hours. This controlled rate of drug delivery into the gastrointestinal lumen is independent of pH or gastrointestinal motility. Nifedipine extended-release tablets depends for its action on the existence of an osmotic gradient between the contents of the bi-layer core and fluid in the gastrointestinal tract. Drug delivery is essentially constant as long as the osmotic gradient remains constant, and then gradually falls to zero. Upon swallowing, the biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the feces as an insoluble shell.</Description>
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