NDC 59011-962-01 HUMAN PRESCRIPTION DRUG

Drug Status:  Active

Proprietary Name: Zurnai

Drug Overview

The NDC Code 59011-962-01 is assigned to “Zurnai ” (also known as: “Nalmefene Hydrochloride”), a human prescription drug labeled by “Purdue Pharma L.P.”. The product's dosage form is injection, solution, and is administered via intramuscular; subcutaneous form.

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Drug Information
NDC Package Code	59011-962-01
	The labeler code, product code, and package code segments of the National Drug Code number, separated by hyphens. Asterisks are no longer used or included within the product and package code segments to indicate certain configurations of the NDC.
Product NDC	59011-962
	The labeler code and product code segments of the National Drug Code number, separated by a hyphen. Asterisks are no longer used or included within the product code segment to indicate certain configurations of the NDC.
11 Digit NDC Code	59011-0962-01
	It should be noted that many NDCs are displayed on drug packaging in a 10-digit format. Proper billing of an NDC requires an 11-digit number in a 5-4-2 format. Converting NDCs from a 10-digit to 11-digit format requires a strategically placed zero, dependent upon the 10-digit format.
Proprietary Name	Zurnai
	Also known as the trade name. It is the name of the product chosen by the labeler.
Non Proprietary Name	Nalmefene Hydrochloride
	Sometimes called the generic name, this is usually the active ingredient(s) of the product.
Product Type Name	HUMAN PRESCRIPTION DRUG
	Indicates the type of product, such as Human Prescription Drug or Human OTC Drug. This data element corresponds to the “Document Type” of the SPL submission for the listing. The complete list of codes and translations can be found at www.fda.gov/edrls under Structured Product Labeling Resources.
Labeler Name	Purdue Pharma L.P.
	Name of Company corresponding to the labeler code segment of the ProductNDC.
Status	Active
	Possible status values: Active Active NDC Code Deprecated Deprecated NDC Code Unfinished (Unapproved) The following status describes submitted unfinished drugs, including the marketing categories of Active Pharmaceutical Ingredient (API), Drug for Further Processing, Bulk for Human Drug Compounding, and Bulk for Animal Drug Compounding. FDA does not review and approve unfinished products. Therefore, all products having "unfinished" status are considered unapproved.
Description	ZURNAI (nalmefene injection) is a sterile, pre-filled, single-dose auto-injector designed to deliver a dose of 1.5 mg nalmefene (provided as nalmefene hydrochloride) in 0.5 mL. Nalmefene hydrochloride, an opioid antagonist, is a 6-methylene analogue of naltrexone. The molecular structure of nalmefene is presented below. Molecular Formula: C21H25NO3∙HCl. Molecular Weight: 375.9, CAS# 58895-64-0. Chemical Name: 17-(Cyclopropylmethyl)-4,5α-epoxy-6-methylenemorphinan-3,14-diol, hydrochloride salt. Nalmefene is a white to off-white crystalline powder which is freely soluble in water up to 130 mg/mL and slightly soluble in chloroform up to 0.13 mg/mL, with a pKa of 7.63. Each ZURNAI auto-injector delivers 1.5 mg nalmefene (equivalent to 1.7 mg nalmefene hydrochloride) in 0.5 mL solution. The pH range is 3.5 to 4.5. The inactive ingredients in ZURNAI nalmefene injection include: hydrochloric acid to adjust pH; magnesium chloride, 4.7 mg; and water for injection.
	General information about the drug product, including the proprietary and established name of the drug, the type of dosage form and route of administration to which the label applies, qualitative and quantitative ingredient information, the pharmacologic or therapeutic class of the drug, and the chemical name and structural formula of the drug.
Indication And Usage	ZURNAI is indicated for the emergency treatment of known or suspected opioid overdose induced by natural or synthetic opioids in adults and pediatric patients aged 12 years and older, as manifested by respiratory and/or central nervous system depression. ZURNAI is intended for immediate administration as emergency therapy in settings where opioids may be present. ZURNAI is not a substitute for emergency medical care.
	A statement of each of the drug productÕs indications for use, such as for the treatment, prevention, mitigation, cure, or diagnosis of a disease or condition, or of a manifestation of a recognized disease or condition, or for the relief of symptoms associated with a recognized disease or condition.This field may also describe any relevant limitations of use.

Route & Dosage
Dosage Form Name	INJECTION, SOLUTION
	The translation of the DosageForm Code submitted by the firm. The complete list of codes and translations can be found www.fda.gov/edrls under Structured Product Labeling Resources.
Route Name	INTRAMUSCULAR; SUBCUTANEOUS
	The translation of the Route Code submitted by the firm, indicating route of administration. The complete list of codes and translations can be found at www.fda.gov/edrls under Structured Product Labeling Resources.
Pharmaceutical Classes	OPIOID ANTAGONIST [EPC], OPIOID ANTAGONISTS [MOA]
	These are the reported pharmaceutical class categories corresponding to the SubstanceNames listed above.

Substance & Strength
Substance Name	NALMEFENE HYDROCHLORIDE - 1.5 mg/.5mL
	This is the active ingredient list. Each ingredient name is the preferred term of the UNII code submitted.

Drug Package Information
NDC Package Code	59011-962-01
	The labeler code, product code, and package code segments of the National Drug Code number, separated by hyphens. Asterisks are no longer used or included within the product and package code segments to indicate certain configurations of the NDC.
Package Description	1 SYRINGE, GLASS IN 1 CARTON (59011-962-01) / .5 ML IN 1 SYRINGE, GLASS
	A description of the size and type of packaging in sentence form. Multilevel packages will have the descriptions concatenated together. For example: 4 BOTTLES in 1 CARTON/100 TABLETS in 1 BOTTLE.
Sample Package	N
	Defines whether given package serves sample purposes.
Package NDC Exclude Flag	N
	This indicates whether the package has been removed/excluded from the NDC Directory for failure to respond to FDA’s requests for correction to deficient or non-compliant submissions.
Package Start Marketing Date	20250807
	This is the date that the labeler indicates was the start of its marketing of the drug package.
Package End Marketing Date	N/S (NOT SPECIFIED)
	This is the date the package will no longer be available on the market. If a package is no longer being manufactured, in most cases, the FDA recommends firms use the expiration date of the last lot produced as the EndMarketingDate, to reflect the potential for drug product to remain available after manufacturing has ceased. Packages that are the subject of ongoing manufacturing will not ordinarily have any EndMarketingDate. Packages with a value in the EndMarketingDate will be removed from the NDC Directory when the EndMarketingDate is reached.

Product Application & Marketing Information
Product NDC	59011-962
	The labeler code and product code segments of the National Drug Code number, separated by a hyphen. Asterisks are no longer used or included within the product code segment to indicate certain configurations of the NDC.
Application Number	NDA218590
	This corresponds to the NDA, ANDA, or BLA number reported by the labeler for products which have the corresponding Marketing Category designated. If the designated Marketing Category is OTC Monograph Final or OTC Monograph Not Final, then the Application number will be the CFR citation corresponding to the appropriate Monograph (e.g. “part 341”). For unapproved drugs, this field will be null.
Marketing Category Name	NDA
	Product types are broken down into several potential Marketing Categories, such as NDA/ANDA/BLA, OTC Monograph, or Unapproved Drug. One and only one Marketing Category may be chosen for a product, not all marketing categories are available to all product types. Currently, only final marketed product categories are included. The complete list of codes and translations can be found at www.fda.gov/edrls under Structured Product Labeling Resources.
Listing Record Certified Through	20261231
	This is the date when the listing record will expire if not updated or certified by the firm.
Product Marketing Start Date	20250807
	This is the date that the labeler indicates was the start of its marketing of the drug product.
Product Marketing End Date	N/S (NOT SPECIFIED)
	This is the date the product will no longer be available on the market. If a product is no longer being manufactured, in most cases, the FDA recommends firms use the expiration date of the last lot produced as the EndMarketingDate, to reflect the potential for drug product to remain available after manufacturing has ceased. Products that are the subject of ongoing manufacturing will not ordinarily have any EndMarketingDate. Products with a value in the EndMarketingDate will be removed from the NDC Directory when the EndMarketingDate is reached.
Product NDC Exclude Flag	N
	This indicates whether the product has been removed/excluded from the NDC Directory for failure to respond to FDA’s requests for correction to deficient or non-compliant submissions.

Tracking Information
Last Update Date	2025-08-07
	The date that a record was last updated or changed.