Relistor Injection, Solution
NDC 65649-552
View dosage, usage, ingredients, routes, and UNII mappings.
Product Information
Relistor (methylnaltrexone bromide) is a NDA-approved product labeled by Salix Pharmaceuticals, Inc.. This medication is used to treat constipation caused by opioid medication. It is supplied as a white injection, solution for subcutaneous administration. This product entry covers the primary NDC 65649-552 and its associated package configuration. This profile includes active and inactive ingredient UNII references and FDA labeling data.
Primary Identification
NDC Product Code:
65649-552
Proprietary Name:
Relistor
Non-Proprietary Name: [1]
Methylnaltrexone Bromide
Substance Name: [2]
Methylnaltrexone Bromide
NDC Directory Status:
Human Prescription Drug
Product Type: [3]
ACTIVE PRODUCT INCLUDED in the NDC Directory
Code Navigator:
Clinical Specifications
Dosage Form:
Injection, Solution
- A liquid preparation containing one or more drug substances dissolved in a suitable solvent or mixture of mutually miscible solvents that is suitable for injection.
Administration Route(s): [4]
Subcutaneous - Administration beneath the skin; hypodermic. Synonymous with the term SUBDERMAL.
Labeler & Regulatory Data
Labeler Name: [5]
Labeler Code:
65649
Product Label ID:
FDA Application Number: [6]
NDA021964
Marketing Category: [8]
NDA - A product marketed under an approved New Drug Application.
Marketing Timeline
Start Marketing Date: [9]
04-24-2008
Listing Expiration Date: [11]
12-31-2026
Exclude Flag: [12]
N
Product Characteristics
Color(s):
WHITE (C48325)
Shape:
ROUND (C48348)
Size(s):
6 MM
Imprint(s):
REL;PLAIN
Score:
2
Code Structure Chart
Product Details
What is NDC 65649-552?
The NDC code 65649-552 is assigned by the FDA to the product Relistor. It is commonly known by its generic name, methylnaltrexone bromide. This pharmaceutical product is labeled by Salix Pharmaceuticals, Inc. and is currently categorized as listed product. The medication is a injection, solution administered via subcutaneous route. In terms of distribution, this product is available in a single package configuration. The associated package NDC(s) include: 65649-552-04. Beyond standard identification, this entry provides technical data including pharmacologic classes, UNII ingredient references, and RxNorm cross-referencing for healthcare systems.
What are the uses of this product?
This medication is used to treat constipation caused by opioid medication. It blocks the effect of opioids on the gut without blocking the effect on pain. Methylnaltrexone belongs to a class of medications known as opioid antagonists.
What are Active Ingredients of this product?
An active ingredient is the substance responsible for the medicinal effects of a product specified by the substance's molecular structure or if the molecular structure is not known, defined by an unambiguous definition that identifies the substance. Each active ingredient name is the preferred term of the UNII code submitted.
Which are the associated UNII Codes?
The UNII codes for the active ingredients in this product are:
- METHYLNALTREXONE BROMIDE (UNII: RFO6IL3D3M)
- METHYLNALTREXONE (UNII: 0RK7M7IABE) (Active Moiety)
Which are the Inactive Ingredients associated UNII Codes?
The inactive ingredients are all the component of a medicinal product OTHER than the active ingredient(s). The acronym "UNII" stands for “Unique Ingredient Identifier” and is used to identify each inactive ingredient present in a product. The UNII codes for the inactive ingredients in this product are:
- SODIUM CHLORIDE (UNII: 451W47IQ8X)
- EDETATE CALCIUM DISODIUM (UNII: 25IH6R4SGF)
- GLYCINE HYDROCHLORIDE (UNII: 225ZLC74HX)
- WATER (UNII: 059QF0KO0R)
What is the NDC to RxNorm Crosswalk for this product?
RxNorm is a normalized naming system for generic and branded drugs that assigns unique concept identifier(s) known as RxCUIs to NDC products.The NDC to RxNorm Crosswalk for this produdct indicates multiple concept unique identifiers (RXCUIs) are associated with this product:
- RxCUI: 1244060 - methylnaltrexone bromide 12 MG in 0.6 ML Prefilled Syringe
- RxCUI: 1244060 - 0.6 ML methylnaltrexone bromide 20 MG/ML Prefilled Syringe
- RxCUI: 1244060 - methylnaltrexone bromide 12 MG per 0.6 ML Prefilled Syringe
- RxCUI: 1244062 - RELISTOR 12 MG in 0.6 ML Prefilled Syringe
- RxCUI: 1244062 - 0.6 ML methylnaltrexone bromide 20 MG/ML Prefilled Syringe [Relistor]
Which are the Pharmacologic Classes of this product?
A pharmacologic class is a group of drugs that share the same scientifically documented properties. The following is a list of the reported pharmacologic class(es) corresponding to the active ingredients of this product.
* Please review the full disclaimer at the bottom of this page.
Patient Education
Methylnaltrexone Injection
Methylnaltrexone injection is used to treat constipation caused by opioid (narcotic) pain medications in people with chronic (on-going) pain that is not caused by cancer but may be related to a previous cancer or cancer treatment. It is also used to treat constipation caused by opioid pain medications in people with an advanced illness or for active cancer pain. Methylnaltrexone injection is in a class of medications called peripherally acting mu-opioid receptor antagonists. It works by protecting the bowel from the effects of opioid (narcotic) medications.
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* Please review the full disclaimer at the bottom of this page.
Product & Regulatory Definitions
What is the Non-Proprietary Name? The non-proprietary name is sometimes called the generic name. The generic name usually includes the active ingredient(s) of the product.
What is the Substance Name? An active ingredient is the substance responsible for the medicinal effects of a product specified by the substance's molecular structure or if the molecular structure is not known, defined by an unambiguous definition that identifies the substance. Each active ingredient name is the preferred term of the UNII code submitted.
What kind of product is this? Indicates the type of product, such as Human Prescription Drug or Human Over the Counter Drug. This data element matches the “Document Type” field of the Structured Product Listing.
What are the Administration Routes? The translation of the route code submitted by the firm, indicating route of administration.
What is the Labeler Name? Name of Company corresponding to the labeler code segment of the Product NDC.
What is the FDA Application Number? 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.
What is the Marketing Category? 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.
What is the Start Marketing Date? This is the date that the labeler indicates was the start of its marketing of the drug product.
What is the Listing Expiration Date? This is the date when the listing record will expire if not updated or certified by the product labeler.
What is the NDC Exclude Flag? This field 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, or because the listing certification is expired, or because the listing data was inactivated by FDA, or because it was discontinued by the labeler. Possible values in this field are: "D", "E", "I", "N", "U".
