Friday, July 10, 2026

Drug profile · INN

nalmefene hydrochloride

nalmefene hydrochloride (REVEX) is an FDA-listed pharmaceutical active ingredient. Associated with Indivior Pty Ltd. Route of administration: intramuscular, subcutaneous. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 4
Pipeline programs 1
News articles 0
Drug details — nalmefene hydrochloride
US status
approved
Class
Route
INTRAMUSCULAR, SUBCUTANEOUS
Patents
4
Programs
1
Data quality
0.89

Quick answer

nalmefene hydrochloride (REVEX) is an FDA-listed pharmaceutical active ingredient. Associated with Indivior Pty Ltd. Route of administration: intramuscular, subcutaneous. Current US regulatory status: approved.

Key facts

INN nalmefene hydrochloride
Brand REVEX
Route INTRAMUSCULAR, SUBCUTANEOUS
Formulation SPRAY

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. Nalmefene Phase 1 · BRIGHT MINDS BIOSCIENCES · Opioid-Related Disorders
  1. US 12290596

    Compositions and methods for the treatment of opioid overdose

    Expires Mon May 01 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 10584135

    Substituted 3,6-diazabicyclo[3.2.0]heptanes

    Expires Mon Mar 05 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 10149912

    Dehydrated hydrogel inclusion complex

    Expires Mon Dec 06 2038 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 9486531

    Dehydrated hydrogel inclusion complex of a bioactive agent with flowable drug delivery system

    Expires Mon Nov 03 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is nalmefene hydrochloride?

nalmefene hydrochloride (REVEX) is an FDA-listed pharmaceutical active ingredient. Associated with Indivior Pty Ltd. Route of administration: intramuscular, subcutaneous. Current US regulatory status: approved.

What is the brand name for nalmefene hydrochloride?

REVEX is a marketed brand name for nalmefene hydrochloride. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of nalmefene hydrochloride?

nalmefene hydrochloride has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.