TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

ZURNAI (AUTOINJECTOR)

NALMEFENE HYDROCHLORIDE
Neurology Approved 2024-08-07
1
Indication
--
Phase 3 Trials
1
Priority Reviews
1
Years on Market

Details

Status
Prescription
First Approved
2024-08-07
Routes
INTRAMUSCULAR, SUBCUTANEOUS
Dosage Forms
SOLUTION

Companies

Active Ingredient: NALMEFENE HYDROCHLORIDE

ZURNAI (AUTOINJECTOR) Approval History

Loading approval history...

What ZURNAI (AUTOINJECTOR) Treats

2 indications

ZURNAI (AUTOINJECTOR) is approved for 2 conditions since its original approval in 2024. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Opioid Overdose
  • Respiratory Depression
Source: FDA Label
๐Ÿ”ฌ

Active Pipeline

Pro

Ongoing clinical trials by development phase

Loading...
โญ

Key Completed Trials

Pro

Completed studies with published results, ranked by significance

Loading...
๐Ÿ“Š

Trial Timeline

Full development history with FDA approval milestones

Loading...
Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

ZURNAI (AUTOINJECTOR) FDA Label Details

Pro

Indications & Usage

FDA Label (PDF)

Nalmefene Hydrochloride Injection is indicated for the complete or partial reversal of opioid drug effects, including respiratory depression, induced by either natural or synthetic opioids. Nalmefene Hydrochloride Injection is indicated in the management of known or suspected opioid overdose.

ZURNAI (AUTOINJECTOR) Patents & Exclusivity

Latest Patent: Nov 2039
Exclusivity: Aug 2027

Patents (2 active)

US11865112 Expires Nov 5, 2039
US11857547 Expires Nov 5, 2039

Exclusivity

NP Until Aug 2027
Source: FDA Orange Book

Want competitive intelligence?

See who's developing similar drugs and track their progress

View Pipeline Dashboard

Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.