Friday, July 10, 2026

Drug profile · INN

prazosin

prazosin (APO-PRAZOSIN) is a adrenergic receptor alpha-1 antagonist. Associated with Pfizer Australia Pty Ltd.

TGA: approved
Patents linked 0
Pipeline programs 5
News articles 0
Drug details — prazosin

Quick answer

prazosin (APO-PRAZOSIN) is a adrenergic receptor alpha-1 antagonist. Associated with Pfizer Australia Pty Ltd.

Key facts

INN prazosin
Brand APO-PRAZOSIN
Mechanism Adrenergic receptor alpha-1 antagonist

Mechanism of action

Adrenergic receptor alpha-1 antagonist

Approval history

Authority Status Date
TGA approved

Pipeline programs

  1. SPD503 (1 mg) Phase 3 · Takeda · Attention Deficit Disorder With Hyperactivity
  2. Idursulfase IT (1 mg) Phase 2 · Takeda · Hunter Syndrome
  3. Prazosin Phase 2 · BRIGHT MINDS BIOSCIENCES · Continuous Methamphetamine Abuse
  4. A0281007 Phase 1 · First Biotech (Australia) · Primary and secondary hypertension, and heart failure
  5. prazosin hydrochloride Unknown · United Therapeutics Europe · Alcohol Use Disorders

Frequently asked questions

What is prazosin?

prazosin (APO-PRAZOSIN) is a adrenergic receptor alpha-1 antagonist. Associated with Pfizer Australia Pty Ltd.

What is the brand name for prazosin?

APO-PRAZOSIN is a marketed brand name for prazosin. Check FDA Drugs@FDA for the current US label holder and prescribing information.