NDAORALCAPSULEPriority Review
Approved
Jun 1976
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Clinical Trials
1
Data completeness
4/8 — Partial
Priority Review
MINIPRESS (prazosin hydrochloride) by Pfizer is clinical pharmacology the exact mechanism of the hypotensive action of prazosin is unknown. First approved in 1976.
Drug data last refreshed 11h ago · AI intelligence enriched 1w ago
AI summarySynthesized from FDA + DailyMed + ClinicalTrials.gov data
MINIPRESS (prazosin hydrochloride) is an oral alpha-adrenergic receptor antagonist approved in 1976 for hypertension management. It works by blocking postsynaptic alpha-adrenoceptors on vascular smooth muscle, reducing total peripheral resistance and lowering blood pressure without reflex tachycardia. The drug is notable for maintaining stable hemodynamics without adverse effects on cardiac output, heart rate, or renal function.
$0.014BPart D
LOE ApproachingDeclining
Minimal current spending and declining claims indicate this is a mature, legacy product with limited team growth potential.
Mechanism of Action
CLINICAL PHARMACOLOGY The exact mechanism of the hypotensive action of prazosin is unknown. Prazosin causes a decrease in total peripheral resistance and was originally thought to have a direct relaxant action on vascular smooth muscle. Recent animal studies, however, have suggested that the…
Indications
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Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.