Drug

Terazosin

As of the edition of 20 October 2026, Terazosin is a small molecule: marketed, first approved in 1987 (US); acts on ADRA1A, ADRA1B and ADRA1D; no US protection is listed.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2000
Kind
Small molecule
Brand name
Hytrin
First approved
7 August 1987 (US)
Approvals on record
11 in 3 regions
Holder of the most recent approval
ANI Pharmaceuticals; 4 holders in all
Registered trials
19, 1 stopped early
Disease areas
Nervous system; Mental health; Heart and blood vessels; Nutrition and metabolism; Hormones; Pregnancy and women's health

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Companies that need a new molecule because of this drug

3 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

3 company-target rows are on route B because of Terazosin.

Targets

GeneProteinUniProt
ADRA1DAlpha-1D adrenergic receptorP25100
ADRA1AAlpha-1A adrenergic receptorP35348
ADRA1BAlpha-1B adrenergic receptorP35368

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated4201
Phase 12020
Phase 28150
Phase 32020
Phase 43200
All trials19

Who has held its approvals

CompanyRoleYears
AbbottOriginator and Acquired holder1987 to now
ANI PharmaceuticalsLater holder2024 to now