Drug

Stanozolol

As of the edition of 20 October 2026, Stanozolol is a small molecule: marketed, first approved in 1984 (US); acts on AR; no US protection is listed.

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

The drug

Status
Marketed; latest approval 1984
Kind
Small molecule
Brand name
Winstrol
First approved
14 May 1984 (US)
Approvals on record
1 in 1 region
Holder of the most recent approval
Lundbeck
Registered trials
1, 0 stopped early
Disease areas
Blood and lymph

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

1 company on route B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of Stanozolol.

Target

GeneProteinUniProt
ARAndrogen receptorP10275

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 31000
All trials1

Who has held its approvals

CompanyRoleYears
SanofiEarlier holder1984 to now
LundbeckAcquired holder2009 to now