Drug

Mecamylamine

As of the edition of 20 October 2026, Mecamylamine is a small molecule: marketed, first approved in 1982 (US); acts on CHRNA3; no US protection is listed.

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

The drug

Status
Marketed; latest approval 1982
Kind
Small molecule
Brand name
Inversine
First approved
1 January 1982 (US)
Approvals on record
1 in 1 region
Holder of the most recent approval
Targacept
Registered trials
14, 0 stopped early
Disease areas
Mental health; Nervous system; Chemically induced; Eye; Heart and blood vessels; Immune system

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 A because of this drug.

Companies on route A for this drug

In the product

1 company is on route A because of Mecamylamine.

Target

GeneProteinUniProt
CHRNA3Neuronal acetylcholine receptor subunit alpha-3P32297

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated2200
Phase 13300
Phase 27610
Phase 31100
Phase 41000
All trials14

Who has held its approvals

CompanyRoleYears
TargaceptAcquired holder and Lead sponsor of trials2003 to now
Merck & Co.Earlier holder