Drug

Varenicline

As of the edition of 20 October 2026, Varenicline is a small molecule: marketed, first approved in 2006 (US); acts on CHRNA4; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2006
Kind
Small molecule
Brand name
Chantix
First approved
10 May 2006 (US)
Approvals on record
4 in 2 regions
Holder of the most recent approval
Viatris; 3 holders in all
Registered trials
231, 22 stopped early
Disease areas
Mental health; Chemically induced; Nervous system; Cancer; Immune system; Lungs and airways

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 Varenicline.

Target

GeneProteinUniProt
CHRNA4Neuronal acetylcholine receptor subunit alpha-4P43681

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated403242
Phase 1251924
Phase 2574464
Phase 3453454
Phase 4644688
All trials231

Who has held its approvals

CompanyRoleYears
PfizerOriginator, Applicant and Lead sponsor of trials2000 to now
ViatrisLater holder and Lead sponsor of trials2019 to now