Drug

Defactinib

As of the edition of 20 October 2026, Defactinib is a small molecule: marketed, first approved in 2025 (US); acts on PTK2 and PTK2B; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2025
Kind
Small molecule
Brand name
Avmapki Fakzynja Co-Pack (copackaged)
First approved
8 May 2025 (US)
Approvals on record
1 in 1 region
Holder of the most recent approval
Verastem
Registered trials
40, 6 stopped early
Disease areas
Cancer; Hormones; Digestive system; Lungs and airways; Pregnancy and women's health; Urinary and reproductive

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.

Targets

GeneProteinUniProt
PTK2Focal adhesion kinase 1Q05397
PTK2BProtein-tyrosine kinase 2-betaQ14289

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 112543
Phase 2273203
Phase 31010
All trials40

Who ran its trials

CompanyRoleYears
VerastemLead sponsor of trials2008 to now