Drug

Masitinib

As of the edition of 20 October 2026, Masitinib is a small molecule: stopped in 2026; acts on FGFR3, KIT and PDGFRA and 1 more.

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

The drug

Status
Stopped, 2026
Kind
Small molecule
Registered trials
37, 6 stopped early
Disease areas
Immune system; Cancer; Nervous system; Skin and connective tissue; Digestive system; Lungs and airways

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Targets

GeneProteinUniProt
PDGFRBPlatelet-derived growth factor receptor betaP09619
KITMast/stem cell growth factor receptor KitP10721
PDGFRAPlatelet-derived growth factor receptor alphaP16234
FGFR3Fibroblast growth factor receptor 3P22607

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11100
Phase 2131000
Phase 3231236
All trials37

Who ran its trials

CompanyRoleYears
AB ScienceLead sponsor of trials2004 to now