Masitinib (AB1010)

Masitinib (AB1010) is a tyrosine kinase inhibitor used in the treatment of mast cell tumours in dogs. It is a potent, orally bioavailable, and selective inhibitor of c-Kit, PDGFR, FGFR3, and FAK pathways with IC50 values of 150 ± 80 nM, 200 ± 40 nM, and 1.2 μM for c-Kit, PDGFRα, and FGFR3 respectively. Masitinib has also been shown to inhibit stem cell factor receptor (c-kit) and platelet-derived growth factor receptor (PDGFR).


Chemical Name:

Masitinib (AB1010)



Molecular Fomula:


Formula Weight:


Chemical Uses


Masitinib (AB1010) is a novel, orally-administered tyrosine kinase inhibitor of c-Kit and platelet-derived growth factor receptor alpha (PDGFRA). This drug has been developed to treat a range of cancers, including gastrointestinal stromal tumors (GISTs), advanced non-small cell lung cancer (NSCLC), and mastocytosis, a rare blood disorder. Masitinib has the CAS number 790299-79-5.


Masitinib (AB1010) works by selectively blocking two critical enzymes in cancer growth, c-kit, and PDGFRα. By blocking these two enzymes, Masitinib (AB1010) inhibits tumor growth and progression and can even lead to tumor shrinkage. In clinical trials, Masitinib (AB1010) has been shown to reduce tumor size and improve patient outcomes in patients with GIST, metastatic melanoma, and other cancers. 

Masitinib (AB1010) has several advantages over traditional chemotherapy and radiation treatments. For one, it is highly selective and can target specific pathways involved in cancer growth while leaving healthy cells unaffected. Since Masitinib (AB1010) is taken orally, it eliminates the need for intravenous drugs and the accompanying side effects. Finally, Masitinib (AB1010) is well tolerated, with few side effects.

Chemical Properties

Chemical name:

Masitinib (AB1010)

Cas No:


Molecular Formula:


Formula Weight:

498.64 g/mol

Melting point


Boiling point

425.9±55.0 °C(Predicted)


1.280±0.06 g/cm3(Predicted)

storage temp.




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