Henatinib Maleate

**Semantic type:** Pharmacologic Substance

**Definition:** The maleate salt form of henatinib, an orally bioavalable, multitargeted tyrosine kinase inhibitor with potential antitumor and antiangiogenic activities. Henatinib inhibits vascular endothelial growth factor receptor type 2 (VEGFR2), a tyrosine kinase receptor upregulated in many tumor cells that plays a key role in angiogenesis. This may result in an inhibition of angiogenesis and eventually tumor cell proliferation. Henatinib, structurally similar to sunitinib, also inhibits, though to a lesser extent, mast/stem cell growth factor receptor (c-Kit) and, platelet-derived growth factor receptor (PDGFR) alpha and beta.

**Synonyms:** - (R,Z)-2-[(5-Fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene) methyl]-5-(2-hydroxy-3-morpholinopropyl)-3-methyl-5,6,7,8-tetrahydro-1H-pyrrolo[3,2-c] azepin-4-ketone Maleate