c-Kit Inhibitor

Velzatinib (M4205) is a multi-target inhibitor for PDGFRB, PDGFRA, CSF1R, c-Kit, FLT3, and LCK, with an IC₅₀s of 2.6, 50, 5.5, 44, 141 and 141 nM, respectively. Velzatinib exhibits antitumor efficacy in xenograft mouse models.

Regorafenib (BAY 73-4506) monohydrate is an orally active and potent multi-targeted receptor tyrosine kinase inhibitor, with IC₅₀ values of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively. Regorafenib monohydrate shows very robust antitumor and antiangiogenic activity.

Pazopanib Hydrochloride (GW786034 Hydrochloride) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ, c-Kit, FGFR1, and c-Fms with an IC₅₀ of 10, 30, 47, 84, 74, 140 and 146 nM, respectively.

Bezuclastinib (CGT9486) is an orally active, highly selective tyrosine kinase inhibitor with potent activity against KIT D816V. Bezuclastinib can be used for the research of nonadvanced systemic mastocytosis (NonAdvSM).

Flumatinib (HHGV678) is an orally available, selective inhibitor of Bcr-Abl. Flumatinib inhibits c-Abl, PDGFRβ and c-Kit with IC₅₀s of 1.2 nM, 307.6 nM and 665.5 nM, respectively.

Pimicotinib (ABSK021) is a selective and orally active CSF1R inhibitor with an IC₅₀ value of 19.48 nM (determined by inhibiting ADP production). Pimicotinib exhibits anti-tumor activity.

AST 487 is a RET kinase inhibitor with IC₅₀ of 880 nM, inhibits RET autophosphorylation and activation of downstream effectors, also inhibits Flt-3 with IC₅₀ of 520 nM.

Tyrphostin AG1296 is a potent and selective inhibitor of platelet-derived growth factor receptor (PDGFR), with an IC₅₀ of 0.8 μM. Tyrphostin AG1296 inhibits signaling of human PDGF α- and β-receptors as well as of the related stem cell factor receptor (c-Kit). Tyrphostin AG1296 is also a potent inhibitor of FLT3, with an IC₅₀ in the micromolar range.

Toceranib phosphate (SU11654 phosphate) is an orally active receptor tyrosine kinase (RTK) inhibitor, and it potently inhibits PDGFR, VEGFR, and Kit with K_is of 5 and 6 nM for PDGFRβ and Flk-1/KDR, respectively. Toceranib phosphate (SU11654 phosphate) has antitumor and antiangiogenic activity, and used in the treatment of canine mast cell tumors.

SU11652 is a potent receptor tyrosine kinase (RTK) inhibitor. SU11652 also inhibits several members of the split kinase family of RTKs, including VEGFR, FGFR, PDGFR, and Kit. SU11652 can be uesd for spontaneous cancers expressing Kit mutations research.

Motesanib (AMG 706) is a potent ATP-competitive inhibitor of VEGFR1/2/3 with IC₅₀s of 2 nM/3 nM/6 nM, respectively, and has similar activity against Kit, and is appr 10-fold more selective for VEGFR than PDGFR and Ret.

ISCK03 is a SCF/c-Kit and CD117-specific inhibitor. ISCK03 significantly inhibits c-Kit phosphorylation at 10 μM.

Ki20227 is an orally active and highly selective c-Fms tyrosine kinase (CSF1R) inhibitor with IC₅₀s of 2 nM, 12 nM, 451 and 217 nM for CSF1R, VEGFR2 (vascular endothelial growth factor receptor-2), c-Kit (stem cell factor receptor) and PDGFRβ (platelet-derived growth factor receptor β). Ki20227 suppresses osteoclast differentiation and osteolytic bone destruction.

SU14813 is a multi-targeted receptor tyrosine kinases inhibitor with IC₅₀s of 50, 2, 4, 15 nM for VEGFR2, VEGFR1, PDGFRβ and KIT.

Masitinib mesylate (AB-1010 mesylate) is a potent, orally bioavailable, and selective inhibitor of c-Kit (IC₅₀=200 nM for human recombinant c-Kit). It also inhibits PDGFRα/β (IC₅₀s=540/800 nM), Lyn (IC₅₀= 510 nM for LynB), Lck, and, to a lesser extent, FGFR3 and FAK. Masitinib mesylate (AB-1010 mesylate) has anti-proliferative, pro-apoptotic activity and low toxicity.

Seralutinib (GB002) is an inhaled PDGFRα and PDGFRβ inhibitor. Seralutinib also targets to CSF1R and c-KIT with IC₅₀s of 8 nM and 14 nM, respectively. Seralutinib (GB002) is used in the study for pulmonary arterial hypertension.

c-Kit-IN-1 is a potent inhibitor of c-Kit and c-Met with IC₅₀s of <200 nM.

Amuvatinib (MP470) is an orally bioavailable multi-targeted tyrosine kinase inhibitor with potent activity against mutant c-Kit, PDGFRα, Flt3, c-Met and c-Ret. Amuvatinib (MP470) is also a DNA repair suppressor through suppression of DNA repair protein RAD51, thereby disrupting DNA damage repair. Antineoplastic activity.

AZD3229 is a potent pan-KIT mutant inhibitor for the treatment of gastrointestinal stromal tumors. AZD3229 inhibits c-KIT with an IC₅₀ value of 223.3 nM.

Elenestinib (BLU-263) is an orally active inhibitor of Tyrosine kinase with an IC₅₀ value of 6 nM for KIT D816V. Elenestinib minimally penetrates the blood-brain barrier. Elenestinib can be used in the study of systemic mastocytosis.