PDGFRα Inhibitor

Lenvatinib (E7080) is an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Ponatinib (AP24534) is an orally active multi-targeted kinase inhibitor with IC₅₀s of 0.37 nM, 1.1 nM, 1.5 nM, 2.2 nM, and 5.4 nM for Abl, PDGFRα, VEGFR2, FGFR1, and Src, respectively.

Nintedanib esylate (BIBF 1120 esylate) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Lenvatinib mesylate (E7080 mesylate), an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Multi-kinase-IN-15 is an orally active multi-kinase inhibitor. Multi-kinase-IN-15 inhibits the kinase activity of MNK1, MNK2, ABL1, ABL1 T315I, FLT3, VEGFR2, RET, cKIT, FGFR2, PDGFRα, and PDGFRβ. Multi-kinase-IN-15 dose-dependently reduces phosphorylation of eIF4E and phosphorylated Crkl in tumor cells, and decreases phosphorylation of eIF4E in tumor tissues. Multi-kinase-IN-15 inhibits tumor growth. Multi-kinase-IN-15 can be used for research on chronic myeloid leukemia.

CP-673451 is a potent and selective inhibitor of PDGFR with IC₅₀s of 10 and 1 nM for PDGFRα and PDGFRβ, respectively.

Crenolanib is a potent and selective inhibitor of wild-type and mutant isoforms of the class III receptor tyrosine kinases FLT3 and PDGFRα/β with K_ds of 0.74 nM and 2.1 nM/3.2 nM, respectively.

Ripretinib (DCC-2618) is an orally bioavailable, selective KIT and PDGFRA switch-control inhibitor. Ripretinib (DCC-2618) targets and binds to both wild-type and mutant forms of KIT and PDGFRA specifically at their switch pocket binding sites, thereby preventing the switch from inactive to active conformations of these kinases and inactivating their wild-type and mutant forms. Ripretinib (DCC-2618) also inhibits multiple other kinase targets, such as FLT3 and KDR (or VEGFR-2). DCC-2618 exerts antineoplastic effect and induces apoptosis.

Dovitinib (CHIR-258) is an orally active, potent multi-targeted tyrosine kinase (RTK) inhibitor with IC₅₀s of 1, 2, 36, 8/9, 10/13/8, 27/210 nM for FLT3, c-Kit, CSF-1R, FGFR1/FGFR3, VEGFR1/VEGFR2/VEGFR3 and PDGFRα/PDGFRβ, respectively. Dovitinib has potent antitumor activity.

Cediranib (AZD2171) is a highly potent, orally available and blood-brain barrier permeability VEGFR tyrosine kinase inhibitor with IC₅₀s of <1, <3, 5, 5, 36, 2 nM for Flt1, KDR, Flt4, PDGFRα, PDGFRβ, c-Kit, respectively.

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.

Ponatinib hydrochloride (AP24534 hydrochloride) is a hydrochloride of ponatinib. Ponatinib is an orally active multi-targeted kinase inhibitor with IC₅₀s of 0.37 nM, 1.1 nM, 1.5 nM, 2.2 nM, and 5.4 nM for Abl, PDGFRα, VEGFR2, FGFR1, and Src, respectively.

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.

ENMD-2076 is a multi-targeted kinase inhibitor with IC₅₀s of 1.86, 14, 58.2, 15.9, 92.7, 70.8, 56.4 nM for Aurora A, Flt3, KDR/VEGFR2, Flt4/VEGFR3, FGFR1, FGFR2, Src, PDGFRα, respectively.

TAK-593 is a potent VEGFR and PDGFR family inhibitor with IC₅₀s of 3.2, 0.95, 1.1, 4.3 and 13 nM for VEGFR1, VEGFR2, VEGFR3, PDFGRα and PDFGRβ, respectively.

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.

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.

JNJ-10198409 is a relatively selective, orally active, and ATP competitive PDGF-RTK (platelet-derived growth factor receptor tyrosine kinase) inhibitor (IC₅₀=2 nM). It is a dual-mechanism, antiangiogenic, and tumor cell antiproliferative agent. JNJ-10198409 has good activity against PDGFR-β kinase (IC₅₀=4.2 nM) and PDGFR-α kinase (IC₅₀=45 nM).

Ilorasertib (ABT-348) is a potent, orally active and ATP-competitive aurora inhibitor with IC₅₀s of116, 5, 1 nM for aurora A, aurora B, aurora C, respectively. Ilorasertib also is a potent VEGF, PDGF inhibitor. Ilorasertib has the potential for the research of acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS).