A potent inhibitor of VEGFR2 and bFGF
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CP 547,632 is an orally bioavailable and potent inhibitor of the receptor tyrosine kinases VEGF receptor 2 (VEGFR2) and basic fibroblast growth factor (bFGF) with IC50 values of 11 and 9 nM, respectively, in an enzyme assay.1 It is selective for VEGFR2 and bFGF over EGFR, PDGF receptor β (PDGFRβ), and related tyrosine kinases. CP 547,632 inhibits VEGFR2 autophosphorylation induced by VEGF in porcine aortic endothelial cells transfected with VEGFR2 (IC50 = 6 nM) and in a xenograft mouse model using NIH3T3/H-Ras cells (EC50 = 590 nM). It decreases angiogenesis induced by VEGF or bFGF and suppresses tumor growth in athymic mice.
1.Beebe, J.S., Jani, J.P., Knauth, E., et al.Pharmacological characterization of CP-547,632, a novel vascular endothelial growth factor receptor-2 tyrosine kinase inhibitor for cancer therapyCancer Res.63(21)7301-7309(2003)
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