An orally bioavailable small molecule, targeting the platelet-derived growth factor receptor (PDGFR), with potential antineoplastic activity. PDGFR inhibitor CP-868596 binds to and inhibits PDGFR, which may result in the inhibition of PDGFR-related signal transduction pathways, and, so, the inhibition of tumor angiogenesis and tumor cell proliferation. PDGFR, up-regulated in many tumor cell types, is a receptor tyrosine kinase essential to cell migration and the development of the microvasculature.
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