High Purity Pharmaceutical Sunitinib Malate CAS 341031-54-7 CAS NO.341031-54-7

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What is Sunitinib Malate
Sunitiba Malate is an antineoplastic agent and a potent RTK inhibitor which includes Flk-1 (VEGFR2) as a primary target. It also is a potent, ATP-competitive inhibitor of VEGFR, PDGFR-β and c-Kit (KIT). Sunitiba Malate inhibits cellular receptor phosphorylation of FLT3, RET and CSF-1R. Exhibits antiangiogenic and antitumor activity in multiple xenograft models. Sunitinib Malate is an inhibitor of c-Fms-CSF-1R, Flt-1, Flt-3/Flk-2, Flt-4, PDGFR-α and Ret.

Fuction and Application of Sunitinib Malate:
Sunitinib is available in 12.5-, 25-, and 50-mg capsules fororal administration for the treatment of advanced RCC andGIST upon the failure of imatinib. The agent is a multikinaseinhibitor and has been shown to inhibit PDGF-R,VEGF-R, Kit, RET, and the colony-stimulating factor receptor(CSR-1R). The result of this spectrum of activity isa slowing of tumor progression and inhibition of angiogenesisboth of which are useful in the highly vascularizedcancers, RCC and GIST. The median TTP (time to tumorprogression) was 27.3 weeks for sunitinib and 6.4 weeks with a median time of 24.1 weeks for sunitinib and 6 weeksfor placebo. The agent is well absorbed upon oral administration,and both the parent and major metabolite are highly(90%-95%) protein bound. Metabolism is mediated primarilyby CYP3A4 to give the N-desethyl derivative, which isthe major metabolite (23%-37%), equally active with theparent and undergoes further metabolism by CYP3A4. Theterminal elimination half-life for the parent and N-desethylderivative are 40 to 60 hours and 80 to 110 hours, respectively.Elimination occurs primarily via the feces. Commonadverse effects of sunitinib include fatigue, diarrhea, yellowskin discoloration, anorexia, nausea, and mucositis.Mild myelosuppression has been reported in patients with GIST including neutropenia, lymphopenia, thrombocytopenia,and anemia. There have been reports of cardiotoxicityincluding decreases in left ventricular ejectionfraction, which occurred in 11% of patients during a GISTstudy