Сунитиниб

Описание

Sunitinib is an inhibitor of multiple receptor tyrosine kinases (RTKs) involved in tumor proliferation and angiogenesis, including platelet-derived growth factor receptors (PDGFR), vascular endothelial growth factor receptors (VEGFR), and stem cell factor receptor (KIT). It was launched as an oral treatment for gastrointestinal stromal tumors (GIST) and advanced renal-cell carcinoma (RCC). In vitro, sunitib inhibits VEGFR2, PDGFRα, PDGFRβ, KIT, and FLT3 receptors with IC₅₀ values in the 4–14nM range, and the ligand-dependent autophosphorylation of VEGFR2 and PDGFRb with IC₅₀s of approximately 10 nM. In addition, it inhibits the growth of tumor cells expressing dysregulated target RTKs in vitro and inhibits PDGFRb- and VEGFR2-dependent tumor angiogenesis in vivo. Sunitinib exhibits broad and potent antitumor activity, causing regression in murine models of human epidermal (A431), colon (Colo205 and HT-29), lung (NCI-H226 and H460), breast (MDA-MB-435), prostate (PC3-3M-luc), and renal (786-O) cancers, and suppressing or delaying the growth of many others, including the C6 rat and SF763 T human glioma xenografts and B16 melanoma lung cancer.

Химические свойства

Yellow Solid

Использование

Sunitinib Malate (Sutent, SU11248) is a multi-targeted RTK inhibitor targeting VEGFR2 (Flk-1) and PDGFRβ with IC50 of 80 nM and 2 nM, and also inhibits c-Kit.

Характеристики

Class: receptor tyrosine kinase
Treatment: RCC, GIST
Elimination half-life = 70 h
Protein binding = 95%