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Ref Type Journal Article
PMID (30210922)
Authors Wang L, Gao M, Tong M, Xie C, He Y, Fu L, Li Y, Fu H, Lou L
Title Pharmacologic characterization of CT-711, a novel dual inhibitor of ALK and c-Met.
URL
Abstract Text Anaplastic lymphoma kinase (ALK) is a validated molecular target for patients harboring ALK rearrangement, which triggers the development of ALK inhibitors. However, the activation of mesenchymal-epithelial transition factor (c-Met) has emerged as a common cause of acquired resistance induced by selective ALK inhibitors. Herein, we report the first preclinical characterization of CT-711, a novel dual inhibitor of ALK and c-Met. CT-711 demonstrates potent inhibitory activity against ALK kinase activity. Moreover, CT-711 profoundly inhibits ALK signal transduction and thereby induces G1 phase arrest and apoptosis, and results in remarkable anti-proliferative activity against ALK-driven cancer cells. Furthermore, CT-711 effectively inhibits c-Met kinase activity and potently overcomes the resistance mediated by c-Met activation. When orally administered to nude mice bearing xenografts, CT-711 exhibits favorable pharmacokinetic properties and robust antitumor activity. It is noteworthy that CT-711 is superior to crizotinib, the first-in-class ALK inhibitor, in the treatment of ALK-driven cancers in various models. The results of the current study provide a solid foundation for the clinical investigation of CT-711 in patients with tumors harboring ALK rearrangement.

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