LDK378

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Description

LDK378 is a selective small molecule inhibitor of ALK, a target found in metastatic non-small cell lung cancer (NSCLC). LDK378 shows great anti-proliferative activity in Ba/F3-NPM-ALK and Karpas290 cells with IC50 of 26.0 nM and 22.8 nM, compared with IC50 of 319.5 nM and 2477 nM in Ba/F3-Tel-InsR and Ba/F3-WT cells. LDK378 induces a dose-dependent growth inhibition and tumor regression in the Karpas299 and H2228 rat xenograft models, with no body-weight loss. In Phase I trials, LDK378 showed a marked clinical response in 78 patients with anaplastic lymphoma kinase positive (ALK+) metastatic non-small cell lung cancer who had progressed during or after crizotinib therapy or had not been previously treated with crizotinib.

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