links for 2009-10-23
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The overall response rate, to date, is 65 percent (20/31 patients [95 percent CI: 45 percent, 81 percent]) and disease control rate (DCR) at 8 weeks is 84 percent (26/31 patients [95 percent CI: 66 percent, 95 percent]). Median PFS has not yet been reached. The median duration of treatment is 24.5+ weeks.
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PF-02341066 is an investigational, selective, ATP-competitive small molecule dual inhibitor of mesenchymal epithelial transition growth factor (c-Met or hepatocyte growth factor) and ALK tyrosine kinases, which are implicated in the progression of several cancers, including NSCLC. A subset of NSCLC patients have been identified whose tumors carry a unique mutation in which the echinoderm microtubule-associated protein-like 4 (EML4) gene is fused to ALK, also known as an EML4-ALK translocation.