The purpose of this study is to determine the best confirmed response rate of daily administration of the multiple receptor tyrosine kinase (RTK) inhibitor (including EGFR and VEGFR2) XL647 in subjects with NSCLC who have progressed after responding to treatment with either erlotinib or gefitinib.
Single Group Assignment
There is one SNP
- Subjects must have: 1. documented (radiological or clinical) progressive disease (PD) following a prior response (including stable disease) to monotherapy with erlotinib or gefitinib that was administered for at least 12 weeks prior to progression OR 2. a documented T790M EGFR mutation - Measurable disease defined according to RECIST - ECOG performance status of 0 or 1. - Sexually active subjects must use an accepted method of contraception during the course of the study. --- T790M ---