A Phase IIb Study of BPI-7711 Capsule in Non-small Cell Lung Cancer Patients With T790M Mutation Positive

This is a phase IIb, open-label, single arm study assessing the safety and efficacy of BPI-7711 (180 mg, orally, once daily) in China with a confirmed diagnosis of EGFR sensitizing mutation positive and T790M mutation+ unresectable, locally advanced or metastatic NSCLC, who have progressed on prior EGFR-TKIs treatment. The primary objective of the study is to assess the efficacy of BPI-7711 by assessment of ORR according to RECIST 1.1 by an Independent Central Review.