AZD9291, an Irreversible EGFR-TKI, in Relapsed EGFR-mutated Non-small Cell Lung Cancer Patients Previously Treated With an EGFR-TKI, Coupled to Extensive Translational Studies

Phase II, single-arm study to assess the safety and efficacy of AZD9291 (80 mg, orally, once daily) in second-line (or later) patients with EGFR mutation-positive, locally advanced or metastatic NSCLC, who have progressed following treatment with an approved epidermal growth factor tyrosine kinase inhibitor agent.