A randomized non-comparative phase II study of anti–PD-L1 ATEZOLIZUMAB or chemotherapy as second-line therapy in patients with small cell lung cancer: Results from the IFCT-1603 trial

      Background: This randomized Phase II trial sought to evaluate the activity of the engineered PD-L1 antibody ATEZOLIZUMAB (ATZ), as systemic therapy of small cell lung cancer (SCLC) progressing after first line platinum – ETOPOSIDE based chemotherapy (CT).