Testing of Tazemetostat in Combination With Topotecan and Pembrolizumab in Patients With Recurrent Small Cell Lung Cancer
PRIMARY OBJECTIVES: I. To determine the maximum tolerated dose (MTD) of tazemetostat hydrobromide (tazemetostat) in combination with topotecan hydrochloride (topotecan) and pembrolizumab in patients with recurrent extensive stage-small cell lung cancer (ES-SCLC), by reviewing dose-limiting toxicities (DLTs) in cycle 1 (21 days). (Dose-Escalation Cohort) II. To select the recommended phase...