NCT04538378 2025-01-27Olaparib (LYNPARZA) Plus Durvalumab (IMFINZI) in EGFR-Mutated Adenocarcinomas That Transform to Small Cell Lung Cancer (SCLC) and Other Neuroendocrine TumorsNational Institutes of Health Clinical Center (CC)Phase 2 Terminated4 enrolled 11 charts