Biotechnology The Phase III KEYLYNK-006 trial evaluating Keytruda (pembrolizumab), Merck & Co’s anti-PD-1 therapy, in combination with maintenance Lynparza (olaparib), a PARP inhibitor, did not meet its dual primary endpoints of overall survival (OS) and progression-free survival (PFS) for the first-line treatment of certain patients with metastatic non-squamous non-small cell lung cancer (NSCLC). 22 March 2024