Yesterday, Merck announced that it will voluntarily withdraw the accelerated approval indication of pembrolizumab (Keytruda®, Merck) for patients with recurrent locally advanced/metastatic gastric or gastroesophageal junction adenocarcinoma whose tumors express programmed death-ligand 1 (PD-L1) with a combined positive score (CPS) ≥1 and who experienced disease progression on or after two or more prior lines of therapy, including fluoropyrimidine- and platinum-containing chemotherapy and human e...