Merck...announced that the European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion recommending approval of KEYTRUDA, Merck’s anti-PD-1 therapy, in combination with fluoropyrimidine- and platinum-containing chemotherapy, for the first-line treatment of locally advanced unresectable or metastatic HER2-negative gastric or gastroesophageal junction (GEJ) adenocarcinoma in adults whose tumors express PD-L1 (Combined Positive Score [CPS] ≥1)...The recommendation is based on results from the Phase 3 KEYNOTE-859 trial in which KEYTRUDA in combination with chemotherapy demonstrated a statistically significant improvement in overall survival versus chemotherapy alone in patients whose tumors expressed PD-L1 (CPS ≥1).