BeiGene...announced that the China National Medical Products Administration (NMPA) granted approval for the company’s PD-1 inhibitor, tislelizumab, in combination with fluoropyrimidine and platinum chemotherapy, for the first-line treatment of patients with locally advanced unresectable or metastatic gastric or gastroesophageal junction (G/GEJ) adenocarcinoma with high PD-L1 expression...The approval was based on data from an interim analysis of the global, randomized, double-blind, placebo-controlled RATIONALE 305 trial (NCT03777657) of tislelizumab in combination with chemotherapy in the first-line treatment setting.