“Advanced gastric cancer remains a significant cause of cancer-related mortality in China and we are pleased that tislelizumab plus chemotherapy demonstrated a meaningful survival benefit for patients whose tumors express PD-L1 in the RATIONALE 305 study,” said Lai Wang, Ph.D., Global Head of R&D at BeiGene. “We are grateful to the patients, investigators, and experts from across the world who took part in the RATIONALE 305 trial and look forward to bringing another immunotherapy-based treatment option to patients in China.”