Pembrolizumab or Pembrolizumab Plus Chemotherapy vs Chemotherapy Alone for Gastric Cancer
This phase 3, randomized, controlled, partially blinded interventional study evaluates the antitumor activity of pembrolizumab, pembrolizumab plus chemotherapy, or chemotherapy alone in patients with untreated, advanced gastric/gastroesophageal junction cancer with PD-L1 combined positive score ≥1.