Abbreviations
PD, death, MSI-H
VIRUS, DISEASE, MICROSATELLITE INSTABILITY, EPSTEIN, ADVERSE EVENT, ONCOLOGY, CPS, GASTROOESOPHAGEAL JUNCTION CANCER, GASTRIC CANCER
BICR, blinded independent central review; CPS, combined positive score; CR, complete response; DOR, duration of response; EBV, Epstein–Barr virus; ECOG PS, Eastern Cooperative Oncology Group performance status; ERBB2, Erb-B2 receptor tyrosine kinase 2; GC, gastric cancer; GEJC, gastrooesophageal junction cancer; HER2, human epidermal growth factor receptor 2; ITT, intention to treat; MSI, microsatellite instability; MSI-H, high microsatellite instability; ORR, objective response rate; OS, overall survival; PD, progressive disease; PD-1, programmed death 1; PD-L1, programmed death ligand 1; PFS, progression-free survival; PR, partial response; Q3W, every 3 weeks; SD, stable disease; SOC, standard of care; TRAE, treatment-related adverse event