This was an open-label, multi-center phase II study evaluating the safety and efficacy of Cadonilimab +AK117+ XELOX as 1L therapy in advanced HER2(-) G/GEJ adenocarcinoma….Of 8 response-evaluable pts...the ORR by investigator was 75% (6 PRs), tumor shrinkage exceeding 50% was observed in 5 pts (62.5%). The DCR was 100% (8/8)....The study of Cadonilimab combined with AK117 and chemotherapy demonstrated tolerable safety profile and encouraging anti-tumor activities in pts with unresectable locally advanced or metastatic HER2(-) G/GEJ cancer.