RecruitingPhase 2Drug trialSHR-1701 With or Without Apatinib in Combination With Chemotherapy as Neoadjuvant Therapy for Gastric CancerThis study is a multicenter, randomized, two-cohort clinical trial to evaluate the efficacy and safety of SHR-1701 with or without apatinib in combined with chemotherapy of neoadjuvant treatment for resectable locally advanced gastric or gastroesophageal junction adenocarcinoma.