Adebrelimab Combined With SOX Regimen in Preoperative Neoadjuvant Transformation Therapy for Locally Advanced Gastric Adenocarcinoma

Adebrelimab combined with SOX regimen preoperatively used 3 cycles(stop adebrelimab and S-1/oxaliplatin after 3 cycles and evaluate tumor staging)→ radical surgery (D2) →Postoperative selection of continued medication or cessation of treatment will base on the patient's pathological reports. Surgery should be performed within 3-6 weeks after 3 cycles of preoperative neoadjuvant therapy.

Placebo combined with SOX (S-1/oxaliplatin) regimen preoperatively used 3 cycles (stop placebo and S-1/oxaliplatin after 3 cycles and evaluate tumor staging) → radical surgery (D2) →Postoperative selection of continued medication or cessation of treatment will base on the patient's pathological reports. Surgery should be performed within 3-6 weeks after 3 cycles of preoperative neoadjuvant therapy.