Disitamab Vedotin Combined With SOX Regimen Versus SOX Alone as Adjuvant Therapy for HER2-Moderate/High Expressing Stage Ⅲ Gastric Cancer: A Prospective, Multicenter, Randomized, Phase Ⅱ Clinical Trial

This is a prospective, multicenter, randomized, phase II clinical trial intended to enroll patients with HER2-moderate/high-expressing, pathologically staged stage III gastric cancer who have undergone D2 or more extensive surgery. The study aims to evaluate the preliminary efficacy and safety of disitamab vedotin combined with the SOX regimen versus SOX alone as post-operative adjuvant therapy.