Overview Docetaxel+Oxaliplatin+S-1 (DOS) Regimen as Neoadjuvant Chemotherapy in Advanced Gastric Cancer Status: Active, not recruiting Trial end date: 2022-01-02 Target enrollment: Participant gender: Summary Primary Objective: - To compare the 3-year progression free survival (PFS) in the two treatment arms. Secondary Objectives: - Overall survival (OS). - Postoperative pathological stage and R0 (complete) resection rate. - Safety: Toxicities associated with neoadjuvant chemotherapy, surgery, morbidity/mortality, toxicity of adjuvant chemotherapy. Phase: Phase 3 Details Lead Sponsor: SanofiTreatments: DocetaxelFluorouracilOxaliplatinTegafur