A phase ll study of Trastuzumab in combination with triweekly S-1 plus CDDP in HER2-positive advanced gastric cancer; OGSG1101, HGCSG1102, T-CORE1101 Intergroup study(HERBIS-1 trial)
2012
Multicenter phase II study of triplet combination chemotherapy with paclitaxel, cisplatin, and S-1 for advanced gastric cancer (OGSG0703)
A Phase I study of triplet combination chemotherapy of paclitaxel, cisplatin and S-1 in patients with advanced gastric cancer
Prospective randomized trial of preoperative enteral immunonutrition followed by elective total gastrectomy for gastric cancer（OGSG0507）
Intraoperative versus extended antimicrobial prophylaxis after gastric cancer surgery: a phase 3, open-label, randomised controlled, non-inferiority trial（OGSG0501）
Phase II trial of preoperative S-1 plus cisplatin followed by surgery for initially unresectable locally advanced gastric cancer（EJSO2012）