Muticenter Phase II Study of 2 Weeks Administration with TS-1 Followed by 1 Week Rest against Metastatic Gastric Cancer

Multi-center, phase II study for combination therapy with pacritaxel/doxifluridine to treat advanced/recurrent gastric cancer showing resistance to S-1（OGSG0302）

胃癌治療に対する大阪消化管がん化学療法研究会(OGSG)の取り組みの現状と展望

進行再発胃癌に対するTXL+CPT-11併用療法の多施設共同第Ⅰ/Ⅱ相試験

進行再発胃癌に対するWeekley投与によるTXL+CPT-11併用療法の第Ⅰ/Ⅱ相臨床試験（OGSG0104）

TS-1抵抗性の進行・再発胃癌に対するPaclitaxel/Doxifluridine併用療法の第Ⅱ相臨床試験（OGSG0302）

Multicenter phase II study of antimicrobial prophylaxis in low-risk patients undergoing distal gastrectomy for gastic cancer

PhaseII study of protracted irinotecan infusion and a low-dose cisplatinfor metastatic gastric cancer

Phase I/II study of combination chemotherapy with UFT/LV + CPT-11 in patients with advanced colorectal cancer (OGSG0303)

Phase I/II Study of weekly Taxol(TXL) plus CPT-11 for patients with advanced/recurrent gastic cancer (AGC/RGC)