Phase I Study of S-1 Combined with Irinotecan (CPT-11) in Patients with Advanced Gastric Cancer (OGSG 0002)

Phase I and pharmacokinetic study of S-1 combined with weekly paclitaxel in patients with advanced gastric cancer

Phase I/II multicenter trial of S-1 plus paclitaxel in patients with metastatic gastric cancer: Osaka Gastrointestinal Cancer Chemotheraoy Study Group Study (OGSG 0105)

進行・再発大腸癌に対するCPT-11+UFT/LV併用化学療法の耐容性臨床試験（大阪消化管がん化学療法研究会、OGSG0304)

TS-1/Paclitaxel併用療法における推奨用量と有効性および有害事象（胃癌を対象とした多施設共同I/II相臨床試験 (OGSG0105)

Phase II study of a combination of docetaxel and irinotecan in patients with advanced/recurrent gastric cancer. Osaka Gastrointestinal Cancer Chemotherapy Study Group OGSG

進行再発胃癌に対するTS-1の2週投与1週休薬投与法（OGSG0103）