A Phase I/II Trial of Chemo-Radiotherapy for Resectable Type 4 or Large Type 3 Gastric Cancer（OGSG1205,OGSG1303）
2017
測定可能病変を有していない進行再発胃癌を対象としたS-1+DTX 療法とS-1+CDDP 療法のランダム化第Ⅱ相試験(HERBIS-3)
A randomized phase II study comparing S-1 plus cisplatin with capecitabine plus cisplatin (HERBIS-4A / OGSG 1105)
Phase II study to examine the efficacy of Oral elemental diet in gastric cancer patients for adjuvant chemotherapy (OGSG 1108)
Phase II study of S-1 plus DTX as first-line treatment for elderly patients with advanced gastric cancer (OGSG0902)
A phase II study to examine the effectiveness of nutritional support with elemental diet for stage II/III gastric cancer patients receiving adjuvant chemotherapy with S-1 (OGSG 1108)
病期IIIA/IIIB胃癌に対する術後補助化学療法としてのドセタキセル+TS1療法の6ヶ月間継続投与のFeasibilityの検討 (OGSG1002)
S-1による胃癌術後補助化学療法患者に対する成分栄養剤(エレンタールⓇ)の有用性に関する第II相臨床試験 (OGSG1108)
高齢者進行胃癌に対するS-1/DTX 療法のPhaseII試験（OGSG0902）の生存成績
Randomized, open-label, phase II study comparing five-weekly S-1 plus cisplatin (SP) with triweekly capecitabine plus cisplatin (XP) in chemotherapy-naïve patients with HER2 negative advanced gastric cancer (AGC) (HERBIS-4A / OGSG 1105)