Phase II/III Trial of CPT-11/5-FU/l-LV Versus CPT-11/TS-1 as Second Line Chemotherapy of Unresectable Colorectal Cancer

TS-1 was administered orally at 40-60 mg twice daily for 14 days with a rest period of 14 days as one course. CPT-11 was administered intravenously 125 mg per square meter at day1 and day14 in 4 weeks as one course.

Patients were administered FOLFIRI every 2 weeks in one course. FOLFIRI:CPT-11 150 mg per square meter on day1 with l-LV 200 mg per square meter administered as a 2-hour infusion before 5-FU 400 mg per square meter administered as an intravenous bolus injection, and 5-FU 2400 mg per square meter as a 46-hour infusion immediately after 5-FU bolus injection on day1 in 2 weeks.