Rectal Cancer Clinical Trial
Official title:
A Randomized Phase II Study of Neoadjuvant Chemoradiotherapy With 5-FU/Leucovorin (FL) vs. TS-1/Irinotecan in Patients With Locally Advanced Rectal Cancer
This is an open-label, randomized phase II study. Patients will be randomly assigned to either FL or TS-1/irinotecan preoperative chemotherapy regimens by stratification. Patients in FL group will be treated with bolus injections of 5-FU 400 mg/m2/day and LV 20 mg/m2/day for 3 consecutive days every 4 weeks for 2 cycles, and patients in TS-1/irinotecan will be treated with irinotecan 40 mg/m2/day on days 1, 8, 15, 22, 29. TS-1 at a dose of 35mg/m2 was administered orally twice a day after a meal on the day of irradiation (Monday-Friday) concurrent with radiotherapy.
This is an open-label, randomized phase II study. Patients will be randomly assigned to either FL or TS-1/irinotecan preoperative chemotherapy regimens by stratification. Patients in FL group will be treated with bolus injections of 5-FU 400 mg/m2/day and LV 20 mg/m2/day for 3 consecutive days every 4 weeks for 2 cycles, and patients in TS-1/irinotecan will be treated with irinotecan 40 mg/m2/day on days 1, 8, 15, 22, 29. TS-1 at a dose of 35mg/m2 was administered orally twice a day after a meal on the day of irradiation (Monday-Friday) concurrent with radiotherapy. Total 45-50.4 Gy radiations in 25-28 fractions to tumor and draining lymph nodes will be delivered concurrently. Curative surgery (especially total mesorectal excision will be considered as 1st choice of surgical procedure) will be performed for about 4-8 weeks after the completion of chemoradiotherapy. Postoperative chemotherapy regimen is 5-FU plus leucovorin. ;
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Treatment
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