Spots Global Cancer Trial Database for Radiation Therapy Before Surgery Compared With Chemotherapy Plus Radiation After Surgery in Treating Patients With Rectal Cancer That Can Be Surgically Removed

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Trial Identification

Brief Title: Radiation Therapy Before Surgery Compared With Chemotherapy Plus Radiation After Surgery in Treating Patients With Rectal Cancer That Can Be Surgically Removed

Official Title: A Randomised Trial Comparing Pre-Operative Radiotherapy and Selective Post-Operative Chemoradiotherapy in Rectal Cancer

Study ID: NCT00003422

Conditions

Colorectal Cancer

Interventions

Study Description

Brief Summary: RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. It is not yet known whether giving radiation therapy before surgery is more effective than giving chemotherapy plus radiation therapy after surgery in treating patients with rectal cancer. PURPOSE: This randomized phase III trial is studying radiation therapy given before surgery to see how well it works compared to chemotherapy and radiation therapy given after surgery in treating patients with rectal cancer that can be surgically removed.

Detailed Description: OBJECTIVES: * Compare local recurrence free rates and quality of life in patients with operable rectal cancer receiving preoperative radiotherapy versus patients receiving selective postoperative chemoradiotherapy. * Determine local recurrence free survival, overall survival, time to appearance of distant metastases, disease free survival and morbidity in these patients. OUTLINE: This is a randomized, multicenter study. Patients are stratified by a number of factors including surgeon. Patients are randomized to receive preoperative radiotherapy (arm I) or postoperative chemoradiotherapy (arm II). * Arm I: Patients receive radiotherapy in 5 fractions over 1 week prior to surgery. Patients undergo surgery within 7 days of the last fraction of radiotherapy. * Arm II: Patients receive chemoradiotherapy 4-12 weeks after surgery (if circumferential resection margins are histologically involved by tumor). Radiotherapy is administered in 25 fractions over 5 weeks (5 days per week). During radiotherapy, patients either receive fluorouracil (5-FU) continuous infusion, 5-FU bolus IV and leucovorin calcium IV weekly, or a 5-day bolus schedule of 5-FU and leucovorin calcium. Patients may then receive adjuvant chemotherapy as per local policy. Quality of life assessments are made every 3 months for 1 year and then every 6 months for the next 2 years. Patients are followed every 3 months for 1 year, every 6 months for 2 years, and then annually thereafter. PROJECTED ACCRUAL: Approximately 1800 patients will be accrued into this study.