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Combination Chemotherapy in Treating Patients With Stage III Colon Cancer

2014-07-24 14:35:54 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. It is not yet known which chemotherapy regimen is more effective for stage III colon cancer.

PURPOSE: Randomized phase III trial to compare the effectiveness of fluorouracil plus leucovorin with or without irinotecan in treating patients who have undergone surgery for stage III colon cancer.

Description

OBJECTIVES: I. Compare the overall and disease free survival of patients with stage III colon cancer treated with adjuvant fluorouracil and leucovorin calcium with or without irinotecan. II. Assess prognostic markers and correlate their expression with disease free and overall survival of these patients. III. Assess the influence of diet, body mass index, and physical activity on the risk of cancer recurrence and survival in these patients. IV. Assess the influence of diet, obesity, and physical activity on the risk of toxicity associated with adjuvant therapy in these patients. V. Determine whether pathological features (including tumor grade, tumor mitotic (proliferation) index, tumor border configuration, and host lymphoid response to tumor; and lymphatic vessel, venous vessel and perineural invasion) predict outcome in this patient population.

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to lymph node involvement (1-3 vs 4 or more), histology (poorly differentiated or undifferentiated vs well or moderately differentiated), and preoperative serum CEA (less than 5.0 ng/mL vs at least 5.0 ng/mL vs unknown). Study therapy must begin within 21-56 days after surgery. Patients are randomized to one of two treatment arms: Arm I: Patients receive leucovorin calcium IV over 2 hours and fluorouracil IV beginning 1 hour into leucovorin calcium infusion weekly for 6 weeks. Treatment is repeated every 8 weeks for 4 courses. Arm II: Patients receive irinotecan IV over 90 minutes, followed by leucovorin calcium IV, then followed by fluorouracil IV weekly for 4 weeks. Treatment is repeated every 6 weeks for 5 courses. Patients complete a food questionnaire at the beginning of the third course and then at 6 months after study therapy. Patients are followed every 3 months for 2 years, every 4 months for 2 years, then annually thereafter.

PROJECTED ACCRUAL: A total of 1260 patients will be accrued for this study within 3 years.

Study Design

Allocation: Randomized, Primary Purpose: Treatment

Conditions

Colorectal Cancer

Intervention

FOLFIRI regimen, fluorouracil, irinotecan hydrochloride, leucovorin calcium

Location

Veterans Affairs Medical Center - Birmingham
Birmingham
Alabama
United States
35233

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-24T14:35:54-0400

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Medical and Biotech [MESH] Definitions

The active metabolite of FOLIC ACID. Leucovorin is used principally as its calcium salt as an antidote to folic acid antagonists which block the conversion of folic acid to folinic acid.

A naphthalene derivative and CALCIMIMETIC AGENT that increases the sensitivity of PARATHYROID GLAND calcium-sensing receptors to serum calcium. This action reduces parathyroid hormone secretion and decreases serum calcium in the treatment of PARATHYROID DISEASES.

Clusters of colonic crypts that appear different from the surrounding mucosa when visualized after staining. They are of interest as putative precursors to colorectal adenomas and potential biomarkers for colorectal carcinoma.

A phenylethylamine derivative that acts as a calcium antagonist showing hemodynamic effects in patients with acute myocardial infarction.

Tumors or cancer of the COLON or the RECTUM or both. Risk factors for colorectal cancer include chronic ULCERATIVE COLITIS; FAMILIAL POLYPOSIS COLI; exposure to ASBESTOS; and irradiation of the CERVIX UTERI.

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