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About
RATIONALE: Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Monoclonal antibodies, such as bevacizumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Bevacizumab may also stop the growth of tumor cells by blocking blood flow to the tumor. Giving combination chemotherapy together with bevacizumab may kill more tumor cells.
PURPOSE: This phase II trial is studying the side effects of giving combination chemotherapy together with bevacizumab and to see how well it works in treating patients with metastatic colorectal cancer.
Full description
OBJECTIVES:
Primary
Secondary
OUTLINE: This is a multicenter study. Patients are stratified according to genotype (UCT1A1*1/ UCT1A1*1 vs UCT1A1*1/ UCT1A1*28).
Patients receive bevacizumab IV over 30-90 minutes, irinotecan hydrochloride IV over 90 minutes, leucovorin calcium IV over 2 hours, and fluorouracil IV over 46 hours on day 1. Treatment repeats every 2 weeks in the absence of disease progression or unacceptable toxicity.
Quality of life is assessed at baseline, every 4 courses, and then every 2 months after the completion of study therapy.
After completion of study therapy, patients are followed every 2-3 months.
Enrollment
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS:
Diagnosis of metastatic adenocarcinoma of the colon or rectum
Genotype UGT1A1*1/UGT1A1*1 or UGT1A1*1/ UGT1A1*28
Measurable disease
No original tumor in place
No secondary cerebral metastases
PATIENT CHARACTERISTICS:
Inclusion criteria:
Exclusion criteria:
PRIOR CONCURRENT THERAPY:
No prior chemotherapy for metastatic disease
At least 6 months since prior chemotherapy
No prior irinotecan hydrochloride or bevacizumab
No oral or parenteral anticoagulant therapy within the past 10 days
No major surgery or biopsy within the past 4 weeks
No puncture in the past 7 days
No planned major surgery
No concurrent daily or chronic aspirin (> 325 mg/day), anti-inflammatories, or steroids
No other concurrent anticancer therapy
Primary purpose
Allocation
Interventional model
Masking
86 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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