Cetuximab and Bevacizumab as First-Line Therapy Followed By Combination Chemotherapy and Bevacizumab With or Without Cetuximab as Second-Line Therapy in Treating Patients With Stage IV Colorectal Cancer
Colorectal Cancer
About this trial
This is an interventional treatment trial for Colorectal Cancer focused on measuring stage IV colon cancer, stage IV rectal cancer, recurrent colon cancer, recurrent rectal cancer
Eligibility Criteria
DISEASE CHARACTERISTICS:
- Histologically confirmed stage IV colorectal cancer
- Measurable disease, defined as at least one lesion whose longest diameter can be accurately measured as ≥ 2.0 cm by conventional techniques OR ≥ 1.0 cm by spiral CT scan
- Must not be a candidate for neoadjuvant therapy
- No CNS or brain metastases
PATIENT CHARACTERISTICS:
- ECOG performance status 0-2
- Life expectancy ≥ 12 weeks
- ANC ≥ 1,500/mm^3
- Platelet count ≥ 100,000/mm^3
- Hemoglobin ≥ 10.0 g/dL
- Total bilirubin < 1.5 times upper limit of normal (ULN)
- Alkaline phosphatase ≤ 3 times ULN
- AST ≤ 3 times ULN
- Creatinine ≤ 1.5 x times ULN
- Proteinuria < 1+ by urinalysis OR proteinuria < 1 g by 24-hour urine collection
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- English-speaking patients must have the ability to complete questionnaires by themselves or with assistance
- Must be willing to provide blood and tissue samples for research purposes
- No history of hypertensive crisis or hypertensive encephalopathy
- No blood pressure > 150/100 mm Hg
- No New York Heart Association (NYHA) class II-IV congestive heart failure
- No myocardial infarction or unstable angina within the past 6 months
- No stroke or transient ischemic attack within the past 6 months
- No clinically significant vascular disease (e.g., aortic aneurysm or aortic dissection)
- No clinically significant peripheral vascular disease
- No evidence of bleeding diathesis or coagulopathy
- No significant traumatic injury within the past 28 days
- No abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within the past 6 months
- No serious nonhealing wound, ulcer, or bone fracture
PRIOR CONCURRENT THERAPY:
No prior nonsurgical treatment for stage IV disease
- Adjuvant therapy allowed if completed > 6 months prior to study registration
- More than 4 weeks since prior and no concurrent or planned participation in another experimental drug study
- No prior therapy that specifically and directly targets the EGFR pathway
- No prior monoclonal antibody therapy
- More than 28 days since prior major surgery or open biopsy
More than 7 days since prior minor surgery, such as fine-needle aspirations or core biopsies
- Placement of a vascular access device does not have to meet this criterion
- No concurrent major surgery
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Arm I (second-line therapy)
Arm II (second-line therapy)
Patients receive bevacizumab IV over 30-90 minutes, oxaliplatin IV over 2 hours, and leucovorin calcium IV over 2 hours on day 1 and fluorouracil IV over 46 hours beginning on day 1. Treatment repeats every 2 weeks in the absence of disease progression or unacceptable toxicity.
Patients receive bevacizumab and modified FOLFOX7 as in arm I. Patients also receive cetuximab IV over 2 hours on day 1. Treatment repeats every 2 weeks in the absence of disease progression or unacceptable toxicity.