Colon Cancer Clinical Trial
Surgery With or Without Thalidomide in Treating Patients With Recurrent or Metastatic Colorectal Cancer
Summary
RATIONALE: Thalidomide may stop the growth of colorectal cancer by stopping blood flow to the tumor. Giving thalidomide after surgery may kill any remaining tumor cells.
PURPOSE: This randomized phase II trial is studying surgery and thalidomide to see how well they work compared to surgery alone in treating patients with recurrent or metastatic colorectal cancer.
Full Description
OBJECTIVES:
Compare the disease-free survival probability in patients with previously resected recurrent or metastatic colorectal carcinoma treated with adjuvant thalidomide vs placebo.
Compare the time to recurrence in patients treated with these regimens.
Determine whether serum/plasma levels of vascular endothelial growth factor and basic fibroblast growth factor preresection and postresection correlate with tumor recurrence and determine if these levels, as well as carcinoembryonic antigen (CEA) measurements, aid in predicting time to recurrence in these patients.
Determine the pharmacokinetics and toxicity of long-term thalidomide therapy in these patients.
Determine whether patients receiving thalidomide develop measurable antiangiogenic activity.
Measure the presence of circulating tumor cells preresection and postresection and determine if this type of analysis can be used to predict recurrence in this patient population.
OUTLINE: This is a randomized, double-blind, placebo-controlled study. Patients are stratified according to site of most recent lesion resection that rendered no evidence of disease (lung vs liver with no more than 3 lesions vs liver with more than 3 lesions vs lung and liver vs all other sites[including sites that were both resected and ablated]). Patients without evidence of residual disease are randomized to one of two treatment arms.
Arm I: Patients receive oral thalidomide once daily.
Arm II: Patients receive an oral placebo once daily. Treatment continues in both arms for 2 years in the absence of unacceptable toxicity or disease progression.
Patients are followed every 3 months for up to 3 years.
PROJECTED ACCRUAL: A total of 94 patients (47 per treatment arm) will be accrued for this study within 3 years.
Eligibility Criteria
DISEASE CHARACTERISTICS:
Diagnosis of recurrent or metastatic colorectal carcinoma previously resected within 12 weeks of study entry
Surgical resection combined with radiofrequency ablation allowed
PATIENT CHARACTERISTICS:
Age:
18 and over
Performance status:
Not specified
Life expectancy:
Not specified
Hematopoietic:
Hemoglobin at least 8.0 g/dL
Absolute neutrophil count at least 1,000/mm^3
Platelet count at least 100,000/mm^3
Hepatic:
Partial thromboplastin time (PTT)/prothrombin time (PT) no greater than 120% of control (except in therapeutically anticoagulated nonrelated medical conditions [e.g., atrial fibrillation])
Total bilirubin no greater than 2.0 mg/dL (direct bilirubin no greater than 1.0 mg/dL for patients with Gilbert's syndrome)
Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) less than 2.5 times normal
No history of hepatic cirrhosis
No concurrent hepatic dysfunction
Renal:
Creatinine no greater than 2.0 mg/dL
Cardiovascular:
No severe congestive heart failure or active ischemic heart disease
No active clots within 1 year before diagnosis OR must be receiving concurrent treatment with anticoagulant (e.g., low molecular weight heparin or equivalent agent)
Other:
Not pregnant or nursing
Negative pregnancy test
Fertile patients must use 1 highly effective method of contraception AND 1 additional effective method of contraception for least 4 weeks before, during, and for at least 4 weeks after study participation
No history of severe hypothyroidism
No history of seizures
No significant history of other medical problems that would preclude surgery
No peripheral neuropathy greater than grade 1, except localized neuropathy due to a mechanical cause or trauma
PRIOR CONCURRENT THERAPY:
Biologic therapy:
At least 4 weeks since prior biologic therapy
Chemotherapy:
At least 4 weeks since prior chemotherapy
Endocrine therapy:
Not specified
Radiotherapy:
At least 4 weeks since prior radiotherapy
Surgery:
See Disease Characteristics
Other:
See Cardiovascular
No concurrent sedating drugs that cannot be reduced to a minimal level
No concurrent sedating recreational drugs or alcohol
No concurrent antiseizure medications
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There are 6 Locations for this study
Goshen Indiana, 46526, United States
Bethesda Maryland, 20817, United States
Bethesda Maryland, 20892, United States
Winston-Salem North Carolina, 27157, United States
Cincinnati Ohio, 45267, United States
Pittsburgh Pennsylvania, 15213, United States
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