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Clinical Trial Summary

RATIONALE: Monoclonal antibodies, such as alemtuzumab and rituximab, can block cancer growth in different ways. Some block the ability of cancer cells to grow and spread. Others find cancer cells and help kill them or carry cancer-killing substances to them. Giving alemtuzumab together with rituximab may kill more cancer cells. PURPOSE: This phase II trial is studying the side effects of giving alemtuzumab together with rituximab and to see how well it works in treating patients with previously untreated B-cell chronic lymphocytic leukemia.


Clinical Trial Description

OBJECTIVES: - To determine the response rate in patients with previously untreated B-cell chronic lymphocytic leukemia treated with alemtuzumab and rituximab. - To evaluate the toxicity of alemtuzumab and rituximab in these patients. OUTLINE: Patients receive alemtuzumab subcutaneously on days 1, 3, and 5 in weeks 1-18 and rituximab IV on day 1 in weeks 3, 5, 7, 9, 11, 13, 15, and 17 in the absence of disease progression or unacceptable toxicity. Peripheral blood and bone marrow samples are collected periodically for laboratory biomarker studies. Samples are analyzed for surface markers (e.g., CD3, CD4, CD8, CD10, CD19, CD20, CD25, CD38, CD52, Zap-70) and IgVH by PCR, flow cytometry, and FISH. Samples are also analyzed for alemtuzumab and anti-alemtuzumab antibody levels by flow cytometry. After completion of study treatment, patients are followed periodically for 5 years. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00858117
Study type Interventional
Source Northwestern University
Contact
Status Completed
Phase Phase 2
Start date September 26, 2005
Completion date January 24, 2013

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