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Brief Title: Weekly Subcutaneous Alemtuzumab and Rituximab for Relapsed CLL
Official Title: Weekly Subcutaneous Alemtuzumab and Rituximab for Relapsed CLL
Study ID: NCT00330252
Brief Summary: The purpose of this study is to determine whether the combination of alemtuzumab and rituximab is safe and effective in treating patients with relapsed Chronic Lymphocytic Leukemia (CLL) and to determine whether alemtuzumab can be given as a single weekly subcutaneous dose, together with rituximab.
Detailed Description: This study proposes to combine alemtuzumab, which effectively treats peripheral blood and bone marrow disease in CLL, with rituximab, which has activity in lymph node disease, in a streamlined and convenient administration schedule. Preclinical data support synergistic interaction of the two. The primary objectives are (1) to determine the overall and complete response (CR) rate in patients with relapsed CLL and to determine the safety of the combination, and (2) the safety of higher doses of alemtuzumab at less frequent intervals. Secondary objectives are (1) to describe the duration of response, progression-free survival, and overall survival in patients not proceeding to allo transplant, (2) to determine the improvement in overall and complete response associated with administration of a 2nd eight week course of therapy, and (3) to assess minimal residual disease in certain patients and to correlate those results with survival. If at least 16 responses are observed among 35 patients, then the treatment will be considered promising. The development of antibody therapies has held promise for CLL, since CLL therapies have been palliative, with no established therapy shown to improve survival. Studies have suggested that in contrast to what is seen with fludarabine and alkylating agents, response rates to alemtuzumab are maintained in CLL subjects with P53 mutations. Tolerability of rituximab and its major activity in nodes make it an attractive candidate for combination with alemtuzumab. This is a single center (DF/HCC), single arm, multi cohort, phase I study, with treatment on an outpatient basis. If the initial alemtuzumab dose of 30 mg sc d1, 3,and 5 is tolerated, there will be dose escalations in cohorts of 3, up to 90 mg d1 per week. Following determination of a maximum tolerated dose, accrual of all remaining patients will occur at that dose. Subjects will be restaged after 8 weeks of therapy, and may proceed to transplant. If deriving benefit, but not in CR, subjects may receive another 8 weeks of therapy.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
Name: Jennifer R Brown, MD, PhD
Affiliation: Dana-Farber Cancer Institute
Role: PRINCIPAL_INVESTIGATOR