- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00330252
Weekly Subcutaneous Alemtuzumab and Rituximab for Relapsed CLL
Study Overview
Status
Conditions
Intervention / Treatment
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.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Massachusetts
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Boston, Massachusetts, United States, 02215
- Beth Israel Deaconess Medical Center
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Boston, Massachusetts, United States, 02115
- Dana-Farber Cancer Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects must be diagnosed with B-CLL / SLL (B-chronic lymphocytic leukemia / small lymphocytic lymphoma) based on the standard histologic and immunophenotypic criteria described in the WHO classification of lymphoid malignancies, including immunophenotypic confirmation that the tumor cells co-express B cell antigens CD19 / 20 and CD5. Mantle cell lymphoma should be excluded based on positive staining of the tumor cells for CD23, or the absence of staining of the tumor cells for cyclin D1 or the absence of t(11;14).
- The above diagnosis must be confirmed at Brigham & Women's Hospital or Dana-Farber Cancer Institute.
- Subjects must have relapsed after at least one prior fludarabine-containing regimen and require treatment based on NCI-WG criteria (Appendix A).
- Subjects must have measurable disease (lymphocytosis > 5,000 / ml, or palpable lymphadenopathy or CT measurable lymphadenopathy > 1.5 cm, or bone marrow involvement >30%).
- Men and women of reproductive potential must agree to use an acceptable method of birth control during treatment and for six months after completion of treatment.
- Age >= 18
- WHO Performance status <= 2
- Subject has provided written informed consent.
- Expected survival > 3 months
Exclusion Criteria:
- History of HIV
- Active infection uncontrolled by appropriate antibacterial, antiviral or antifungal therapy
- Known CNS involvement with CLL
- Pregnant (a negative serum pregnancy test should be performed for all women of childbearing potential within 7 days of treatment) or currently lactating women
- Prior anti-neoplastic therapy within the last three weeks
- Patients will NOT be excluded because they have received prior rituximab or alemtuzumab
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Alemtuzumab & Rituximab
Alemtuzumab Dosage will vary during Phase I of trial: Given intravenously on days 1, 3, and 5 for weeks one and two, on days 1 and 4 for weeks three and four and on day 1 for weeks five through eight. Participants may receive either one eight-week course of treatment or two eight-week courses of treatment (16 weeks) Rituximab- Given intravenously on day 1 of every week for eight weeks (or 16 weeks) |
Given intravenously on day 1 of every week for eight weeks (or 16 weeks)
Drug: Alemtuzumab Dosage will vary during Phase I of trial: Given intravenously on days 1, 3, and 5 for weeks one and two, on days 1 and 4 for weeks three and four and on day 1 for weeks five through eight.
Participants may receive either one eight-week course of treatment or two eight-week courses of treatment (16 weeks).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Maximum tolerated dose of alemtuzumab given once weekly
Time Frame: 2 years
|
2 years
|
Response rate of combined rituximab and subcutaneous alemtuzumab (complete or partial response)
Time Frame: 2 years
|
2 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Dose limiting toxicities defined as non-hematologic toxicity of grade 3 or greater or irreversible grade 2 renal, neurologic or cardiac toxicity or infectious toxicities if grade 4 or greater
Time Frame: 2 years
|
2 years
|
Dose limiting toxicities defined as hematologic toxicities of grade 3 or greater neutropenia or thrombocytopenia for greater than 2 weeks OR ANC < 250 or platelets < 20,000
Time Frame: 2 years
|
2 years
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Response rate as measured by Chest/abdominal/pelvic (+/- neck) CT 4 to 8 weeks following conclusion of 8 Weeks of therapy or at time of study withdrawal
Time Frame: 2 years
|
2 years
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Response rate as measured by physical exam of lymph nodes at 4 to 8 weeks following conclusion of 8 Weeks of therapy or at time of study withdrawal, then every 3 months until disease progression
Time Frame: 2 years
|
2 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jennifer R Brown, MD, PhD, Dana-Farber Cancer Institute
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Leukemia, B-Cell
- Leukemia
- Leukemia, Lymphocytic, Chronic, B-Cell
- Leukemia, Lymphoid
- Physiological Effects of Drugs
- Antirheumatic Agents
- Antineoplastic Agents
- Immunologic Factors
- Antineoplastic Agents, Immunological
- Rituximab
- Alemtuzumab
Other Study ID Numbers
- 05-404
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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