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Safety and Efficacy Study of Iodine-131 Anti-B1 Antibody for Chronic Lymphocytic Leukemia

The recruitment status of this study is unknown because the information has not been verified recently.
Verified August 2004 by Corixa Corporation.
Recruitment status was  Active, not recruiting
Sponsor:
Collaborator:
GlaxoSmithKline
Information provided by:
Corixa Corporation
ClinicalTrials.gov Identifier:
NCT00022880
First received: August 15, 2001
Last updated: June 23, 2005
Last verified: August 2004

August 15, 2001
June 23, 2005
July 1999
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Complete list of historical versions of study NCT00022880 on ClinicalTrials.gov Archive Site
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Safety and Efficacy Study of Iodine-131 Anti-B1 Antibody for Chronic Lymphocytic Leukemia
A Phase I, Dose-Escalation, Open-Label, Multicenter Study of Iodine-131, Anti-B1 Antibody for Intermediate- and High-Risk B-Cell Chronic Lymphocytic Leukemia

The purpose of this study is to test the safety of Iodine-131 Anti-B1 Antibody, to see what effects it has on patients with CLL and to determine the highest dose of Iodine-131 Anti-B1 Antibody that can be given without causing severe side effects.

The primary endpoint is to determine the maximum tolerated dose of Iodine-131 Anti-B1 Antibody in patients with CLL. Secondary endpoints include assessment of response rate, duration of response, relapse free survival, time to treatment failure, safety, and survival.

The dose escalation will be started at 35cGy for patients with platelet counts > 100,000 cells/mm3 (Cohort A) and increased by groups in 10cGy increments until the maximum tolerated dose (MTD) is reached. Subsequently, patients with platelet counts from 75,000-100,000 cells/mm3 (Cohort B) will be enrolled starting at 10cGy below the MTD reached in Cohort A and the dose will be escalated in 10cGy increments up to the MTD.

Interventional
Phase 1
Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Chronic Lymphocytic Leukemia
Drug: Iodine-131 Anti-B1 Antibody
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Active, not recruiting
30
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Inclusion Criteria:

  • Patients must fulfill the criteria for the diagnosis of intermediate-risk B-cell CLL or high-risk B-cell CLL
  • The bone marrow aspirate must demonstrate that greater than or equal to 30% of all nucleated cells are lymphoid.
  • Patients must have evidence that their leukemic lymphocytes express the CD20 antigen.
  • Patients must have been previously treated with chemotherapy or biologic therapy and have progressed on, failed to achieve an objective response (CR or partial response [PR]) on, or progressed after completion of last therapy. Patients must have received at least one therapy containing a purine nucleoside analogue. Patients must not have received more than 4 prior therapies. This includes both chemotherapy and biologic therapy.
  • Patients must have an absolute granulocyte count >500 cells/mm3 and a platelet count of either >100,000 cells/mm3 (Cohort A) or a platelet count of 75,000-100,000 cells/mm3 deemed to be secondary to CLL by the investigator, (Cohort B) within 14 days of study entry. These blood counts must be sustained for 4 weeks without support of hematopoietic cytokines or transfusion of blood products.
  • Patients must have a Karnofsky Performance status of at least 60% and an anticipated survival of at least 3 months.
  • Patients must have adequate renal function (defined as serum creatinine <1.5 x upper limit of normal [ULN]) and hepatic function (defined as total bilirubin <1.5 x ULN and AST <3 x ULN) within 14 days of study entry. For patients with autoimmune hemolytic anemia, the bilirubin must be less than or equal to 8 x ULN.

Exclusion Criteria:

  • Patients who have received prior therapy with cytotoxic chemotherapy or immunosuppressants (with the exception of maintenance prednisone therapy not to exceed a dose of 20 mg/day for autoimmune hemolysis only) within FOUR weeks prior to study entry (6 weeks for nitrosourea compounds) or who exhibit persistent clinical evidence of toxicity. The prednisone must have been started more than 4 weeks prior to study entry.
  • Patients with progressive disease within 1 year of irradiation arising in a field that has been previously irradiated with >3500 cGy.
  • Patients with New York Heart Association class III or IV heart disease or other serious illness that would preclude evaluation.
  • Patients with active obstructive hydronephrosis.
  • Patients with prior malignancy other than CLL, except for adequately treated skin cancer, in situ cervical cancer, or other cancer for which the patient has been disease-free for 5 years. Patients who have been disease-free of another cancer for greater than 5 years must be carefully assessed at the time of study entry to rule out recurrent disease.
  • Patients with known HIV infection.
  • Patients who are pregnant or nursing. Patients of childbearing potential must undergo a serum pregnancy test within 7 days prior to study entry. Males and females must agree to use a contraceptive method from enrollment to 6 months after receiving Iodine-131 Anti-B1 Antibody.
  • Patients who are concurrently receiving either approved or non-approved (through another protocol) anti-cancer drugs or biologics.
  • Patients with evidence of active infection requiring intravenous treatment with anti-infectives.
  • Patients known to be HAMA positive.
Both
18 Years and older
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00022880
CP-98-018
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Corixa Corporation
GlaxoSmithKline
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Corixa Corporation
August 2004

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP