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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT02458014
Other study ID # 2014-0844
Secondary ID NCI-2015-0154720
Status Active, not recruiting
Phase Phase 2
First received
Last updated
Start date September 14, 2015
Est. completion date September 30, 2024

Study information

Verified date February 2024
Source M.D. Anderson Cancer Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This phase II trial studies how well blinatumomab works in treating patients with B-cell acute lymphoblastic leukemia whose disease is in remission (causes no symptoms or signs) but is still present in a small number of cells in the body (minimal residual disease). Immunotherapy with monoclonal antibodies, such as blinatumomab, may induce changes in the body's immune system and may interfere with the ability of tumor cells to grow and spread.


Description:

PRIMARY OBJECTIVES: I. To evaluate the clinical efficacy of blinatumomab in patients B-cell acute lymphoblastic leukemia in complete morphologic remission with positive minimal residual disease (MRD) in terms of relapse-free survival (RFS). SECONDARY OBJECTIVES: I. To evaluate other efficacy endpoints such as overall survival and MRD negativity rate by flow cytometry and/or polymerase chain reaction (PCR) overall and after the first cycle, as well as safety of blinatumomab in this setting. OUTLINE: Patients receive blinatumomab intravenously (IV) continuously on days 1-28. Treatment repeats every 6 weeks for up to 5 cycles in the absence of disease progression or unacceptable toxicity. Patients who do not proceed with stem cell transplantation may receive blinatumomab IV maintenance therapy with one cycle every 3 months for up to 4 cycles. Patients who remain in MRD remission for 3 months and then become MRD positive again can be retreated following the same treatment plan previously received. After completion of study treatment, patients are followed up every 6 months.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 36
Est. completion date September 30, 2024
Est. primary completion date September 30, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients with B-lineage acute lymphocytic leukemia (ALL) in hematologic complete remission (CR) with molecular failure (i.e., had never achieved an MRD-negativity status before blinatumomab) or had a molecular relapse (i.e., became MRD positive after having been MRD negative) starting at any time point after 3 months of frontline therapy; molecular disease or minimal residual disease is defined by a value of at least of 1 x 10^-4 (0.01%) by multicolor flow cytometry and/or by next generation sequencing (NGS) - Patients with B-lineage ALL in hematologic complete remission (CR) with molecular failure (i.e., had never achieved an MRD-negativity status before blinatumomab) or had a molecular relapse (i.e., became MRD positive after having been MRD negative) starting at any time point after 3 months of frontline therapy; molecular disease or minimal residual disease is defined by a value of at least of 1 x 10-4 (0.01%) by multicolor flow cytometry and/or by next generation sequencing (NGS) - Performance status of 0, 1, or 2 - Creatinine clearance >= 30 ml/minute - Bilirubin less than or equal to 3.0 mg/dL - No active or co-existing malignancy with life expectancy less than 12 months - Patients with Philadelphia chromosome positive (Ph+) ALL can be enrolled in CR1 or CR2 and beyond; a tyrosine kinase inhibitor (TKI) will be added at the discretion of the treating physician; MRD for these patients will be defined by PCR of 0.1% and above (International Scale) Exclusion Criteria: - Pregnant or nursing women - Known to be human immunodeficiency virus positive (HIV+) - Active and uncontrolled disease/infection as judged by the treating physician - Unable or unwilling to sign the consent form - Active central nervous system (CNS) or extramedullary disease - Monoclonal antibodies therapy within 2 weeks before study entry - Radiotherapy and cancer chemotherapy (except for intrathecal prophylaxis and/or low-dose maintenance therapy such as vinca alkaloids, mercaptopurine, methotrexate, steroids) or any investigational drug within 2 weeks before study entry

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Blinatumomab
Given IV
Other:
Laboratory Biomarker Analysis
Correlative studies

Locations

Country Name City State
United States M D Anderson Cancer Center Houston Texas

Sponsors (2)

Lead Sponsor Collaborator
M.D. Anderson Cancer Center National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Relapse-free survival (RFS) RFS will be estimated using the method of Kaplan and Meier. Will compute the Bayesian posterior probability. As a secondary analysis, will perform a competing risk analysis treating stem cell transplant as a competing event for RFS. In addition, will assess the RFS in the subgroup of patients with minimal residual disease (MRD) positivity in at least marrow complete remission (CR) 2 beyond, or in the subgroup of patients with and without allogenic stem cell transplant (ASCT), if permitted by the sample size. Landmark analysis may be performed to assess the difference in RFS between patients with or without receiving ASCT, if permitted by the sample size. From date of treatment start until the date of death or hematologic or extramedullary disease relapse, assessed up to 18 months
Secondary Event-free survival Defined as RFS in addition to lack of achievement of negative MRD status after 2 cycles of blinatumomab (events will include death, lack of response after 2 cycles, and loss of response/progression, including MRD recurrence). Up to 18 months
Secondary Overall survival (OS) OS will be estimated using the method of Kaplan and Meier. Will assess OS in the subgroup of patients with MRD positivity in at least marrow CR 2 beyond; or in the subgroup of patients with and without ASCT, if permitted by the sample size. Landmark analysis may be performed to assess the difference in OS between patients with or without receiving ASCT, if permitted by the sample size. Up to 18 months
Secondary MRD negativity rate Will be estimated along with the exact 95% confidence interval. Up to 18 months
Secondary MRD negativity rate after course 1 Will be estimated along with the exact 95% confidence interval. Up to 6 weeks
Secondary Incidence of toxicity All treated patients are included in the safety analysis set. The adverse events will be summarized by organ type, grade and attribution to study treatment. Up to 18 months
See also
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