Minimal Residual Disease Clinical Trial
Official title:
Phase II Study of Blinatumomab in Patients With B-Cell Lineage Acute Lymphocytic Leukemia With Positive Minimal Residual Disease
Verified date | February 2024 |
Source | M.D. Anderson Cancer Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
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.
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 |
Country | Name | City | State |
---|---|---|---|
United States | M D Anderson Cancer Center | Houston | Texas |
Lead Sponsor | Collaborator |
---|---|
M.D. Anderson Cancer Center | National Cancer Institute (NCI) |
United States,
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 |
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