At a glance
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A Phase II Study of Therapy for Pediatric Relapsed or Refractory Precursor B-Cell Acute Lymphoblastic Leukemia and Lymphoma
In Brief
A Phase 2 clinical trial evaluating dexamethasone, vincristine sulfate, and 17 other interventions for Recurrent B-Cell Childhood Acute Lymphoblastic Leukemia and Recurrent Childhood B-Lymphoblastic Lymphoma. Completed, enrolled 80 participants across 3 sites.
Detailed Summary
The overall objective of this protocol is to improve the cure rate of relapsed precursor B-cell acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma. This phase II trial is studying risk-directed therapy for B-lymphoblastic leukemia or lymphoma in first relapse. Standard risk (SR) and high risk (HR) participants will receive different therapy. Treatment will consist of chemotherapy for SR participants, and chemotherapy followed by hematopoietic stem cell transplant (HSCT) for HR in first relapse. Induction therapy consists of three blocks of chemotherapy. The first block is a novel immunotherapy regimen that includes chemotherapy, rituximab and infusion of haploidentical natural killer (NK) cells. SR participants will continue to receive chemotherapy for a total duration of approximately 2 years. HR participants will be candidates for HSCT and will proceed to transplant once a suitable donor is found and their minimal residual disease (MRD) is negative.
Study Details
Timeline
Interventions
given intravenously or orally
given intravenously
given intravenously
given intravenously
given intravenously
given intravenously
given subcutaneously
given intravenously
given intrathecally or intravenously
given orally
given intrathecally or intravenously
given intravenously
given intravenously
given intravenously
undergo allogeneic natural killer cell infusion
correlative studies
given intrathecally
undergo allogeneic HSCT
The mechanism of action of the CliniMACS Cell Selection System is based on magnetic-activated cell sorting (MACS). The CliniMACS device is a powerful tool for the isolation of many cell types from heterogeneous cell mixtures, (e.g. apheresis products). These can then be separated in a magnetic field using an immunomagnetic label specific for the cell type of interest, such as CD3+ human T cells.