About this trial
The goal of this clinical trial is to determine whether pediatric B-cell acute lymphoblastic leukemia (B-ALL) patients with negative deep minimal residue disease (MRD) can benefit from blinatumomab treatment.
The main questions it aims to answer are:
1. Whether the application of blinatumomab can improve the long-term survival of next generation sequence (NGS) MRD-positive B-ALL children after consolidation therapy? 2. Whether the application of blinatumomab can benefit the NGS MRD-negative B-ALL children after consolidation therapy?
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Clincial dianogsis of acute lymphoblastic leukemia (B-cell type) by morphology, immunology, cytogenetics, and molecular biology (MICM).
Age ≥1 year and <18 years.
Informed consent signed, with the parents or guardians agreeing to a unified treatment protocol.
Disqualifiers
Age <1 year or ≥18 years.
Immunophenotyping suggests mature B-cell leukemia, mixed-lineage leukemia, or T-cell acute lymphoblastic leukemia.
Secondary leukemia or second tumor, CML blast phase ALL.
Other tumors or immunodeficiency diseases present.
Trial design
Parallel
Treatments tested in this trial
Blinatumomab
DrugThe FDA has approved blinatumomab for post-consolidation treatment in all Ph-negative B-ALL cases, regardless of MRD status. Considering the high cost of blinatumomab and the financial burden on families, we aim to precisely identify the population who would benefit from blinatumomab and provide appropriate treatment.
Treatment groups
Trial outcomes
Primary outcomes
event free survival
Death during induction, abandonment before complete remission, death in continuous complete remission, relapse, and secondary Death during induction, abandonment before complete remission (CR), death in continuous complete remission (CCR), relapse, and secondary malignancies were considered as events in the calculation of EFS probability.
Relapse free survival
RFS was measured by the time from achievement of CR to last follow-up or first relapse and censored at the first event (death, secondary malignancies) except relapse.
Secondary outcomes
Treatment-Related Adverse Events as Assessed by CTCAE v4.0
Locations
Sponsors and contacts
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