Acute Lymphoblastic Leukemia, Pediatric
Conditions
Brief summary
A retrospective analysis to investigate pediatric B-cell acute lymphoblastic leukemia patients who were treated with blinatumomab for consolidation, and who were detected as minimal residual disease (MRD) positive by next generation sequencing (NGS). The efficacy of blinatumomab clearing MRD detected by NGS will be analyzed, in order to see the potential of using NGS to guide MRD eradication by blinatumomab.
Interventions
IV
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients diagnosed with B cell precursor acute lymphoblastic leukemia * Patients who received blinatumomab for consolidation * Patients who were detected MRD positive by NGS before initiation of blinatumomab treatment
Exclusion criteria
* Patients without data of NGS detection after receiving blinatumomab treatment
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| MRD clearance rate (MRD<0.00001%) | before blinatumomab initiation (baseline), Day 15 of blinatumomab treatment, Day 29 of blinatumomab treatment | The change of MRD will be detected by NGS, with sensitivity of 0.00001% and 0.01%, respectively |