Management of refractory acute lymphoblastic leukemia in children and adolescents: remission re-induction followed by allogeneic hematopoietic stem cell transplantation
DOI:
https://doi.org/10.21320/2500-2139-2013-6-1-53-59Objective: to analyze efficacy of fludarabine- and nelarabine-containing chemotherapy before allogeneic hematopoietic stem cell transplantation (allo-HSCT) in children and adolescents with relapsed and refractory acute lymphoblastic leukemia (ALL) .
Patients and methods: Thirty three patients (pts) with relapsed and refractory ALL from 1 till 21 y.o. (median age was 11,5 y.o.) were treated by fludarabine- (n=23) and nelarabine- (n=10) containing therapy. Subsequently 24 patients underwent allo-HSCT.
Results: CR was achieved in 11(48%) of 23 pts after FLAG±IDA and 7 (70%) of 10 pts after nelarabine-containg regimens. Duration of remissions were 1-18 months (median was 4,9 months).
Overall 3-year survival (OS) after allo-HSCT in remission was 58%, OS after allo-HSCT in relapse was 8%, OS without allo-HSCT was 0%.
Conclusion: Fludarabine- and nelarabine-containing therapy can be used as bridge to allo-HSCT in children and adolescents with poor-prognosis ALL.
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Keywords:
fludarabine, nelarabine, allo-HSCT, relapsed or refractory acute lymphoblastic leukemia, children and adolescents
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