Mitoxantrone and Cytarabine Induction, High-Dose Cytarabine, and Etoposide Intensification for Pediatric Patients With Relapsed or Refractory Acute Myeloid Leukemia: Children’s Cancer Group Study 2951

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Abstract
Purpose: To evaluate the response rate, survival, and toxicity of mitoxantrone and cytarabine induction, high-dose cytarabine and etoposide intensification, and further consolidation/maintenance therapies, including bone marrow transplantation, in children with relapsed, refractory, or secondary acute myeloid leukemia (AML). To evaluate response to 2-chlorodeoxyadenosine (2-CDA) and etoposide (VP-16) in patients who did not respond to mitoxantrone and cytarabine. Patients and Methods: Patients with relapsed/refractory AML (n = 101) and secondary AML (n = 13) were entered. Results: Mitoxantrone and cytarabine induction achieved a remission rate of 76% for relapsed/refractory patients and 77% for patients with secondary AML, with a 3% induction mortality rate. Cytarabine and etoposide intensification exceeded the acceptable toxic death rate of 10%. The response rate of 2-CDA/VP-16 was 8%. Two-year overall survival was estimated at 24% and was better than historical control data. Patients with secondary AML ...

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