https://orcid.org/0000-0002-0883-3942
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Abstract
High-dose cytarabine (HDAC) is conventionally delivered on days 1, 3 and 5 (HDAC-135) as acute myeloid leukemia (AML) post-remission therapy. Limited data is available on alternative HDAC schedules such as HDAC-123 (given consecutively for 3 days). We retrospectively compared the tolerability and efficacy of HDAC-135 and HDAC-123 delivered in sequential cohorts of adult AML patients. Seventy-three patients were included with 33% aged ≥60 years. HDAC-123 was associated with faster hematological recovery, reduced bacteremia and shorter hospitalization. No differences in safety profile or hematological recovery were seen between patients ≥60 years and <60 years receiving HDAC-123 except a shorter median time to neutrophil count recovery after cycle 1 in the latter group. Three patients (8%) receiving HDAC-123, all aged <60 years, required a change in schedule to HDAC-135 due to transient cytarabine-related side effects. HDAC-123 consolidation was well-tolerated by AML patients, including those ≥60 years, and associated with tangible reductions in resource utilization.
Author contributions
R.N. and E.B. collected and analyzed the data. R.N. wrote the manuscript. A.B. conceived of the project. All authors reviewed the data and contributed to critical revision of the manuscript.
Ethics approval and consent to participate
This study was performed with approval by the institutional Human Research Ethics Committee (HREC) and conducted in accordance with the Helsinki Declaration of 1975, as revised in 2008.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data availability statement
The data that support the findings of this study are available from the corresponding author, upon reasonable request.