Effect of additional cytogenetic abnormalities on survival in arsenic trioxide-treated acute promyelocytic leukemia

Zachary D. Epstein-Peterson*, Andriy Derkach, Susan Geyer, Krzysztof Mrózek, Jessica Kohlschmidt, Jae H. Park, Sridevi Rajeeve, Eytan M. Stein, Yanming Zhang, Harry Iland, Lynda J. Campbell, Richard A. Larson, Xavier Poiré, Bayard L. Powell, Wendy Stock, Richard M. Stone, Martin S. Tallman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Frontline arsenic trioxide (ATO)–based treatment regimens achieve high rates of long-term relapse-free survival in treating acute promyelocytic leukemia (APL) and form the current standard of care. Refining prognostic estimates for newly diagnosed patients treated with ATO-containing regimens remains important in continuing to improve outcomes and identify patients who achieve suboptimal outcomes. We performed a pooled analysis of exclusively ATO-treated patients at a single academic institution and from the ALLG APML4 and Alliance C9710 studies to determine the prognostic importance of additional cytogenetic abnormalities and/or complex karyotype. We demonstrated inferior event-free survival for patients harboring complex karyotype (hazard ratio [HR], 3.74; 95% confidence interval [CI], 1.63-8.56; P 5 .002), but not for patients harboring additional cytogenetic abnormalities (HR, 2.13; 95% CI, 0.78-5.82; P 5 .142). These data support a role for full karyotypic analysis of all patients with APL and indicate a need for novel treatment strategies to overcome the adverse effect of APL harboring complex karyotype.

Original languageEnglish (US)
Pages (from-to)3433-3439
Number of pages7
JournalBlood Advances
Volume6
Issue number11
DOIs
StatePublished - Jun 14 2022

Funding

This work was supported by an institutional grant from the National Institutes of Health, National Cancer Institute (NCI) grant P30CA008748; an AACR-AstraZeneca Lymphoma Research Fellowship and support through the Lymphoma Research Foundation’s Lymphoma Scientific Research Mentorship Program and the AIDS Malignancy Consortium’s Domestic Scholar Program (Z.D.EP); and an institutional cancer center grant from the NCI P30 CA008748 (Z.D.E.P., A.D., Y.Z., and M.S.T.). Support for the C9710 trial was provided by a grant from the NCI to Cancer and Leukemia Group B (CALGB; CA31946; Durham, NC) and by NCI grant CA33601 to the CALGB Statistical Center.

ASJC Scopus subject areas

  • Hematology

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