Acute megakaryoblastic leukemia (excluding Down syndrome) remains an acute myeloid subgroup with inferior outcome in the French ELAM02 trial

Anne Charlotte Teyssier, Hélène Lapillonne, Marlene Pasquet, Paola Ballerini, André Baruchel, Stephane Ducassou, Odile Fenneteau, Arnaud Petit, Wendy Cuccuini, Christine Ragu, Claude Preudhomme, Thomas Mercher, Nicolas Sirvent, Guy Leverger

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    Abstract

    We report the outcome of 27 children with de novo acute megakaryoblastic leukemia (AMKL) (excluding Down syndrome) enrolled in the French multicenter prospective study ELAM02 (2005-2011). There was no difference in gender, initial leukocyte count, CNS involvement, and complete remission rate (88.9%), as compared to other acute myeloid leukemia (AML) subtypes. AMKL patients had a significantly poorer outcome (5-year overall survival 54% [CI 95% 33%–71%] than children with other AML subtypes (5-year overall survival 73% [CI 95% 68%–77%] p = 0.02). Gender, age, CNS leukemia, hyperleukocytosis, complete remission or cytogenetic subgroups were not significant prognostic factors of disease-free survival. AMKL (excluding Down syndrom) remains an AML subgroup with inferior outcome.

    Original languageEnglish
    Pages (from-to)425-427
    Number of pages3
    JournalPediatric Hematology and Oncology
    Volume34
    Issue number8
    DOIs
    Publication statusPublished - 17 Nov 2017

    Keywords

    • AMKL
    • ELAM02
    • pediatric acute megakaryoblastic leukemia

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