Management of adult patients with CMML undergoing allo-HCT: recommendations from the EBMT PH&G Committee

Francesco Onida, Nico Gagelmann, Yves Chalandon, Guido Kobbe, Marie Robin, Argiris Symeonidis, Theo de Witte, Raphael Itzykson, Madlen Jentzsch, Uwe Platzbecker, Valeria Santini, Guillermo Sanz, Christof Scheid, Eric Solary, Peter Valent, Raffaela Greco, Isabel Sanchez-Ortega, Ibrahim Yakoub-Agha, Lisa Pleyer

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    Résumé

    Chronic myelomonocytic leukemia (CMML) is a heterogeneous disease presenting with either myeloproliferative or myelodysplastic features. Allogeneic hematopoietic cell transplantation (allo-HCT) remains the only potentially curative option, but the inherent toxicity of this procedure makes the decision to proceed to allo-HCT challenging, particularly because patients with CMML are mostly older and comorbid. Therefore, the decision between a nonintensive treatment approach and allo-HCT represents a delicate balance, especially because prospective randomized studies are lacking and retrospective data in the literature are conflicting. International consensus on the selection of patients and the ideal timing of allo-HCT, specifically in CMML, could not be reached in international recommendations published 6 years ago. Since then, new, CMML-specific data have been published. The European Society for Blood and Marrow Transplantation (EBMT) Practice Harmonization and Guidelines (PH&G) Committee assembled a panel of experts in the field to provide the first best practice recommendations on the role of allo-HCT specifically in CMML. Recommendations were based on the results of an international survey, a comprehensive review of the literature, and expert opinions on the subject, after structured discussion and circulation of recommendations. Algorithms for patient selection, timing of allo-HCT during the course of the disease, pretransplant strategies, allo-HCT modality, as well as posttransplant management for patients with CMML were outlined. The keynote message is, that once a patient has been identified as a transplant candidate, upfront transplantation without prior disease-modifying treatment is preferred to maximize chances of reaching allo-HCT whenever possible, irrespective of bone marrow blast counts.

    langue originaleAnglais
    Pages (de - à)2227-2244
    Nombre de pages18
    journalBlood
    Volume143
    Numéro de publication22
    Les DOIs
    étatPublié - 30 mai 2024

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