Article (Scientific journals)
Improved outcome in children compared to adolescents and young adults after allogeneic hematopoietic stem cell transplant for acute myeloid leukemia: a retrospective study from the Francophone Society of Bone Marrow Transplantation and Cell Therapy (SFGM-TC).
Pochon, Cécile; Detrait, Marie; Dalle, Jean-Hugues et al.
2022In Journal of Cancer Research and Clinical Oncology, 148, p. 2083-2097
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Keywords :
Acute GVHD; Acute myeloblastic leukemia; Adolescent and post-adolescent patients; Allogeneic hematopoietic stem cell transplantation; Children; Chronic GVHD; Outcome; Young adults
Abstract :
[en] BACKGROUND: There are currently few data on the outcome of acute myeloid leukemia (AML) in adolescents after allogeneic HSCT. The aim of this study is to describe the outcome and its specific risk factors for children, adolescents and young adults after a first allogeneic HSCT for AML. METHODS: In this retrospective study, we compared the outcome of AML patients receiving a first allogeneic HSCT between 2005 and 2017 according to their age at transplantation's time: children (< 15 years, n = 564), adolescent and post-adolescent (APA) patients (15-25 years, n = 647) and young adults (26-40 years; n = 1434). RESULTS: With a median follow-up of 4.37 years (min-max 0.18-14.73 years), the probability of 2-year overall survival (OS) was 71.4% in children, 61.1% in APA patients and 62.9% in young adults (p = 0.0009 for intergroup difference). Both relapse and non-relapse mortality (NRM) Cumulative Incidence (CI) estimated at 2 years were different between the age groups (30.8% for children, 35.2% for APA patients and 29.4% for young adults-p = 0.0254, and 7.0% for children, 10.6% for APA patients and 14.2% for young adults, p < 0.0001; respectively). Whilst there was no difference between the three groups for grade I to IV acute GVHD CI at 3 months, the chronic GVHD CI at 2 years was higher in APA patients and young adults (31.4% and 36.4%, respectively) in comparison to the children (17.5%) (p < 0.0001). In multivariable analysis, factors associated with death were AML cytogenetics (HR1.73 [1.29-2.32] for intermediate risk 1, HR 1.50 [1.13-2.01] for intermediate risk 2, HR 2.22 [1.70-2.89] for high cytogenetics risk compared to low risk), use of TBI ≥ 8 Grays (HR 1.33 [1.09-1.61]), disease status at transplant (HR 1.40 [1.10-1.78] for second Complete Remission (CR), HR 2.26 [1.02-4.98] for third CR and HR 3.07 [2.44-3.85] for active disease, compared to first CR), graft source (HR 1.26 [1.05-1.50] for Peripheral Blood Stem Cells compared to Bone Marrow) and donor age (HR 1.01 (1-1.02] by increase of 1 year). CONCLUSION: Age is an independent risk factor for NRM and extensive chronic GVHD. This study suggests that APA patients with AML could be beneficially treated with a chemotherapy-based MAC regimen and bone marrow as a stem cells source.
Disciplines :
Hematology
Author, co-author :
Pochon, Cécile
Detrait, Marie
Dalle, Jean-Hugues
Michel, Gérard
Dhédin, Nathalie
Chalandon, Yves
Brissot, Eolia
Forcade, Edouard
Sirvent, Anne
Izzadifar-Legrand, Faezeh
Michallet, Mauricette
Renard, Cécile
Yakoub-Agha, Ibrahim
Gonzales, Fanny
Bay, Jacques-Olivier
Kanold, Justyna
Cornillon, Jérome
Bulabois, Claude Eric
Angoso, Marie
Nguyen, Stéphanie
Balza, Marie
Chevallier, Patrice
Rialland, Fanny
Bazarbachi, Ali
Beguin, Yves  ;  Université de Liège - ULiège > Département des sciences cliniques > Hématologie
Huynh, Anne
Ménard, Anne-Lise
Schneider, Pascale
Neven, Bénédicte
Paillard, Catherine
Raus, Nicole
Albuisson, Eliane
Remen, Thomas
Rubio, Marie-Thérèse
More authors (24 more) Less
Language :
English
Title :
Improved outcome in children compared to adolescents and young adults after allogeneic hematopoietic stem cell transplant for acute myeloid leukemia: a retrospective study from the Francophone Society of Bone Marrow Transplantation and Cell Therapy (SFGM-TC).
Publication date :
2022
Journal title :
Journal of Cancer Research and Clinical Oncology
ISSN :
0171-5216
Publisher :
Springer, Germany
Volume :
148
Pages :
2083-2097
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
© 2021. The Author(s).
Available on ORBi :
since 12 February 2022

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