Volume 100, Issue 7 pp. 1173-1184
RESEARCH ARTICLE

Allogeneic Hematopoietic Stem Cell Transplantation for Elderly Acute Lymphoblastic Leukemia Patients: A Registry Study From the Société Francophone de Greffe de Moelle et Thérapie Cellulaire (SFGM-TC)

Yves Chalandon

Corresponding Author

Yves Chalandon

University Hospital Geneva, Hematology Service and Faculty of Medicine, University of Geneva, Geneva, Switzerland

Correspondence:

Yves Chalandon ([email protected])

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Raynier Devillier

Raynier Devillier

Institut Paoli-Calmettes, Marseille, France

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Ariane Boumendil

Ariane Boumendil

SFGM-TC, Paris, France

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Stephanie Nguyen

Stephanie Nguyen

Hôpital de la Pitié Salpêtrière, Paris, France

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Claude-Eric Bulabois

Claude-Eric Bulabois

CHU Grenoble-Alpes, Grenoble, France

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Patrice Ceballos

Patrice Ceballos

CHU de Montpellier, Montpellier, France

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Eolia Brissot

Eolia Brissot

Sorbonne Université, INSERM UMRs938, Paris, France, Service d'Hématologie Clinique et de Thérapie Cellulaire, Paris, France

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Marie-Thérèse Rubio

Marie-Thérèse Rubio

CHRU de Nancy-Brabois, Nancy, France

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Hélène Labussière-Wallet

Hélène Labussière-Wallet

Hôpital Lyon Sud, Lyon, France

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Johan Maertens

Johan Maertens

UZ Leuven, Leuven, Belgium

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Patrice Chevallier

Patrice Chevallier

CHU Nantes, Nantes, France

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Natacha Maillard

Natacha Maillard

CHU Poitiers, Poitiers, France

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Xavier Poiré

Xavier Poiré

Cliniques Universitaires Saint-Luc, Brussels, Belgium

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Cristina Castilla-Llorente

Cristina Castilla-Llorente

Department of Haematology, Gustave Roussy Cancer Campus, Villejuif, France

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Yves Beguin

Yves Beguin

CHU de Liège, Liège, Belgium

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Jérôme Cornillon

Jérôme Cornillon

CHU St-Etienne, Saint-Etienne, France

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Sébastien Maury

Sébastien Maury

Hôpital Henri-Mondor, Créteil, France

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Tony Marchand

Tony Marchand

CHU Rennes, Rennes, France

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Etienne Daguindau

Etienne Daguindau

CHU de Besançon, Besançon, France

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Jacques-Olivier Bay

Jacques-Olivier Bay

CHU de Clermont-Ferrand, Clermont-Ferrand, France

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Pascal Turlure

Pascal Turlure

Clinical Hematology, Limoges University Hospital, Limoges, France

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Magalie Joris

Magalie Joris

CHU Amiens, Amiens, France

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Anne-Lise Menard

Anne-Lise Menard

Centre Henri Becquerel, Rouen, France

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Karin Bilger

Karin Bilger

CHRU de Strasbourg, Strasbourg, France

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Gaelle Guillerm

Gaelle Guillerm

CHRU de Brest, Brest, France

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Sylvie François

Sylvie François

Maladies du Sang, CHU Angers, Angers, France

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Ali Bazarbachi

Ali Bazarbachi

BMT Program, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon

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Sylvain Chantepie

Sylvain Chantepie

CHU de Caen, Caen, France

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Philippe Lewalle

Philippe Lewalle

Hematology Department, Hôpital Universitaire de Bruxelles (HUB), Institut Jules Bordet, Brussels, Belgium

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Ambroise Marçais

Ambroise Marçais

Hôpital Necker, Paris, France

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Michael Loschi

Michael Loschi

CHU de Nice, Nice, France

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Malek Benakli

Malek Benakli

CPMC d'Alger, Alger, Algeria

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Paul Chauvet

Paul Chauvet

CHU de Lille, Maladies du Sang, Université de Lille, Lille, France

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Edouard Forcade

Edouard Forcade

Service d'Hématologie Clinique et Thérapie Cellulaire, CHU Bordeaux, Bordeaux, France

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Anne Huynh

Anne Huynh

CHU Toulouse, IUCT Oncopôle, Toulouse, France

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Marie Robin

Marie Robin

Hôpital Saint-Louis, APHP, Université de Paris Cité, Paris, France

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Stavroula Masouridi-Levrat

Stavroula Masouridi-Levrat

University Hospital Geneva, Hematology Service and Faculty of Medicine, University of Geneva, Geneva, Switzerland

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First published: 06 May 2025
Citations: 1

Funding: The authors received no specific funding for this work.

Marie Robin and Stavroula Masouridi-Levrat contributed equally to this study.

ABSTRACT

There are very limited data regarding the outcomes of elderly patients with acute lymphoblastic leukemia (ALL) who undergo allogeneic hematopoietic stem cell transplantation (alloHSCT). A total of 316 ALL patients aged ≥ 60 years who underwent alloHSCT between 2010 to 2022 were identified in the SFGM-TC registry. The primary objective was to evaluate progression-free survival (PFS), non-relapse mortality (NRM), relapse incidence (RI), and graft-versus-host disease (GvHD)-free relapse-free survival (GRFS), as well as their risk factors. The median age was 63.8 years (range 60–75.8), 49.8% of patients had Philadelphia-positive B-ALL (Ph + ALL), and 70.9% were in first complete remission (CR1) at transplantation. The donor was an unrelated donor in 52.1%, a matched related donor (MRD) in 26.3%, and a haplo-identical donor in 17.7%. Reduced-intensity conditioning (RIC) was administered to 64.6% of patients, while total body irradiation (TBI) was used in 35.8%. The 3-year overall survival (OS) was 46% (95% CI 40%–53%). The 3-year PFS, NRM, RI, and GRFS were 41% (95% CI 35%–48%), 23% (95% CI 18%–28%), 36% (95% CI 31%–42%), and 30% (95% CI 25%–37%), respectively. Multivariable analyses confirmed poorer OS and PFS in patients with advanced disease, with an HR of 1.79 (95% CI 1.22–2.64), p = 0.0032. Additionally, the ALL subtype significantly impacted outcomes, with an HR of 1.99 (95% CI 1.42–2.79) for non-Ph + ALL. This study suggests that alloHSCT is a viable option for elderly ALL patients, as age itself did not impact outcomes. However, advanced disease and non-Ph + ALL were associated with significantly worse survival.

Conflicts of Interest

Y.C. has received consulting fees for advisory board from MSD, Novartis, Incyte, BMS, Pfizer, Abbvie, Roche, Jazz, Gilead, Amgen, Astra-Zeneca, Servier, Takeda, Pierre Fabre, Medac; travel support from MSD, Roche, Novartis, Pfizer, BMS, Gilead, Amgen, Incyte, Abbvie, Janssen, Astra-Zeneca, Jazz, Pierre Fabre, Sanofi all via the institution. E.F. received funding for congress participation from Alexion, Gilead, Jazz, MSD, Novartis; and honoraria for boards and speaker bureau participation from Alexion, GSK, Novartis, Gilead, Astellas. E.B. received research funding, honorarium, speaker's fees and travel expenses from Novartis, Astellas, Alexion, Jazz Pharmaceuticals, Gilead, MSD, Keocyt, Amgen, Beigen, Pierre Fabre, Pfizer, Celgene/BMS, Sanofi. M.L. received funding for honoraria: Alexion, Astra Zeneca, BMS Celgene, Gilead, GSK, Jazz, Kartos, Medac, MSD, Novartis, Pfizer, Sanofi, Sobi, Telios. T.M. has received consulting fees from Servier, Jazz Pharmaceutical, Sobi, Astellas. Travel support from Servier, Jazz Pharmaceutical. A.H. has received consulting fees advisory board from Jazz, Pfizer, Servier, Novartis, Astellas; Travel support from Medac, Jazz, Neovii all via the Institution. M.R. support for research from Neovii, Medac, Abbvie, Novartis. S.M.-L. received funding for congress participation from Gilead, Jazz, BeiGene, Sanofi all via institution.

Data Availability Statement

As for SFGM-TC Policy, data cannot be shared but are available on reasonable request to: [email protected].

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