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. 2025 Aug 20.
doi: 10.1038/s41409-025-02695-y. Online ahead of print.

Autologous haematopoietic stem cell transplantation for rheumatic diseases: best practice recommendations from the EBMT Practice Harmonization and Guidelines Committee

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Autologous haematopoietic stem cell transplantation for rheumatic diseases: best practice recommendations from the EBMT Practice Harmonization and Guidelines Committee

Tobias Alexander et al. Bone Marrow Transplant. .

Abstract

Immune-mediated rheumatologic and musculoskeletal diseases (RMDs) comprise a heterogeneous group of systemic conditions that affect the connective tissues of the musculoskeletal system and internal organs. Immune-mediated RMDs are driven by chronic autoimmune responses and typically require continuous or repeated administration of immunosuppressive or biologic disease-modifying drugs. Although generally effective, these therapies can cause both short- and long-term side effects and may fail to control the disease with risk of irreversible tissue damage. For such patients, haematopoietic stem cell transplantation (HSCT) has been successfully employed over the past 30 years, but this procedure requires caution due to significant side effects. To address these aspects, updated recommendations for the use of HSCT in RMDs have been developed in collaboration with an international expert panel from the European Society for Blood and Marrow Transplantation (EBMT). The panel reviewed all available evidence regarding HSCT application since 2004. Based on this review, EBMT expert-based consensus recommendations were formulated to guide best practices and ensure high-quality patient care. These recommendations include detailed indications, contraindications, and cautionary notes specific to each RMD, along with comprehensive protocols for diagnostic work-up. They are intended to support clinicians, scientists, patients, and caregivers in the field of RMDs.

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Conflict of interest statement

Competing interests: TA received Honoria from Abbvie, Amgen, AstraZeneca and GSK study support from Johnson & Johnson. RG discloses speaking honoraria from Biotest, Pfizer, Medac, Neovii, Kyverna and Magenta. RB is CEO of Genani Corporation, Chicago, Illinois. FM received honoraria & Travel Support from BMS, Janssen, Kite/Gilead, Miltenyi, Novartis, Received Research Support from Kite/Gilead. JAS discloses consultancy for BMS, Medac, Vertex and Jazz. JH discloses consultancy for Miltenyi and Neovii. JS discloses research support from Boehringer Ingelheim and Miltenyi. RC discloses consultancy for AstraZeneca, Celgene, GSK, Janssen, ElyLilly, Pfizer, UCB, Rubió and Werfen. PA reports no conflict of interest; he discloses travel support and speaker honoraria from unrestricted educational activities organized by Novartis, Bayer HealthCare, Bayer Pharma, Biogen Idec, Merck-Serono and Sanofi Aventis and consulting to Magenta Therapeutics, Jasper Therapeutics and Cellerys AG. ER discloses speaking honoraria by Janssen Pharmaceutica. AR discloses speaker honoraria from Gilead. The remaining authors have nothing to declare. JM discloses speaker honoria from Medac and Pfizer. JVR discloses speaker honoraria from Janssen-Cilag, Boehringer-Ingelheim, Pfizer, AstraZeneca, BMS, UCB; consultancy honoraria from Abbvie, Janssen, Boehringer- Ingelheim, and grant/research support from ReumaNederland, Janssen-Cilag, Galapagos, Roche; all payments were made to the institution. GP reports no conflict of interest; he discloses travel support and speaker honoraria from Abbvie, Astra-Zeneca, Novartis, Amgen, GSK, Pfizer, Boehringer Ingelheim, Amicus. None of the mentioned conflicts of interest were related to financing of the content of this manuscript. Ethical approval and consent to participate: All methods were performed in accordance with the relevant guidelines and regulations. This study was approved by the Autoimmune Diseases Working Party of the EBMT.

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