Authors
Ali Bazarbachi, Mathilde Fekom, Carmen Martinez, Irma Khvedelidze, Nour Moukalled, Karl S Peggs, Khalid Halahleh, Stefania Bramanti, Sebastian Giebel, Mahmoud Aljurf, Ioanna Sakellari, Malek Benakli, Francesca Bonifazi, Raffaella Cerretti, Raynier Devillier, Alexander Kulagin, Emma Nicholson, Edouard Forcade, Jan Walewski, Alina Tanase, Anna Sureda
Published in
The Lancet. Haematology. Volume 13. Issue 8. Pages e519-e532.
Abstract
Autologous haematopoietic cell transplantation (auto-HCT) is the recommended treatment for chemosensitive relapsed Hodgkin lymphoma, while allogeneic haematopoietic cell transplantation (allo-HCT) is indicated for patients who had unsuccessful auto-HCT. The introduction of novel therapeutic agents, alongside advances in donor selection, conditioning regimens, and graft-versus-host disease prophylaxis, might improve post-transplantation outcomes, however supporting data remain limited. We aimed to evaluate changes in post-transplantation outcomes over the period 2010-22, and to identify predictors of these outcomes.
We conducted a retrospective, registry-based cohort study of patients aged 18 years or older with relapsed or refractory classical Hodgkin lymphoma undergoing first auto-HCT or first allo-HCT between Jan 1, 2010, and Dec 31, 2022, registered with the European Society for Blood and Marrow Transplantation (EBMT), with data from more than 600 transplantation centres, across 53 countries, reporting all HCTs and yearly follow-ups. Patients who received allo-HCT for relapse after auto-HCT were included but tandem transplantations were excluded. For allo-HCT, we included patients who received grafts from matched related donors, mismatched related donors, and unrelated donors. The primary endpoints were overall survival and progression-free survival, which were assessed with the Kaplan-Meier method at 2 years and 5 years after HCT. Multivariate analyses were performed using the Cox proportional-hazards regression model to identify predictive factors.
We identified 22 047 patients who received a first transplantation for relapsed or refractory Hodgkin lymphoma, after excluding 1324 patients with missing follow-up data and 1225 patients with nodular lymphocyte predominant Hodgkin lymphoma, 19 498 patients were retained: 15 648 received auto-HCT (6772 [43%] were female and 8839 [57%] were male, data were missing for 37 patients); median age at HCT was 35 years [IQR 27-47]; median follow-up was 2·4 years [IQR 2·3-2·5]), and 3850 received allo-HCT (1572 [41%] female and 2273 [59%] were male, data were missing for five patients; median age at HCT 32 years [IQR 26-42]; median follow-up was 3·9 years [IQR 3·8-4·1]). For auto-HCT, from years 2010-14 to years 2019-22, the 2-year progression-free survival increased from 63% (95% CI 62-65) to 73% (71-74) and overall survival increased from 85% (95% CI 84-86) to 93% (91-94). Partial response (hazard ratio [HR] 1·92 [95% CI 1·74-2·11]) or stable or progressive disease (2·45 [2·17-2·76]) at transplantation negatively affected progression-free survival. For allo-HCT, from years 2010-14 to years 2019-22, the 2-year progression-free survival, and overall survival, increased from 44% (95% CI 41-46) to 62% (58-66), and from 66% (63-68) to 72% (68-75), respectively. Partial response (HR 1·58 [95% CI 1·39-1·78]) or stable/progressive disease (2·28 [2·02-2·58]) at transplantation negatively affected progression-free survival.
To our knowledge, this is the largest study on HCT for Hodgkin lymphoma in recent years, and our findings that outcomes after auto-HCT and allo-HCT improved over time provide relevant information that could set the basis for prospective trials or additional studies.
None.
PMID:
42532066
Bibliographic data and abstract were imported from PubMed on 31 Jul 2026.
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