Cost-effectiveness analysis of haploidentical vs matched unrelated allogeneic hematopoietic stem cells transplantation in patients older than 55 years
Résumé
Due to limited donor availability, high comorbidities, and cost issues, allogeneic hematopoietic stem cell transplant is not universally accessible. The aim of this study was to conduct a cost-effectiveness analysis of haploidentical vs matched unrelated transplant. This retrospective study included patients with hematological malignancies older than 55 years who underwent haploidentical or matched unrelated transplant between 2011 and 2013 in Marseille. The incremental cost-effectiveness ratio has been calculated using the mean overall survival and the mean transplant costs. Costs were calculated using a micro-costing strategy from the hospital perspective and a time horizon at 2 years. Haploidentical transplant was considered an innovative procedure and matched unrelated transplant as the reference. Probabilistic and sensitivity analyses were performed on the incremental cost-effectiveness ratio. During inclusion, 29 patients underwent haploidentical transplant and 63 matched unrelated transplant. In haploidentical and matched unrelated transplant, the mean overall survival was 19.4 (1.6) months and 15.1 (1.2) months (p = 0.06), respectively, and the mean cost was 98,304 (40,872) € and 151,373 (65,742) € (p < 0.01), respectively. The incremental cost-effectiveness ratio was assessed to -148,485 (-1,265,550; -64,368) € per life year gained. Among older patients suffering from hematological malignancies, haploidentical transplant seemed in our analysis to be cost-effective compared with matched unrelated transplant.
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