Poor Outcome of Myeloablative Conditioned Allogeneic Bone Marrow Transplantation for Myelofibrosis

概要

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Objective This study retrospectively analyzed clinical outcomes of allogeneic hematopoietic stem cell transplantation (allo-HSCT) for myelofibrosis (MF) in a single institution. Methods During the past 20 years, 6 patients with MF have undergone allo-HSCT in our institution. We investigated the clinical characteristics and follow-up course of these patients. Patients Median age was 47 years (range, 40-52 years). The median interval between diagnosis and allo-HSCT was 12.5 months (range, 5-97 months). Results Among these 6 patients, 4 patients were categorized in the high-risk group according to the International Prognostic Scoring System. All 6 patients received myeloablative conditioning regimens, but most of them eventually died of relapse. Conclusion In this small series, allo-HSCT resulted in dismal outcomes. Our experience clearly indicates the need for studies with a larger series of patients to evaluate the efficacy of this modality.