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Rinsho Ketsueki. 2012 Mar;53(3):323-8.

[Clinical outcomes of allogeneic hematopoietic stem cell transplantation for adult primary myelofibrosis: retrospective analysis by Fukuoka BMT group].

[Article in Japanese]

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Department of Hematology, Harasanshin Hospital, Fukuoka.


We retrospectively analyzed outcomes of eight evaluable patients with primary myelofibrosis (PMF) who received allogeneic hematopoietic stem cell transplantation (allo-HSCT), using different graft sources; four patients received peripheral blood stem cells, three bone marrow, and one umbilical cord blood. The median age was 48 years (range, 43~64 years). Seven patients had an intermediate or high Dupriez score. Three patients underwent myeloablative conditioning, whereas five underwent reduced-intensity conditioning regimens. Engraftment was obtained in all of these recipients. The median days to reach a neutrophil count above 0.5×10(9)/l and platelet count above 20×10(9)/l were 20 and 35 days, respectively. No treatment-related deaths were observed within 100 days after allo-HSCT. Two patients died of sepsis or late-onset non-infectious pulmonary complications. Four patients developed grade I to II acute GVHD, and six patients developed chronic GVHD. The estimated 3-year overall survival was 75% with a median follow up time of 43 months (range, 6~127). Four of 5 patients who were transfusion-dependent became free from transfusion after allo-HSCT. In six of seven patients, a regression of fibrosis was confirmed by bone marrow biopsy. Despite the small number of cases, our results suggested that allo-HSCT is an encouraging curative strategy for treating PMF.

[Indexed for MEDLINE]

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