Myeloablative intravenous busulfan-containing regimens for allo-HSCT in AML or MDS patients over 54 years old: combined results of three phase II studies

for the Japan Study Group for Cell Therapy, Transplantation (JSCT)

研究成果: Contribution to journalArticle

抄録

An optimal pretransplant conditioning regimen for allogeneic hematopoietic stem cell transplantation (allo-HSCT) in older adults has not been established. Three prospective multicenter phase II studies were conducted, in which 142 patients older than 54 years (median age, 61 years; range 55–70 years) with acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS) received a myeloablative dose of intravenous busulfan (ivBu, 12.8 mg/kg) along with fludarabine (180 mg/m2) ± low dose total body irradiation for allo-HSCT between September 2009 and February 2013. A total of 103 AML and 39 MDS patients including 21 related bone marrow (BM) or peripheral blood (PB), 50 unrelated BM, and 71 unrelated cord blood (UCB) transplantation were enrolled. Grade 3 or greater toxicities were observed in 105 patients. Neutrophil engraftment was achieved in 70 out of the 71 related PB/BM or unrelated BM recipients, and 61 out of the 71 UCB recipients. The cumulative incidence rates of relapse and non-relapse mortality after 2 years were 24.0 and 24.1%, respectively. The overall and event-free survival rates at 2 years were 53.3 and 47.4%, respectively. The myeloablative dose of ivBu was well tolerated without increased toxicity-related mortality in older adults who underwent allo-HSCT with any donor source.

本文言語英語
ページ(範囲)510-523
ページ数14
ジャーナルInternational journal of hematology
112
4
DOI
出版ステータス出版済み - 10 1 2020

All Science Journal Classification (ASJC) codes

  • Hematology

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