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Reduced-intensity stem cell transplantation for acute myeloid leukemia with fludarabine-based conditioning with intravenous busulfan versus melphalan

Reduced-intensity conditioning (RIC) has been facilitating allogeneic hematopoietic cell transplantation (allo-HCT) for patients originally considered ineligible for HCT with myeloablative conditioning. Fludarabine (Flu) with reduced doses of busulfan (Bu) (Flu + Bu) and Flu with reduced doses of me...

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Published in:Bone marrow transplantation (Basingstoke) 2020-10, Vol.55 (10), p.1955-1965
Main Authors: Yamashita, Takuya, Takami, Akiyoshi, Uchida, Naoyuki, Fukuda, Takahiro, Eto, Tetsuya, Shiratori, Souichi, Ota, Shuichi, Akasaka, Takashi, Miyakoshi, Shigesaburo, Kondo, Tadakazu, Hidaka, Michihiro, Kanda, Junya, Atsuta, Yoshiko, Yano, Shingo
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Language:English
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Summary:Reduced-intensity conditioning (RIC) has been facilitating allogeneic hematopoietic cell transplantation (allo-HCT) for patients originally considered ineligible for HCT with myeloablative conditioning. Fludarabine (Flu) with reduced doses of busulfan (Bu) (Flu + Bu) and Flu with reduced doses of melphalan (Mel) (Flu + Mel) are widely used RIC regimens for acute myeloid leukemia (AML). A nationwide retrospective study comparing clinical outcomes of adult patients with AML receiving first allo-HCT after RIC between 2001 and 2010 was performed. Cumulative incidences of relapse were not significantly different among the Flu + ivBu-based (FBiv), Flu + poBu-based (FBpo), and Flu + Mel-based (FM) groups ( p  = 0.29). Non-relapse mortality (NRM) was significantly lower in patients receiving FBiv compared with FBpo ( p  = 0.003) and FM ( p  
ISSN:0268-3369
1476-5365
DOI:10.1038/s41409-020-0856-y