Low-dose decitabine as part of a modified Bu-Cy conditioning regimen improves survival in AML patients with active disease undergoing allogeneic hematopoietic stem cell transplantation

Relapse is the major cause of mortality in patients with acute myeloid leukemia (AML) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Effective preventive intervention in high-risk AML may be crucial. In this study, we investigated the clinical efficacy and safety of low dose d...

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Veröffentlicht in:Bone marrow transplantation (Basingstoke) 2021-07, Vol.56 (7), p.1674-1682
Hauptverfasser: Tang, Xiaowen, Valdez, Benigno C., Ma, Yunju, Zhang, Qianqian, Qu, Changju, Dai, Haiping, Yin, Jia, Li, Zheng, Xu, Ting, Xu, Yang, Chen, Jia, Zhu, Xiaming, Chen, Zixing, Wu, Depei, Andersson, Borje S.
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container_end_page 1682
container_issue 7
container_start_page 1674
container_title Bone marrow transplantation (Basingstoke)
container_volume 56
creator Tang, Xiaowen
Valdez, Benigno C.
Ma, Yunju
Zhang, Qianqian
Qu, Changju
Dai, Haiping
Yin, Jia
Li, Zheng
Xu, Ting
Xu, Yang
Chen, Jia
Zhu, Xiaming
Chen, Zixing
Wu, Depei
Andersson, Borje S.
description Relapse is the major cause of mortality in patients with acute myeloid leukemia (AML) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Effective preventive intervention in high-risk AML may be crucial. In this study, we investigated the clinical efficacy and safety of low dose decitabine (DAC) as part of a modified Busulfan-Cyclophosphamide (Bu-Cy) regimen for high-risk AML patients undergoing allo-HSCT to reduce relapse rate. Fifty-nine patients received DAC (20 mg/m 2 /d, i.v.) for 5 days, followed by modified Bu-Cy (DAC group). A matched-pair control (CON) group of 177 patients (matched 1:3) received modified Bu-Cy only. The differences were more substantial among patients with active disease: 2-year OS, 80.7% (DAC) versus 43.5% (CON), P  = 0.011 and 2-year LFS, 64.9% (DAC) versus 39.2% (CON), P  = 0.024. Median time to relapse was 8 months (DAC) versus 5 months (CON) for the entire groups and 6.5 months (DAC) versus 3.5 months (CON) for patients with active disease. In summary, our data indicated that the conditioning regimen containing low dose DAC may confer a survival advantage in high-risk AML patients with active disease undergoing allo-HSCT, and a prospective randomized trial is warranted to confirm these observations.
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Effective preventive intervention in high-risk AML may be crucial. In this study, we investigated the clinical efficacy and safety of low dose decitabine (DAC) as part of a modified Busulfan-Cyclophosphamide (Bu-Cy) regimen for high-risk AML patients undergoing allo-HSCT to reduce relapse rate. Fifty-nine patients received DAC (20 mg/m 2 /d, i.v.) for 5 days, followed by modified Bu-Cy (DAC group). A matched-pair control (CON) group of 177 patients (matched 1:3) received modified Bu-Cy only. The differences were more substantial among patients with active disease: 2-year OS, 80.7% (DAC) versus 43.5% (CON), P  = 0.011 and 2-year LFS, 64.9% (DAC) versus 39.2% (CON), P  = 0.024. Median time to relapse was 8 months (DAC) versus 5 months (CON) for the entire groups and 6.5 months (DAC) versus 3.5 months (CON) for patients with active disease. 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Effective preventive intervention in high-risk AML may be crucial. In this study, we investigated the clinical efficacy and safety of low dose decitabine (DAC) as part of a modified Busulfan-Cyclophosphamide (Bu-Cy) regimen for high-risk AML patients undergoing allo-HSCT to reduce relapse rate. Fifty-nine patients received DAC (20 mg/m 2 /d, i.v.) for 5 days, followed by modified Bu-Cy (DAC group). A matched-pair control (CON) group of 177 patients (matched 1:3) received modified Bu-Cy only. The differences were more substantial among patients with active disease: 2-year OS, 80.7% (DAC) versus 43.5% (CON), P  = 0.011 and 2-year LFS, 64.9% (DAC) versus 39.2% (CON), P  = 0.024. Median time to relapse was 8 months (DAC) versus 5 months (CON) for the entire groups and 6.5 months (DAC) versus 3.5 months (CON) for patients with active disease. In summary, our data indicated that the conditioning regimen containing low dose DAC may confer a survival advantage in high-risk AML patients with active disease undergoing allo-HSCT, and a prospective randomized trial is warranted to confirm these observations.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>33637882</pmid><doi>10.1038/s41409-021-01238-5</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-1766-7891</orcidid></addata></record>
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1476-5365
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source MEDLINE; SpringerLink Journals; EZB-FREE-00999 freely available EZB journals
subjects 5-aza-2'-deoxycytidine
692/699/1541/1990/283/1897
692/699/67/1990/283/1897
Acute myeloid leukemia
Busulfan
Cell Biology
Conditioning
Cyclophosphamide
Decitabine
Dosage and administration
Graft vs Host Disease
Hematology
Hematopoietic Stem Cell Transplantation
Hematopoietic stem cells
Humans
Internal Medicine
Leukemia
Leukemia, Myeloid, Acute - therapy
Medicine
Medicine & Public Health
Myeloid leukemia
Prospective Studies
Public Health
Retrospective Studies
Risk
Stem cell transplantation
Stem Cells
Survival
Transplantation
Transplantation Conditioning
title Low-dose decitabine as part of a modified Bu-Cy conditioning regimen improves survival in AML patients with active disease undergoing allogeneic hematopoietic stem cell transplantation
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