Allogeneic transplantation of bone marrow versus peripheral blood stem cells from HLA-identical sibling donors for hematological malignancies in 6064 adults from 2003 to 2020: different impacts on survival according to time periods in Japan

医学 危险系数 人类白细胞抗原 造血干细胞移植 内科学 移植 骨髓 造血 置信区间 回顾性队列研究 比例危险模型 干细胞 肿瘤科 免疫学 抗原 生物 遗传学
作者
Takaaki Konuma,Kotaro Miyao,Hideki Nakasone,Fumihiko Ouchi,Takahiro Fukuda,Masatsugu Tanaka,Yukiyasu Ozawa,Shuichi Ota,Toshiro Kawakita,Naoyuki Uchida,Masashi Sawa,Yuta Katayama,Nobuhiro Hiramoto,Tetsuya Eto,Tatsuo Ichinohe,Yoshiko Atsuta,Junya Kanda
出处
期刊:Cytotherapy [Elsevier BV]
被引量:2
标识
DOI:10.1016/j.jcyt.2024.03.489
摘要

Abstract

Background

Mobilized peripheral blood stem cells (PBSC) have been widely used instead of bone marrow (BM) as the graft source for allogeneic hematopoietic cell transplantation (HCT). Although early studies demonstrated no significant differences in survival between PBSC transplantation (PBSCT) and BM transplantation (BMT) from human leukocyte antigen (HLA)-identical sibling donors to adults with hematological malignancies, recent results have been unclear.

Objective

The objective of this retrospective study was to compare overall survival (OS), relapse, non-relapse mortality (NRM), hematopoietic recovery, and graft-versus-host disease (GVHD) between PBSCT and BMT according to the time period of HCT (2003–2008, 2009–2014, or 2015–2020).

Study design

We retrospectively compared the outcomes after PBSCT versus BMT in 6064 adults with hematological malignancies using a Japanese registry database between 2003 and 2020.

Results

The adjusted probability of OS was significantly higher in BMT recipients compared to PBSCT recipients during the early period of 2003–2008 (adjusted hazard ratio [HR], 0.79; 95% confidence interval [CI], 0.70 to 0.91; P<0.001) and the middle period of 2009–2014 (adjusted HR, 0.80; 95%CI, 0.70 to 0.91; P<0.001). However, during the late period of 2015–2020, the adjusted probability of OS was comparable between BMT and PBSCT recipients (adjusted HR, 0.94; 95%CI, 0.79 to 1.13; P=0.564), which were mainly due to the reduction of NRM. There was no significant difference in the relapse rate between the groups, irrespective of the time period. Compared to BMT, PBSCT led to faster neutrophil and platelet recovery, and the cumulative incidences of grade II to IV and grade III to IV acute and overall and extensive chronic GVHD were significantly higher in PBSCT recipients, irrespective of the time period.

Conclusion

PBSCT and BMT had similar survival outcomes and relapse rates in adult patients with hematological malignancies during the late time period of 2015–2020 despite the hematopoietic recovery and acute and chronic GVHD being higher in PBSCT recipients in all time periods.
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