与其他移植来源相比,UM171扩展带血移植的改善结果:现实世界的证据
Sandra Cohen1,2, Nadia Bambace1,2, Imran Ahmad1,2
1Institut Universitaire d'Hémato-Oncologie et de Thérapie Cellulaire, Hôpital Maisonneuve-Rosemont, CIUSSS de l'Est de l'Île de Montréal, Montréal, QC, Canada.
Blood advances
|July 19, 2023
概括
与标准CB和匹配的无关献血者 (MUD) 移植相比,UM171扩展带血 (CB) 移植显示出更好的生存率和减少的非复发性死亡率 (NRM). 这种细胞扩张疗法提供了更好的无移植对宿主疾病 (GVHD) 无复发无生存率 (GRFS).
科学领域:
- 血液学 血液学 血液学
- 移植免疫学 移植免疫学
- 细胞疗法细胞疗法
背景情况:
- 带血 (CB) 移植因细胞剂量低和高非复发死亡率 (NRM) 而面临限制.
- UM171扩展技术旨在通过增加细胞剂量和改善移植结果来克服这些局限性.
研究的目的:
- 追溯地比较UM171扩展CB移植的疗效和安全性与未经操纵的CB移植和匹配的无血缘供体 (MUD) 移植.
- 评估关键结果,包括NRM,无进展生存率 (PFS),总生存率 (OS) 和无GVHD复发生存率 (GRFS).
主要方法:
- 一个回顾性分析,将UM171扩展的CB移植 (n=22) 与来自CIBMTR数据库的CB (n=67) 和MUD (n=70) 移植进行比较.
- 通过倾向性得分匹配,对患者进行了先前的全源性造血干细胞移植 (alloHCT),疾病风险,年龄,并发症和表现状况的匹配.
主要成果:
- 与CB和MUD对照组相比,UM171扩展的CB移植显示了较低的1年和2年的NRM.
- 在UM171扩展的CB接受者和CB对照者中观察到更高的2年PFS和1年和2年的GRFS.
- 与MUD接受者相比,UM171接受者显示GRFS和PFS的改善,急性和慢性GVHD的3-4级降低.
结论:
- 与标准CB和MUD移植相比,UM171扩展的CB移植与改善的生存结果和减少的NRM有关.
- 这种细胞扩张策略为全源造血干细胞移植提供了一个有希望的替代方案,增强GRFS和减轻GVHD.
- UM171扩展技术可能是克服成功带血移植障碍的重大进步.
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