匹配与非相关的与完全相同的捐赠者血造细胞移植使用移植后环胺
Dipenkumar Modi1, Yosra M Aljawai2, Todd E DeFor3
1Department of Oncology, Barbara Ann Karmanos Cancer Institute, Wayne State University, Detroit, MI.
Blood advances
|October 6, 2025
概括
匹配的非相关的捐赠者造血细胞移植 (HCT) 在使用移植后环酸胺 (PTCy) 预防时,与平分相同的HCT相比,显示出更好的生存率和无GVHD,无复发的生存率.
科学领域:
- 血造细胞移植 (HCT) 的方法
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
背景情况:
- 移植后基于循环胺 (PTCy) 的移植与宿主疾病 (GVHD) 预防是匹配无关献体 (MUD) HCT 的标准.
- 之前对MUD和与PTCy配合的单双相同供体HCT进行的比较研究的规模和后续研究有限.
研究的目的:
- 在患有急性白血病或骨髓位综合征 (MDS) 的成年人中,使用基于 PTCy 的 GVHD 预防方法,比较 MUD HCT 与平分相同的 HCT 的结果.
主要方法:
- 基于注册表分析的5873名成年患者 (2017-2021年) 接受MUD (n=1973) 或与PTCy相同的 (n=3900) HCT.
- 主要终点:3年总生存率 (OS) 和无GVHD,无复发生存率 (GRFS).
- 经过倾向评分调整后进行了考克斯回归和灵敏度分析.
主要成果:
- 与MUD HCT相比,哈普罗同一性HCT与更糟糕的OS (HR,1.15) 和GRFS (HR,1.19) 相关.
- 哈普洛同一性HCT显示了较高的初级移植失败,3/4级急性GVHD,中度/重度慢性GVHD和非复发性死亡率.
- 在2-4级急性GVHD或复发风险中没有发现显著差异.
结论:
- 在患有急性白血病或MDS的成年人中,MUD HCT与PTCy预防提供了比 haploidentical HCT 更好的结果.
- 捐赠者的年龄是唯一影响生存的其他捐赠因素.
- 当局限于降低强度调节或年轻的捐赠者 (<30岁) 时,结果没有不同.
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