基于梅尔法兰的调节与移植后的循环胺用于外周血液干细胞移植:捐赠者效应
Paul B Koller1, Tamer Othman1, Dongyun Yang2
1Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA.
Bone marrow transplantation
|February 27, 2025
概括
弗鲁达拉宾和梅尔法兰 (FM) 与移植后的环胺 (PTCy) 显示在匹配的,不匹配的无关联的,和血造细胞移植 (HCT) 的平分相同的捐赠者中具有可比的结果. 35岁以上的捐赠者年龄会对存活率产生负面影响,并增加非复发性死亡率.
科学领域:
- 造血干细胞移植 造血干细胞移植
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
背景情况:
- 弗鲁达拉宾和梅尔法兰 (FM) 调节在血液细胞移植 (HCT) 中有效控制疾病.
- 移植后循环胺 (PTCy) 通过预防移植对宿主疾病 (GVHD) 来改善结果.
研究的目的:
- 评估基于 FM 的 PTCy 的 HCT 结果,用于不同类型的捐赠者:匹配相关/无相关 (MRD/MUD),不匹配无相关 (MMUD) 和平分相同 (HID).
- 确定影响移植成功的因素,包括捐赠者类型和捐赠者年龄.
主要方法:
- 248名患者的回顾性审查,这些患者接受了基于FM的HCT与PTCy.
- 结果分析包括总生存率 (OS),无病生存率 (DFS),移植对宿主/无复发生存率 (GRFS),急性/慢性GVHD和非复发死亡率 (NRM).
- 多变量分析以评估供体类型和供体年龄的影响 (≥35岁和<35岁).
主要成果:
- 根据捐赠者类型,没有观察到急性或慢性GVHD的显著差异.
- 在多变量分析中,两年的OS,DFS和GRFS在MRD/MUD,MMUD和HID组中是相似的.
- 捐赠者年龄≥35岁与所有捐赠者类型中较低的OS和GRFS以及较高的NRM有关.
结论:
- 当考虑捐赠者的年龄时,FM与PTCy提供了可比的移植结果,无论捐赠者类型 (MRD/MUD,MMUD,HID) 是什么.
- 捐赠者的年龄似乎是选择捐赠者的关键因素,以PTCy为基础的HCT与PTCy,年轻的捐赠者 (<35岁) 与更好的结果相关.
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