捐赠者年龄和HLA-DP匹配之间的相互作用在10/10个HLA匹配的非相关捐赠者HCT中
Rohtesh S Mehta1, Effie W Petersdorf2, Tao Wang3
1Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA.
Blood advances
|July 15, 2024
概括
供体年龄比DP匹配更为关键,用于血液细胞移植 (HCT) 的整体存活率,使用10/10 HLA匹配的非相关供体. 优先考虑年轻的捐赠者,以获得更好的HCT结果.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 移植科学 移植科学
背景情况:
- 在10/10 HLA匹配的非相关捐赠者 (MUD) 血造细胞移植 (HCT) 中,基于氨酸抑制剂 (CNI) 的预防表明T细胞表皮质DP匹配和允许不匹配的捐赠者具有相似的整体存活率 (OS).
- 非宽容的DP不匹配与更糟糕的结果有关,年轻的无血缘关系的捐赠者比老年捐赠者更受青.
研究的目的:
- 调查DP匹配和供体年龄对HCT结果的综合影响.
- 在10/10 HLA-MUD HCT中为最佳供体选择提供指导.
主要方法:
- 国际血液和骨髓移植研究中心数据集的分析,包括10,783名患者.
- 根据DP匹配 (匹配,允许不匹配,非允许不匹配) 和捐赠者的年龄 (年轻者与超过35岁的年龄) 将患者分为六组.
主要成果:
- 较年轻的捐赠者年龄,而不是DP匹配,与更好的整体存活率 (OS) 有关.
- 具有允许不匹配的年轻捐赠者与较老的匹配捐赠者相比,显示了改善的OS.
- 不允许不匹配的年轻捐赠者比允许不匹配的老捐赠者有更好的操作系统.
结论:
- 在10/10 HLA-MUD HCT与CNI预防中,献体年龄应优先考虑,而不是DP匹配.
- 对于年轻的捐赠者来说,允许不匹配或DP匹配的捐赠者比非允许不匹配的捐赠者更可取.
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