根据捐赠者搜索预后获得异构细胞移植: BMT CTN 1702试验
Jason G Dehn1, Brent Logan2, Stephanie J Lee3
1NMDP, Minneapolis, Minnesota.
Transplantation and cellular therapy
|November 10, 2025
概括
搜索预测计算器有助于估计血液细胞移植 (HCT) 的供体可用性. 这项研究发现,在可能或不可能找到匹配的非亲属捐赠者患者之间,HCT率没有显著差异,健康状况不佳是主要障碍.
科学领域:
- 血液学 血液学 血液学
- 移植免疫学 移植免疫学
- 临床试验设计 临床试验设计
背景情况:
- 全基性造血细胞移植 (HCT) 依赖于识别合适的捐赠者,8/8 HLA匹配的非相关捐赠者 (MUD) 的可用性在患者之间存在显著差异.
- 搜索预测计算器可以预测找到MUD的可能性,有助于供体选择策略.
研究的目的:
- 评估Search Prognosis算法是否会导致在发现MUD的概率非常高或非常低的患者中类似的HCT发生率.
- 识别导致HCT延迟或取消的障碍.
主要方法:
- 一项干预性试验 (BMT CTN 1702) 使用搜索预后来将患者分配给MUD (非常可能的手臂) 或替代捐赠者 (非常不可能的手臂).
- 在标准实践中观察到一个"不太可能"的群体.
- 分析了HCT和移植障碍物的累积发病率.
主要成果:
- 在1234名患者中,HCT的6个月调整后累计发病率在"非常可能"组为59.8%,在"非常不可能"组为52.3% (P = .113).
- 在所有搜索预测组中,HCT的中位时间类似.
- 患者健康状况不佳 (59%) 是HCT的主要障碍;与供体有关的原因仅占延迟的14%和取消的2%.
结论:
- 基于搜索预测的算法可以在国家多中心试验中有效地实施,以指导供体选择.
- 该算法促进了快速的替代捐赠者识别,而没有在概率组之间HCT率的统计学上显著差异.
- 与患者健康相比,与捐赠者有关的问题是HCT延迟或取消的次要原因.
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