移植后的循环胺或细胞选择在平分异性的全原血造细胞移植中?
Razan Mohty1, Zaid Al Kadhimi1, Mohamed Kharfan-Dabaja2
1Division of Hematology Oncology, Department of Medicine, O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA.
Hematology (Amsterdam, Netherlands)
|April 10, 2024
概括
哈普罗特异性全原性造血细胞移植 (allo-HCT) 现在利用T细胞枯竭 (TCD) 或移植后环胺 (PTCy) 来克服HLA障碍并减少移植对宿主疾病 (GVHD). PTCy提供了更容易的应用和更低的成本,但潜在的毒性需要仔细考虑.
科学领域:
- 血液学 血液学 血液学
- 移植免疫学 移植免疫学
- 在瘤学瘤学.
背景情况:
- 全基性造血细胞移植 (allo-HCT) 受限于HLA匹配捐赠者的稀缺性.
- 临床前研究和临床经验激发了人们对单 haploidentical allo-HCT 的兴趣.
- 降低移植对宿主疾病 (GVHD) 风险对于扩大alo-HCT的适用性至关重要.
研究的目的:
- 审查克服HLA障碍在alo-HCT中的战略.
- 为了比较T细胞枯竭 (TCD) 和移植后的环胺 (PTCy) 在平分异性合金-HCT中.
- 突出与PTCy相关的优势和潜在风险.
主要方法:
- 研究ex vivoT细胞枯竭 (TCD) 技术 (阴性或阳性选择).
- 在体内对T细胞枯竭的评估,使用高剂量环胺在异位移植后 (PTCy).
- 审查当前的临床实践和PTCy.新出现的数据.
主要成果:
- 哈普洛相同的捐赠者现在是alo-HCT的常见来源,可以通过耗尽全活性T细胞的策略来实现.
- 与TCD相比,PTCy提供了实用优势,包括易于应用和更低的成本.
- 新出现的数据表明PTCy的潜在不良事件,如心脏毒性和感染风险增加.
结论:
- 耗尽全活性供体T细胞是成功脱异性allo-HCT的关键,促进移植和减少GVHD.
- 虽然PTCy是一种更容易获得的方法,但其相关的毒性需要仔细监测和进一步研究.
- 没有前性随机试验直接比较TCD和PTCy在平分异构合HCT接受者中.
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