对于急性淋巴细胞白血病的PTCy半同体移植中供体选择:来自EBMT的ALWP的一项研究
Jaime Sanz1, Allain-Thibeault Ferhat2, Anna Maria Raiola3
1Hematology Department, Hospital Universitari i Politècnic La Fe, Valencia Departament de Medicina Universitat de Valencia, CIBERONC, Instituto Carlos III, Madrid, Spain. Jaime.Sanz@uv.es.
Bone marrow transplantation
|November 25, 2025
概括
捐赠者和移植品的选择显著影响了急性淋巴细胞白血病 (ALL) 的 haploidentical 造血细胞移植 (HCT) 的结果. 周围血液移植和较老的供体年龄与较差的生存率和慢性GVHD增加有关,而CMV匹配改善了结果.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
背景情况:
- 哈普洛同一性造血细胞移植 (HCT) 是高风险急性淋巴细胞白血病 (ALL) 的关键治疗方法.
- 最佳的供体选择仍然是一个关键的,但尚不清楚,影响HCT结果的因素.
- 移植后基于循环胺 (PTCy) 的移植与宿主疾病 (GVHD) 预防通常使用.
研究的目的:
- 为了回顾分析捐赠者特征对ALL患者的结果的影响,这些患者接受了与PTCy相同的HCT.
- 确定与生存,复发和GVHD.相关的特定供体和移植因素.
- 在这个患者群体中提供基于证据的供体选择建议.
主要方法:
- 对933名ALL患者进行了回顾性分析,这些患者接受了与PTCy相关的GVHD预防治疗.
- 评估捐赠者的特征,包括年龄,性别和移植来源 (外周血液与骨髓).
- 多变量分析以评估供体/移植因子与临床结果之间的关联.
主要成果:
- 与骨髓相比,外周血液移植与较低的整体存活率 (OS) 和无GVHD/无复发存活率有关.
- 细胞巨乳病毒 (CMV) - 血清阴性匹配对表明减少非复发性死亡率和改善的OS.
- 较老的供体年龄和女性与男性的性别不匹配增加了慢性GVHD (cGVHD) 的风险,后者也增加了广泛的cGVHD风险.
结论:
- 捐赠者和移植体的选择是使用PTCy.在ALL的单双相同的HCT中结果的重要决定因素.
- 优先考虑骨髓而不是外围血液移植和CMV-seronegative捐赠者对于CMV-seronegative接受者可以提高生存率并降低死亡率.
- 意识到老年捐赠者的cGVHD风险增加以及女性与男性的性别不匹配对于患者管理至关重要.
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