骨髓纤维化移植的捐赠者类型和结果:CIBMTR研究
Tania Jain1, Noel Estrada-Merly2, M Queralt Salas3
1Division of Hematological Malignancies and Bone Marrow Transplantation, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD.
Blood advances
|June 25, 2024
概括
血造细胞移植 (HCT) 在骨髓纤维化中的结果显示,匹配的兄弟捐赠者提供了更高的生存率. 双相同的捐赠者是一个可行的替代方案,特别是对于少数民族.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 移植免疫学 移植免疫学
背景情况:
- 骨髓纤维化是一种严重的骨髓疾病.
- 造血细胞移植 (HCT) 是一种潜在的治疗方法,但供体可用性可能是一个挑战.
- 不同类型的供体在骨髓纤维化HCT中的作用需要持续评估.
研究的目的:
- 评估不同类型的捐赠者对肌肉纤维化患者的HCT结局的影响.
- 评估与其他类型的捐赠者相比,日益使用的哈普罗同一性捐赠者及其结果.
- 为了确定是否有血统相同的HCT是一个可行的选择,特别是对于代表性不足的少数民族.
主要方法:
- 从2013-2019年使用CIBMTR注册数据对1597名患者进行骨髓纤维化HCT的回顾性分析.
- 基于捐赠者类型的整体存活率 (OS),移植失败,复发和无疾病存活率的比较:匹配的兄弟捐赠者 (MSD),匹配的无血缘捐赠者 (MUD),不匹配的无血缘捐赠者 (MMUD) 和单亲捐赠者.
- 专注于1032名符合研究条件的患者,为慢性阶段髓纤维化接受外周血液移植.
主要成果:
- 在2013年至2019年期间,哈普洛同一供体的使用量显著增加,从3%增加到19%.
- 在移植后的前3个月中,MSD-HCT与相似,MUD和MMUD相比,在移植后的前3个月中与优异的OS有关.
- 在3个月以上的生存期,复发或无疾病生存期中,在单元鉴定,MUD和MMUD捐赠者之间没有观察到显著的差异.
- 移植失败在患有晚期疾病的患者和接受非骨髓折变条件治疗的患者中更为常见.
结论:
- 虽然MSD-HCT提供了优异的结果,但哈普罗特异性HCT在骨髓纤维化中显示了与MUD和MMUD HCT相似的结果.
- 哈普洛同一性HCT,特别是与移植后的环胺,已被确立为可行和有效的治疗选择.
- 这种方法显著扩大了少数民族的HCT可访问性,这些少数民族在捐赠者注册表中通常代表性不足.
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