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在智利患者中进行第二次全源造血干细胞移植的经验:单中心研究
Yorman Flores1, Javier Díaz1, Patricio Rojas1
1Adult Hematopoietic Transplant Program, Red de Salud UC Christus, Pontificia Universidad Católica de Chile, Chile.
Hematology, transfusion and cell therapy
|October 5, 2025
概括
第二次全基因移植可以使某些患有复发性血液病的患者受益. 虽然非复发性死亡率很高,但通过更好的救援策略,结果正在改善.
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:
- 全基性造血干细胞移植为血液性疾病提供治愈潜力.
- 移植后复发是一个重大挑战,需要替代治疗策略.
- 对于第二次完全缓解的患者来说,第二次异构移植是一种可行的选择.
研究的目的:
- 分析第二次异构移植的临床结果.
- 为了评估移植与宿主疾病,非复发死亡率和复发率.
- 评估源对大学课程成果的影响.
主要方法:
- 对21名接受第二次异构移植的成年患者 (2001-2023) 的回顾性分析.
- 收集了有关人口统计,疾病,移植来源,条件,GVHD,复发和生存率的数据.
- 使用Kaplan-Meier方法计算的生存估计.
主要成果:
- 骨髓 (60%) 和外周血液 (40%) 是移植来源.
- 移植与宿主疾病的发病率:5%的III-IV级急性,17%的广泛慢性.
- 非复发死亡率为69.2%,复发率为23.1%. 一年的PFS为26.5%,OS为42.3%.
- 2010年后的结果有所改善:两年的PFS为55%,OS为45.4%.
结论:
- 第二次异构移植可以为某些患有复发性血液恶性瘤或骨髓衰竭综合征的患者提供生存益处.
- 尽管非复发性死亡率高,但由于加强了救援策略,结果有所改善.
- 对优化移植来源和调节方案的进一步研究是有必要的.
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