克洛法拉宾预制后,使用TBI和移植后循环胺用于复发性耐火白血病的全基移植
Seema Naik1, Kevin Rakszawski1, Hong Zheng1
1Department of Medicine, Penn State Cancer Institute, 500 University Dr. Hershey, Hershey, PA 17033, USA.
International journal of molecular sciences
|January 23, 2024
概括
克洛法拉宾预先调节,然后用移植后的环胺转移全源干细胞移植,对非缓解性急性髓性白血病 (AML) 患者显示出有前途的结果. 这种方法降低了复发率,并改善了耐火性AML的无GVHD存活率.
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:
- 耐药性急性髓性白血病 (AML) 带来了严重的治疗挑战,缓解的可能性有限.
- 同源干细胞移植 (allo-HSCT) 是一种潜在的AML治疗策略.
- 基于克洛法拉宾的调节是可行的,但在非缓解性AML的哈普罗同一性/不匹配合合HSCT中探索的较少.
研究的目的:
- 在非缓解的AML患者中,评估 clofarabine预调剂的有效性和安全性,其次是与移植后环胺 (PTCy) 的 allo-HSCT.
- 评估生存结果,移植恢复和移植与宿主疾病 (GVHD) 发生率.
- 确定这种治疗方案对复发率和无GVHD无复发生存率 (GFRS) 的影响.
主要方法:
- 七名非缓解AML患者的回顾性分析,这些患者接受了克洛法拉宾预调和PTCy的合金-HSCT.
- 监测整体存活率 (OS),无病存活率 (DFS) 和复发率.
- 评估中性粒细胞和血小板移植,急性和慢性GVHD,以及GFRS.
主要成果:
- 两年的OS和DFS率分别为83.3%和85.7%.
- 中和血小板恢复时间的中位数分别为16天和28天.
- II-IV级急性GVHD的累积发病率为28.6%,慢性GVHD为28.6%,两年复发率为14.3%.
结论:
- 克洛法拉宾预先调节,然后与PTCy配合合-HSCT是AML非缓解的可行策略.
- 这种方案有效地减少了白血病负担和GVHD,从而改善了GFRS.
- 该方法在具有挑战性的AML患者群体中显示出有利的生存率和较低的复发率.
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