在不匹配或不相关的捐赠者设置中,在骨髓衰变条件后,对ALL患者的移植结果进行比较
Salman Otoukesh1, Dongyun Yang2, Sally Mokhtari3
1Department of Hematologic Malignancies and Translational Science, City of Hope National Medical Center, Duarte, CA, USA.
Bone marrow transplantation
|August 15, 2024
概括
该研究比较了急性淋巴细胞白血病 (ALL) 患者的两种调节方案,这些患者接受了血液细胞移植 (HCT). 两种疗法均显示出相似的生存结果,但FLU-包已延迟了移植和较少的慢性GVHD.
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:
- 对于接受血造细胞移植 (HCT) 的急性淋巴细胞白血病 (ALL) 患者,使用替代捐赠者的最佳骨髓缩条件治疗方案尚不清楚.
- 两种调节方案进行了比较:对匹配的捐赠者进行ETOP套餐 (FTBI-etoposide和CNI-based GvHD预防) 和对HLA不匹配的捐赠者进行FLU套餐 (FTBI-Fludarabine和PTCy-based预防).
研究的目的:
- 为了比较接受HCT的ALL患者在两种不同的调节方案中的结果.
- 评估调节方案选择对移植,GVHD,存活率和复发率的影响.
主要方法:
- 在2010年至2020年期间,对269名ALL患者进行HCT的回顾性分析.
- 患者被分为两层,分为ETOP包 (n=196) 或FLU包 (n=64) 组.
- 分析的结果包括移植,GVHD发病率,非复发性死亡率,生存率 (总体,无白血病) 和无GVHD/无复发性生存率.
主要成果:
- 在FLU套餐组的患者经历了显著延迟的移植和任何和广泛的慢性GVHD的累积发病率较低.
- 两组之间没有观察到非复发性死亡率,总生存率,无白血病生存率或无GVHD/无复发性生存率的显著差异.
- 在CR2或可测量的残留疾病 (MRD+) 的患者中,在FLU套餐组中发现了更高复发率的趋势.
- 在CR1的患者有类似的结果,无论条件治疗方案或捐赠者类型.
结论:
- 替代捐赠者的FLU套餐在ALL治疗中为匹配的捐赠者HCT提供了与ETOP套餐相似的结果.
- 疾病状态和HCT缓解程度的深度是更好的结果的独立预测因素.
- 调节方案的选择没有显著影响长期存活率,但影响了移植和GVHD概况.
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