对成年Ph+ALL进行全原干细胞移植的实用性,具有完整的分子缓解
Satoshi Nishiwaki1, Isamu Sugiura2, Shin Fujisawa3
1Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan.
American journal of hematology
|February 5, 2024
概括
同源性干细胞移植 (allo-SCT) 显著改善了生存率,并减少了费城染色体阳性急性淋巴细胞白血病 (Ph+ALL) 患者的复发. 尽管非复发性死亡率较高,但与没有移植相比,alo-SCT提供了优越的长期结果.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 干细胞移植 干细胞移植
背景情况:
- 费城染色体阳性急性淋巴细胞白血病 (Ph+ALL) 是一个独特的治疗挑战.
- 氨酸激酶抑制剂 (TKI) 时代已经改善了结果,但最佳的巩固策略仍然至关重要.
- 实现完全分子缓解 (CMR) 是Ph+ALL治疗的一个关键目标.
研究的目的:
- 评估在Ph+ALL.患者中全源干细胞移植 (allo-SCT) 的疗效.
- 为了比较Ph+ALL患者接受allo-SCT与未接受移植的患者之间的结果.
- 评估allo-SCT在CMR第一个完全缓解 (CR1) 中的作用.
主要方法:
- 由日本成人白血病研究小组进行的前性临床研究中的患者的回顾性分析.
- 纳入标准:在TKI时代,Ph+ALL患者在3个月内实现CMR.
- 多变量和倾向分数匹配分析,比较SCT (n=101) 与非SCT (n=46) 队列.
主要成果:
- 艾洛-SCT与明显更高的整体存活率 (OS) (aHR:0.54) 和无复发存活率 (RFS) (aHR:0.21) 相关.
- 五年调整后的OS和RFS为73%和70%的SCT,与50%和20%的无SCT相比.
- 阿洛-SCT显示了较低的复发率 (aHR:0.10),但较高的非复发死亡率 (aHR:3.49),以及优越的无GvHD,无复发生存率 (aHR:0.43).
结论:
- 在Ph+ALL患者中,在3个月内实现CMR,CR1中的allo-SCT显著改善了生存率并降低了复发率.
- 在生存和复发减少方面,alo-SCT的好处超过了非复发死亡率的增加.
- 在TKI时代,Allo-SCT是对选定的Ph+ALL患者的一种有价值的整合策略.
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