年龄,条件强度和成年人异位移植后的结果之间的关系年龄≥60岁与AML
Phuong Vo1, Brenda Sandmaier2, Megan Othus2
1Fred Hutchinson Cancer Research Center.
Research square
|November 28, 2024
概括
全基性造血干细胞移植 (HSCT) 对于患有急性髓性白血病 (AML) 的老年人来说是可行的. 非骨髓缩条件治疗为70岁及以上的患者提供了更好的结果,支持在这个人群中使用它.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 移植医学 移植医学
背景情况:
- 全基性造血干细胞移植 (HSCT) 是急性髓性白血病 (AML) 的治愈选择.
- 方法上的进步已经扩大了HSCT的资格到老年人,但不同年龄组和条件强度的结果需要进一步澄清.
研究的目的:
- 评估年龄和条件强度对老年人AML全基性HSCT后结果的影响.
- 确定HSCT在70岁及以上患者的安全性和有效性.
主要方法:
- 对495名患有AML缓解的成年患者 (≥60岁) 的回顾性分析,这些患者在2006年至2023年期间接受过全源性HSCT.
- 患者分为三个年龄组:60-64岁,65-69岁和≥70岁.
- 包括复发,无复发存活率 (RFS),非复发死亡率 (NRM) 和整体存活率 (OS) 在内的结果与年龄和条件强度 (强度降低与非骨髓缩) 相比被分析.
主要成果:
- 在多变量调整后,在年龄组中没有观察到复发或RFS的显著差异.
- 年龄≥70岁的患者与60-64岁患者相比,NRM的风险更高 (P=0.022),但OS仅不显著地更短 (P=0.11).
- 年龄≥70与减少强度调节 (RIC) 的复发和NRM风险增加有关,但与非骨髓衰变调节无关. 在较年轻的群体 (60-69岁) 中,RIC与较低的复发风险有关,但随着年龄的增长,NRM增加.
结论:
- 异构HSCT是老年AML缓解期的可行治疗方法,包括70岁及以上的患者.
- 对于70岁或以上的患者来说,非骨髓缩条件似乎是一个更安全,更有效的策略,可以减轻复发和NRM的风险.
- 这些发现支持在老年AML患者中使用具有非骨髓衰变条件的全源HSCT.
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