在急性髓性白血病的诊断到诱导之间,时间是否重要?
Osama Batayneh1, Deevyashali Parekh2, Margarita Vazquez Almonte3
1Department of Hematology and Oncology, SUNY Upstate Medical University, Syracuse, NY, USA.
Journal of hematology
|September 4, 2025
概括
在急性髓性白血病 (AML) 中,从诊断到治疗的时间 (TDT) 没有影响整体存活率. 虽然推迟诱导 (11+天) 降低了完全缓解率,但全面的分析支持AML治疗的当前临床实践.
科学领域:
- 血液学
- 癌症学
- 临床研究
背景情况:
- 分子和细胞遗传测试对于急性髓性白血病 (AML) 的预后和治疗强度至关重要.
- 从诊断到治疗的时间 (TDT) 可能会影响结果,但可能与分子测试所需的时间相冲突.
- 对AML的分子研究可能需要长达两周的时间才能得出结果.
研究的目的:
- 研究TDT对急性髓性白血病 (AML) 患者完全缓解 (CR) 和整体存活 (OS) 的影响.
- 分析延迟化疗诱导是否会影响AML的治疗结果.
- 提供支持AML临床决策的证据,以平衡AML的快速启动和全面诊断.
主要方法:
- 在2010年1月至2024年6月期间治疗的187名成年AML患者的回顾性队列分析.
- 将TDT分为三组:从诊断到化疗诱导的1-5天,6-10天和11天以上.
- 用单变量卡普兰-梅尔生存分析和多变量考克斯回归模型来评估结果.
主要成果:
- 与在1-5天内接受治疗的患者相比,在TDT超过11天的患者中观察到实现CR的概率有统计学意义的下降 (概率比率=0.32,P=0.003).
- 在使用多变量方法分析时,不同TDT组之间没有发现总生存 (OS) 或完全缓解 (CR) 的显著差异.
- 该队列包括34%的60岁以下患者,风险分层显示20%的风险是有利的,36%的风险是中间的,40%的风险是不良的.
结论:
- 这项回顾性研究发现,在急性髓性白血病 (AML) 中,从诊断到治疗的时间 (TDT) 中,整体存活率 (OS) 没有显著差异.
- 这些发现表明,在开始治疗之前等待全面的AML分析以实现最佳风险分层是临床支持的方法.
- 随着TDT延迟而观察到的CR下降值得考虑,但没有转化为该队列的OS差异.
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