吉尔特里尼布作为AML的移植后维护,具有FLT3的内部并列重复突变FLT3
Mark J Levis1, Mehdi Hamadani2, Brent Logan2
1Johns Hopkins University, Baltimore, MD.
概括
血造细胞移植 (HCT) 后的吉尔特里尼布维护并没有显著改善所有FLT3-ITDAML患者的无复发存活率 (RFS). 然而,它有利于在HCT后检测到可测量的残留疾病 (MRD) 的患者.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
背景情况:
- 全基性造血细胞移植 (HCT) 是FLT3-ITD突变急性髓性白血病 (AML) 的关键治疗方法.
- 在HCT后使用FLT3抑制剂治疗是常见的,但支持其普遍益处的证据有限.
- 可测量的残留疾病 (MRD) 检测可能有助于个性化治疗策略.
研究的目的:
- 评估在FLT3-ITDAML患者中HCT后吉尔特利尼布维护的疗效.
- 确定MRD状态是否可以识别HCT后受益于吉尔特利尼布治疗的患者.
主要方法:
- 一项随机试验 (NCT02997202) 分配了成年FLT3-ITDAML患者在第一次缓解期接受安慰剂或HCT后吉利利利提尼布治疗.
- 主要终点是无复发生存 (RFS);次要终点包括整体生存 (OS) 和MRD的影响.
- 参与者每天接受120毫克吉尔特里尼布或安慰剂24个月.
主要成果:
- 吉尔特利尼布并没有显著改善整体RFS (HR,0.679;P = .0518).
- 在一个小组分析中,吉尔特利尼布显著改善了在HCT前或后可检测的MRD患者的RFS (HR,0.515;P = .0065).
- 在没有检测到MRD的患者中没有观察到显著的益处 (HR,1.213;P = .575).
结论:
- 在HCT后的吉尔特利尼布维护对FLT3-ITDAML患者具有可检测的MRD显著有益.
- 这些发现支持在这种患者群体中以MRD为导向的治疗方法进行移植后治疗.
- 这项研究提供了早期证据,证明了在HCT中基于MRD的治疗选择.
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