在AML治疗中,伊马替尼与强化化疗一起使用t(9;22)(q34.1;q11.2)/BCR::ABL1.1. 一个DATAML注册表研究研究
Camille Gondran1, Pierre-Yves Dumas2,3,4, Emilie Bérard5,6
1Service d'Hématologie, Centre Hospitalier Universitaire de Toulouse, Institut Universitaire du Cancer de Toulouse Oncopole, Toulouse, France.
Blood cancer journal
|May 31, 2024
概括
新诊断的BCR::ABL1阳性急性髓性白血病 (AML) 用化疗和伊马替尼治疗显示出良好的结果. 这些患者获得高缓解率和长期存活率,这表明他们可能不符合不良风险分类.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 遗传学 遗传学 是一个
背景情况:
- 具有t(9;22) 转位的急性髓性白血病 (AML),也称为BCR::ABL1-阳性AML,根据欧洲白血病网络 (ELN) 2022年指南被归类为具有不良风险的.
- 自引入氨酸激酶抑制剂 (TKI) 以来,关于BCR::ABL1阳性AML的结果的数据有限.
研究的目的:
- 为了评估 de novo BCR::ABL1-阳性AML治疗标准化疗和TKIs的结果.
- 为了比较 de novo BCR::ABL1-阳性AML与神经细胞爆发期慢性髓性白血病 (CML-BP) 和其他AML风险组的特征和结果.
主要方法:
- 分析了来自DATAML注册表的18名 de novo BCR::ABL1阳性AML患者,这些患者接受了标准诱导化疗,其中16人接受了添加伊马替尼.
- 下一代测序 (NGS) 用于检测基因突变.
- 与CML-BP,ELN中等风险和ELN不良风险AML患者的历史数据进行比较.
主要成果:
- 94%的患者实现了完全缓解或CR与不完全的血液恢复.
- 总生存时间的中位数没有达到2年生存率的77%.
- 接受化疗和伊马替尼布治疗的BCR:ABL1阳性AML患者表现出比中等和不良风险AML群体和CML-BP更好的结果.
结论:
- De novo BCR::ABL1阳性AML治疗伊马替尼和密集化疗的预后是有利的.
- 在目前的AML分类中,这些患者可能应该被排除在不良风险组之外.
- 这些发现强调了技术技能在管理这种AML亚型方面的有效性.
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