Blood:Ivosidenib 单药治疗新确诊的AML的疗效和安全性

2019-12-22 QQY MedSci原创

Ivosidenib (AG-120)是一种口服的靶向药物,通过抑制突变的异柠檬酸脱氢酶1 (mIDH1)来抑制2-羟基戊二酸的合成。在本分析中,研究人报道了关于258位IDH1突变型晚期血液恶性肿瘤患者的1期研究中的34位新确诊的急性髓系白血病(AML)患者的预后。

中心点:

诊断的mIDH1 AML患者(中位年龄76岁)采用ivosidenib单药治疗的中位总生存期为12.6个月。

CR/CRh率为42.4%,64%的CR/CRh患者的突变清除提示ivosidenib可改变mIDH1 AML患者的生理。

摘要:

Ivosidenib (AG-120)是一种口服的靶向药物,通过抑制突变的异柠檬酸脱氢酶1 (mIDH1)来抑制2-羟基戊二酸的合成。在本分析中,研究人报道了关于258位IDH1突变型晚期血液恶性肿瘤患者的1期研究中的34位新确诊的急性髓系白血病(AML)患者的预后。

这34位AML患者不适合采用标准治疗,予以ivosidenib治疗,500mg /日。中位年龄76.5岁,其中26位(76%)有继发性AML,16位(47%)接受过1次及以上的低甲基化剂治疗前期血液病。

最常见的副作用是腹泻(18例,53%)、疲劳(16例,47%)、恶心(13例,38%)和食欲减退(12例,35%)。6位患者发生分化综合征,但不需要终止治疗。

晚期缓解(CR)+CR伴部分造血恢复(CRh)率为42.4%(95% CI 25.5-60.8%);CR率为30.3%(95% CI 15.6-48.7%)。CR+CRh和CR的中位持续时间均未达到,95% CI的下界分别是4.6和4.2个月。在第一年内,61.5%和77.8%的患者保持缓解。

中位随访23.5个月(范围0.6-40.9个月),中位总体存活期为12.6个月。其中21位(63.6%)患者在起始时为输血依赖,9位(42.9%)摆脱了输血依赖。IDH1突变清除见于9位获得CR+CRh的患者。

Ivosidenib 单药治疗新确诊的AML患者,耐受性良好,可诱导持久的缓解和输血不依赖性。

原始出处:

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    2019-12-22 内科新手

    谢谢梅斯提供这么好的信息,学到很多

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