NEJM:Ivosidenib治疗IDH1突变型AML疗效喜人

2018-06-04 zhangfan MedSci原创

研究认为,对于存在异柠檬酸脱氢酶1突变的急性髓细胞样白血病患者,Ivosidenib治疗可有效缓解病情,部分患者可实现持久的病理学缓解

统计发现临床中6-10%的急性髓细胞样白血病(AML)患者存在异柠檬酸脱氢酶1(IDH1)突变,Ivosidenib是一种口服、靶向小分子突变IDH1抑制剂。近日研究人员开展I期临床研究,考察Ivosidenib单药治疗AML的疗效及安全性。

本次研究为剂量递增与扩张研究,参与人群接受安全性及疗效评估,主要终点为复发或难治性AML患者接受500mg每日 ivosidenib治疗后的疗效,随访6个月。

总计179名患者参与研究,Ivosidenib治疗后的3级以上不良事件包括:QT间期延长(7.8%)、IDH分化综合征(3.9%)、贫血(2.2%)、血小板减少或血小板计数减少(3.4%)以及白细胞增多(1.7%)。125人参与疗效评估,完全缓解以及完全缓解伴部分血液学缓解率为30.4%、完全缓解率为21.6%、总响应率为41.6%,上述患者的平均响应时间分别为8.2个月、9.3个月以及6.5个月。35%的患者无需输血,治疗响应患者感染及发热性中性粒细胞减少症的发生率降低。34名完全及部分血液学缓解患者中,7人(21%)数字聚合酶链反应分析无IDH 1突变残留。研究过程中,未发现单基因突变导致的治疗抗性。

研究认为,对于存在异柠檬酸脱氢酶1突变的急性髓细胞样白血病患者,Ivosidenib治疗可有效缓解病情,部分患者可实现持久的病理学缓解。

原始出处:

Courtney D. DiNardo et al. Dupilumab Efficacy and Safety in Moderate-to-Severe Uncontrolled Asthma. N Engl J Med. June 2, 2018.

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    2018-06-04 内科新手

    谢谢williamhill asia 提供这么好的信息,学到很多

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