Lancet:3联疗法治疗F508del纯合子囊性纤维化

2019-11-04 MedSci MedSci原创

研究认为,Elexacaftor、Tezacaftor+Ivacaftor对囊性纤维化F508del纯合子突变患者具有较好的治疗效果

囊性纤维化跨膜电导调节剂(CFTR)可以纠正CFTR突变缺陷。在F508del突变的囊性纤维化纯合子患者中,CFTR调节剂与增强剂的联用可改善患者症状。近日研究人员开展III期研究考察了新一代CFTR调节剂-- Elexacaftor (VX-445)、Tezacaftor+Ivacaftor对囊性纤维化F508del纯合子突变患者的疗效。

12岁以上,F508del纯合子突变的囊性纤维化患者参与研究,1s用力呼吸量40-90%,患者先接受4周的Tezacaftor+Ivacaftor治疗,随后随机接受200mg  Elexacaftor(每日1次)、100mg  Tezacaftor(每日1次)以及150mg Ivacaftor(每日2次)或100mg  Tezacaftor(每日1次)以及150mg Ivacaftor(每日2次)治疗,持续4周。研究的主要终点为4周1s用力呼吸量变化,次要终点为氯化钾浓度以及CFQ-R RD得分变化。

107名患者参与研究,其中55人接受3联疗法,52人接受2联疗法。4周后,Elexacaftor、Tezacaftor+Ivacaftor 3联疗法在1s用力呼吸量(LSM差异10%)、氯化钾浓度(LSM差异-45.1mmol/L)以及CFQ-R RD得分(LSM差异17.4分)变化的改善均优于2联组。3联疗法耐受性良好,未发生停药事件,大部分不良事件轻微,严重不良事件发生率较低(4% vs 2%)。

研究认为,Elexacaftor、Tezacaftor+Ivacaftor对囊性纤维化F508del纯合子突变患者具有较好的治疗效果。

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    2019-11-13 wolongzxh
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    2020-04-11 showtest
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    2020-10-11 howi
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    2019-11-04 一个字-牛

    学习了谢谢分享

    0

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