Biol Psychiatry:Suvorexant可以治疗失眠患者

2015-12-14 candy 译 MedSci原创

背景:Suvorexant作为食欲素受体拮抗剂被用来治疗失眠。研究者报道3项试验的2个关键阶段的成果。方法:2项随机双盲安慰剂平行对照试验,为期3个月,受试者分为年龄在18-64岁之间的无老年失眠患者组,和年龄≥65岁的老年失眠患者组。Suvorexant的剂量为40/30mg(无老年组/老年组)和20/15mg(无老年组/老年组),治疗后对其进行评估。主要集中在40/30mg的剂量,少部分患者随

背景:Suvorexant作为食欲素受体拮抗剂,常被用来治疗失眠。研究者报道3项试验的2个关键阶段的成果。

方法:2项随机双盲平行、安慰剂对照试验,为期3个月,受试者分为年龄在18-64岁之间的无老年失眠患者组,和年龄≥65岁的老年失眠患者组。Suvorexant的剂量为40/30mg(无老年组/老年组)和20/15mg(无老年组/老年组),治疗后对其进行评估。大多数患者被分配到40/30mg剂量组,少部分患者随机使用20/15mg的剂量。有一个可选择的为期3个月的双盲延伸试验(试验1)。每个试验包括1个星期的随机双盲试验后的一个双盲治疗,以评估退出/反弹。效果评估在实验开始后1个星期、1个月、3个月,通过患者对总睡眠时间、入睡时间的主观报告,收集病人通过多导睡眠记录仪记录1晚、1个月、3个月时的持续睡眠后的失眠结束点,以及持续性睡眠潜伏期(LPS)。1021例失眠患者被随机纳入到试验1中,另外有1019例被纳入到试验2中。

结果:在为期3个月的两个试验的所有组和多导睡眠记录仪在1晚/1星期、1个月、3个月结点的结果均显示40/30mg的suvorexant优于安慰剂(除了在试验2中3个月时的LPS)。在两个试验的所有组中的总睡眠时间和1晚/1星期、1个月、3个月的持续入睡后的失眠,包括两个试验中大多数主观入睡时间的时间点和LPS,20/15mg的suvorexant优于安慰剂。两种剂量的suvorexant耐受性普遍良好,<5%的患者由于超过3个月的不良事件中断。当suvorexant被中断,结果并不意味立即的明显反弹、失效的征兆。

结论:超过3个月每晚以suvorexant治疗,可以促进入睡和睡眠持续性,并且是普遍安全和有良好耐受性的。

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