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Lancet Psychiatry:美替拉酮治疗难治性抑郁症临床效果不佳

2015-12-26 MedSci MedSci原创

许多重度抑郁障碍患者有难治性抑郁症,定义为连续两个疗程的抗抑郁药没有充分响应。一些证据表明,抗抑郁药抗糖皮质激素的增强可能会有效治疗抑郁症患者。该研究的目的是测试抗抑郁药美替拉酮对于临床相关的难治性抑郁症患者血清素增加的概念证明。这项双盲,随机,安慰剂对照试验从三个地区(英格兰东北部,西北英格兰,以及利兹和布拉德福地区)的七个英国国民健康服务(NHS)招募患者。符合条件的患者年龄在18-65岁,患

许多重度抑郁障碍患者有难治性抑郁症,定义为连续两个疗程的抗抑郁药没有充分响应。一些证据表明,抗抑郁药抗糖皮质激素的增强可能会有效治疗抑郁症患者。该研究的目的是测试抗抑郁药美替拉酮对于临床相关的难治性抑郁症患者血清素增加的概念证明。

这项双盲,随机,安慰剂对照试验从三个地区(英格兰东北部,西北英格兰,以及利兹和布拉德福地区)的七个英国国民健康服务(NHS)招募患者。符合条件的患者年龄在18-65岁,患有难治性抑郁症(汉密尔顿抑郁量表17项评分≥18,马萨诸塞州总医院治疗顽固性抑郁症分期评分为2-10)​​,并采用单药或联合抗抑郁药的治疗,包括血清素的药物。患者通过集中式网络为基础的系统被随机分配(1:1)接受美替拉酮(500mg,每日两次)或安慰剂,除了现有的抗抑郁剂的方案,为期21天。置换块随机化用的两个或四个的块大小,通过中心和一级或二级护理设置进行分层。主要成果是随机分组5周后蒙哥马利-艾森贝格抑郁量表(MADRS)得分的改善,在所有随机分配的患者并且已完成5周MADRS评估采用改良的意向性治疗进行分析。

在2011年2月8日和2012年12月10日之间,165例患者被招募和随机分配(83例至甲吡酮组,82例至安慰剂组),143(87%)完成了甲吡酮的主要成果评估(69 [83%]和74,安慰剂组[90%])。在5周时,两组之间MADRS得分没有显著差异(美替拉酮组21.7分[95%Cl 19.2-24.4] vs 安慰剂组22.6分[20.1-24.8];调整后平均差异-0.51分[95%Cl -3.48至2.46];p=0.74)。共发生12例严重不良事件,美替拉酮组83例患者发生4(5%)例,安慰剂组82例患者发生6(7%)例,其中没有与研究治疗相关的。共有134例不良事件发生,美替拉酮组中发生58(70%)例患者,安慰剂组发生45(55%)例,其中美替拉酮组中11(8%)例事件和安慰剂组的4(4%)例事件是由研究者在事件发生时判断为可能与研究药物相关。

抗抑郁药的美替拉酮增强对于NHS中难治性抑郁症患者人群不具有广泛代表性,因此不是难治性抑郁症患者在日常临床实践的一个选择。还需要进一步研究,来确定如果这种增强可能对于下丘脑垂体肾上腺轴异常亚群有益。

原始出处:

R Hamish McAllister-Williams,Ian M Anderson,Andreas Finkelmeyer,et al.Antidepressant augmentation with metyrapone for treatment-resistant depression,Lancet Psychiatry,2015.12.22

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    2016-05-10 howi
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    2015-12-28 freve
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