Mol Psychiat:抗抑郁药到底起不起作用?看专家研究结果!

2017-08-19 枫丹白露 来宝网

在“新闻周刊”和CBS广播60分钟的国际媒体中引起了广泛关注的理论,表明抗抑郁药物如SSRIs并没有发挥实际的抗抑郁作用。 Sahlgrenska学院的一个研究小组现在已经分析了临床试验的数据,并可以反驳这一理论。



新研究驳斥了抗抑郁药不起作用的说法】在“新闻周刊”和CBS广播60分钟的国际媒体中引起了广泛关注的理论,表明抗抑郁药物如SSRIs并没有发挥实际的抗抑郁作用。 Sahlgrenska学院的一个研究小组现在已经分析了临床试验的数据,并可以反驳这一理论。

根据有挑战的假设,许多抗抑郁药物治疗的人都认为自己的改善可能归因于安慰剂效应。

然而,如果SSRIs确实仅仅是通过安慰剂作用,这些药物在临床试验中不应超过实际的安慰剂,在临床试验中,患者接受了SSRI或无效安慰剂治疗,而且医师和患者都不知道患者已经接受治疗,直到研究结束。

为了解释为什么抗抑郁药在这种试验中经常比安慰剂引起更大的症状缓解,有人建议SSRI引起的副作用将使患者了解他或她没有得到安慰剂,从而提高他或她的信念给予有效的治疗。

因此,在许多研究中已经证明的SSRIs的有益效果应该是根据这一理论,不是因为这些药物在脑中发挥特异性生化抗抑郁作用,而且药物的副作用增强了心理安慰剂效应。

尽管事实上从未有过强有力的科学支持,但是这一理论已被广泛传播。因此,迄今为止,临床试验中的个体是否遭受抗抑郁药物的副作用,从未有过调查,因此可能猜测他们没有接受安慰剂,对治疗反应比没有副作用的患者更有利。

为了研究,瑞典哥德堡Sahlgrenska学院的一个研究小组现在已经分析了临床试验中曾经采用的两种最常用的SSRIs的抗抑郁药效能数据:帕罗西汀和西酞普兰。

包括3 344例患者的分析显示,两种研究的药物在没有出现任何副作用的患者中,对于抗抑郁药效力明显优于安慰剂。抗抑郁药优于安慰剂的理论只是通过副作用使患者意识到他们没有接受安慰剂,并提高了改善的预期,因此可能被拒绝。

研究人员得出结论,这项研究以及同一组织的其他最新报告为SSRIs发挥特异性抗抑郁作用的假设提供了有力的支持。他们表明媒体频频质询这些药物是不合理的,可能使抑郁症患者得不到有效的治疗。

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    2018-03-28 wetgdt
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    2017-08-19 1771ae4158m

    学习一下很不错

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