alexa Placebo effects in primary insomnia.


Journal of Sleep Disorders & Therapy

Author(s): Perlis ML, McCall WV, Jungquist CR, Pigeon WR, Matteson SE

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Abstract Placebo effects are commonly observed in insomnia clinical trials. With the advent of longer-term trials, such effects appear to be remarkably robust and durable. In this paper we review the classic factors that are believed to contribute to placebo effects and how these factors operate in insomnia randomized clinical trials. Beyond this we suggest that the episodic nature of insomnia may interact with patient preferences for intermittent dosing in such a way as to sustain placebo effects in the long term. An appreciation of the latter phenomenon may provide increased power to detect therapeutic outcomes and may be used to potentiate clinical gains. This article was published in Sleep Med Rev and referenced in Journal of Sleep Disorders & Therapy

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