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Published on: February 17, 2023
Treatment Options for Insomnia in Schizophrenia: A Systematic Review
Pedro Oliveira1,2, Manuel Coroa1,2, Nuno Madeira1,2
1Psychiatry Department, Coimbra Hospital University Centre, Coimbra, Portugal.
Background:
Insomnia is a common feature of schizophrenia. Although several studies have been published about the influence of certain drugs on schizophrenia patients' sleep, there are no well-grounded recommendations about insomnia treatment in this clinical setting. The present review aimed to identify relevant empirical evidence on available treatments of insomnia in patients with schizophrenia, assessing their safety and efficacy.
Methods:
This is a systematic review of clinical trials investigating the effect of treatments for insomnia in patients with a diagnosis of schizophrenia. Data were obtained from Medline/PubMed, Embase, PsycInfo, and the Cochrane Library. Risk of bias was assessed in individual studies for selection, performance, detection, attrition, and reporting bias.
Results:
Four studies met inclusion criteria; 2 using melatonin, 1 using paliperidone, and 1 with eszopiclone. All reported positive results: melatonin increased sleep efficiency and total duration of sleep; paliperidone decreased sleep latency onset and increased total sleep time and sleep efficiency; eszopiclone decreased insomnia severity index.
Conclusions:
Despite a very limited number of specific studies on this matter, all 4 studies have shown good benefit/risk ratios and reviewed options-melatonin, paliperidone, and eszopiclone-might represent valid options for residual insomnia in schizophrenia.
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