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STUDY OBJECTIVE: The objective of this study was to define and characterize the unmet needs in the pharmacological management of insomnia. METHODS: A systematic literature review was conducted to identify relevant literature reporting real-world evidence in insomnia, published from January 2009 to April 2020. Pharmacological treatments - both prescription (benzodiazepines, 'Z-drugs' and suvorexant) and off-label (antidepressants, antipsychotics, and antihistamines) - were considered. RESULTS: = 8) were identified. A high prevalence of comorbid conditions was reported in patients with insomnia resulting in significantly lower health-related QoL compared to those with insomnia or a comorbidity alone. Current treatment options were associated with adverse events, including reduced sleep quality and next-day somnolence. An increased risk of accidents/injuries was also associated with insomnia and its treatment. Furthermore, safety concerns and perceived lack of efficacy for approved treatments have led to frequent off-label prescribing, despite a lack of clinical evidence of risk/benefit ratios. Safety concerns associated with benzodiazepines include risk of dependence, leading to prolonged treatment persistence and exacerbated adverse events, making them unsuitable for use in patients with chronic insomnia. Finally, the substantial economic burden of insomnia was evident, with reduced work productivity demonstrated in patients with insomnia compared to the general population. CONCLUSIONS: This review highlights a clear unmet need for insomnia therapies that improve sleep quality without resulting in next-day impairment and/or dependence.
Campbell et al. (Thu,) studied this question.