Abstract
Purpose of Review
This is a comprehensive review of the literature regarding Lemborexant for the treatment of insomnia. It covers the background and management of insomnia and then reviews the body of existing evidence evaluating the use of Lemborexant for this purpose.
Recent Findings
Insomnia leads to significant decreased in quality of life and economic burden due to decreased workplace performance and increased health care costs. Insomnia manifests as a single common pathway of hyperarousal due to a highly complex network of interactions between activation of the sympathetic system and the endocrine system. Lemborexant is a dual orexin 1/2 antagonist that blocks cortical arousal and promotes sleep state transition. Lemborexant was approved by the FDA in 2019 for use in insomnia. It belongs to a class of orexin neuropeptide inhibitors that is growing in popular clinical application.
Summary
Insomnia is a crippling disorder of the sleep wake cycle that drives significant morbidity and mortality in the United States. It carries a high societal and economic toll due to direct and indirect effects to the healthcare system. Lemborexant is a new addition to the orexin antagonist class of drugs that already includes Almorexant and Suvorexant that has superior pharmacokinetic properties. While Lemborexant does have a mild side effect profile, its clinical safety and efficacy make it a promising insomnia drug of the future.
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