1369764-02-2

Lemborexant (E-2006) is a dual antagonist of the orexin OX1 and OX2 receptors which is under development for treatment of insomnia.
Lemborexant is a DEA Schedule IV controlled substance. Substances in the DEA Schedule IV have a low potential for abuse relative to substances in Schedule III.|Lemborexant is a novel dual orexin receptor antagonist used in the treatment of insomnia characterized by difficulties with sleep onset and/or sleep maintenance. Recent research in the field of sleep disorders has revealed that insomnia is likely driven not by the inability of the brain to "switch on" sleep-related circuits, but rather an inability to "switch-off" wake-promoting circuits. Whereas historically popular pharmacologic treatments for insomnia (e.g. [zopiclone], [zolpidem], benzodiazepines) focus on enhancing sleep drive via modulation of GABA and melatonin receptors, lemborexant and other orexin antagonists (e.g. [suvorexant]) act to counteract inappropriate wakefulness. This novel mechanism of action offers potential advantages over classic hypnotic agents, including a more favorable adverse effect profile and potentially greater efficacy, and may signal the beginning of a new wave of treatment options for patients suffering from insomnia.|Lemborexant is an orexin receptor antagonist used for the treatment of insomnia and sleep disorders. Lemborexant therapy is associated with rare occurrence of transient serum enzyme elevations, but has not been implicated in cases of clinically apparent liver injury.