Spiromacrocyclic compounds acting as orexin OX2 receptor agonists have been described in an H. Lundbeck A/S patent and reported to be useful for the treatment of type 1 and type 2 narcolepsy.

Idorsia has become the first drugmaker in the EU to claim approval for a drug for chronic insomnia in the dual orexin receptor antagonist class, ahead of rival drugs from Merck & Co and Eisai.

More information: Insung Park et al, Orexin receptor antagonist increases fat oxidation and suppresses protein catabolism during sleep in humans, iScience (2024). DOI: 10.1016/j.isci.2024.110212 ...

However, Belsomra may be better for helping you maintain sleep throughout the night. Belsomra is an orexin receptor antagonist. Orexin is a neurotransmitter, a chemical in the brain that attaches ...