Common
Orexin antagonist
Class of drugs
Class of drugs
In medicine and pharmacology, an orexin receptor antagonist or orexin antagonist is a drug that inhibits the effect of orexin by acting as a receptor antagonist of one (selective orexin receptor antagonist, SORA) or both (dual orexin receptor antagonist, DORA) of the orexin receptors, OX1 and OX2. Medical applications include treatment of sleep disorders such as insomnia.
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