Idorsia Requests DEA Lift Controlled Substance Restrictions On Dual Orexin Receptor Antagonists For Insomnia

Schedule IV classification for Idorsia’s Quviviq, along with Merck & Co’s Belsomra and Eisai’s Dayvigo, distorts the drug class’ benefit-risk profile relative to other insomnia treatments, which are prioritized for prescribing but carry higher risk of abuse and other adverse events, company says.

Nighttime alarm clock
Idorsia seeks controlled substance descheduling for a class of insomnia medicines. • Source: Shutterstock

Removing the controlled substance scheduling restrictions from the dual orexin receptor antagonist (DORA) class of chronic insomnia drugs would improve patient access to a less harmful class of products and mark an incremental step toward reducing safety issues in patients who combine opioids with sleep disorder treatments, a new citizen petition states.

Idorsia Pharmaceuticals Ltd, which markets the insomnia drug Quviviq (daridorexant), has petitioned the Drug Enforcement Administration to initiate a...

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