Evercore ISI 8th Annual HealthCONx Conference
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Idorsia (IDIA) Evercore ISI 8th Annual HealthCONx Conference summary

Event summary combining transcript, slides, and related documents.

Logotype for Idorsia Ltd

Evercore ISI 8th Annual HealthCONx Conference summary

3 Dec, 2025

Company background and pipeline

  • Founded in 2017, leveraging a legacy R&D team and pipeline dating back to 1997.

  • Three approved products: Clazosentan (Asia), Daridorexant/QUVIVIQ (13 countries), and Aprocitentan (US/EU).

  • Three phase 3 assets, including two partnered with Viatris and one (Lucerastat) for Fabry disease.

QUVIVIQ (Daridorexant) market performance and strategy

  • QUVIVIQ is recognized as best-in-class among DORAs due to rapid clearance and minimal next-day grogginess.

  • Launched in 2023, initially led NBRX with strong detailing and promotional campaigns.

  • Faced challenges in the US due to payer negotiations, late market entry, and Schedule IV status.

  • Shifted to a limited omnichannel model in late 2024, stabilizing revenues and improving paid prescriptions.

  • Awaiting a class-wide descheduling decision, which could expand access and retail pharmacy availability.

Regulatory and competitive landscape

  • FDA analysis for descheduling is complete; currently in HHS clearance before DEA review and public comment.

  • Class-wide descheduling effort is in collaboration with Eisai; all DORAs remain Schedule IV.

  • DORAs represent less than 2% of US insomnia prescriptions, but up to 30% in Japan and 5% in some European countries.

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