ORZEYFUL Approved in Japan to Treat Cause of Narcolepsy Type 1

Just announced from Takeda Pharmaceuticals: ORZEYFUL (oveporexton) Approved in Japan as the First and Only Medicine to Treat the Underlying Cause of Narcolepsy Type 1

OSAKA, Japan and CAMBRIDGE, Massachusetts, August 24, 2026 – Takeda (TSE:4502/NYSE:TAK) announced that the Japanese Ministry of Health, Labour and Welfare (MHLW) approved the use of ORZEYFUL (oveporexton) for the treatment of narcolepsy type 1 (NT1, narcolepsy with cataplexy) in adults.

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