Takeda's Orzeyful wins FDA approval as the first full-symptom narcolepsy type 1 drug, kicking off an orexin agonist race with Lilly and Alkermes close behind.

The milestone marks the first time a first-in-class drug using global clinical data has been filed and approved in China ahead of the rest of the world

The FDA approved a novel type of treatment for narcolepsy made by Takeda, backing a new drug class that scientists hope can be used to treat other conditions.