Biogen and Stoke partner on zorevunersen for Dravet syndrome, with a Phase 3 trial starting in 2025. Stoke gets $165 million upfront and milestone payments.

Biogen (NASDAQ:BIIB) and Stoke Therapeutics (NASDAQ:STOK) said on Tuesday they are collaborating to develop and commercialize zorevunersen, an investigational treatment for Dravet syndrome, in territories outside the United States,

Stoke Therapeutics Inc. (Nasdaq: STOK) has pulled in Biogen (Nasdaq: BIIB) to help it develop and commercialize a treatment it’s working on for Dravet syndrome, a rare, debilitating form of epilepsy that affects children.

Stoke Therapeutics Inc. and Biogen Inc. said Tuesday they are entering a collaboration to develop and commercialize a treatment for Dravet syndrome, a severe form of epilepsy that starts in childhood.