• Biogen and Stoke Therapeutics will collaborate to develop and commercialize zorevunersen for Dravet syndrome outside the U.S., Canada, and Mexico.
• Stoke's Phase 3 EMPEROR study of zorevunersen, expected to begin in mid-2025, aims to reduce seizure frequency and improve cognition and behavior in children with Dravet syndrome.
• Zorevunersen, an antisense oligonucleotide targeting the SCN1A gene, has shown promising results in earlier trials, including an 87% median reduction in convulsive seizure frequency.
• Biogen will provide Stoke with an upfront payment of $165 million, potential milestone payments up to $385 million, and tiered royalties on net sales in Biogen's territory.