Biogen and Stoke Therapeutics Announce Publication of Two-Year Natural History Data Demonstrating the Severity of Dravet Syndrome, Including Frequent Seizures and Significant Cognitive and...
Biogen Inc. (BIIB)
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Source: GlobeNewswire
– Despite treatment with standard-of-care anti-seizure medicines, children with Dravet syndrome experienced high seizure burden and plateaued in neurodevelopment, resulting in a widening gap relative to children with typical development – – Findings underscore the urgent need for new medicines that target the underlying genetic cause of Dravet syndrome to improve long-term outcomes – CAMBRIDGE, Mass. and BEDFORD, Mass., Nov. 17, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) and Stoke Therapeutics, Inc. (Nasdaq: STOK), a biotechnology company dedicated to restoring protein expression by harnessing the body’s potential with RNA medicine, today announced the publication of final data from the BUTTERFLY study, a prospective, two-year natural history study in people with Dravet syndrome. Dravet syndrome is a severe developmental and epileptic encephalopathy (DEE) characterized by recurrent seizures and significant cognitive and behavioral impairments. There are currently no appro
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News
- Biogen and Stoke Therapeutics Present Data that Further Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 2025 American Epilepsy Society (AES) Annual MeetingGlobeNewswire
- Eisai Presents New Data on the Continued and Expanding Benefit of LEQEMBI® (lecanemab-irmb) Maintenance Treatment in Early Alzheimer's Disease at the Clinical Trials on Alzheimer's Disease (CTAD) Conference 2025PR Newswire
- New Data Presented at the Clinical Trials on Alzheimer's Disease (CTAD) Conference 2025 Confirms Pharmacological Effect of LEQEMBI® (lecanemab-irmb) on Neurotoxic Aß Protofibrils in CSFPR Newswire
- Stoke Therapeutics and Biogen Announce Presentations at the 2025 American Epilepsy Society Annual Meeting [Yahoo! Finance]Yahoo! Finance
- Biogen (NASDAQ:BIIB) had its price target raised by analysts at Jefferies Financial Group Inc. from $190.00 to $210.00. They now have a "buy" rating on the stock.MarketBeat
BIIB
Earnings
- 10/31/25 - Beat
BIIB
Sec Filings
- 12/3/25 - Form 4
- 11/13/25 - Form SCHEDULE
- 11/10/25 - Form SCHEDULE
- BIIB's page on the SEC website