Biogen to Acquire Alcyone Therapeutics, Expanding Drug Delivery Solution Portfolio for Key Product and Pipeline Candidates

CAMBRIDGE, Mass., Sept. 18, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) announced the company has entered into a definitive agreement to acquire Massachusetts-based Alcyone Therapeutics. As part of an existing partnership with Alcyone Therapeutics, the companies are advancing ThecaFlex DRx™, an implantable subcutaneous port and catheter device being investigated for the intrathecal delivery of antisense oligonucleotides (ASOs). ThecaFlex DRx™ is designed to provide an alternative to repeat lumbar punctures in chronic intrathecal administration of medicines, which could ease both patient experience and accessibility for a broader population of people living with neurologic disorders.