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Novel Patented Myelin Drug-Discovery Strategy Targets Massive Unmet Need in Multiple Sclerosis

$BIIBPress releaseJun 22, 2026, 8:30 AM ETRead the release

Biogen is expanding its immunology pipeline through a definitive agreement to acquire RayThera Inc. for up to $1 billion. The deal structure consists of an upfront payment alongside payments contingent on future clinical and regulatory milestones. The acquisition will add multiple anti-inflammatory assets to Biogen's portfolio, including a lead asset poised to enter Phase 1 development.

Key figures

Deal Value Usd
$1 billion

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