Neurodegenerative disease

Analysts, investors and scientists are eager for Biogen’s 2026 BIIB080 readout. Even if successful, executives warn that there are many more steps before the Alzheimer’s therapy could reach the market.
The FDA in July last year declined to approve UX111 for Sanfilippo syndrome, a rare neurodegenerative disorder, citing manufacturing issues. Ultragenyx resubmitted its application ten days ago, expecting a six month review time.
After a series of deaths in patients taking Sarepta Therapeutics’ gene therapies, doubt has crept into investor sentiments around the long-time Wall Street darling, and patients may soon begin looking elsewhere.
After years of contraction, investors see biotech reentering a growth cycle driven by scientific progress, asset quality and renewed conviction in oncology, obesity and neuroscience innovation.
Roche’s obesity candidate achieves 22.5% weight loss in Phase II; Moderna pulls the plug on late-stage vaccine trials as Health Secretary Robert F. Kennedy’s anti-vaccine policies and rhetoric continues; and embattled gene therapy maker Sarepta announces new data in Duchenne muscular dystrophy.
After a spate of patient deaths in 2025 linked to the company’s Duchenne gene therapy, Sarepta shared new data showing benefits of the therapy three years after dosing.
Fueled by advances in biomarkers, brain mapping, and AI, investment in neuro and CNS innovation shows no signs of slowing, even amid costly setbacks. BioSpace spoke to investors at JPM26 to get their take on recent bets in new therapies and neurotech.
Following the hard-won success of early anti-amyloid drugs, a new generation of Alzheimer’s modalities—from tau-targeting gene silencers to blood-brain barrier delivery platforms—is entering the pipeline to anchor future combination therapies.
After a cacophony of troubles hit the RNA editing biotech last fall, CEO Ram Aiyar is in San Francisco to develop partnerships, pitch the potential of its new AATD program and find more money to keep the dream alive.
Three years after the accelerated approval of its anti-amyloid Alzheimer’s therapy, Biogen—neck and neck in the market with Eli Lilly and its Kisunla offering—is focused on a near-term FDA decision for a subcutaneous induction dose of Leqembi, a presymptomatic readout in 2028 and a clutch of next-generation candidates.
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