Ionis Pharmaceuticals Reveals 'Unprecedented Results' From Rare Neurological Disease Trial
Sep 22, 2025, 9:33 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting
The strong efficacy results for zilganersen suggest a promising market potential, similar to previous successful drug developments by Ionis that led to increased stock value.
AI summary
What happened, with direct paths to the underlying reporting
Zilganersen shows positive results for treating Alexander disease in pivotal study. Statistically significant improvement in gait speed observed after 61 weeks. First investigational drug to demonstrate disease-modifying effects in AxD. Ionis to submit a new drug application to the FDA in Q1 2026. Share price rose 4.88% during premarket following positive study results.
Zilganersen shows positive results for treating Alexander disease in pivotal study.
Statistically significant improvement in gait speed observed after 61 weeks.
First investigational drug to demonstrate disease-modifying effects in AxD.
Ionis to submit a new drug application to the FDA in Q1 2026.
Share price rose 4.88% during premarket following positive study results.
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