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Ultragenyx Phase 3 Aspire Trial Of Apazurersen Misses Key Goals In Angelman Syndrome
◆ Sectors
Biotech
◆ Geography
United States
◆ Source
◆ Verified
Fusion42 · 3 September 2026 · Fusion42 review
Ultragenyx reported that its Phase 3 Aspire trial of Apazurersen for Angelman Syndrome did not meet key efficacy goals, resulting in a sharp decline in its stock price.
This Wire brief sits within Fusion42's coverage of Biotech, and 2 sources have reported it.
◆ ◆ The Wire takeaway
Your biotech startup focusing on neurological disorders must revise drug pipelines as investor appetite tightens after critical trial failures; Ultragenyx’s setback signals tougher market conditions this quarter.
◆ Coverage
2 sources · 3 Sep 2026
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◆ Topics
Biotechclinical-trialbiotechangelman-syndromedrug-developmentphase-3trial-failure