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The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS

Key Takeaway: The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS
Price reaction · baseline $174.8 (2025-12-19 close) · clean, no other BIIB news in the window
day 0 close · peak
-0.1%

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From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+34%
120-day peak, hindsight
Typical move
1.8%
average across 15 past catalysts
Lead asset
Alefacept
Phase 3 · Chronic Plaque Psoriasis

Full Press Release Details

The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS.
Last updated: Dec 22, 2025