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“LEQEMBI®” (lecanemab) IV Maintenance Dosing for the Treatment of Early Alzheimer’s Disease Approved in the United Kingdom

Key Takeaway: “LEQEMBI®” (lecanemab) IV Maintenance Dosing for the Treatment of Early Alzheimer’s Disease Approved in the United Kingdom
Price reaction · baseline $161.48 (2025-11-12 close) · hit after-hours · 3 other BIIB headline(s) in the window, move may be shared
day 0 close · peak
+2%

BiopharmaWatch Analysis

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

“LEQEMBI®” (lecanemab) IV Maintenance Dosing for the Treatment of Early Alzheimer’s Disease Approved in the United Kingdom.
Last updated: Nov 13, 2025