Topline Results from Tofersen Phase 3 Study and its Open Label Extension in SOD1-ALS to be Presented at the American Neurological Association Annual Meeting

CAMBRIDGE, Mass., Oct. 14, 2021 (GLOBE NEWSWIRE) — Biogen Inc. (Nasdaq: BIIB) today announced topline results from its pivotal Phase 3 VALOR study of tofersen (BIIB067), an investigational antisense oligonucleotide (ASO) drug being evaluated for people with superoxide dismutase 1 ( SOD1 )