A Study to Assess the Safety, Tolerability, and Effect on Disease Progression of BIIB105 in Participants With Amyotrophic Lateral Sclerosis (ALS) and Participants With the ALS Ataxin-2 (ATXN2) Genetic Mutation
Stopped Sponsor's decision
Conditions
- Amyotrophic Lateral Sclerosis
Interventions
- DRUG: BIIB105
- DRUG: Placebo
Sponsor
Biogen