Usnoflast Neuromuscular Investigation for Treatment Efficacy in Amyotrophic Lateral Sclerosis

A phase 2b, randomized, double-blind, placebo-controlled, parallel-group, multicenter 36 weeks study to evaluate the efficacy, safety, pharmacokinetics, and pharmacodynamics of Usnoflast administered to adult subjects with Amyotrophic Lateral Sclerosis followed by 16 weeks open label extension study. This Open Label Extension will be a multicenter, 16-week, single arm study to confirm the long-term safety and efficacy of Usnoflast in subjects with ALS. Eligible subjects of all three arms of the main study will be recruited in the OLE phase and will receive Usnoflast (75 mg) for a total of 16 weeks BID (oral capsule administration).