Preclinical models suggest that riluzole, the active metabolite of BHV-4157, may protect from
AD-related pathology and cognitive dysfunction. Titrated dose of BHV-4157 to 280 mg, or
placebo, taken orally once daily. Duration of treatment is 48 weeks. There is also a
screening period of up to 42 days; and a 4-week post-treatment observation period.