Eligible participants for this study must have a diagnosis of probable Alzheimer's disease (AD) and must have clinically significant, moderate/severe agitation secondary to AD.
This is a multicenter, randomized, double-blind, placebo-controlled study, consisting of 12 weeks of treatment.
Approximately 750 participants will be enrolled at approximately 110 centers worldwide.
Study medication will be administered orally twice-daily from Day 1 through Day 85. Screening will occur within approximately 4 weeks prior to randomization. Following screening procedures for assessment of inclusion and exclusion criteria, eligible participants will be randomized into the study.

