RecruitingPhase 2Drug trialEffects of THC-Free CBD Oil on Agitation in Patients With Alzheimer's DiseaseThis is a randomized, double-blinded, placebo-controlled, crossover trial that aims to 1) determine the efficacy of THC-free cannabidiol (CBD oil) in reducing the severity of agitation among participants and 2) determine whether THC-free CBD oil can reduce the burden on caregivers and increase the participants' quality of life.