Safety and Efficacy of EXV-802 and EXV-801 in the Treatment of Agitation in Alzheimer's Disease Dementia

Inclusion criteria: 1. The participant is an adult male or female between the ages of 55 to 90 years inclusively, who can move around by themselves, with a walker, or with a wheelchair. 2. A previously established diagnosis of AD dementia. 3. The participant meets definition for agitation which require treatment with medicines. 4. The severity of agitation is at least moderate. Exclusion criteria: 1. The participant has a confirmed primary diagnosis of a dementia-related disease other than AD dementia. 2. The participant has symptoms of agitation that are due to psychiatric conditions other than AD dementia. 3. The participant has a history of uncontrolled seizures or a history of epilepsy. 4. The participant lacks a caregiver or support person who attends regularly to the participants' needs.