A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RO7812653 in Participants With Early Symptomatic Alzheimer's Disease (eAD)

This study is testing the safety and how a new experimental drug called RO7812653 behaves in the body in people with early-stage Alzheimer's disease, including those with mild memory problems or mild dementia. **You may be eligible if...** - You have been diagnosed with early Alzheimer's disease, either mild cognitive impairment (MCI) or mild dementia due to Alzheimer's - You are able to complete study assessments, either on your own or with a study partner's help - You can see and hear well enough to complete thinking and memory tests (glasses and hearing aids are allowed) - You can read and communicate in the language used at the study site **You may NOT be eligible if...** - Your memory or thinking problems are due to another cause - You have significant other health conditions that make participation unsafe Talk to your doctor to see if this trial is right for you.