Repurposing Bromocriptine for Abeta Metabolism in Alzheimer's Disease

The goal of this clinical trial is to learn about safety and efficacy of bromocriptine in familial Alzheimer's disease with presenilin 1 mutations. The main questions it aims to answer are: •safety of bromocriptine •efficacy of bromocriptine Participants will answer questions, have blood exams, lumbar punctures and MRI/PET scans. Researchers will compare a participants group taking bromocriptine with a participants group taking placebo to see if there is any changes in cognitive function, and behavioral and psychiatric symptoms with dementia.