18-months Safety Follow-up Study of AADvac1, an Active Tau Vaccine for Alzheimer's Disease (FUNDAMANT)

This follow-up study continues to observe patients who have completed the phase 1 trial of AADvac1, for another 18 months.

Long-term safety and behavior of the immune response to AADvac1 over time are the main points of interest.

AADvac1 is a vaccine directed against pathologically modified Alzheimer tau protein that is the main constituent of neurofibrillary tangles (NFTs), and is intended to be a disease-modifying treatment for Alzheimer's disease, i.e. to halt its progress.

As this study is a Phase I study focused on tolerability and safety, efficacy will be assessed in an exploratory manner.