The A4 study: Now is the time to join the fight to prevent Alzheimer's disease.
Am I eligible for the A4 study?

Eligibility Requirements

Participants in the Study have met the following criteria. If you have any questions regarding these requirements, contact the A4 Study today.
  • Are 65 to 85 years old
  • Have normal thinking and memory abilities
  • Have an A4 Study partner – someone who has at least weekly contact with you who can answer questions once a year
  • Are willing and able to receive IV infusions of the investigational treatment or placebo for 39 months (42 total infusions); all A4 participants must be willing and able to participate in all required procedures for the duration of the A4 Study.
  • Are willing to have your health monitored throughout the study using assessments such as:
    • Memory and thinking tests
    • ECGs (a look at your heart)
    • PET scan (a way to look for the plaques thought to be associated with AD)
    • MRI scans (a way to take a picture of your brain)
    • Blood and urine tests
Unfortunately, the A4 Study is not for everyone. You are not eligible to join the A4 Study if you:
  • Receive treatment for Alzheimer's disease or are taking AD-related medications
  • Are diagnosed with a current serious or unstable illness
  • Reside in a skilled nursing facility or nursing home