The A4 study: Now is the time to join the fight to prevent Alzheimer's disease.

Study Results

Now is the time to learn about findings from nearly a decade of research.

Anyone can sign up to receive an email and/or text message to be among the first to know about the A4 Study results once they are made public. If you are a participant in the A4 Study, your local study site will also be in contact with you to provide additional details about what the results mean and how they affect you.  

By signing up for an email or text message from the A4 Study, we hope the first time you hear about the study results will be from the A4 Study team. You will receive a confirmation email/text as soon as you sign up. Results are expected in Spring 2023.

If you have any questions, please contact the A4 Study team at

Email sign up

Enter your first name and email address to receive the initial A4 Study results as soon as they are released.

By submitting this form, you are consenting to receive marketing emails from: A4, 9860 Mesa Rim Road, San Diego, CA, 92121. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact

Text message sign up

Text the word Results to (888) 301-9155 to receive a text notification as soon as the initial A4 Study results are released.

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