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Alzheimer Prevention Trials (APT) Webstudy

Who can join

Ages 50 to 85 · All sexes · Healthy volunteers welcome

Inclusion Criteria:

* male or female at least 50 years of age
* no evidence of dementia
* willing to participate in remote longitudinal cognitive testing and possible referral for biomarker assessment based on risk

Exclusion Criteria:

* N/A. Anyone can register for the APT Webstudy, however, only individuals identified using the risk algorithm will be referred for in-person biomarker assessments.

About the study

The goal of the Alzheimer Prevention Trials (APT) Webstudy is to accelerate enrollment for Alzheimer's disease (AD) clinical trials by identifying and tracking individuals who may be at higher risk for developing AD dementia.

Sponsor: University of Southern California · Participants: 200,000 · Started: Dec 20, 2017

Contact the study team

• APT Webstudy Team · Phone: 858-877-3135

Official record on ClinicalTrials.gov — NCT03638583

Locations in the U.S.

Conditions

• Alzheimer's Disease
• Dementia

From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.