Status:

RECRUITING

Epidemiology and Biomarker Study in Alzheimer's Disease

Lead Sponsor:

Eli Lilly and Company

Conditions:

Alzheimer Disease

Eligibility:

All Genders

55-75 years

Phase:

PHASE3

Brief Summary

Study AACU determines rates of cognitive worsening in participants within elevated and not elevated plasma P-tau217 cohorts. Participation in AACU will last approximately 7 years.

Detailed Description

Study AACU is a non-drug interventional study. The intervention is annual plasma P-tau217 testing. Enrollment is anticipated to be approximately 3400 participants.

Eligibility Criteria

Inclusion

  • The participant must self-report unimpaired cognition.
  • The participant must have adequate literacy, vision, and hearing for neuropsychological assessments at the time of screening.

Exclusion

  • Have seen a doctor about memory concerns.
  • Have a history or diagnosis of cognitive impairment, or significant other neurodegenerative disease that can affect cognition.
  • Are currently enrolled or have previously participated in any Alzheimer's Disease (AD)-related study involving an investigational drug intervention.
  • Are currently using or have previously used prescription medications for treatment of mild cognitive impairment (MCI) or dementia such as amyloid targeting therapy (that is, lecanemab, donanemab, aducanumab), cholinesterase inhibitors (for example, benzgalantamine, donepezil, galantamine, rivastigmine), and memantine.

Key Trial Info

Start Date :

August 25 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 1 2033

Estimated Enrollment :

3400 Patients enrolled

Trial Details

Trial ID

NCT07142954

Start Date

August 25 2025

End Date

July 1 2033

Last Update

October 21 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Care Access - Houston

Houston, Texas, United States, 77054

2

The University of Tokyo Hospital

Bunkyō City, Japan, 113-8654

3

Souseikai Sumida Hospital

Tokyo, Japan, 130-0004