NCT03618186
Neuroimaging Study
Enrolling by Invitation
PHASE2Ages 30+InterventionalDiagnosticMayo ClinicInvestigator-initiated
~240 participants
Updated 2026-06-12 on ClinicalTrials.gov
What's tested:Tau PET scan
At a glance
Recruiting sites
0 of 2 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Tau positive scans
Measured over 5 years
Conditions
NCT03618186
Where you'd take part
This study runs at 2 sites. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.
Mayo Clinic in Florida
Jacksonville, Floridano site contact published
Mayo Clinic Minnesota
Rochester, Minnesotano site contact published
Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.
Study leadership
- Neill R Graff-Radford, MD · PRINCIPAL_INVESTIGATOR · Mayo Clinic
Who to contact
This trial hasn't published a contact. View it on ClinicalTrials.gov
Want this trial checked against your situation?
Add a private profile and we'll compare every criterion below against your situation — and tell you which ones are met, uncertain, or excluding.
Eligibility criteria
Inclusion
Male or female African Americans 30 years of age or older
Subjects who have completed or are scheduled to undergo the neurological evaluation procedures described below.
Exclusion
Subjects unable to lie down without moving for 20 minutes.
Women who are pregnant or cannot stop breast feeding for 24 hours.
Claustrophobic patients unable to tolerate the scans.
Subjects with a prolonged QT interval (as demonstrated by ECG test) cannot participate in the Tau-PET scans.
What this trial measures
- Tau positive scans5 years
Percentage of each of the three groups with tau positive scans