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Showing 1–24 of 69 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tau PET imaging scan Clear all
Completed Phase 1 Interventional Results available

Assessment of Hyperphosphorylated Tau PET Binding in Primary Progressive Aphasia and Frontotemporal Dementia

NCT02736695
View directory record Official record
Conditions
Primary Progressive Aphasia, Behavioral Variant of Frontotemporal Dementia, Frontotemporal Dementia, Behavioral Variant
Interventions
F-18 AV 1451
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting Phase 4 Interventional

Longitudinal Multi-Modality Imaging in Progressive Apraxia of Speech

NCT01818661
View directory record Official record
Conditions
PPA, Non-fluent Aphasia, Apraxia of Speech, Primary Progressive Non-fluent Aphasia, Primary Progressive Aphasia
Interventions
AV-1451
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Exploratory Evaluation of Flortaucipir Injection in Healthy Volunteers and Cognitively Impaired Subjects

NCT04474405
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Flortaucipir F18, Brain PET Scan, Whole body PET scan, Florbetapir F 18, Brain MRI
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
20 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
2
States / cities
Cypress, California • Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tau PET Imaging With 18F-AV-1451 in Subjects With MAPT Mutations

NCT02676843
View directory record Official record
Conditions
Frontotemporal Lobar Degeneration (FTLD), Frontotemporal Dementia (FTD), Tauopathies
Interventions
18F-AV-1451
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Results available

A Reader Study to Assess Accuracy and Reliability of Flortaucipir F 18 Positron Emission Tomography (PET) Scan Interpretation

NCT03901092
View directory record Official record
Conditions
Alzheimer Disease
Interventions
flortaucipir F 18
Drug
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
Not listed
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Neuroimaging Study

NCT03618186
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Tau PET scan
Combination Product
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2030
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Tau PET Imaging in the NACC Study Cohort

NCT03189485
View directory record Official record
Conditions
Normal Controls, MCI
Interventions
the radiotracer 18F-AV-1451
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
60 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Completed No phase listed Observational

A Biomarker Database to Investigate Blood-Based and Digital Biomarkers in Participants Screened for Alzheimer's Disease (Bio-Hermes)

NCT04733989
View directory record Official record
Conditions
Alzheimer Disease, Alzheimer Disease, Early Onset, Mild Cognitive Impairment, Memory Loss, Memory Disorders, Memory Impairment
Interventions
Biomarker Data Collection
Other
Lead sponsor
GAP Innovations, PBC
Industry
Eligibility
60 Years to 85 Years
Enrollment
1,002 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
16
States / cities
Aventura, Florida • Coral Gables, Florida • Lady Lake, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 8, 2026, 5:15 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Glucose Metabolic, Amyloid, and Tau Brain Imaging in Down Syndrome and Dementia

NCT00966017
View directory record Official record
Conditions
Down Syndrome, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
45 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2009 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Evaluation of [18F]RO6958948 as Tracer for Positron Emission Tomography (PET) Imaging of Tau Burden in Alzheimer's Disease Participants

NCT02792179
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
[18F]RO6958948
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
25 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Phase 1 Evaluation of [18F]MK-6240 PET as an Imaging Marker for Tau Protein

NCT03071224
View directory record Official record
Conditions
Alzheimer Disease, Healthy Volunteers
Interventions
[18F] MNI-946, [18F]Florbetapir
Drug
Lead sponsor
Invicro
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting Phase 3 Interventional

[18F]PI-2620 Phase 3 Histopathological Study

NCT05641688
View directory record Official record
Conditions
Alzheimer Disease
Interventions
[18F]PI-2620
Drug
Lead sponsor
Lantheus Biosciences Ltd.
Industry
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
25
States / cities
Phoenix, Arizona • Sun City, Arizona • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Completed No phase listed Observational Results available

Health & Aging Brain Study: Health Disparities TAU Project

NCT04324541
View directory record Official record
Conditions
Brain Aging in Mexican Americans
Interventions
PET scan of the brain with Flortaucipir
Diagnostic Test
Lead sponsor
Sid E. O'Bryant
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Sep 8, 2026, 5:15 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Tau Tracer Comparison in Healthy Controls and Alzheimer's Disease Patients

NCT03939780
View directory record Official record
Conditions
Healthy, Alzheimer Disease
Interventions
[F18]RO-948, [F18]MK-6240, [F18]AV1451
Diagnostic Test
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Terminated Phase 3 Interventional

LIFE-DSR-Biomarker Sub-study of Biomarkers in Down Syndrome Related Alzheimer's Disease (DS-AD)

NCT06860373
View directory record Official record
Conditions
Down Syndrome
Interventions
[18F]MK-6240
Biological
Lead sponsor
LuMind IDSC Foundation
Other
Eligibility
35 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Molecular Anatomic Imaging Analysis of Tau in Progressive Supranuclear Palsy

NCT02605785
View directory record Official record
Conditions
Progressive Supranuclear Palsy
Interventions
F-18 AV 1451
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years and older
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Tau Imaging of Chronic Traumatic Encephalopathy

NCT02191267
View directory record Official record
Conditions
Chronic Traumatic Encephalopathy
Interventions
[F18]-T807, [F18]-Florbetapir, MRI/MRS, Genetic Analysis for Genetic Risk Score for Tau.
Radiation · Device · Genetic
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years to 69 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Study to Understand Novel Biomarkers in Researching Dementia

NCT06547099
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Dementia
Interventions
Clinical tau PET, Clinical amyloid test, Research blood collection, Cognitive assessments
Diagnostic Test · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Tau PET Imaging in Atypical Dementias

NCT03283449
View directory record Official record
Conditions
Primary Progressive Aphasia With Suspected Alzheimer's Disease
Interventions
18F-AV-1451, PET
Drug · Device
Lead sponsor
University of Chicago
Other
Eligibility
20 Years to 100 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Flortaucipir PET in Healthy Volunteers and Cognitively Impaired Subjects

NCT01992380
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Flortaucipir F18, Brain PET scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Newport Beach, California • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 6, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Tau Screening Study in Patients With Early Symptomatic AD

NCT03322462
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Flortaucipir F18, Brain PET Scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
60 Years to 85 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
9
States / cities
San Diego, California • Santa Ana, California • Delray Beach, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting Not applicable Interventional

Molecular and Structural Imaging in Alzheimer's Disease: A Longitudinal Study

NCT02740634
View directory record Official record
Conditions
Atypical Alzheimer's Disease, Logopenic Progressive Aphasia (LPA), Posterior Cortical Atrophy (PCA), Alzheimer Disease, Alzheimer Disease, Early Onset, Amnestic Disorder, Amnestic Symptoms, Amnestic Mild Cognitive Disorder
Interventions
F-18 AV 1451, C-11 PiB
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 8, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Tau Screening Study in Subjects With Early Symptomatic AD

NCT03467477
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Flortaucipir F18, Brain PET Scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
60 Years to 85 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
9
States / cities
Irvine, California • Delray Beach, Florida • Fort Myers, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2020 · Synced Sep 8, 2026, 5:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Studies in Corticobasal Syndrome

NCT07000851
View directory record Official record
Conditions
Cortico Basal Degeneration, Corticobasal Syndrome, Corticobasal Syndrome(CBS), Corticobasal Degeneration, Corticobasal Degeneration (CBD), Corticobasal Syndrome (CBS)
Interventions
C-11 ER176 Radiotracer, C-11 PiB, AV1451 Tau
Diagnostic Test
Lead sponsor
Jennifer Whitwell
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 8, 2026, 5:15 AM EDT