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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:46 AM EDT

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Showing 241–264 of 405 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Brain PET Scan Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Characterization of [11C]Flumazenil to Image GABA Transmission in Healthy Adult Subjects and Subjects With Alcohol Dependence

NCT01904487
View directory record Official record
Conditions
Alcoholism
Interventions
[11C]flumazenil, Tiagabine
Radiation · Drug
Lead sponsor
Rajesh Narendran
Other
Eligibility
18 Years to 45 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated No phase listed Observational

Methionine and PBR28-PET (Peripheral Benzodiazepine Receptors) in Brain Metastases Following Radiosurgery

NCT02433171
View directory record Official record
Conditions
Brain Metastasis
Interventions
Standard of Care FDG-PET Imaging
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Radiotracer [18F]Fluortriopride ([18F]FTP) by PET/CT

NCT02379338
View directory record Official record
Conditions
Healthy
Interventions
[18F]Fluortriopride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated Phase 1 Interventional

Non-invasive Measurement of PD-L1 Levels With Positron Emission Tomography (PET) in Head and Neck Malignancies and Intracranial Metastases

NCT05408871
View directory record Official record
Conditions
Cancer Head Neck, Metastatic Cancer, Metastatic Lung Cancer
Interventions
adnectin 18F-BMS-986192 Head and Neck Cancer, adnectin 18F-BMS-986192 Brain Metastases
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of [18F]APN-1607 as a PET Biomarker

NCT05005819
View directory record Official record
Conditions
Progressive Supranuclear Palsy, Healthy Volunteers
Interventions
[18F] APN-1607
Drug
Lead sponsor
Invicro
Other
Eligibility
50 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

University of Pittsburgh Brain Health Initiative

NCT04708613
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Cognitive/Neuropsychological Testing, Vestibular/Ocular-Motor Testing, Sleep Evaluation, MRI, High-Resolution, Health & Physical Exam, Physical Function, Blood Testing and Biomarker Analysis, Applanation Tonometry, PET brain imaging, [C-11]6-OH-BTA-1, [F-18]AV-1451
Diagnostic Test · Drug
Lead sponsor
David Okonkwo, MD, PhD
Other
Eligibility
29 Years to 59 Years · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Investigation of Cocaine Addiction Using mGluR5 PET and fMRI

NCT03471182
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Psychiatric and Cognitive Testing, Cocaine Self-adminstration, Positron Emission Tomography, Magnetic Resonance Imaging
Behavioral · Drug · Radiation + 1 more
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Longitudinal Imaging of Microglial Activation in Different Clinical Variants of Alzheimer's Disease

NCT04576793
View directory record Official record
Conditions
Alzheimer Disease
Interventions
11C-ER176, 18F-MK6240, 18F-Florbetaben, Lumbar Puncture
Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of [11C]DPA-713 for Temporal Lobe Epilepsy

NCT01793532
View directory record Official record
Conditions
Epilepsy, Temporal Lobe
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 17, 2026, 6:46 AM EDT
Withdrawn Phase 2 Interventional

TAU PET Imaging in Northern Manhattan Study of Metabolism and Mind

NCT03024944
View directory record Official record
Conditions
Diabetes Mellitus, Alzheimer Dementia
Interventions
18F-THK-5351
Drug
Lead sponsor
Columbia University
Other
Eligibility
55 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 29, 2017 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting No phase listed Observational

Identifying Cerebral Hemodynamic Patterns in Mood Disorders and Mild Cognitive Impairment: A Functional Near-Infrared Spectroscopy (fNIRS) Study

NCT06897670
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder, Mild Cognitive Impairment
Interventions
Observational assessment using functional near-infrared spectroscopy (fNIRS), a noninvasive, portable brain imaging tool that measures changes in brain blood flow and oxygen levels.
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Completed No phase listed Observational

PET Imaging of DHA Metabolism

NCT00074503
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 17, 2026, 6:46 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

R21 Roche: 3-Way Tau Tracers in AD

NCT05464368
View directory record Official record
Conditions
Alzheimer Disease
Interventions
[18F]RO-948, 18F-MK6240, 18F-GTP1
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 100 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Identifying Correlates of Brain Microglial Activation in Neuropsychiatric Syndromes: a Dimensional Approach

NCT03705715
View directory record Official record
Conditions
Neuropsychiatric Syndromes
Interventions
PET with radiotracer [11C]PBR-28 ( or [11C]ER176), Affective challenge
Drug · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 17, 2026, 6:46 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Neurochemical Mechanisms of the Awake vs. Anesthetized Brain

NCT05435560
View directory record Official record
Conditions
Anesthesia, Healthy
Interventions
Dexmedetomidine, Saline
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Oct 17, 2026, 6:46 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluation of Neuroinflammation FNOS PET/CT in HIV (+) and (-) Subjects With OUD and Healthy Controls

NCT04401917
View directory record Official record
Conditions
HIV Infections, Opioid Use
Interventions
[18F]NOS
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Imaging Synapses With [11C] UCB-J in the Human Brain

NCT04038840
View directory record Official record
Conditions
Schizophrenia
Interventions
[11C]UCB-J radiotracer, PET-MR
Drug · Device
Lead sponsor
Davidzon, Guido, M.D.
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated Phase 2 Interventional

To Evaluate Safety, Tolerability and Pharmacological Effects of PU AD in Subjects With Mild AD Dementia

NCT04311515
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Tau Positron emission tomography (PET), Fluorodeoxyglucose (FDG) Positron emission tomography (PET), Cerebrospinal fluid (CSF) Biomarkers, Blood Biomarkers, Rating Scales, PU-AD, Placebo
Radiation · Diagnostic Test · Behavioral + 1 more
Lead sponsor
Samus Therapeutics, Inc.
Industry
Eligibility
55 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
10
States / cities
Boca Raton, Florida • Delray Beach, Florida • Lake Worth, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 1 Interventional

Assess Use of 18F-Fluciclovine for Patients With Large Brain Metastases Treated With Staged Stereotactic Radiosurgery

NCT04689048
View directory record Official record
Conditions
Brain Metastases, Adult, Brain Metastases, Brain Cancer
Interventions
18F fluciclovine
Drug
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional

Phase I Study of Cellular Immunotherapy for Recurrent/Refractory Malignant Glioma Using Intratumoral Infusions of GRm13Z40-2, An Allogeneic CD8+ Cytolitic T-Cell Line Genetically Modified to Express the IL 13-Zetakine and HyTK and to be Resistant to Glucocorticoids, in Combination With Interleukin-2

NCT01082926
View directory record Official record
Conditions
Anaplastic Astrocytoma, Anaplastic Ependymoma, Anaplastic Meningioma, Anaplastic Oligodendroglioma, Brain Stem Glioma, Ependymoblastoma, Giant Cell Glioblastoma, Glioblastoma, Gliosarcoma, Grade III Meningioma, Meningeal Hemangiopericytoma, Mixed Glioma, Pineal Gland Astrocytoma, Brain Tumor
Interventions
therapeutic allogeneic lymphocytes, aldesleukin, laboratory biomarker analysis, positron emission tomography
Biological · Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PET Imaging of Phosphodiesterase-4 (PDE4) in Brain and Peripheral Organs of McCune-Albright Syndrome

NCT02743377
View directory record Official record
Conditions
Nervous System Disease
Interventions
Brain PET Imaging with 11C Rolipram, Whole Body PET Baseline with 11C Rolipram, Whole Body PET Blocked with Roflumilast
Other · Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated Phase 1 Interventional Results available

[11C]-(R)-Rolipram to Measure cAMP Signaling Before and After Ketamine

NCT05522673
View directory record Official record
Conditions
Depression
Interventions
11(R)-rolipram
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Tau Pet Imaging in the Aging Brain Cohort Dedicated to Diversity Study

NCT05393388
View directory record Official record
Conditions
Cognitive Decline, Alzheimer Disease
Interventions
[18F]AV-1451
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Development of a Database to Investigate Digital and Blood-Based Biomarkers and Their Relationship to Tau and Amyloid PET Imaging in Older Participants Who Are Cognitively Normal (CN), Have Mild Cognitive Impairment (MCI), or Have Mild-to-Moderate AD Dementia

NCT06584357
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease, Alzheimer's Disease, Early Onset, Memory Loss, Memory Disorders, Memory Impairment
Interventions
Biomarker Data Collection, MK6240
Other · Radiation
Lead sponsor
GAP Innovations, PBC
Industry
Eligibility
60 Years to 90 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
22
States / cities
Atlantis, Florida • Aventura, Florida • Clermont, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 17, 2026, 6:46 AM EDT