Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:20 AM EDT

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Showing 217–240 of 405 matching trials from the live ClinicalTrials.gov search.
Conditions
Withdrawal Symptoms, Opioid Use Disorder, Opioid Use
Interventions
Transcutaneous Cervical Vagal Nerve Stimulation, Sham Stimulation, [F-18]Fallypride
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 75 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Atlanta, Georgia
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
Conditions
Alzheimer's Disease (AD), Progressive Supranuclear Palsy (PSP), Cortical Basal Syndrome (CBS), Frontal Temporal Dementia (FTD)
Interventions
[18F]MNI-815 (MNI-815)
Drug
Lead sponsor
Molecular NeuroImaging
Other
Eligibility
50 Years to 90 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Traumatic Brain Injury, Blast Injuries
Interventions
3T Connectome MRI, 7 Tesla MRI, TSPO PET, Tau PET, Cognitive and Behavioral Assessments, Blood Biomarkers
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 45 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Brain mGluR5 Receptors Using [18F]SP203

NCT00538798
Conditions
Healthy, Glutamate Receptor, mGlur5 Protein, Excitatory Amino Acid Receptors, Drug Kinetics, PET Scan
Interventions
[18F]SP203
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Malignant Brain Neoplasm
Interventions
Computed Tomography, Fluorodopa F 18, Positron Emission Tomography
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Multiple Sclerosis
Interventions
F-18 3F4AP
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

EXPLORER PET/CT in Healthy Volunteers

NCT04110743
Conditions
Healthy
Interventions
EXPLORER PET/CT
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Sacramento, California
Conditions
Parkinson Disease
Interventions
[18F]MK-9470
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
18 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Withdrawn No phase listed Observational Accepts healthy volunteers

Brain Imaging Studies of the Effects of Cocaine Abstinence

NCT00581282
Conditions
Substance Abuse Disorder
Interventions
PET scan, fMRI
Radiation · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
21 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Irvine, California
Conditions
Healthy
Interventions
11C-JMJ-129
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 101 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Alzheimer Disease, Amyloid Beta-Protein
Interventions
Florbetaben (BAY94-9172)
Drug
Lead sponsor
Lantheus Biosciences Ltd.
Industry
Eligibility
55 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
7
States / cities
Sun City, Arizona • Stanford, California • New Haven, Connecticut + 3 more
Conditions
Alzheimer Disease, Progressive Posterior Cortical Dysfunction (PPCD)
Interventions
F 18 T807
Drug
Lead sponsor
Tammie L. S. Benzinger, MD, PhD
Other
Eligibility
45 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2 Interventional Accepts healthy volunteers

PET Imaging of Dopamine in Healthy Study Participants

NCT00062946
Conditions
Healthy
Interventions
(18F)fallypride
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers Results available

Imaging Biomarkers of Progression of Mobility Impairment in Parkinson Disease

NCT01106976
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Alzheimer's Disease
Interventions
11C-PIB PET Scan, FDG-PET Scan
Radiation
Lead sponsor
University of Utah
Other
Eligibility
30 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers Results available

PET Imaging and Olanzapine Treatment in Borderline Personality Disorder

NCT00275301
Conditions
Borderline Personality Disorder
Interventions
olanzapine
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Linking Tau PET to Medial Temporal Lobe Subregions With High Resolution MRI

NCT04251130
Conditions
Mild Cognitive Impairment
Interventions
2-(2-([18F]fluoro)pyridin-4-yl)-9H-pyrrolo[2,3-b:4,5-c']dipyridine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
60 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Dementia
Interventions
11C-ER176, 11C-PIB, Positron Emission Tomography (PET) Scan
Drug · Diagnostic Test
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 2 Interventional Results available

FLT-PET Imaging of Brain Tumors in Children

NCT01244737
Conditions
Brain Neoplasms
Interventions
[18F] FLT
Drug
Lead sponsor
Frederick Daniel Grant
Other
Eligibility
Up to 21 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting No phase listed Observational Accepts healthy volunteers

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

NCT05393388
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dopamine and Insulin Resistance

NCT00802204
Conditions
Obesity
Interventions
PET scan, Oral glucose tolerance test, MRI, Psychological scales to assess attitudes and behaviors related to eating and quality of life, Caloric Restriction
Radiation · Procedure · Behavioral + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Acoustic Schwannoma, Adult Anaplastic Astrocytoma, Adult Anaplastic Ependymoma, Adult Anaplastic Meningioma, Adult Anaplastic Oligodendroglioma, Adult Brain Stem Glioma, Adult Choroid Plexus Tumor, Adult Craniopharyngioma, Adult Diffuse Astrocytoma, Adult Ependymoblastoma, Adult Ependymoma, Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Adult Grade I Meningioma, Adult Grade II Meningioma, Adult Medulloblastoma, Adult Meningeal Hemangiopericytoma, Adult Mixed Glioma, Adult Myxopapillary Ependymoma, Adult Oligodendroglioma, Adult Papillary Meningioma, Adult Pilocytic Astrocytoma, Adult Pineal Gland Astrocytoma, Adult Pineoblastoma, Adult Pineocytoma, Adult Subependymal Giant Cell Astrocytoma, Adult Subependymoma, Adult Supratentorial Primitive Neuroectodermal Tumor (PNET), Childhood Choroid Plexus Tumor, Childhood Craniopharyngioma, Childhood Ependymoblastoma, Childhood Grade I Meningioma, Childhood Grade II Meningioma, Childhood Grade III Meningioma, Childhood High-grade Cerebellar Astrocytoma, Childhood High-grade Cerebral Astrocytoma, Childhood Infratentorial Ependymoma, Childhood Low-grade Cerebellar Astrocytoma, Childhood Low-grade Cerebral Astrocytoma, Childhood Medulloepithelioma, Childhood Supratentorial Ependymoma, Meningeal Melanocytoma, Newly Diagnosed Childhood Ependymoma, Recurrent Adult Brain Tumor, Recurrent Childhood Anaplastic Astrocytoma, Recurrent Childhood Anaplastic Oligoastrocytoma, Recurrent Childhood Anaplastic Oligodendroglioma, Recurrent Childhood Brain Stem Glioma, Recurrent Childhood Cerebellar Astrocytoma, Recurrent Childhood Cerebral Astrocytoma, Recurrent Childhood Diffuse Astrocytoma, Recurrent Childhood Ependymoma, Recurrent Childhood Fibrillary Astrocytoma, Recurrent Childhood Gemistocytic Astrocytoma, Recurrent Childhood Giant Cell Glioblastoma, Recurrent Childhood Glioblastoma, Recurrent Childhood Gliomatosis Cerebri, Recurrent Childhood Gliosarcoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Oligoastrocytoma, Recurrent Childhood Oligodendroglioma, Recurrent Childhood Pilocytic Astrocytoma, Recurrent Childhood Pilomyxoid Astrocytoma, Recurrent Childhood Pineoblastoma, Recurrent Childhood Pleomorphic Xanthoastrocytoma, Recurrent Childhood Protoplasmic Astrocytoma, Recurrent Childhood Subependymal Giant Cell Astrocytoma, Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor, Recurrent Childhood Visual Pathway and Hypothalamic Glioma, Recurrent Childhood Visual Pathway Glioma, Untreated Childhood Anaplastic Astrocytoma, Untreated Childhood Anaplastic Oligodendroglioma, Untreated Childhood Brain Stem Glioma, Untreated Childhood Cerebellar Astrocytoma, Untreated Childhood Cerebral Astrocytoma, Untreated Childhood Diffuse Astrocytoma, Untreated Childhood Fibrillary Astrocytoma, Untreated Childhood Gemistocytic Astrocytoma, Untreated Childhood Giant Cell Glioblastoma, Untreated Childhood Glioblastoma, Untreated Childhood Gliomatosis Cerebri, Untreated Childhood Gliosarcoma, Untreated Childhood Medulloblastoma, Untreated Childhood Oligoastrocytoma, Untreated Childhood Oligodendroglioma, Untreated Childhood Pilocytic Astrocytoma, Untreated Childhood Pilomyxoid Astrocytoma, Untreated Childhood Pineoblastoma, Untreated Childhood Pleomorphic Xanthoastrocytoma, Untreated Childhood Protoplasmic Astrocytoma, Untreated Childhood Subependymal Giant Cell Astrocytoma, Untreated Childhood Supratentorial Primitive Neuroectodermal Tumor, Untreated Childhood Visual Pathway and Hypothalamic Glioma, Untreated Childhood Visual Pathway Glioma
Interventions
gallium Ga 68-edotreotide, positron emission tomography, computed tomography, laboratory biomarker analysis
Radiation · Procedure · Other
Lead sponsor
Sue O'Dorisio
Other
Eligibility
6 Months to 29 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Histologically-confirmed Malignancies
Interventions
[18F] FLT, PET/CT scans
Radiation · Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
New York, New York