Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:06 PM EDT

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Showing 49–72 of 405 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy Volunteers
Interventions
Brain Imaging (PET), Aterial Line, Blood Sampling
Procedure
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting No phase listed Observational Accepts healthy volunteers

Investigations of Dementia in Parkinson Disease

NCT02763683
Conditions
Parkinsons
Interventions
PiB and VAT
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Pharmacokinetics of ASP3662, Displacement of Radiotracer, Healthy Volunteers
Interventions
[11C]AS2471907, Positron Emission Tomography (PET), ASP3662
Other · Radiation · Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Results available

tACS for Amyloid-β Reduction in Alzheimer's Disease

NCT03290326
Conditions
Alzheimer Disease
Interventions
Transcranial Alternating Current Stimulation (tACS)
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Brain Imaging Study of Opioid (Morphine) and Non-opioid (Ketorolac) Conditioning Effects

NCT01576276
Conditions
Healthy Controls
Interventions
Integrated MR-PET scan, Ketorolac
Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Charlestown, Massachusetts
Terminated Phase 1 Interventional Accepts healthy volunteers

Imaging of CB1 Receptors Using (11C)SD5024

NCT01399398
Conditions
Healthy
Interventions
Brain Scan-PET, Brain Scan-MRI, Arterial Line, Venous Line, Blood Sampling
Procedure
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Brain Lesions, Brain Metastasis, Brain Metastases
Interventions
FLT PET/MR
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Malignant Central Nervous System Neoplasm, Metastatic Malignant Neoplasm in the Central Nervous System
Interventions
Gadolinium, Hyperpolarized Carbon C 13 Pyruvate, Magnetic Resonance Imaging, Magnetic Resonance Spectroscopic Imaging
Other · Drug · Procedure
Lead sponsor
Daniel M. Spielman
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Palo Alto, California
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Quantitative Imaging of Brain Glymphatic Function in Humans

NCT04768101
Conditions
Parkinson Disease
Interventions
[11C]-PIB
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
55 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
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
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
Conditions
Metastatic Malignant Neoplasm in the Brain, Primary Brain Neoplasm, Recurrent Brain Neoplasm
Interventions
Computed Tomography, Fluorothymidine F-18, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Metastatic Breast Cancer to the Brain
Interventions
18F-FLT-PET Imaging
Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 3 more
Conditions
Glioblastoma Multiforme, GBM
Interventions
18F-FET
Drug
Lead sponsor
Marcelo F. Di Carli, MD, FACC
Other
Eligibility
18 Years to 85 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Secondary-progressive Multiple Sclerosis
Interventions
Mayzent, Ocrevus
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Brain Metastases
Interventions
18F-Fluciclovine (Axumin), Pet Scan
Diagnostic Test
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Safety and Efficacy of Positron Emission Tomography Imaging With MNI-513

NCT01000870
Conditions
Alzheimer Disease
Interventions
MNI-513-01
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
55 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Not listed Phase 4 Interventional Accepts healthy volunteers

Dynamic Connectivity Under Metabolic Constraints

NCT04840095
Conditions
Insulin Resistance, Healthy, Diet Modification, Aging
Interventions
Ketones, Glucose
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Conditions
Parkinson's Disease, Multiple System Atrophy, Autonomic Failure
Interventions
13N-Ammonia, 18F-DOPA, 11C-Methylreboxetine (11C-MRB), 18F-Dopamine
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers

Norepinephrine Transporter Availability in PTSD

NCT01799837
Conditions
Posttraumatic Stress Disorder
Interventions
[C-11]MENET
Drug
Lead sponsor
Emory University
Other
Eligibility
30 Years to 70 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Completed No phase listed Observational

Escitalopram Neuroimaging Supplement

NCT01398865
Conditions
Body Dysmorphic Disorder
Interventions
PET scan and MRI scan
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Flortaucipir 18F PET Imaging in BIOCARD Study

NCT03052972
Conditions
Cognitive Decline
Interventions
Flortaucipir F18, Brain PET scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
Not listed
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Parkinson's Disease (PD), Parkinson's Disease, Parkinson's Disease (Disorder)
Interventions
[18F]MK-0947
Drug
Lead sponsor
Invicro
Other
Eligibility
18 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Acute Lymphoblastic Leukemia
Interventions
Allogeneic Hematopoietic Stem Cell Transplantation, Anti-CD19-CAR CMV-specific T-lymphocytes, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Echocardiography, Leukapheresis, Lumbar Puncture, Magnetic Resonance Imaging, Multi-peptide CMV-Modified Vaccinia Ankara Vaccine, Multigated Acquisition Scan, Positron Emission Tomography, Transplant Conditioning, X-Ray Imaging
Procedure · Biological · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Duarte, California