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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: TSPO PET Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

PET Imaging of Neuroinflammation in Neurodegenerative Diseases Via a Novel Translocator Protein (TSPO) Radioligand

NCT03958630
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 3, 2026, 3:51 AM EDT
Recruiting Phase 1 Interventional

Molecular Imaging Probes to Inform Heterogeneity in Idiopathic Pulmonary Fibrosis

NCT04362644
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
PET/CT using PET ligands [F-18]FDG and [F-18]DPA-714
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Neuroimmune Effects of Opioid Administration

NCT03801629
View directory record Official record
Conditions
Drug Effect
Interventions
High Morphine Dose, Low Morphine Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Sep 3, 2026, 3:51 AM EDT
Not listed Phase 2 Interventional

Systemic and Central Inflammation in AD

NCT06384378
View directory record Official record
Conditions
Alzheimer Disease
Interventions
11C-ER176
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
50 Years to 86 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 3, 2026, 3:51 AM EDT
Active, not recruiting Phase 2 Interventional

Quantitative Assessment of Radiation-induced Neuroinflammation - A Proof of Principle Study

NCT05128903
View directory record Official record
Conditions
Brain Tumor, Medulloblastoma
Interventions
[18F]DPA714
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
8 Years to 39 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2035
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Discovery and Validation of Genetic Variants Affecting Microglial Activation in Alzheimer's Disease

NCT04840979
View directory record Official record
Conditions
Alzheimer Disease
Interventions
11C-ER176, 18F-florbetaben
Drug
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 3, 2026, 3:51 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 27, 2019 · Synced Sep 3, 2026, 3:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

ONO-2952 Single-dose PET Study in Healthy Adult Subjects

NCT01613703
View directory record Official record
Conditions
Healthy Adult Subjects
Interventions
ONO-2952
Drug
Lead sponsor
Ono Pharma USA Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2013 · Synced Sep 3, 2026, 3:51 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Translocator Protein and Inflammation After Traumatic Brain Injury

NCT01547780
View directory record Official record
Conditions
Traumatic Brain Injury (TBI), Healthy
Interventions
[11C]PBR28 and Positron Emission Tomography (PET)
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Sep 3, 2026, 3:51 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Longitudinal TSPO PET Imaging With [18F]DPA-714 in PPMI (PPMI DPA-714 PET Imaging)

NCT06289582
View directory record Official record
Conditions
Parkinson Disease
Interventions
[F-18]DPA714 administration IV
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 99 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Completed No phase listed Observational

Long-Term Effects of Repetitive, Low-Level Blast Exposure on Special Operations Forces Service Members

NCT05183087
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 3, 2026, 3:51 AM EDT
Recruiting Phase 2 Interventional

Precision Biomarkers to Detect Brain Injury in Active-Duty United States Special Operations Forces With Repeated Blast Exposure

NCT07131475
View directory record Official record
Conditions
Blast Injury
Interventions
PBR28 TSPO PET
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 3, 2026, 3:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Accelerated Non-Atherosclerotic Brain Arterial Aging Relationship to Alzheimer's Disease

NCT04510168
View directory record Official record
Conditions
Alzheimer Disease, Dementia
Interventions
11C-ER176, [F-18]MK-6240, Florbetaben, Magnetic Resonance Imaging
Drug · Other
Lead sponsor
Jose Gutierrez, MD, MPH
Other
Eligibility
50 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Sep 3, 2026, 3:51 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Selective PET Imaging of Astrocytes and Microglia in Alzheimer's Disease

NCT05582200
View directory record Official record
Conditions
Alzheimer Disease, Healthy
Interventions
Positron Emission Tomography (PET) using 11C-ER176 for TSPO and 18F-SMBT1 for MAO-B
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years to 90 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Measuring the Neuroimmune Response to Alcohol

NCT04251221
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Oral Alcohol Challenge
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 3, 2026, 3:51 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

[18F]SF12051 for Imaging the 18-kDa Translocator Protein (TSPO) in Brain and Whole Body of Healthy Subjects

NCT05564429
View directory record Official record
Conditions
Healthy
Interventions
18F-SF12051
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Sep 3, 2026, 3:51 AM EDT
Terminated No phase listed Observational

A Study of the Association Between Autism and Immune Changes in the Brain

NCT01322555
View directory record Official record
Conditions
Autism Spectrum Disorders, Brain Disease, Autism, Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 3, 2026, 3:51 AM EDT
Active, not recruiting Phase 1 Interventional

Imaging of Neuro-Inflammation and the Risk for Post-Traumatic Epilepsy

NCT03999164
View directory record Official record
Conditions
Epilepsy, Post-Traumatic
Interventions
[18F]DPA-714 Positron Emission Tomography Scan
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Not listed No phase listed Observational

Longitudinal Tracking of Patients Diagnosed With Neurodegenerative Movement Disorders

NCT05486806
View directory record Official record
Conditions
Neurodegenerative Diseases, sca3, MSA - Multiple System Atrophy, Ataxia, Synucleinopathies
Interventions
18F-PBR06, 18F-PBR06
Drug · Radiation
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 3, 2026, 3:51 AM EDT
Terminated Phase 1 Interventional

Multimodal Imaging Outcome Measures for ALS (Image ALS)

NCT04490096
View directory record Official record
Conditions
ALS
Interventions
[11C]-PBR28
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Sep 3, 2026, 3:51 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

SV2A & TSPO PET Imaging Measures to Reveal Mechanisms of HIV Neuropathogenesis During Antiretroviral Therapy

NCT05586581
View directory record Official record
Conditions
HIV Associated Neurocognitive Disorder, HIV Dementia, HIV Encephalitis, Healthy
Interventions
SV2A PET, TSPO PET
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 3, 2026, 3:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Specific PET Radioligand Binding to Translocator Protein

NCT02181582
View directory record Official record
Conditions
Baseline, Blocking Receptor Binding
Interventions
Emapunil, PET
Drug · Device
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Sep 3, 2026, 3:51 AM EDT
Active, not recruiting No phase listed Observational

Neuropsychiatric Post-Acute Sequelae of SARS-CoV-2 (PASC) Using TSPO Positron Emission Tomography (PET) and MRI

NCT05615415
View directory record Official record
Conditions
Neuropsychiatric Post-Acute Sequelae of SARS-CoV-2 Infection
Interventions
PET Tracer, MRI Tracer, 3T PET/MRI
Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Sep 3, 2026, 3:51 AM EDT
Terminated Phase 2 Interventional Results available

Study of Safety and Proof of the Mechanism of BLZ945 in ALS Patients

NCT04066244
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
BLZ945
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
New Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Sep 3, 2026, 3:51 AM EDT