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ClinicalTrials.gov public records Last synced Sep 19, 2026, 3:39 AM EDT

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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 11C-PBR28 Clear all
Completed Phase 2 Interventional Results available

Evaluating the Role of Neuroinflammation in Low Back Pain

NCT03106740
View directory record Official record
Conditions
Low Back Pain, Back Pain With Radiation, Back Pain Without Radiation, Back Pain Lower Back Chronic, Back Ache, Pain, Chronic
Interventions
Minocycline Hydrochloride 100mg Capsule, Magnetic Resonance-Positron Emission Tomography Imaging, Placebo Capsule
Drug · Diagnostic Test · Other
Lead sponsor
Marco Loggia
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Neuroimmune Response to Lipopolysaccharide

NCT04233593
View directory record Official record
Conditions
Healthy
Interventions
Lipopolysaccharide
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD-Microglia PET Study

NCT04398719
View directory record Official record
Conditions
CBD, Healthy
Interventions
[11C]PBR28, Low-dose lipopolysaccharide, Intradermal Capsaicin
Radiation · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 19, 2026, 3:39 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 19, 2026, 3:39 AM EDT
Completed Early Phase 1 Interventional

Brain Inflammation and Function in Alcoholism

NCT02233868
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
connectivity, neuroinflammation, neurofunction
Other · Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
30 Years to 75 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 19, 2026, 3:39 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Neuroinflammation Imaging in AD

NCT04274998
View directory record Official record
Conditions
Alzheimer Disease, Healthy Volunteer
Interventions
[18F]NOS, [11C]PBR28
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
55 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Phase 4 Interventional Results available

Effect of Ocrelizumab on Neuroinflammation in Multiple Sclerosis as Measured by 11C-PBR28 MR-PET Imaging of Microglia Activation

NCT04230174
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
11C-PBR28
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 19, 2026, 3:39 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 19, 2026, 3:39 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 19, 2026, 3:39 AM EDT
Terminated Not applicable Interventional Results available

Non-Invasive Characterization in Cardiac Sarcoidosis

NCT02017522
View directory record Official record
Conditions
Cardiac Sarcoidosis
Interventions
11C-PBR PET
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Early Phase 1 Interventional

Brain Imaging to Understand the Role of Inflammation in N-Acetyl Cysteine (NAC) Treatment of Bipolar Depression

NCT03730064
View directory record Official record
Conditions
Bipolar Disorder, Depression
Interventions
N-acetyl cysteine (NAC)
Drug
Lead sponsor
Martin Lan
Other
Eligibility
18 Years to 60 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Sep 19, 2026, 3:39 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 18, 2025 · Synced Sep 19, 2026, 3:39 AM EDT
Withdrawn Phase 4 Interventional

A PET Study With [11C]PBR-28 and an Experimental Medication, Ethyl Eicosapentaenoic Acid

NCT04811404
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Ethyl Eicosapentaenoic Acid
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Sep 19, 2026, 3:39 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 19, 2026, 3:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Inflammation in Patients With Parkinson's Disease Dementia or Dementia With Lewy Bodies

NCT02702102
View directory record Official record
Conditions
Diffuse Lewy Body Disease, Dementia With Lewy Bodies, Parkinson's Disease Dementia
Interventions
11C-PBR28
Drug
Lead sponsor
Columbia University
Other
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 19, 2026, 3:39 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 19, 2026, 3:39 AM EDT
Recruiting Phase 2 Interventional

From Nerve to Brain: Toward a Mechanistic Understanding of Spinal Cord Stimulation in Human Subjects

NCT05661903
View directory record Official record
Conditions
Chronic Pain
Interventions
Spinal Cord Stimulator Set to Minimal/No Stimulation Setting, Usual Care, Positron Emission Tomography / Magnetic Resonance Imaging
Other · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Imaging the Neuroimmune System in PTSD

NCT04236986
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Lipopolysaccharide
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced Sep 19, 2026, 3:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PET Evaluation of Brain Peripheral Benzodiazepine Receptors Using [11C]PBR28 in Frontotemporal Dementia

NCT00613119
View directory record Official record
Conditions
Frontotemporal Lobar Degeneration, Dementia
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
35 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 19, 2026, 3:39 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 19, 2026, 3:39 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Neuroimmune Mechanisms in Obesity

NCT05553405
View directory record Official record
Conditions
Obesity
Interventions
Intralipid Infusion
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2033
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 19, 2026, 3:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PET/MRI Imaging of Neuraxial Inflammation in Sciatica Patients

NCT02130271
View directory record Official record
Conditions
Sciatica
Interventions
Radioactive dye, PET/MRI, Blood draw
Drug · Radiation · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Sep 19, 2026, 3:39 AM EDT
Terminated Phase 4 Interventional Results available

Predictors of AAA Expansion and/or Rupture

NCT03231397
View directory record Official record
Conditions
Abdominal Aortic Aneurysm (AAA)
Interventions
Assess AAA rupture risk by PET-CTA scans, 18F-fludeoxyglucose (FDG), 11C-PBR28
Drug · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
45 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 19, 2026, 3:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Inflammation in Alzheimer's Disease

NCT02831283
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
11C-PBR28, 18F-Florbetaben, Lumbar puncture (optional)
Drug · Procedure
Lead sponsor
Patrick Lao
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 19, 2026, 3:39 AM EDT