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ClinicalTrials.gov public records Last synced Sep 13, 2026, 5:14 PM EDT

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Showing 1–24 of 855 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Healthy Volunteers, Nicotine Dependence, Pharmacokinetics
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

fMRI and Appetite-Related Hormones Pre and Post Obesity Surgery

NCT01583725
Conditions
Obesity
Interventions
Liquid meal responses, fMRI responses to food-cues
Procedure · Behavioral
Lead sponsor
New York Obesity and Nutrition Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
New York, New York
Terminated Not applicable Interventional Accepts healthy volunteers

A Neuroimaging Study of Open-label Placebo in Depressed Adolescents

NCT04201106
Conditions
Depression
Interventions
Open Label Placebo with Rationale, Open Label Placebo without Rationale
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 18 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Cannabinoid CB1 Receptors Using [11C]MePPEP

NCT00598390
Conditions
Healthy
Interventions
[11C]MePPEP
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Back Pain
Interventions
Myelogram
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Completed No phase listed Observational Accepts healthy volunteers

Brain Functional Connectivity in Alcohol Use Disorder

NCT02877849
Conditions
Alcohol Use Disorder
Interventions
MRI: Brain Imaging data collection
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Imaging of Calculus Problem Solving

NCT00060658
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Depressive Disorder, Major
Interventions
rTMS therapy
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Drug Abuse, Nicotine Dependence
Interventions
MagPro X100 Magnetic Stimulator, Transcranial Rotating Magnetic Stimulator, Magnetom Prisma Fit 3T Scanner
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 80 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Stress Disorders, Post Traumatic, Trust
Interventions
Group CPT-C
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 50 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Tryptophan MRI in People With Schizophrenia and Healthy Controls

NCT02067975
Conditions
Schizophrenia
Interventions
Tryptophan, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Catonsville, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Pediatric Type 1 Diabetes and Neurocognitive Complications Cohort Study

NCT04135365
Conditions
Type 1 Diabetes
Interventions
neurocognitive assessment, neuroimaging assessment
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
6 Years to 11 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Not listed No phase listed Observational Accepts healthy volunteers

Markers of Trajectory in Pediatric CRPS

NCT03838107
Conditions
Complex Regional Pain Syndromes
Interventions
observation and measure of trajectory of recovery in CRPS
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Brain Injuries, Traumatic, Concussion, Brain, Concussion, Mild, Concussion, Intermediate, Concussion, Severe
Interventions
BrainScope Ahead 200iD, Advanced MRI Neuroimaging
Device
Lead sponsor
BrainScope Company, Inc.
Industry
Eligibility
13 Years to 19 Years
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
4
States / cities
Fayetteville, Arkansas • Bethesda, Maryland • East Lansing, Michigan + 1 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))

NCT01993108
Conditions
Healthy, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate, Naltrexone, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Obsessive-Compulsive Disorder, Pain, Intractable, Depression
Interventions
fMRI and DTI, Behavioral questionnaires, Disease-Specific Patient-Reported Outcomes, Behavioral tests
Diagnostic Test · Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Identifying the Neural Correlates of Mental Simulation in Multi-Step Planning

NCT07293637
Conditions
Decision Making, Cognition, Mental Simulation, Problem Solving, Planning
Interventions
Four-in-a-Row Task
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Obsessive-Compulsive Disorder
Interventions
ExAblate MR-guided Focused Ultrasound Bilateral Anterior Capsulotomy
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
25 Years to 64 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
Palo Alto, California • Boston, Massachusetts
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

CLOTBUST Hands-Free: A Phase I/II Pilot Safety Trial

NCT01240356
Conditions
Stroke
Interventions
2-MHz transcranial Doppler ultrasound, 2-MHz transcranial Doppler ultrasound insonation
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Birmingham, Alabama • Houston, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

Cognitive Decline Following Deep Brain Stimulation

NCT05822388
Conditions
Parkinson Disease, Movement Disorders
Interventions
Deep Brain Stimulation Surgical Procedures as Part of Routine Clinical Care
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Withdrawn Not applicable Interventional Accepts healthy volunteers

Visual Mode Switching in Color Perception

NCT05779228
Conditions
Perception of Things Changing Color, Adaptive Behavior
Interventions
Mode Switching Training
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Respiratory Tract Infection, Smell Disorder, Influenza, Rhinosinusitis, COVID-19, Depression, Parosmia, Hyposomia, Normosomia, Anosmia
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Withdrawn No phase listed Observational Accepts healthy volunteers

A Composite MR Neuroimaging Marker for Alzheimer's Disease

NCT01615666
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Frontotemporal Dementia
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
50 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Early Phase 1 Interventional Accepts healthy volunteers

Characterizing Clinical and Pharmacological Neuroimaging Biomarkers

NCT03842800
Conditions
Cognitive Impairment
Interventions
MRI, Ketamine
Other · Drug
Lead sponsor
Yale University
Other
Eligibility
16 Years to 60 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut