Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 18, 2026, 11:57 PM EDT

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Showing 289–312 of 862 matching trials from the live ClinicalTrials.gov search.
Not listed No phase listed Observational Accepts healthy volunteers

Glucose Metabolic, Amyloid, and Tau Brain Imaging in Down Syndrome and Dementia

NCT00966017
Conditions
Down Syndrome, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
45 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Progesterone and Brain Imaging Study

NCT01954966
Conditions
Nicotine Dependence, Nicotine Withdrawal
Interventions
Progesterone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Duke Conte Center for the Neuroscience of Depression in Late Life

NCT00576875
Conditions
Major Depression
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Effects of Antidepressant Therapy on Brain Dopamine Transporter Activity in People With Major Depression

NCT00655057
Conditions
Depression
Interventions
S-citalopram, Cognitive behavioral therapy (CBT), TRODAT-1 single photon emission computed tomographic (SPECT) imaging
Drug · Behavioral · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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 No phase listed Observational Accepts healthy volunteers Results available

Examining Cognitive Function and Brain Abnormalities in Adults With Sickle Cell Disease

NCT00528801
Conditions
Anemia, Sickle Cell
Interventions
NP Battery, MRI
Behavioral · Procedure
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
21 Years to 55 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
12
States / cities
Los Angeles, California • Oakland, California • Hollywood, Florida + 8 more
Conditions
Major Depressive Disorder
Interventions
Internet Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Conditions
Parkinsonian Syndrome
Interventions
[123I]ß CIT and SPECT imaging
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
22 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Completed No phase listed Observational Accepts healthy volunteers

Predictors of Motor Progression in Parkinson's Disease

NCT02769039
Conditions
Parkinson's Disease
Interventions
No intervention. Observational studies of sleep, movement and brain imaging
Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Major Depressive Disorder, Depression, Anxiety
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Urge Urinary Incontinence
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
60 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Emotion Regulation, Mood Disorders, Stress Disorder, Anxiety Disorders, OCD, Impulse Control Disorder, Eating Disorders, Emotional Dysfunction, Emotional Instability, Emotional Distress, Emotional Maladjustment, Emotional Impulsivity, Obsessive-Compulsive Disorder, Emotion Dysregulation, Borderline Personality Disorder
Interventions
Repetitive Transcranial Magnetic Stimulation (rTMS), electrical scalp stimulation, Cognitive Restructuring, Emotional Awareness Training
Device · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Neuroimaging Studies of Smoking and Treatment

NCT03085602
Conditions
Smoking Cessation
Interventions
Cognitive behavioral therapy, Health education
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Terminated No phase listed Observational Accepts healthy volunteers

CB1 Receptor PET Imaging Reveals Gender Differences in PTSD

NCT02237677
Conditions
Post-traumatic Stress Disorder (PTSD)
Interventions
Positron emission tomography (PET) imaging
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Not yet recruiting Not applicable Interventional

VR-PAT and fNIRS to Identify CNS Biomarkers of Pain

NCT06303687
Conditions
Acute Pain, Pediatric ALL, Procedural Pain, Burns
Interventions
VR-PAT
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Carotid Artery Stenosis
Interventions
Neuropsychological testing
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
3
States / cities
Palo Alto, California • St Louis, Missouri • Madison, Wisconsin
Conditions
Crohn's Disease
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Parkinson's Disease, Tourette's Syndrome, Tic Disorders, Dystonia, Movement Disorders
Interventions
Transcranial Direct Current Stimulation (tDCS), Eye-tracking Device, Pulsed vibrator, Gait Trainer Treadmill (GTT), Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA, iMobility, QMAT, Treadmill Test, Arm Intellistretch Device, Transcranial Sonography (TCS), Behavioral tasks, TMS single/paired pulse, MEG, EEG, MRI techniques, Peripheral Nerve Stimulation, EMG, Trancutaneous spinal direct current stimulation (tsDCS)
Procedure · Device · Other + 1 more
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
1,273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Cue-Reward Learning and Weight Gain in Youth

NCT03254576
Conditions
Overweight, Obesity
Interventions
Functional MRI
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
8 Years to 11 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
La Jolla, California
Completed Not applicable Interventional Results available

Neuroimaging of Diet in ADHD: Phase I

NCT01862484
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Restricted Diet, Ruse Diet
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
9 Years to 12 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Cannabis, Dependence, Cannabis Abuse, Pharmacokinetics, fMRI
Interventions
Sativex(Registered Trademark), THC
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Dissociation
Interventions
Vibration, Breath Focus, No Distractions
Device · Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia • Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Dystonia

NCT02046447
Conditions
Primary Cervical Dystonia, DYT 1 Dystonia
Interventions
Primary Cervical Dystonia (Trihexyphenidyl), Controls Primary Cervical Dystonia (Trihexyphenidyl), DYT 1 Dystonia (Healthy Control), DYT 1 Dystonia
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
7 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Depression
Interventions
Not listed
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
3
States / cities
Boston, Massachusetts • Cambridge, Massachusetts • Charlestown, Massachusetts