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ClinicalTrials.gov public records Last synced Oct 26, 2026, 8:10 AM EDT

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Showing 217–240 of 457 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: HV Clear all
Completed No phase listed Observational Accepts healthy volunteers

Cortical Excitability in Obsessive-Compulsive and Related Disorders

NCT00029068
View directory record Official record
Conditions
Obsessive Compulsive Disorder, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational

Role of Neurotransmission and Functional CNS Networks in Spasmodic Dysphonia

NCT00713414
View directory record Official record
Conditions
Spasmodic Dysphonia, Focal Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Oct 26, 2026, 8:10 AM EDT
Recruiting No phase listed Observational

Studies of Brain Function and Course of Illness in Pediatric Bipolar Disorder

NCT00025935
View directory record Official record
Conditions
Mood Disorder
Interventions
Lithium
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
7 Years to 85 Years
Enrollment
2,350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying Childhood-Onset Hemidystonia

NCT01432899
View directory record Official record
Conditions
Dystonia, Cerebral Palsy
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
7 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 24, 2018 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nervous System Function in Normal Volunteers During Cycling Training

NCT00055588
View directory record Official record
Conditions
Healthy
Interventions
Locomotor training
Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Cannabinoid CB1 Receptors Using [18F]FMPEP-d2

NCT00598286
View directory record Official record
Conditions
CB1, Cannabinoid, PET, Brain Imaging
Interventions
[18F]FMPEP-d2
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug Interactions of Echinacea, Ginseng, and Ginkgo Biloba Taken With Lopinavir/Ritonavir in Healthy Volunteers

NCT00103012
View directory record Official record
Conditions
Healthy
Interventions
Gingko Biloba, Echinacea purpurea, Panax ginseng
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 26, 2026, 8:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Defining the Brain Phenotype of Children With Williams Syndrome

NCT01132885
View directory record Official record
Conditions
Williams Syndrome, Duplication
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
5 Years to 99 Years
Enrollment
415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 26, 2026, 8:10 AM EDT
Not yet recruiting No phase listed Observational

Understanding and Expanding the Reach of Home Visiting (HV-REACH) Project

NCT06694376
View directory record Official record
Conditions
Home Visiting, Centralized Intake Systems
Interventions
No intervention
Other
Lead sponsor
Mathematica Policy Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of GABA-A Receptors in the Generation of Tics in Patients With Tourette's Syndrome

NCT00034398
View directory record Official record
Conditions
Tourette Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational

Transcranial Direct Current Stimulation to Improve Hand Movement in Stroke Patients

NCT00307385
View directory record Official record
Conditions
Stroke
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dynamic Light Scattering to Study Crystalline Proteins in Young Normal Lenses

NCT00304967
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
5 Years to 21 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Brain Responses to Facial Expressions in Major Depressive Disorder

NCT00071123
View directory record Official record
Conditions
Current Major Depressive Disorder, Healthy, Remitted Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Oral Bacteria and Immune System Problems Involved in Gum Disease (Periodontitis)

NCT01568697
View directory record Official record
Conditions
Immunosuppression, Periodontal Disease, Healthy Subjects, Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
7 Years to 100 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Calibrating Imaging Techniques to Study Blood Flow

NCT00546091
View directory record Official record
Conditions
Healthy Volunteers Only
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mirror Therapy for Phantom Limb Pain

NCT00623818
View directory record Official record
Conditions
Amputation
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2019
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 26, 2026, 8:10 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial of Tolcapone for Cognition in Schizophrenia

NCT00044083
View directory record Official record
Conditions
Schizophrenia
Interventions
Placebo, Tolcapone
Other · Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 1 Interventional

Phase I Study of HIV Adenoviral Vector Vaccine in Healthy Subjects Using Needle or Biojector Injection

NCT00709605
View directory record Official record
Conditions
HIV Infections
Interventions
VRC-HIVADV014-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Use of [18F]FECNT in Positron Emission Tomography

NCT00083629
View directory record Official record
Conditions
Healthy
Interventions
PET
Procedure
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational

Brain Function in Mentally Ill Adolescents

NCT00025857
View directory record Official record
Conditions
Healthy, Posttraumatic Stress Disorder, Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
7 Years to 18 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 1 Interventional

Vaccine for Prevention of Bird Flu

NCT00776711
View directory record Official record
Conditions
Influenza, Human
Interventions
Monovalent Influenza Subunit Virion (H5N1) Vaccine, A/Indonesia/05/2005, VRC-AViDNA036-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Acamprosate to Reduce Symptoms of Alcohol Withdrawal

NCT00106106
View directory record Official record
Conditions
Alcohol-Related Disorders, Alcohol Dependence, Alcoholism, Healthy Volunteer
Interventions
NMR-spectroscopy, Oral acamprosate
Procedure · Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
21 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Glucocorticoid Receptor SNPs in Receptor Function and Metabolic Disease

NCT01143493
View directory record Official record
Conditions
Glucose Homeostasis, Protein Metabolism, Lipid Metabolism, Respiratory Function, Connective Tissue Metabolism
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Oct 26, 2026, 8:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Interhemispheric Plasticity in Humans

NCT00120666
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 26, 2026, 8:10 AM EDT