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ClinicalTrials.gov public records Last synced Oct 7, 2026, 12:31 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 445 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Healthy Volunteers (HV) Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Model System for Transient Forearm Blood Vessel Dysfunction

NCT00453531
View directory record Official record
Conditions
Limb Ischemia, Ischemic Preconditioning
Interventions
Limb Ischemia, Acetylcholine
Procedure · Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 45 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Oct 7, 2026, 12:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Lopinavir/Ritonavir on Endothelial Function

NCT00076414
View directory record Official record
Conditions
Healthy
Interventions
Acetylcholine, L-NMMA
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
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 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Salivary Proteins in Disease and Health

NCT00100204
View directory record Official record
Conditions
Diabetes Mellitus, Sarcoidosis, Dental Caries, Sjorgren's Syndrome, Cystinosis, Head and Neck Neoplasms
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 12:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Brain Imaging Study of Adults With Autism Spectrum Disorders

NCT01093768
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Oxytocin, Vasopressin
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 7, 2026, 12:31 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Visual Motor Coordination

NCT00568243
View directory record Official record
Conditions
Healthy Volunteer, Neurodegenerative Diseases
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Oct 7, 2026, 12:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VRC 309: A Multi-Center, Open-Label, Randomized Phase I Study of an Investigational Influenza DNA Vaccine Followed by 2009/2010 Seasonal Influenza Trivalent Inactivated Vaccine (TIV) Compared to Two Injections of TIV in Adults 45-70 Years

NCT00995982
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA056-00VP
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
45 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland • Annandale, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening Protocol for HIV Vaccine Studies

NCT00031304
View directory record Official record
Conditions
HIV Seronegativity, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
1,324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fear Conditioning Using Computer-Generated Virtual Reality

NCT00025844
View directory record Official record
Conditions
Anxiety Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
7 Years to 50 Years
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Transcranial Magnetic Stimulation on Free Will

NCT00029653
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 7, 2026, 12:31 AM EDT
Completed Phase 1 Interventional

Ultra Low Dose Interleukin-2 in Healthy Volunteers

NCT01445561
View directory record Official record
Conditions
Hematologic Diseases
Interventions
Interleukin-2 (100,00 IU/m(2) SQ)
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biological Specimen Collection for Laboratory Methods Development and Training Purposes

NCT00025831
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Protein Studies of the Epstein-Barr Virus in Ethnically Diverse Populations

NCT00070785
View directory record Official record
Conditions
Epstein-Barr Virus Infections
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
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 7, 2026, 12:31 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 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Herpes Virus-6 and Epilepsy

NCT00085683
View directory record Official record
Conditions
Epilepsy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
45 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 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

PET Whole Body Distribution Studies Using [11C]CUMI

NCT01132872
View directory record Official record
Conditions
Depression, Major Depression, Unipolar Depression, Anxiety Disorder, Anxiety Disorders
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

Behavior in Children With Attention Deficit Hyperactivity Disorder and in Healthy Volunteers

NCT00026546
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
8 Years to 17 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 7, 2026, 12:31 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 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Imaging in Alzheimer's Disease

NCT00039702
View directory record Official record
Conditions
Alzheimer Disease
Interventions
[123] 5-I-A-85380
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 7, 2026, 12:31 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Data and Samples From Healthy Donors for Use in Translational Research

NCT00090662
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

Investigating the Role of Serotonin in Emotional Processing Through the Use of Tryptophan Depletion

NCT00090831
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
20 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Surface Electrical Stimulation on Movement of the Larynx

NCT00104000
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

Neurobiological Mechanisms in Panic Disorder

NCT00103987
View directory record Official record
Conditions
Panic Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functional Relevance of Dopamine Receptors in Healthy Controls and Patients With Schizophrenia: Characterization Through [11C]NNC-112 and [18F]Fallypride Positron Emission Tomography

NCT00942981
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia
Interventions
PET
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
283 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 7, 2026, 12:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Brain mGluR5 Receptors Using [18F]SP203

NCT00538798
View directory record Official record
Conditions
Healthy, Glutamate Receptor, mGlur5 Protein, Excitatory Amino Acid Receptors, Drug Kinetics, PET Scan
Interventions
[18F]SP203
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Oct 7, 2026, 12:31 AM EDT