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ClinicalTrials.gov public records Last synced Oct 25, 2026, 10:23 AM EDT

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

Showing 73–96 of 457 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: HV Clear all
Completed No phase listed Observational Accepts healthy volunteers

Serotonin Transporters in Obsessive-Compulsive-Related Disorders

NCT00082550
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed Phase 4 Interventional

Influence of the MDR1 Genotype on Blood Levels of Indinavir and Saquinavir in Healthy Volunteers

NCT00050180
View directory record Official record
Conditions
Healthy, HIV Infections
Interventions
Midazolam, Indinavir, Saquinavir
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 60 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Thyroid and Fat Tissue Metabolism

NCT00312715
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational

Role of the Right Brain in Recovery of Language Function in Chronic Stroke

NCT00076479
View directory record Official record
Conditions
Aphasia, Cerebrovascular Accident
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 25, 2026, 10:23 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Signature Development and Validation Protocol for an Epigenetic Assay in Diagnosing Breast Cancer

NCT07374796
View directory record Official record
Conditions
Breast Cancer (Locally Advanced or Metastatic), Healthy Volunteers (HV), Unhealthy Volunteers, Breast Cancer Screening
Interventions
Epigenetic Assay
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2033
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 25, 2026, 10:23 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 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Tryptophan Depletion on Brain Processing of Emotions in Patients With Mood Disorders

NCT00097175
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational

Effects of Sleep Deprivation and Recovery on Cognitive Functions

NCT00179322
View directory record Official record
Conditions
Sleep Deprivation
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
20 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 25, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers

NCT00048477
View directory record Official record
Conditions
Nitric Oxide, Endothelium-Derived Relaxing Factor, Healthy
Interventions
L-NMMA and Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
42 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 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measuring Blood Flow in the Brain

NCT00466934
View directory record Official record
Conditions
Traumatic Brain Injury, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hypnosis in Autonomic Function

NCT00061009
View directory record Official record
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome, Hypnosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 25, 2026, 10:23 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

PET Evaluation of Brain Peripheral Benzodiazepine Receptors Using [11C]PBR28 in HIV-Seropositive Patients With (MCMD)

NCT00459693
View directory record Official record
Conditions
HIV-Dementia, HIV-Associated Cognitive Motor Complex, AIDS Encephalopathy, AIDS Dementia Complex, AIDS-Related Dementia Complex, HIV Infections, Healthy
Interventions
[11C]PBR28
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Oct 25, 2026, 10:23 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 25, 2026, 10:23 AM EDT
Completed Not applicable Interventional

Metabolism and Thyroid Hormone Changes During Exposure to Cold Temperatures

NCT00521729
View directory record Official record
Conditions
Obesity
Interventions
Exposure to Cold Temperature
Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational

Use of Virtual Reality to Communicate Concepts of Genomics to the General Public

NCT00316056
View directory record Official record
Conditions
Healthy, Learning, Communication
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 40 Years
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PET Imaging of P-glycoprotein Function Using [11C]dLop

NCT00605254
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 51 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 25, 2026, 10:23 AM EDT
Recruiting Not applicable Interventional

Healthy for Two-Home Visiting (H42-HV): Health Coaching for Pregnant Women

NCT05619705
View directory record Official record
Conditions
Postpartum Weight Retention, Pregnancy Weight Gain, Overweight and Obesity, Behavior, Health
Interventions
Healthy for Two-Health Coaching (H42), Maintain Healthy in Pregnancy and Postpartum(mHIPP)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sensing of Leg Position and Movement

NCT00100919
View directory record Official record
Conditions
Proprioception
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
21 Years to 40 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational

Brain Function in Primary Lateral Sclerosis and Amyotrophic Lateral Sclerosis

NCT00334516
View directory record Official record
Conditions
Cerebral Cortex Dysfunction
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2019 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dopamine Receptor Imaging in Mood Disorders

NCT00116077
View directory record Official record
Conditions
Mood Disorders, Depressive Disorder, Major, Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Tics in Patients With Tourette's Syndrome and Chronic Motor Tic Disorder

NCT00033995
View directory record Official record
Conditions
Tourette Syndrome, Tic Disorders
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT
Completed Phase 1 Interventional

Bisphenol A Controlled Exposure Study

NCT01573429
View directory record Official record
Conditions
Healthy Volunteers
Interventions
deuterated-Bisphenol A (d-BPA)
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
25 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational

Blood Markers of Inflammation, Blood Clotting and Blood Vessel Function in HIV-infected Adults

NCT00776412
View directory record Official record
Conditions
Inflammation, Pathologic Processes
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 100 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 25, 2026, 10:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

OPRM1 A118G SNP, Alcohol Response, and Striatal Dopamine

NCT00401999
View directory record Official record
Conditions
Alcoholism
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 25, 2026, 10:23 AM EDT