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Showing 1–24 of 444 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Volunteers (HV) Clear all
Completed No phase listed Observational Accepts healthy volunteers

Timing of Voluntary Movement in Patients With Schizophrenia

NCT00080548
View directory record Official record
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

FMRI Study of Performance During a Probabilistic Reversal Learning Task in Depression

NCT00075296
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mirroring a Movement

NCT00123448
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM 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 – 2032
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

DDI HV (ATV - Merck)

NCT00518297
View directory record Official record
Conditions
HIV Infections
Interventions
Raltegravir, Atazanavir, Atazanavir + Raltegravir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Hamilton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 3, 2010 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Chemical Receptor Effects in Patients With Panic Disorder and Post-Traumatic Stress Disorder

NCT00025974
View directory record Official record
Conditions
Panic Disorder, Posttraumatic Stress Disorder, Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stimulating Deep Brain Regions With a Magnetic Stimulator

NCT00063245
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
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional

Endothelial Cell Dysfunction in Pulmonary Hypertension

NCT00098072
View directory record Official record
Conditions
Secondary Pulmonary Arterial Hypertension
Interventions
Heart Catheterization
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Test-retest Evaluation of [18F]MNI-958 PET

NCT03545789
View directory record Official record
Conditions
Healthy Volunteers, Alzheimer Disease, Progressive Supranuclear Palsy
Interventions
[18F]MNI-958
Drug
Lead sponsor
Invicro
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional

PET Imaging of Peripheral Benzodiazepine Receptors in Patients With Neurocysticercosis Using [F-18]FB

NCT00527579
View directory record Official record
Conditions
Neurocysticercosis, Healthy
Interventions
[F-18]FBR
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of the Biodistribution and Safety of [18F]MNI-968 in Healthy Subjects

NCT03142724
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[18F]MNI-968
Drug
Lead sponsor
Molecular NeuroImaging
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Regulation of Emotions in People With Depression and Anhedonia

NCT00059579
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Not applicable Interventional

Mothers' Thoughts About Kids and Eating

NCT01087346
View directory record Official record
Conditions
Overweight
Interventions
Reading Information
Behavioral
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
1,148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jun 10, 2026, 6:46 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Oxytocin and Arginine Vasopressin in Pain Relief

NCT01328561
View directory record Official record
Conditions
Placebo Analgesia
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Imaging of the Brain in Social and Emotional Reasoning

NCT00060853
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
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Role of Nitrite in Preconditioning Mediated Tolerance to Ischemic Stress

NCT00250185
View directory record Official record
Conditions
Ischemic Stress, Transient Non-Lethal Ischemia
Interventions
Sodium Nitrate, Acetylcholine
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 45 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional

Drug Interaction Study Between Inhaled Beclomethasone and Protease Inhibitors in Healthy Volunteers

NCT00936793
View directory record Official record
Conditions
HIV, Asthma
Interventions
Darunavir, Ritonavir, Beclomethasone Dipropionate HFA
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 60 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Actigraph Accelerometer Validation Study

NCT00342212
View directory record Official record
Conditions
Physical Activity
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 74 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
Rockville, Maryland • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 24, 2011 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Non-Exercise Activity Thermogenesis (NEAT) in Children

NCT00315172
View directory record Official record
Conditions
Non-exercise Activity Thermogenesis
Interventions
Non-Exercise Activity Thermogenesis (NEAT)
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
7 Years to 11 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Imaging of Brain Receptors in Healthy Volunteers and in Patients With Schizophrenia

NCT00061789
View directory record Official record
Conditions
Schizophrenia
Interventions
SPECT Imaging of Nicotinic Acetylcholine Receptors in Brain
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 10, 2026, 6:46 PM EDT
Completed No phase listed Observational

Enhancing Motor Task Training by Action Observation Watching Others Perform the Task

NCT00393432
View directory record Official record
Conditions
Motor Memory
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
40 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 1, 2017 · Synced Jun 10, 2026, 6:46 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Improving White Blood Cell Collection From Healthy Donors

NCT01553214
View directory record Official record
Conditions
Allogeneic Granulocyte Donation
Interventions
Filgrastim, Dexamethasone
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 75 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2032
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jun 10, 2026, 6:46 PM EDT
Terminated No phase listed Observational

The Role of Serotonin in Seizures

NCT00439387
View directory record Official record
Conditions
Epilepsy, Seizures
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jun 10, 2026, 6:46 PM 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 9, 2020 · Synced Jun 10, 2026, 6:46 PM EDT