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ClinicalTrials.gov public records Last synced Oct 23, 2026, 4:02 AM EDT

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Showing 1–24 of 519 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Healthy Relationship Clear all
Completed No phase listed Observational Accepts healthy volunteers

The Effect of Positive and Negative Emotions on Brain Activity in Alcoholics and Nonalcoholics

NCT00001675
View directory record Official record
Conditions
Alcoholism, Healthy
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
12 Years to 65 Years
Enrollment
1,194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 23, 2026, 4:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening Evaluation for Studies of the National Institute on Alcohol Abuse and Alcoholism (NIAAA)

NCT00001673
View directory record Official record
Conditions
Alcoholic Intoxication, Alcoholism, Healthy
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
2,220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Ketamine on ERP/EEG Measures in Healthy Volunteers

NCT04928703
View directory record Official record
Conditions
Healthy
Interventions
Ketamine
Drug
Lead sponsor
ERP Biomarker Qualification Consortium
Industry
Eligibility
21 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 23, 2026, 4:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Diet, Exercise and Body Fat in 3-5 Year Olds

NCT00615641
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 5 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2010 · Synced Oct 23, 2026, 4:02 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers Results available

Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants

NCT02568566
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Laboratory Biomarker Analysis, Recombinant Human Papillomavirus Nonavalent Vaccine
Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
9 Years to 11 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
2
States / cities
Tucson, Arizona • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Icariin to Prevent Corticosteroid-related Memory Changes

NCT02112123
View directory record Official record
Conditions
the Pharmacokinetic Profile of Icariin in Humans
Interventions
Icariin, Matching placebo
Drug · Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2017 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics in Occupational Shift Workers

NCT02951689
View directory record Official record
Conditions
Shift-Work Related Sleep Disturbance, Healthy
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
22 Years to 55 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Combined Alcohol and Nitrous Oxide Intake - 15

NCT00000263
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
30% Nitrous oxide, 0.25 g/Kg ethanol, 0.5 g/KG ethanol, 0 g/Kg ethanol
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
Not listed
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 1998
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 23, 2026, 4:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

MRI Neurofeedback and Brain Circuits Related to Motivation in Healthy Participants

NCT05929898
View directory record Official record
Conditions
Motivation, Memory, Self-regulation
Interventions
Ventral tegmental area of dopaminergic midbrain (VTA) fMRI neurofeedback
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 23, 2026, 4:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Muscle Accrual and Function in Cystic Fibrosis-Impact of Glucose Intolerance

NCT02776098
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
12 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 23, 2026, 4:02 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Cognitive and Psychophysiological Effects of Delta-9-Tetrahydrocannabinol in Bipolar Disorder

NCT03206463
View directory record Official record
Conditions
Delta-9-Tetrahydroncannabinol, Bipolar Disorder, Healthy Controls
Interventions
4 mg Delta-9-THC, Placebo, 2 mg Delta-9-THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reinforcing Effects of Brief Exposures to Nitrous Oxide - 8

NCT00000256
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
20% N2O, 40% N2O, 60% N2O, 80% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
22 Years to 34 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Oct 23, 2026, 4:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Trial of Clinic-based Dating Violence Prevention Program for Adolescents and Caregivers

NCT07039253
View directory record Official record
Conditions
Dating Violence, Parent, Primary Care
Interventions
Engaging Together for Health Relationships
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Monongahela, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 23, 2026, 4:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Alcohol Impairment Detection in Healthy Adult Users With the Gaize Device

NCT07126938
View directory record Official record
Conditions
Alcohol Impairment, Nystagmus, Virtual Reality, Lack of Smooth Pursuit, Impairment, Alcohol Intoxication, Intoxication
Interventions
Alcoholic beverage
Drug
Lead sponsor
Gaize
Industry
Eligibility
21 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Bioequivalence Study of 21 Milligram (mg) Nicotine Transdermal Patches (NicoDerm CQ, GlaxoSmithKline [GSK] Dungarvan) Compared to the Current Marketed 21 mg Nicotine Transdermal Patches (NicoDerm CQ, Alza) in Healthy Adult Smokers

NCT05024747
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
NicoDerm CQ patch (GSK Dungarvan), NicoDerm CQ (Alza)
Drug
Lead sponsor
HALEON
Industry
Eligibility
21 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of an HIV Vaccine (AVX101) in HIV Uninfected Volunteers in the United States and South Africa

NCT00063778
View directory record Official record
Conditions
HIV Infections
Interventions
AVX101, placebo
Biological · Other
Lead sponsor
AlphaVax, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
5
States / cities
Baltimore, Maryland • New York, New York • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Assess Repeated Doses of INDV-2000 in Healthy Volunteers and in Treatment Seeking Individuals With Opioid Use Disorder

NCT04976855
View directory record Official record
Conditions
Healthy Volunteer, Opioid-use Disorder
Interventions
INDV-2000, Placebo, SUBOXONE® sublingual film
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Baltimore, Maryland • DeSoto, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 23, 2026, 4:02 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Relationship of HHV-6B Virus to Seizures and Brain Injury

NCT00597285
View directory record Official record
Conditions
Epilepsy, HHV6B Infection
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Pharmacokinetics of Single, Escalating Oral Doses of RTI-336 in Healthy, Male Subjects

NCT00808119
View directory record Official record
Conditions
Cocaine Dependence
Interventions
RTI-336 (CTDP 31862)
Drug
Lead sponsor
RTI International
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Jul 21, 2009 · Synced Oct 23, 2026, 4:02 AM EDT
Completed No phase listed Observational

Event Related Potentials in Infants and Adults

NCT00088712
View directory record Official record
Conditions
Healthy, Child Development
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
3 Months to 45 Years
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Manual Wheelchair Propulsion Workload on Speed, Energy Expenditure, and Propulsion Mechanics

NCT04987177
View directory record Official record
Conditions
Healthy Participants
Interventions
Workload of Manual Wheelchair Propulsion
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Homewood, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 23, 2026, 4:02 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Screening Evaluation for Women With Postpartum Depression

NCT00056901
View directory record Official record
Conditions
Postpartum Depression, Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
20 Years to 45 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics (PK) and Safety of Multiple Doses of Intranasal Naloxone in Healthy Adults

NCT05377255
View directory record Official record
Conditions
Opioid Overdose
Interventions
16 mg naloxone AP003, 8 mg naloxone NARCAN Nasal Spray
Combination Product
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 23, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glutamate-Glutamine Cycling (VCYC) During Cocaine Abstinence Using 1H-MRS

NCT02124941
View directory record Official record
Conditions
Cocaine Dependence, Healthy
Interventions
N-acetyl cysteine, [18F]FDG PET scan, 1H MRS, [11C]APP311 PET scan
Drug · Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2023 · Synced Oct 23, 2026, 4:02 AM EDT