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ClinicalTrials.gov public records Last synced Sep 11, 2026, 9:48 PM EDT

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Showing 1–24 of 88 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Health Volunteers Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Ph 1b: Safety & Immunogenicity of Ad5 Based Oral Norovirus Vaccine

NCT04854746
View directory record Official record
Conditions
Norovirus Infections
Interventions
VXA-GI.1.NN, Placebo Tablet
Biological
Lead sponsor
Vaxart
Industry
Eligibility
55 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
3
States / cities
Cypress, California • New Orleans, Louisiana • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 11, 2026, 9:48 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Human Milk Oligosaccharide-Based Synbiotic Supplement for Intestinal Microbiota Dysbiosis

NCT06615986
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Cardiosyn
Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 11, 2026, 9:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Patient Functionality and Utility of Web-Based Personal Health History and Risk Assess

NCT00822822
View directory record Official record
Conditions
Cancer, Cancer Screening Patients, Patient Volunteers
Interventions
First Questionnaire, Health History, Second Questionnaire
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
30 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Sep 11, 2026, 9:48 PM 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 2, 2019 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Methylnaltrexone on GI Transit in Healthy Volunteers

NCT01055704
View directory record Official record
Conditions
Gastric Motility Disorder
Interventions
Methylnaltrexone only, Codeine only, Methylnaltrexone + codeine, Placebo + placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2012 · Synced Sep 11, 2026, 9:48 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Understanding the Efficacy of Dietary Supplement on Fungal Mycobiota in Healthy Volunteers: A Pilot Study

NCT06433310
View directory record Official record
Conditions
Gut Microbiome, Gut Health, Dietary Supplement, L-Phenylalanine, Phenylpropionic Acid
Interventions
L-Phenylalanine 500 mg Veg Capsule product
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 11, 2026, 9:48 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Novel Diagnostics for Early Lyme Disease

NCT03963635
View directory record Official record
Conditions
Lyme Disease
Interventions
MicroB-plex Lyme Immunoassay
Diagnostic Test
Lead sponsor
MicroB-plex, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Fatty Acid Radiotracer Comparison Study in Heart Failure Patients

NCT01648296
View directory record Official record
Conditions
Heart Failure, Obesity, Type 2 Diabetes Mellitus, Health Normal Volunteer Subjects
Interventions
[18F]FluorbetaOx
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Sep 11, 2026, 9:48 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluating the Effects of Propionate and Butyrate Supplementation on the Intestinal Health of Healthy Volunteers

NCT07611370
View directory record Official record
Conditions
Graft Versus Host Disease, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Microencapsulated Sodium Butyrate, Microencapsulated Sodium Propionate
Procedure · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Act Healthy! A Controlled Trial of Worksite Health Promotion

NCT00924924
View directory record Official record
Conditions
Healthy
Interventions
Act Healthy!, Delayed treatment control
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years and older
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Sep 11, 2026, 9:48 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Artificial Intelligence-Based Health Assessment From Face Photographs - Healthy Volunteer Study

NCT07719049
View directory record Official record
Conditions
Aging, Facial Aging
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study in Health Adult Volunteers

NCT02273986
View directory record Official record
Conditions
Healthy
Interventions
Digoxin, K-877
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 11, 2026, 9:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Educational Impact of the NLM/National Area Health Education Center Organization (NAO) Project-SHARE Based Teen Health Information Literacy Curriculum

NCT02769988
View directory record Official record
Conditions
Healthy Volunteers Only
Interventions
Not listed
Lead sponsor
National Library of Medicine (NLM)
NIH
Eligibility
13 Years to 18 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
6
States / cities
Durango, Colorado • Greeley, Colorado • New London, Connecticut + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Gardasil Vaccination in Post Stem Cell Transplant Patients

NCT01092195
View directory record Official record
Conditions
Gardasil Vaccine, Stem Cell Transplant, Immunogenicity
Interventions
Gardasil
Biological
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate Multiple Doses of Fluconazole, a CYP3A4 and CYP2C9 Inhibitor, on the Pharmacokinetics of CTP-543 in Healthy Subjects

NCT05478772
View directory record Official record
Conditions
Health Volunteers
Interventions
CTP-543, Fluconazole
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Sep 11, 2026, 9:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Enhancing Purpose and Well-Being Through a Volunteering Experience Connecting Veterans With English Language Learners

NCT06324383
View directory record Official record
Conditions
Depression, Anxiety, Post Traumatic Stress Disorder
Interventions
Intervention (videoconferencing)
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 11, 2026, 9:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Health Effects of Repeated Exposure to Low Levels of Concentrated Ambient Particles in Healthy Young Volunteers

NCT05323240
View directory record Official record
Conditions
Air Pollution
Interventions
PM exposure, Filtered air exposure
Other
Lead sponsor
U.S. EPA Human Studies Facility
Federal
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Community Health Worker Training by US Health Volunteers on the Health of Rural Ugandans

NCT02045706
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice
Interventions
Community Health Worker Trainings
Other
Lead sponsor
Edward O'Neil Jr, M.D.
Other
Eligibility
Not listed
Enrollment
1,419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 26, 2014 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ID-Cap System Under Direct Observation

NCT03475485
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ID-Capsule- Active, Wearable Sensor, Placebo
Device
Lead sponsor
EtectRX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2018 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Consciousness, Psilocybin, and Well-Being

NCT05592379
View directory record Official record
Conditions
Healthy, Psychedelic Experiences, Sleep
Interventions
Psilocybin, Clonidine, Saline
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized Study to Evaluate the Effects of CTP-543 on the QT/QTc Intervals in Health Volunteers

NCT05192369
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CTP-543, Moxifloxacin, Placebo
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Sep 11, 2026, 9:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Using mHealth Tools to Deliver Integrated Community Case Management (ICCM) to Village Health Team (VHT) Volunteers.

NCT02971449
View directory record Official record
Conditions
Community Health Services, Telemedicine
Interventions
Amazon Fire Tablet, ICCM Traditional Trainins
Device · Other
Lead sponsor
Omni Med
Other
Eligibility
16 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 11, 2026, 9:48 PM EDT
Completed No phase listed Observational

Mental Health Impact of COVID-19 Pandemic on NIMH Research Participants and Volunteers

NCT04339790
View directory record Official record
Conditions
Healthy Volunteer, Mood Disorder, Anxiety Disorder, Preexisting Medical Condition
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
3,655 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 11, 2026, 9:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Means to Scale Early Childhood Development Interventions in Rural Kenya

NCT03548558
View directory record Official record
Conditions
Early Child Development
Interventions
Group sessions, Group+Home sessions, Booster sessions, Fathers invited
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
15 Years and older
Enrollment
1,152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Sep 11, 2026, 9:48 PM EDT