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Showing 1–24 of 106 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Young Adults Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Recognition of Second Language Spoken Words, Signs, and Characters Via Perception and Production in Adults

NCT05587218
View directory record Official record
Conditions
Second Language Acquisition in Healthy Young Adults
Interventions
Self-production
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
18 Years to 35 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Young Adult Influenza Vaccine Immunogenicity Substudy

NCT00170508
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Sep 17, 2026, 4:09 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Normative Data of Brain Network Activation

NCT01742858
View directory record Official record
Conditions
Healthy Controls
Interventions
Not listed
Lead sponsor
ElMindA Ltd
Industry
Eligibility
15 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational

Expansion of Childhood Relationship Study to Young Adult Romantic Relationships

NCT01866852
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 30 Years
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

First in Human Dose Escalation Study Evaluating the Safety and Immunogenicity of IVT's Shigella-04 Vaccine in Healthy Young Adults

NCT07205926
View directory record Official record
Conditions
Shigella, Diarrhea
Interventions
IVT Shigella-04, Placebo (0.9% saline)
Biological
Lead sponsor
Inventprise Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gas Exchange Kinetics and Work Load During Exercise

NCT03770507
View directory record Official record
Conditions
Methods of Exercise in Children
Interventions
Exercise Training
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
7 Years to 35 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Health Intervention in Increasing HPV Vaccine Coverage Among Young Adult Gay and Bisexual Men

NCT02835755
View directory record Official record
Conditions
Healthy Subject
Interventions
Educational Intervention, Survey Administration
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Bacillus Subtilis R0179 in Healthy Young Adults

NCT01802151
View directory record Official record
Conditions
Healthy
Interventions
B. subtilis R0179, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional

Healthy Lifestyles After Cancer for Adolescents and Young Adults: A Program to Reduce Cardiovascular Risk Factors

NCT05869604
View directory record Official record
Conditions
Cancer, Cardiovascular Diseases, Weight Management, Pain, Fatigue, Distress, Emotional, Physical Inactivity
Interventions
HEALTHY AYA, Education Control
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 39 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Examining the Longitudinal Relationship Between Sleep and Weight Gain in College Students

NCT04100967
View directory record Official record
Conditions
Healthy, Overweight
Interventions
Not listed
Lead sponsor
Oakland University
Other
Eligibility
17 Years to 22 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Rochester, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Whole Body Vibration Training for Healthy Body Composition in Young Adults

NCT02134275
View directory record Official record
Conditions
Obesity, Weight Gain
Interventions
Whole body vibration training, Control group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 22, 2018 · Synced Sep 17, 2026, 4:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Health-related Benefits of Introducing Table Olives Into the Diet of Young Adults: Olives For Health

NCT05218980
View directory record Official record
Conditions
Healthy Diet, Cholesterol, Healthy Lifestyle, Healthy Nutrition
Interventions
Olives
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
18 Years to 23 Years
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Escalating Trial Using Vero Cell-culture Derived H5N1 +/- Aluminum in Adults

NCT00382980
View directory record Official record
Conditions
Influenza
Interventions
Aluminum hydroxide, Inactivated Vero cell based whole virus influenza A/H5N1, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
5
States / cities
Stanford, California • Torrance, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Tracing the Metabolic Flux of Orally Administered NAD+ Precursors

NCT06882096
View directory record Official record
Conditions
Healthy Adults
Interventions
Nicotinamide Mononucleotide (NMN), Nicotinamide (NAM)
Drug
Lead sponsor
Metro International Biotech, LLC
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normative Data of Brain Network Activation in Adolescents and Young Adults

NCT01460394
View directory record Official record
Conditions
Healthy Controls
Interventions
Not listed
Lead sponsor
ElMindA Ltd
Industry
Eligibility
15 Years to 24 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 17, 2026, 4:09 AM EDT
Completed Not applicable Interventional

HealthSmart: Promoting Healthy Lifestyles for Young Adult Cancer Survivors Using Educational Videos

NCT03340532
View directory record Official record
Conditions
Environmental Exposure to Ultraviolet Light
Interventions
THE INFORMATION + APPEARANCE VIDEO, Information SunSmart video, Sleep hygiene video
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 35 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Sep 17, 2026, 4:09 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Influence of Baseline Sensitivity and Expectation on Exercise-induced Hypoalgesia in Young Healthy Adults

NCT03871504
View directory record Official record
Conditions
Healthy Subjects
Interventions
Submaximal isometric exercise
Other
Lead sponsor
Marquette University
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 11, 2019 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Near-Infrared Spectroscopy, Acute Taurine Supplementation, and Isolated Muscular Endurance and Fatigue Resistance in Young Healthy Adults

NCT07654946
View directory record Official record
Conditions
Local Muscular Endurance and Fatigue, NIRS Skeletal Muscle Mitochondrial Capacity, Acute Taurine Supplementation
Interventions
Acute Taurine Supplementation, Acute Placebo Supplementation
Dietary Supplement
Lead sponsor
Louisiana State University and A&M College
Other
Eligibility
18 Years to 40 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Blood Neurotrophic Factors in Adults

NCT00505349
View directory record Official record
Conditions
Healthy
Interventions
Computer-based cognitive training
Behavioral
Lead sponsor
Posit Science Corporation
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility and Acceptability of Mindful Self-Compassion Among Transgender and Nonbinary Young Adults

NCT06409975
View directory record Official record
Conditions
Healthy
Interventions
Mindful Self-Compassion (MSC)
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Development of a Real-time Controller to Estimate Walking Performance Using a Bilateral Ankle Exoskeleton

NCT07393971
View directory record Official record
Conditions
Healthy Young Adults
Interventions
Adaptive Torque Control System for Ankle Exoskeleton
Device
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 35 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normative Data of Brain Network Activation in Adolescents and Young Adults

NCT01671761
View directory record Official record
Conditions
Healthy Controls
Interventions
Not listed
Lead sponsor
ElMindA Ltd
Industry
Eligibility
15 Years to 24 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2015 · Synced Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Real-Time Assessment of Lung Structure and Function in Children and Young Adults With CF Using Electrical Impedance Tomography

NCT05455671
View directory record Official record
Conditions
Cystic Fibrosis, Healthy
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
3 Years to 21 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

High Resolution Pharyngeal Manometry (HRPM) Biofeedback

NCT07508059
View directory record Official record
Conditions
Healthy
Interventions
Swallowing Maneuvers, High Resolution Pharyngeal Manometry (HRPM)
Other · Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 17, 2026, 4:09 AM EDT