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Showing 1–24 of 233 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Adolescents Clear all
Completed No phase listed Observational Accepts healthy volunteers

Brain Changes in Children and Adolescents With Behavioral Problems

NCT00104039
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Mental Disorders Diagnosed in Childhood, Conduct Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
8 Years to 18 Years
Enrollment
318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional

Healthy Eating, Activity and Reduction of Teen Stress

NCT04038684
View directory record Official record
Conditions
Overweight and Obesity, Overweight Adolescents, Emotional Stress, Stress, Psychological, Eating Behavior
Interventions
Mindfulness-Based Weight Control (MBWC), Standard Behavioral Weight Control (SBWC)
Behavioral
Lead sponsor
Kent State University
Other
Eligibility
13 Years to 18 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Global Phase 3 Safety Study of 120 mcg rLP2086 Vaccine in Adolescents and Young Adults Aged 10 to 25 Years

NCT01352793
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
rLP2086 vaccine, control
Biological
Lead sponsor
Pfizer
Industry
Eligibility
10 Years to 25 Years
Enrollment
5,715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
39
States / cities
Huntsville, Alabama • Chandler, Arizona • Tempe, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional

Massachusetts Healthy Families Evaluation-2

NCT01926223
View directory record Official record
Conditions
Adolescent Parenting
Interventions
Home visiting
Other
Lead sponsor
Tufts University
Other
Eligibility
16 Years to 20 Years · Female only
Timeline
Started 2008
U.S. locations
1
States / cities
Medford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2013 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional

Mila Blooms Intervention Study

NCT01473342
View directory record Official record
Conditions
Childhood Cancer
Interventions
Mila Blooms
Behavioral
Lead sponsor
Duke University
Other
Eligibility
12 Years to 19 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Advanced Cooking Education Feasibility Study

NCT05907278
View directory record Official record
Conditions
Adolescent Behavior, Nutrition, Healthy
Interventions
Advanced Cooking Education
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CASH- Children Active to Stay Healthy

NCT01821313
View directory record Official record
Conditions
Childhood Obesity, Inflammation
Interventions
Moderate exercise, High Intensity Interval Exercise
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional

Sip and Snack Better (SSB) Study: Improving Added Sugar in Adolescents

NCT07027865
View directory record Official record
Conditions
Dietary Habits, Diet, Healthy
Interventions
Sip & Snack Better (SSB) Intervention, Sip & Snack Better (SSB) Tech-Only Comparison
Behavioral · Other
Lead sponsor
Temple University
Other
Eligibility
12 Years to 16 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 10, 2026, 9:33 AM EDT
Recruiting Not applicable Interventional

Lean Beef as Part of a Healthy Meal Plan in Adolescents With Polycystic Ovary Syndrome (PCOS)/Polyendocrine Metabolic Ovarian Syndrome (PMOS)

NCT07780188
View directory record Official record
Conditions
PCOS (Polycystic Ovary Syndrome), Obese Adolescents, Overweight (Without Type 2 Diabetes) With Weight-related Comorbidities, Overweight Adolescents, Irregular Menstrual Cycle, Irregular Menstrual Cycles, Hirsutism, Hyperandrogenism
Interventions
Beef+
Other
Lead sponsor
Texas A&M University
Other
Eligibility
11 Years to 17 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 10, 2026, 9:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Kinematics of Youth (Age 12-15) on Stationary All Terrain Vehicles

NCT00692029
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Kentucky
Other
Eligibility
12 Years to 15 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 20, 2011 · Synced Sep 10, 2026, 9:33 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

You & Me Healthy: Youth Empowered Self-Care Substudy (YES)

NCT06255093
View directory record Official record
Conditions
Anxiety, Wellness, Psychological
Interventions
Community-based recreation program referral, Pre-surveys only
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years to 12 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Miami, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 10, 2026, 9:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Are Genetic Counselors Screening for Adolescent Suicide Risk?

NCT02486120
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Sep 10, 2026, 9:33 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Parents in Appalachia Receive Education Needed for Teen Project

NCT01901770
View directory record Official record
Conditions
Healthy, Human Papilloma Virus Infection
Interventions
educational intervention
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
624 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Adolescents/Adults

NCT00715910
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Nimenrix, Blood sampling
Biological · Procedure
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 30 Years
Enrollment
818 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
10
States / cities
Daly City, California • Fairfield, California • Redwood City, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2014 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Long-Term Safety and Antibody Persistence of TDV and the Impact of a Booster Dose

NCT03999996
View directory record Official record
Conditions
Dengue Fever
Interventions
Takeda's Dengue Tetravalent Vaccine (Live, Attenuated) (TDV), Placebo
Biological
Lead sponsor
Takeda
Industry
Eligibility
13 Years to 63 Years
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
8
States / cities
Huntsville, Alabama • Peoria, Illinois • Newton, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

IVROP ReadyforLIFE Program Evaluation

NCT05244447
View directory record Official record
Conditions
Youth
Interventions
Primary Services
Other
Lead sponsor
Midwest Evaluation & Research
Other
Eligibility
14 Years to 18 Years
Enrollment
1,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
El Centro, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 10, 2026, 9:33 AM 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 10, 2026, 9:33 AM EDT
Completed Phase 2 Interventional

Building Healthy Teen Relationships and Reproductive Practices to Increase Intervals Between Pregnancies

NCT00342706
View directory record Official record
Conditions
Teen Pregnancy
Interventions
Community based intervention
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
15 Years to 19 Years · Female only
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 10, 2026, 9:33 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 10, 2026, 9:33 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

mHealth to Improve Diet Quality Among Early Adolescents in SNAP-Ed in Hawaii

NCT06360367
View directory record Official record
Conditions
Diet, Healthy
Interventions
HI-FLY Curriculum, HI-FLY Curriculum + PortionSize Ed app
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
11 Years to 14 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Sep 10, 2026, 9:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study Evaluating the Efficacy and Safety of Omnilux Clear on Mitigating Mild to Moderate Acne

NCT06936332
View directory record Official record
Conditions
Acne
Interventions
Omnilux Clear Light Emitting Diode Treatment
Device
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
14 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 10, 2026, 9:33 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 10, 2026, 9:33 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Immune Response After a Booster Dose of a Quadrivalent Meningococcal (MenACYW) Conjugate Vaccine When Administered Alone or Concomitantly With a Licensed Meningococcal Serogroup B Vaccine, in Participants Who Received Primary Quadrivalent Meningococcal Conjugate Vaccine (MCV4)

NCT04084769
View directory record Official record
Conditions
Meningococcal Immunisation (Healthy Volunteers)
Interventions
Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid Conjugate vaccine MenACYW Conjugate vaccine, Meningococcal Group B vaccine (Trumenba®), Meningococcal group B vaccine (Bexsero®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
13 Years to 26 Years
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
29
States / cities
Birmingham, Alabama • San Diego, California • Bardstown, Kentucky + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 10, 2026, 9:33 AM EDT
Completed No phase listed Observational

Reward-Related Processes and Brain Function

NCT00029588
View directory record Official record
Conditions
Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
9 Years to 40 Years
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 10, 2026, 9:33 AM EDT