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ClinicalTrials.gov public records Last synced Oct 3, 2026, 6:55 PM EDT

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Showing 73–96 of 234 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Healthy Adolescents Clear all
Completed No phase listed Observational Accepts healthy volunteers

Brain Changes in Adolescents While Imagining and Observing Aggressive Behavior

NCT00267891
View directory record Official record
Conditions
Aggressive Behavior
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
14 Years to 17 Years · Male only
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 3, 2026, 6:55 PM 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 18, 2023 · Synced Oct 3, 2026, 6:55 PM 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 30, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Not applicable Interventional

Fostering Healthy Futures Efficacy Trial for Preadolescent Youth in Foster Care

NCT00810056
View directory record Official record
Conditions
Child Abuse
Interventions
Assessment, Fostering Healthy Futures (FHF)
Other · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 11 Years
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 3, 2026, 6:55 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

QAIAx (AIhealth4U) - AI Smart Health Cities: Microcity Enclave Program (Quantum AI/AGI Agency a/k/a AI City Hall Project - UPSTO App Nos. 64/074,526, 64/063,557, 64/105,164, 63/903,181, 63/729,428, 64/125,360)

NCT07661823
View directory record Official record
Conditions
Asperger's Disorder, Asperger Disorder, Autism Disorder, Autism, ADHD - Attention Deficit Disorder With Hyperactivity, ADHD, ASD, Alcohol Abuse/Dependence, Alcohol Addiction, Alcohol and Other Drug Use Disorders, Alcohol and Other Substance Use Prevention, Gambling Addiction, Gambling Disorder, Sex Abuse, Sex Behavior, Sex Crimes, Sex Disorder, Sex Disorders, Gender Dysphoria, Adult, Eating Behavior Disorders, Narcotic-Related Disorders, Narcotic Addiction, Narcissism, Psychiatric Disorder, Psychedelic Effects in Healthy Volunteers, Psychedelic Experiences, Psychedelic Drug Dependence, Marijuana Use Disorder, Marijuana Abuse and Dependence, Smoking (Tobacco) Addiction, Smoking Among Youth, Smoking Abstinence, Abstinence, Sex, Opiate Substitution Treatment, Opioid Abuse (Disorder), Opioid Abuse and Addiction, Cocaine Abuse, MDMA ('Ecstasy'), Addiction Disorders, Homeless and Low Incomes People, Refugees, Homelessness, Reliability and Validity, Anger Problems, Child Abuse, Sexual
Interventions
AI City Hall Project (AIhealth4u - Public Health Central), AI City Hall Project (QAIAx Microcity A - AI Public Health Central)
Behavioral
Lead sponsor
Veterans Recovery Network Inc.
Other
Eligibility
17 Years to 99 Years
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2045
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Summer Youth Employment Programs for Health Promotion

NCT07227220
View directory record Official record
Conditions
Obesity, Childhood, Behavior, Health, Healthy Lifestyle
Interventions
Summer Youth Employment Program
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
14 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Healthy Relationships and Economic Pathways

NCT03519191
View directory record Official record
Conditions
Adolescent Relationship Abuse, Sexually Transmitted Infections, Pregnancy (Unwanted), Violence, Intentional Injury
Interventions
Healthy Relationships Education (HRE), HRE+Technology Bootcamp
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
18 Years to 24 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

VRC 705: A Zika Virus DNA Vaccine in Healthy Adults and Adolescents

NCT03110770
View directory record Official record
Conditions
Zika Virus, Zika Virus Infection, Virus Diseases, Flavivirus Infections, Flaviviral Diseases, Flaviviridae Infections, RNA Virus Infections
Interventions
VRC-ZKADNA090-00-VP, VRC-PBSPLA043-00-VP
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
15 Years to 35 Years
Enrollment
2,428 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
3
States / cities
Miami, Florida • Edinburg, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2024 · Synced Oct 3, 2026, 6:55 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Hippocampal Network Changes Following Mindfulness Training in Tobacco Vaping Adolescents in an Open-label, Pilot Study

NCT06503159
View directory record Official record
Conditions
Vaping Teens, Healthy Volunteers
Interventions
Mindfulness-based Stress Reduction (MBSR) Program, functional magnetic resonance imaging (fMRI)
Behavioral · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of GSK's MenABCWY Vaccine in Healthy Adolescents and Adults Previously Primed With MenACWY Vaccine

NCT04707391
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
MenABCWY vaccine, Placebo, MenACWY vaccine, MenB vaccine
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 25 Years
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
48
States / cities
Jonesboro, Arkansas • Banning, California • Chula Vista, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

B'More Healthy; Communities for Kids (BHCK)

NCT02181010
View directory record Official record
Conditions
Obesity
Interventions
Intervention
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
9 Years to 100 Years
Enrollment
890 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 3, 2026, 6:55 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents

NCT06838000
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Months to 17 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
17
States / cities
Paramount, California • Doral, Florida • Hialeah, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Intervention to Promote Healthy Behaviors in Homeless Youth

NCT02553616
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Intervention to Promote Healthy Behaviors
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 24 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Not applicable Interventional

Neural Mechanisms of Meditation Training in Healthy and Depressed Adolescents: An MRI Connectome Study PART 2

NCT05267340
View directory record Official record
Conditions
Depression Mild, Depression Moderate, Depression, Teen
Interventions
TARA, Psycho-Education
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3

NCT00732758
View directory record Official record
Conditions
Healthy
Interventions
Vitamin D3 1000 IU, Placebo Tablet
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
8 Years to 14 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced Oct 3, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional

Stanford Healthy Goals Study

NCT07839832
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Wise interventions -- values self-affirmation and growth mindset -- plus usual care behavioral treatment, Education plus usual care behavioral treatment
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 15 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Emergency Department Healthcare Education Assessment and Response for Teen Relationships: A Pilot Feasibility Study

NCT05194202
View directory record Official record
Conditions
Adolescent Behavior, Emergency Department, Abuse Physical, Abuse Mental, Abuse Verbal, Abuse Domestic, HEART, Intimate Partner Violence
Interventions
ED-HEART
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 19 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 3, 2026, 6:55 PM EDT
Completed No phase listed Observational

Adolescents' Use of Complementary and Alternative Medicine

NCT00032656
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
14 Years to 19 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 3, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Network Connectivity and Temporal Processing in Adolescents Who Stutter

NCT05286151
View directory record Official record
Conditions
Stuttering, Childhood, Stuttering
Interventions
Rhythm discrimination
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
9 Years to 13 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Osteoporosis Prevention: Changes to Exercise and Diet in Children

NCT00063050
View directory record Official record
Conditions
Osteoporosis
Interventions
Physical activity and nutrition intervention
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
10 Years to 12 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cognizin Citicoline Dosing in a Healthy Adolescent Male Population

NCT01582113
View directory record Official record
Conditions
Neurocognitive Improvement
Interventions
Citicoline, Microcrystalline Cellulose
Drug · Other
Lead sponsor
Deborah Yurgelun-Todd
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial to Study the Safety, Tolerance and Immunogenic Response to MCV4, Tdap and Bivalent rLP2086 Vaccine When Given at the Same Time to Children Between the Ages of 10 Through 12 Years of Age

NCT01461980
View directory record Official record
Conditions
Vaccines, Meningococcal Vaccines
Interventions
rLP2086 + MCV4 + Tdap, MCV4 + Tdap + saline, rLP2086 + saline
Biological
Lead sponsor
Pfizer
Industry
Eligibility
10 Years to 12 Years
Enrollment
2,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
117
States / cities
Birmingham, Alabama • Daphne, Alabama • Chandler, Arizona + 73 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 2 Interventional

Cultivating Healthy Environments in Families With Type 1 Diabetes (CHEF)

NCT00999375
View directory record Official record
Conditions
Type I Diabetes
Interventions
Education, Problem Solving, Social Learning, Behavior Modification
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
8 Years to 17 Years
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 3, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of GlaxoSmithKline Biologicals S.A's Meningococcal Group B and Combined ABCWY Vaccines in Healthy Adolescents and Young Adults

NCT04502693
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
rMenB+OMV NZ vaccine, Meningococcal Groups A, C, W and Y Conjugate Vaccine (MenACWY), Placebo, MenABCWY-1, MenABCWY-2, MenABCWY-3
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
3,657 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
64
States / cities
Chandler, Arizona • Glendale, Arizona • Jonesboro, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 3, 2026, 6:55 PM EDT