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Showing 1–24 of 232 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Adolescents Clear all
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 Jun 25, 2026, 9:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Strength-enhancing Effect of Whey Protein Supplementation Following Resistance Exercise in Adolescent Males

NCT02162459
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Olympia Eye Clinic
Other
Eligibility
16 Years to 19 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2014 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional

Helping Educate and Advance Learning Through Healthy Bite-Sized Eating Strategies

NCT06082830
View directory record Official record
Conditions
Adolescent Obesity, Adolescent Overweight, Diet, Healthy
Interventions
Intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
14 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Jun 25, 2026, 9:41 PM 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 Jun 25, 2026, 9:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Healthy Adolescent Transitions (HAT)

NCT03194672
View directory record Official record
Conditions
Pregnancy Prevention, Life Skill Development
Interventions
Healthy Adolescent Transitions (HAT) program
Behavioral
Lead sponsor
Jack Stevens
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
331 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining Cortisol and Alpha Amylase in a Healthy Sample of Youth and Adults

NCT02490280
View directory record Official record
Conditions
Anxiety
Interventions
Trier Social Stress Test
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
11 Years to 34 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2015 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Double-Blind Randomized Controlled Trial for the Evaluation of a Novel Adaptive Attention Training in Healthy Adolescents

NCT03213613
View directory record Official record
Conditions
Healthy Adolescents
Interventions
Adaptive Attention Training, Active Control, Low-dose Adaptive Attention Training
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 16 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Location Initiated Individualized Texts for Adolescent Health (LIITAH)

NCT03762135
View directory record Official record
Conditions
Overweight, Obese, Healthy
Interventions
Full version of the LIITah App., Partial App. (ELI and SNAP only)
Other
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 17 Years
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 25, 2024 · Synced Jun 25, 2026, 9:41 PM EDT
Completed No phase listed Observational

Be-HealthY: Behavioral Risk Factors for Poor Vascular Health in Youth

NCT03934398
View directory record Official record
Conditions
Prehypertension, Hypertension, Overweight and Obesity, Elevated Blood Pressure, Endothelial Dysfunction, Vascular Stiffness, Sleep
Interventions
Cardiovascular Assessments, Actigraphy, Laboratory assessments, Emotional/Behavioral Assessments
Diagnostic Test
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 22 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional

Healthy Choices to Promote Health and Reduce Risk in HIV-Infected Youth

NCT00103532
View directory record Official record
Conditions
HIV Infection
Interventions
Healthy Choices - Motivational Enhancement Intervention, Standard care
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
6
States / cities
Los Angeles, California • Fort Lauderdale, Florida • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Synaquell on Brain Function of Ice Hockey Players

NCT05498818
View directory record Official record
Conditions
Healthy
Interventions
Synaquell, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 19 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Jun 25, 2026, 9:41 PM 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 Jun 25, 2026, 9:41 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 5, 2025 · Synced Jun 25, 2026, 9:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Empowering Young Parents: Building Healthy Relationships Study

NCT06576193
View directory record Official record
Conditions
Gender-based Violence, Intimate Partner Violence
Interventions
Safe Dates for Young Parents (SDYP)
Behavioral
Lead sponsor
RTI International
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
12
States / cities
Camden, Delaware • Georgetown, Delaware • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jun 25, 2026, 9:41 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 28, 2019 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Teen CHAT: Improving Physician Communication With Adolescents About Healthy Weight

NCT01040975
View directory record Official record
Conditions
Communication, Obesity, Nutrition, Physical Activity, Sleep
Interventions
Web-based intervention targeting MD communication; Summary Report
Behavioral
Lead sponsor
Duke University
Other
Eligibility
12 Years to 18 Years
Enrollment
684 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional

Dating Matters: Strategies to Promote Healthy Teen Relationships

NCT01672541
View directory record Official record
Conditions
Teen Dating Violence, Healthy Dating Relationship Behaviors
Interventions
Dating Matters Comprehensive Approach, Standard of Care Safe Dates Approach
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
Not listed
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
4
States / cities
Oakland, California • Fort Lauderdale, Florida • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Jun 25, 2026, 9:41 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

QAIAx (AIhealth4U) - AI Public Health Central: Microcity-A (re Quantum AI Agency Aka AI City Hall Project, UPSTO App Nos. 64/074,526, 64/063,557, 63/903,181, 63/729,428

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 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jun 25, 2026, 9:41 PM 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 3, 2026 · Synced Jun 25, 2026, 9:41 PM EDT
Terminated Phase 1 Interventional Results available

A Phase I Study of Quadrivalent Human Papilloma Virus (HPV) (Types 6, 11, 16, 18) Recombinant Vaccine in HIV-Infected and HIV-Negative Pre-Adolescents, Adolescents, and Young Adults

NCT00798265
View directory record Official record
Conditions
Human Immunodeficiency Virus, Human Papillomavirus- 6, 11, 16, 18, Adolescent, Papillomavirus Vaccines
Interventions
Gardasil, Survey
Biological · Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Years to 26 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Soluble Corn Fiber and Calcium Utilization in Adolescents

NCT01571440
View directory record Official record
Conditions
Osteoporosis
Interventions
No soluble corn fiber, 12 g soluble corn fiber
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
12 Years to 15 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 9, 2014 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Study to Evaluate the Pharmacokinetics of Multiple Doses of Varenicline in Healthy Adolescent Smokers

NCT00463918
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 16 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
15
States / cities
Anniston, Alabama • Phoenix, Arizona • Hot Springs, Arkansas + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2008 · Synced Jun 25, 2026, 9:41 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Healthy Teen Girls: HIV Risk Reduction

NCT00787696
View directory record Official record
Conditions
HIV-infection/Aids
Interventions
Cognitive-behavioral HIV/STD risk reduction
Behavioral
Lead sponsor
Mississippi State University
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Columbia, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 19, 2011 · Synced Jun 25, 2026, 9:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Wakaya: Rising Up for Choctaw Youth Health

NCT05818384
View directory record Official record
Conditions
Obesity, Adolescent, Healthy Nutrition, Sedentary Behavior, Drug Abuse
Interventions
Wakaya: Rising Up for Choctaw Youth Curriculum
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
12 Years to 19 Years
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Durant, Oklahoma • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Jun 25, 2026, 9:41 PM EDT