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Showing 1–24 of 1,847 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Adolescent Behavior Clear all
Completed No phase listed Observational Accepts healthy volunteers

Maintaining Behavior Change: A 6-year Follow-up of Adolescent 'Night-owls'

NCT05098782
View directory record Official record
Conditions
Circadian Dysregulation
Interventions
Not listed
Lead sponsor
University of California, Berkeley
Other
Eligibility
Not listed
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Jun 7, 2026, 8:57 AM EDT
Recruiting Not applicable Interventional

AYA-PeerConnect: A Communication Coaching Intervention for Adolescent/Young Adult Cancer Survivors (AYACS)

NCT07454460
View directory record Official record
Conditions
Communication, Anxiety, Depression, Social Isolation
Interventions
Asynchronous coaching and artificial intelligence (AI) Yoodli coach sessions
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 7, 2026, 8:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Learning and Living With Wildfire Smoke

NCT06322966
View directory record Official record
Conditions
Behavior and Behavior Mechanisms, Health Knowledge, Attitudes, Practice
Interventions
Air Action Curriculum
Other
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Results available

Adolescents With Substance Use Disorders Transitioníng From Residential Treatment to the Community

NCT03592186
View directory record Official record
Conditions
Substance Use, Adolescent Behavior
Interventions
Parenting Wisely+, Treatment as Usual
Behavioral
Lead sponsor
Brown University
Other
Eligibility
12 Years to 17 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Rockford, Illinois • Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Phase 3 Interventional

Family Health and Development Project

NCT01567969
View directory record Official record
Conditions
Serious Emotional Disturbance
Interventions
Intensive In-home Child and Adolescent Psychiatric Service, Home-based Child Treatment Coordination
Behavioral
Lead sponsor
Yale University
Other
Eligibility
6 Years to 16 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing a Digital Intervention to Prevent Risky Health Behaviors

NCT06538922
View directory record Official record
Conditions
Substance Use
Interventions
Single Session Family Intervention
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
12 Years to 14 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Jun 7, 2026, 8:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Confirmatory Efficacy of the Building a Strong Identity and Coping Skills Program

NCT05789446
View directory record Official record
Conditions
Chronic Stress, Anxiety, Depression
Interventions
Building a Strong Identity and Coping Skills
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
11 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
5
States / cities
Harrisburg, Pennsylvania • Hershey, Pennsylvania • Spring Mills, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Be Vape Free Curriculum of the Tobacco Prevention Toolkit

NCT05493982
View directory record Official record
Conditions
E-cigarette Use
Interventions
Stanford Vaping Prevention curriculum
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 20 Years
Enrollment
2,779 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jun 7, 2026, 8:57 AM EDT
Completed No phase listed Observational

Correlates of Oral Human Papillomavirus Infection in Adolescents and Young Adults With Behaviorally Acquired HIV

NCT01492842
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
5
States / cities
Aurora, Colorado • Baltimore, Maryland • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Jun 7, 2026, 8:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Novel Methods for Implementing Measurement-Based Care for Youth in Low-resource Environments

NCT05644756
View directory record Official record
Conditions
Mental Health
Interventions
IMPACT Methods to Identify and Prioritize Determinants (Challenge I), Challenge and Match strategies to Prioritized Determinants (Challenge II)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional

Kind Minds Program for Youth With Anxiety and Depression

NCT05353751
View directory record Official record
Conditions
Child Anxiety, Depression
Interventions
Kind Minds Program
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Imperial, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jun 7, 2026, 8:57 AM EDT
Not yet recruiting Not applicable Interventional

Task-Shifting Adapted IPT-A for Youth Suicide Prevention

NCT07383831
View directory record Official record
Conditions
Suicidal Ideation, Depressive Symptoms, Adolescent Mental Health
Interventions
Adapted Brief Interpersonal Psychotherapy for Adolescents (IPT-A LAZOS), Usual Community Center Services
Behavioral · Other
Lead sponsor
Boston College
Other
Eligibility
12 Years to 17 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jun 7, 2026, 8:57 AM EDT
Completed No phase listed Observational

Community Characteristics and Physical Activity Among Adolescent Girls - Ancillary to TAAG

NCT00046631
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases
Interventions
Not listed
Lead sponsor
RAND
Other
Eligibility
11 Years to 14 Years · Female only
Enrollment
1,556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
6
States / cities
Tucson, Arizona • San Diego, California • New Orleans, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2014 · Synced Jun 7, 2026, 8:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Advancing Biopsychosocial Care Training Initiative

NCT07049861
View directory record Official record
Conditions
Weight Management, Obesity Prevention, Obesity and Obesity-related Medical Conditions, Obesity and Overweight, Obesity
Interventions
Comprehensive Multidisciplinary Obesity Care, Implementation as Usual Control
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
5 Years and older
Enrollment
6,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Adolescent Sexual and Mental Health Disparities by Increasing Access to Telemedicine and Mobile Care

NCT05031741
View directory record Official record
Conditions
Health Care Utilization
Interventions
Peer Leader Model
Other
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 18 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Video to Promote HPV Vaccination

NCT02196454
View directory record Official record
Conditions
Vaccine Acceptance, Social Acceptance, Acceptance Processes, Health Behavior, Human Papillomavirus
Interventions
Educational Video with Male or Female Narrator
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
11 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Flourtown, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Homeless Youth Study - Stepping Stone 2.0

NCT03776422
View directory record Official record
Conditions
Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse)
Interventions
Mobile self-help intervention
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
16 Years to 25 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Phase 4 Interventional

Safety and Efficacy of Switching From a Stimulant Medication to Atomoxetine in Children and Adolescents With ADHD

NCT00485875
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Atomoxetine Hydrochloride
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Years to 17 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2007 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional

Anger Control Training for Youth With Tourette Syndrome

NCT00486551
View directory record Official record
Conditions
Tourette Syndrome, Chronic Tic Disorder, Oppositional Defiant Disorder, ADHD
Interventions
Anger control training
Behavioral
Lead sponsor
Yale University
Other
Eligibility
11 Years to 16 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced Jun 7, 2026, 8:57 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Examining an Intervention to Reduce High School Drinking

NCT07086508
View directory record Official record
Conditions
Underage Drinking, Drinking, Teen, Adolescent Alcohol Use
Interventions
e-CHECKUP TO GO (eCTG), e-Parent Intervention and eCTG (eCTG+)
Behavioral
Lead sponsor
Binghamton University
Other
Eligibility
15 Years to 18 Years
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Binghamton, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Jun 7, 2026, 8:57 AM EDT
Withdrawn Not applicable Interventional

Korean Youth Smoking Cessation Study

NCT02021175
View directory record Official record
Conditions
Smoking
Interventions
Tailored CBME Therapy via Technology, Standard of Care
Behavioral · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 19 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Jun 7, 2026, 8:57 AM EDT
Recruiting Not applicable Interventional

Inhibitory Mechanisms of Negative Urgency in Adolescent Suicidal Behavior

NCT05652153
View directory record Official record
Conditions
Suicidal Behavior, Suicidal Ideation, Negative Urgency, Cortical Inhibition, Depression
Interventions
Single-/paired-pulse transcranial magnetic stimulation
Other
Lead sponsor
University of Minnesota
Other
Eligibility
13 Years to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Potentially Addictive Properties of Soda: A Feasibility Study

NCT02044757
View directory record Official record
Conditions
Withdrawal Symptoms
Interventions
SSB withdrawal
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
13 Years to 18 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2014 · Synced Jun 7, 2026, 8:57 AM EDT
Completed Not applicable Interventional

Quit and Fit: Teen Smoking Cessation

NCT01242657
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Physical Activity Module, Not On Tobacco (N-O-T) Program
Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
14 Years to 18 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Jun 7, 2026, 8:57 AM EDT