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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Early Adolescent Behavior Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Parent Encouragement And Coaching of Happiness in Youth

NCT06725160
View directory record Official record
Conditions
Depression, Parent-Child Relations
Interventions
Parent Coaching, Active Control
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
4 Years to 99 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 5, 2026, 8:40 AM EDT
Recruiting Not applicable Interventional

Grow With Grit: A School Nurse-Led SBIRT Pilot for Early Anxiety Detection

NCT07766785
View directory record Official record
Conditions
Anxiety
Interventions
Grow with Grit
Behavioral
Lead sponsor
McLaughlin Research Institute for Biomedical Sciences, Inc.
Other
Eligibility
8 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Great Falls, Montana
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional

Early vs. Late Time-Restricted Eating in Adolescents With Obesity (EL TREA)

NCT05740254
View directory record Official record
Conditions
Pediatric Obesity, Time Restricted Feeding, Time Restricted Eating
Interventions
Early Time Restricted Eating, Late Time Restricted Eating
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
12 Years to 21 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 5, 2026, 8:40 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Delaying Sexual Activity in African American Adolescent Girls

NCT00058760
View directory record Official record
Conditions
Adolescent Behavior, Sex Behavior
Interventions
NIA intervention (after school health promotion didactic program)
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
11 Years to 14 Years · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 8:40 AM EDT
Recruiting Not applicable Interventional

A Randomized Clinical Trial of a Novel Drug Education and Diversion Program (iDECIDE) for Middle and High School Students

NCT06115746
View directory record Official record
Conditions
Substance Use, Harm Reduction, Adolescent Behavior
Interventions
iDECIDE
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
9 Years to 22 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional

Early Prototyping and Usability Testing (ACPS)

NCT05719064
View directory record Official record
Conditions
Medication Adherence
Interventions
Adaptive Cell Phone Support
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
15 Years to 20 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional

Pet Ownership and Glucose Control in Early Adolescents With Type 1 Diabetes

NCT03761251
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Adolescent Behavior
Interventions
Pet Fish
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
10 Years to 13 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dyadic Neurofeedback for Emotion Regulation in Youth With Maternal Adversity

NCT04964726
View directory record Official record
Conditions
Emotional Dysfunction, Early Life Stress
Interventions
Real-time fMRI dyadic neurofeedback
Behavioral
Lead sponsor
Oklahoma State University Center for Health Sciences
Other
Eligibility
14 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Follow-up of Families in Early Preventive Intervention

NCT00438516
View directory record Official record
Conditions
Child Rearing, Adolescent Development, Reproductive Behavior, Risk Reduction Behavior
Interventions
nurse home visitation
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
627 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2008 · Synced Sep 5, 2026, 8:40 AM EDT
Completed No phase listed Observational

Grade Book Game Evaluation Among 6th Grade Students

NCT03039894
View directory record Official record
Conditions
Adolescent Behaviors
Interventions
Gradebook Game
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
7 Years to 17 Years
Enrollment
100 participants
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2017 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional

Randomized, School-based Effectiveness Trial of the Adolescent Depression Awareness Program

NCT02099305
View directory record Official record
Conditions
Adolescent - Emotional Problem, Depression, Prevention Harmful Effects
Interventions
Adolescent Depression Awareness Program (ADAP)
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years to 18 Years
Enrollment
17,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Emotion Regulation Intervention for Early Adolescent Risk Prevention

NCT03430570
View directory record Official record
Conditions
Risk Behavior, Risk Reduction, Emotion Regulation
Interventions
Tablet TRAC Emotion Regulation Intervention
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
12 Years to 14 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Sep 5, 2026, 8:40 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Emotion Regulation Strategies in Toddlerhood and Middle Childhood

NCT05415319
View directory record Official record
Conditions
Emotion Regulation
Interventions
Laboratory tasks in middle childhood/pre-adolescence
Behavioral
Lead sponsor
Miami University
Other
Eligibility
8 Years to 14 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mindfulness for Resilience in Early Life

NCT03633903
View directory record Official record
Conditions
Adolescent With Early Life Stress, Resilience
Interventions
Mindfulness
Behavioral
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
13 Years to 15 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Sep 5, 2026, 8:40 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Thiwáhe Gluwáš'Akapi Substance Use Prevention Program

NCT04222556
View directory record Official record
Conditions
Substance Use, Substance Abuse, Suicide
Interventions
Thiwáhe Gluwáš'akapi, Woyute Waśte
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years to 85 Years
Enrollment
552 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Sep 5, 2026, 8:40 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Longitudinal Early Advance Care Planning Discussions and Documentation (LEADD) Program: An Exploratory Study in Adolescents and Young Adults (AYAs) Receiving Hematopoietic Stem Cell Transplant

NCT05605574
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation
Interventions
Advance Care Planning conversations
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
222 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 5, 2026, 8:40 AM EDT
Terminated Not applicable Interventional

Evaluating the Effectiveness of a Drug Education and Diversion Program for Middle and High School Students

NCT05321563
View directory record Official record
Conditions
Adolescent Behavior, Substance Use, Youth, Health Risk Behaviors
Interventions
iDECIDE (Drug Education Curriculum: Intervention, Diversion, and Empowerment)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 22 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional

ParentCorps: Promoting Healthy Development in Children From Low Income Communities

NCT01670227
View directory record Official record
Conditions
Behavior Problems of Childhood and Adolescence
Interventions
PARENTCORPS
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
4 Years and older
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Phase 2 Interventional

Home Based Treatment for Drug Use in Early Adolescents

NCT00280228
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Oppositional Defiant Disorder, Conduct Disorder, Substance Abuse
Interventions
Adolescent Skills Parent Management Parent-Adol Negotiation, Treatment as Usual
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
11 Years to 14 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 25, 2011 · Synced Sep 5, 2026, 8:40 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Gender Differences of Neuroanatomical and Neurophysiological Correlates of Risk-proneness in Early Adolescents

NCT03534375
View directory record Official record
Conditions
Gender, Early Adolescent Behavior
Interventions
The study is an observational cross sectional study
Other
Lead sponsor
Texas Tech University
Other
Eligibility
10 Years to 12 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2021 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Peer Mentors for Adolescents in HIV Affected Families

NCT00056953
View directory record Official record
Conditions
Adolescent Behavior, Health Behavior, HIV Seronegativity
Interventions
Peer mentoring program
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
9 Years to 15 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2005 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Teen Outreach Program in Hennepin County, Minnesota

NCT02510209
View directory record Official record
Conditions
Sexual Behavior, Pregnancy Early
Interventions
Teen Outreach Program
Behavioral
Lead sponsor
Abt Associates
Industry
Eligibility
12 Years to 19 Years
Enrollment
1,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of a Single-session Implicit Theories of Personality Intervention on Early Adolescent Psychopathology

NCT03132298
View directory record Official record
Conditions
Anxiety Symptoms, Depressive Symptoms
Interventions
Implicit Theories of Personality Program, Control Program
Other
Lead sponsor
Harvard University
Other
Eligibility
12 Years to 15 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Sep 5, 2026, 8:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Early Study of N-Acetylcysteine to Treat Deliberate Self-Harm in Adolescents

NCT01111734
View directory record Official record
Conditions
Deliberate Self Harm
Interventions
N-Acetylcysteine, fMRI
Dietary Supplement · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
13 Years to 21 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 5, 2026, 8:40 AM EDT