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Showing 1–24 of 291 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Adolescent Sexual Behavior Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

PHF Problematic Sexual Behavior of Youth Family Engagement

NCT04902287
View directory record Official record
Conditions
Trauma, Sexual
Interventions
Training Intervention for the Engagement of Families (TIES)
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
7 Years to 12 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Randomized Evaluation of a Multi-Component, Rights-Based Sexuality Education Initiative for High School Students

NCT02009046
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
SEI Classroom Curriculum, Control Classroom Curriculum, SEI Curriculum + 3 School Components, Control Curriculum + 1 School Component
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
13 Years to 16 Years
Enrollment
1,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Sep 6, 2026, 6:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sleep and IR in Transgender Adolescents

NCT05489159
View directory record Official record
Conditions
Sleep Disorder, Insulin Resistance, Gender Dysphoria
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
12 Years to 18 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 6, 2026, 6:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Adolescent Mood During Puberty and Testosterone

NCT06072677
View directory record Official record
Conditions
Adolescent Depression
Interventions
Healthy Minds Program
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
11 Years to 14 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 6, 2026, 6:29 PM EDT
Not listed Phase 2 Interventional

The Aim of This Study is to Determine the Effectiveness of a Motivational Enhancement Intervention in Reducing Risk Behaviors (Drug and Alcohol Use, Sexual Risk Behavior, Poor Adherence to Medications) Among HIV+ Youth. - 1

NCT00227825
View directory record Official record
Conditions
Adherence, HIV Risk Behaviors, Alcohol & Drug Use, Health Behaviors, Sexual Risk Behaviors
Interventions
Motivational interviewing
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
16 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 6, 2026, 6:29 PM EDT
Completed No phase listed Observational

The Effect of Oral Candidiasis on the Speech Production, Feeding Skills, and Self-Concept of Children and Adolescents With Symptomatic HIV Infection

NCT00001448
View directory record Official record
Conditions
Candidiasis, Oral, Eating Disorders, HIV Infections, Speech Disorders
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 6, 2026, 6:29 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of ACT OUT! Social Issue Theater on Youth and Adolescents

NCT04097496
View directory record Official record
Conditions
Social Competence, Bullying
Interventions
Act Out! Intervention
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
Not listed
Enrollment
1,537 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Respecting the Circle of Life on Pregnancy Prevention Outcomes Among American Indian Adolescents

NCT02904629
View directory record Official record
Conditions
Sex, Unprotected Sex, Contraception, Alcohol Use, Drug Use, Pregnancy
Interventions
Respecting the Circle of Life (RCL), Control Program
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
11 Years and older
Enrollment
1,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Whiteriver, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional

A Brief Intervention to Prevent Adolescent Dating Aggression Perpetration

NCT02080923
View directory record Official record
Conditions
Offensive Aggression, Sexual Aggression, Dating Violence Perpetration and Victimization
Interventions
Brief Motivational Interview
Behavioral
Lead sponsor
Boston University
Other
Eligibility
15 Years to 19 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Transphobia Among Adolescents Through a Brief Video Intervention

NCT04969003
View directory record Official record
Conditions
Transgenderism, Depression
Interventions
Short videos
Behavioral
Lead sponsor
Yale University
Other
Eligibility
14 Years to 18 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HIV/STI Prevention Among Black Adolescents With Mental Illnesses (Project GOLD)

NCT03348813
View directory record Official record
Conditions
HIV, STI, Emotional Disturbances, Mental Disorder
Interventions
HIV/STI Prevention Intervention, General Health Control Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 17 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Sep 6, 2026, 6:29 PM 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 Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender-Responsive Drug Use Treatment for Juvenile Justice Girls

NCT02293057
View directory record Official record
Conditions
Drug Use
Interventions
VOICES Group, Girl Health Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 24 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing HIV/STI in Urban Adolescents Via an mHealth Primary Care Intervention

NCT03368456
View directory record Official record
Conditions
HIV/AIDS and Infections, Drug Abuse, Adolescent Behavior, Drug Usage
Interventions
S4E, Usual Care
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 21 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Sep 6, 2026, 6:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Recruiting African American Fathers/ Sons

NCT02811848
View directory record Official record
Conditions
Sexually Transmitted Diseases, HIV
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
10 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 6, 2026, 6:29 PM EDT
Completed No phase listed Observational

Pubertal Blockade and Hormone Therapy in Transgender Youth

NCT03557268
View directory record Official record
Conditions
Gender Identity, Gender Dysphoria, Gender Identity Disorder in Adolescence and Adulthood
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 16 Years · Female only
Enrollment
19 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Youth to Text or Telehealth for Engagement in HIV Care

NCT03681145
View directory record Official record
Conditions
HIV/AIDS, Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse), Depression, Substance Use
Interventions
Counselor delivered telehealth intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 6, 2026, 6:29 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Mobile Phone App for Depression and Anxiety in Young Men Who Are Attracted to Men

NCT02072252
View directory record Official record
Conditions
Depressive Symptoms, Anxiety Generalized
Interventions
Mobile Phone Application
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
17 Years to 20 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Phase 3 Interventional

A Study to Evaluate the Effects of Giving Proleukin (rIL-2) to HIV-Positive Patients With CD4 Counts Greater Than 300 Cells/mm3

NCT00000949
View directory record Official record
Conditions
HIV Infections
Interventions
Aldesleukin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
15
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional

Making Healthy Decisions: A Trial Evaluating the "Your Move" Teen Pregnancy-prevention Intervention

NCT02993185
View directory record Official record
Conditions
Pregnancy, Abdominal, Sexual Behavior, Sexually Transmitted Infection, Sexually Transmitted Diseases, Dietary Modification, Eating Behaviors
Interventions
Your Move, Eat Smart
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
808 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 23, 2021 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional

Evaluation of the Effectiveness of the POWER Through Choices Program

NCT01565304
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Infections
Interventions
POWER Through Choices
Behavioral
Lead sponsor
Mathematica Policy Research, Inc.
Other
Eligibility
13 Years to 18 Years
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Bakersfield, California • Baltimore, Maryland • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Sep 6, 2026, 6:29 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Capacity Builders Inc. Navajo Youth Builders Personal Responsibility Education Innovation Strategies Project

NCT04180358
View directory record Official record
Conditions
Sexual Abstinence, Responsible Sex
Interventions
Native STAND, Regular Health/Physical Education Curriculum
Behavioral
Lead sponsor
Capacity Builders Inc.
Other
Eligibility
14 Years to 18 Years
Enrollment
834 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Farmington, New Mexico
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Sep 6, 2026, 6:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot of an Online Sexual Health Program

NCT06564025
View directory record Official record
Conditions
Program, Communication
Interventions
Pilot program study
Behavioral
Lead sponsor
Wellesley College
Other
Eligibility
14 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Wellesley, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Sep 6, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Forging Hopeful Futures to Reduce Youth Violence

NCT05743478
View directory record Official record
Conditions
Violence in Adolescence, Racism, Adolescent Behavior, Coping Skills, Communication, Social, Communication, Personal, Violence, Sexual, Violence, Non-accidental, Violence, Physical, Violence, Gender-Based
Interventions
Forging Hopeful Futures, Wellness Check-ins
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 19 Years
Enrollment
542 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 6, 2026, 6:29 PM EDT