Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 11, 2026, 12:11 AM EDT

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Showing 1–24 of 164 matching trials from the live ClinicalTrials.gov search.
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Conditions
HIV/AIDS
Interventions
Theater/Pilot Testing
Other
Lead sponsor
Yale University
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Paterson, New Jersey
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Community Youth Development Study: A Test of Communities That Care

NCT01088542
Conditions
Substance Abuse, Juvenile Delinquency, Sexual Behavior, Criminal Behavior, Violence, Depression, Anxiety, Suicide, Sexually Transmitted Infection, Educational Attainment
Interventions
Communities That Care
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
52,323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 1 Interventional Accepts healthy volunteers

Transitional Treatment of Adolescents in Family Therapy

NCT00680381
Conditions
Substance Abuse
Interventions
MTI, Minimal Transitional Intervention, GTI, Group Transitional Intervention, STI, Systems Transitions Intervention
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
13 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Not applicable Interventional Accepts healthy volunteers

Cradling Our Future Through Family Strengthening Study

NCT00373750
Conditions
Substance Abuse, Post-partum Depression, Depression
Interventions
Family Spirit Intervention
Procedure
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
12 Years to 19 Years · Female only
Enrollment
322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
5
States / cities
Fort Defiance, Arizona • San Carlos, Arizona • Tuba City, Arizona + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine and Cannabis Vape Labeling Experiment - Spring 2025

NCT06919276
Conditions
Vaping, Adolescent, Electronic Cigarette Use, Nicotine, Cannabis
Interventions
Vaping Device Labeling
Other
Lead sponsor
University of Southern California
Other
Eligibility
11 Years to 19 Years
Enrollment
3,048 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional

Teen Success Project

NCT03015805
Conditions
Substance Abuse
Interventions
Contingency Management, Probation as Usual
Behavioral
Lead sponsor
Chestnut Health Systems
Other
Eligibility
12 Years to 18 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
14
States / cities
Burley, Idaho • Caldwell, Idaho • Gooding, Idaho + 11 more
Conditions
Substance Abuse, Traumatic Stress
Interventions
Trauma-focused Substance Abuse Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 19 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Substance-Related Disorders
Interventions
Navigating my Journey program, Attention Control
Behavioral
Lead sponsor
Inflexxion, Inc.
Industry
Eligibility
13 Years to 21 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Newton, Massachusetts
Conditions
Substance Use
Interventions
Push Notifications with Tailored Intervention Content, Push Notifications with Engaging, Non-therapeutic Content, No Push Notifications
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 24 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention Program for Problem Behaviors in Girls in Foster Care

NCT00239837
Conditions
Juvenile Justice Involvement, Drug Abuse
Interventions
Middle School Success Intervention (MSS)
Behavioral
Lead sponsor
Oregon Social Learning Center
Other
Eligibility
10 Years to 12 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2013
U.S. locations
1
States / cities
Eugene, Oregon
Completed No phase listed Observational Accepts healthy volunteers

Characterizing Inflammatory Profiles and Suicidal Behavior in Adolescents

NCT04783506
Conditions
Suicide and Depression
Interventions
Observational Study
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
12 Years to 18 Years
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Substance-related Disorders
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Adaptation Processes in School-based Substance Abuse Prevention

NCT02715206
Conditions
Substance Abuse Problem
Interventions
keepin' it REAL classic, keepin' it REAL rural, control
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
11 Years to 15 Years
Enrollment
2,827 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2015
U.S. locations
2
States / cities
Columbus, Ohio • University Park, Pennsylvania
Conditions
Alcoholic, Marijuana Misuse
Interventions
MI/CBT, RT/TU
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
14 Years to 19 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
2
States / cities
Cranston, Rhode Island • Kingston, Rhode Island
Conditions
Cannabis Use
Interventions
Teen Marijuana Check Up, Treatment as Usual, Gold Standard Coaching, As Needed Coaching
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Suspended Not applicable Interventional Accepts healthy volunteers

Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults

NCT06077292
Conditions
Cannabis Use, THC, Marijuana Use, Cognitive Impairment, THC Vaping
Interventions
15% THC Potency Reduction, 35% THC Potency Reduction
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 25 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Substance Use Disorder, Posttraumatic Stress Disorder
Interventions
Prolonged Exposure with Contingency Management, Standard Care
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 25 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
3
States / cities
Farmington, Connecticut • Hartford, Connecticut • New Britain, Connecticut
Conditions
ADHD, Substance Abuse
Interventions
Methylphenidate (OROS-MPH), Methylphenidate (OROS-MPH) - Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
13 Years to 18 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
12
States / cities
Denver, Colorado • Jacksonville, Florida • St. Petersburg, Florida + 9 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Adolescent Involvement in Parental Substance Abuse Treatment

NCT01576393
Conditions
Substance Abuse
Interventions
Home-based Family Therapy, office-based family therapy, WHE
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
8 Years and older
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Family Spirit Study

NCT00356551
Conditions
Substance Abuse
Interventions
Family Spirit curriculum
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years to 24 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
5
States / cities
Fort Defiance, Arizona • Tuba City, Arizona • Whiteriver, Arizona + 2 more
Completed No phase listed Observational Accepts healthy volunteers

Validating Adolescent SBIRT Measures

NCT02981849
Conditions
Substance Abuse
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
14 Years to 17 Years
Enrollment
514 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Intervening to Prevent Youth Access to Marijuana Phase II

NCT03073291
Conditions
Cannabis
Interventions
Responsible Marijuana Vendor Training
Behavioral
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
21 Years and older
Enrollment
448 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Oakland, California • Golden, Colorado
Conditions
Pre-natal Cocaine Exposure, Risk-Taking
Interventions
fMRI
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 20 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Alcohol Abuse, Alcohol Dependence, Drug Abuse, Drug Dependence
Interventions
Integrated Twelve-Step Facilitation, Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 21 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts