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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Drug Abuse Prevention Clear all
Completed Phase 2Phase 3 Interventional Results available

Voucher-Based Incentives in a Prevention Setting

NCT00607269
View directory record Official record
Conditions
Substance-related Disorders
Interventions
Voucher-Based Reinforcement Therapy
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Sep 27, 2026, 4:52 AM EDT
Not yet recruiting Not applicable Interventional

Combining Social Network Strategies and Routine Substance Use Screening

NCT07414459
View directory record Official record
Conditions
HIV, Substance Use Disorder (SUD)
Interventions
Substance use disorder screening, Social network intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional

fMRI Study of a Dual Process Treatment Protocol With Substance Dependent Adults

NCT01320748
View directory record Official record
Conditions
Substance Abuse, Substance Dependence, Alcohol Abuse, Drug Use, Relapse
Interventions
Dual Processing, Relapse Prevention
Behavioral
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Sep 27, 2026, 4:52 AM EDT
Not yet recruiting Not applicable Interventional

Testing a Mobile Health Application to Improve HIV Prevention and Substance Use Treatment Among Women Involved in the Carceral System

NCT07432555
View directory record Official record
Conditions
Substance Abuse, HIV
Interventions
Tool to provide re-entry support and improve linkage to healthcare and social services
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Optimizing a Drug Abuse Prevention Program for Dissemination

NCT03125291
View directory record Official record
Conditions
Substance Abuse, Mental Health, Educational Problems
Interventions
Bridges 4-week Program
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
10 Years to 15 Years
Enrollment
664 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 27, 2026, 4:52 AM 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 Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional Results available

A Tailored, Peer-delivered Intervention to Reduce Recurring Opioid Overdoses

NCT02922959
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders, Drug Addiction, Drug Abuse, Substance Abuse
Interventions
Peer Intervention, naloxone nasal spray kit, Personally-tailored opioid overdose prevention education (information packet)
Behavioral · Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2020 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Drug Use Prevention Among Girls Through a Mother-Daughter Intervention

NCT00310258
View directory record Official record
Conditions
Adolescent Behavior
Interventions
Drug use prevention intervention
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
11 Years to 13 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Neurological Influences on Drug Prevention Intervention

NCT00198939
View directory record Official record
Conditions
Youths At-risk for Drug Use/Abuse
Interventions
Integrated Family and Cognitive-Behavioral Drug Prevention Intervention, Psychoeducation
Behavioral · Other
Lead sponsor
University of Florida
Other
Eligibility
11 Years to 15 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 27, 2012 · Synced Sep 27, 2026, 4:52 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

NC Young Women's CoOp

NCT02965014
View directory record Official record
Conditions
Condomless Sex, Human Immunodeficiency Virus (HIV), Sexually Transmitted Infection (STI), Alcohol and Drug Use
Interventions
Face-to-Face Young Women's CoOp (YWC), mHealth Young Women's CoOp (YWC), HIV Counseling and Testing
Behavioral
Lead sponsor
RTI International
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
652 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
4
States / cities
Durham, North Carolina • Greensboro, North Carolina • High Point, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 27, 2026, 4:52 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Implementing PrEP for Women Who Inject Drugs

NCT05360849
View directory record Official record
Conditions
HIV, Intravenous Substance Abuse, Women's Health, Organization and Administration, Primary Prevention, Implementation Science
Interventions
Practice Facilitation
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Familias Unidas: Preventing Substance Abuse in Hispanic Youth

NCT01038206
View directory record Official record
Conditions
Prevention, Family Function, Substance Use, Sexual Behavior
Interventions
Familias Unidas
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years and older
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Pepped on Pre-exposure Prophylaxis (PrEP): A Counseling and Problem-Solving PrEP Adherence Intervention for Stimulant Using Men Who Have Sex With Men (MSM).

NCT03137342
View directory record Official record
Conditions
PrEP Uptake, Stimulant Abuse, Adherence, Medication
Interventions
Pepped on PrEP Package
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Sep 27, 2026, 4:52 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Community-University Approach to Preventing HIV

NCT03938077
View directory record Official record
Conditions
HIV/AIDS and Infections, Drug Abuse, Adolescent Behavior, Drug Usage, Alcohol Use, Mental Health, Tobacco Use, HIV Testing
Interventions
Storytelling 4 Empowerment
Device
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Ann Arbor, Michigan • Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 4 Interventional

The Whole Day First Grade Program

NCT00257088
View directory record Official record
Conditions
Prevention of Drug Abuse and Dependency, Alcohol Abuse and Dependency, High Risk Sex Behavior, Smoking Tobacco, School Failure
Interventions
whole day first grade program
Behavioral
Lead sponsor
American Institutes for Research
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 13, 2008 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 4 Interventional

Improving Hepatitis C Treatment in Injection Drug Users

NCT00148031
View directory record Official record
Conditions
Hepatitis C, Liver Diseases, Drug Abuse, Alcoholism
Interventions
Pegylated Interferon and Ribavirin, Psychosocial, On-site (MMT Clinic) HCV evaluation and treatment, Off-site HCV evaluation and treatment
Drug · Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 65 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
2
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Sep 27, 2026, 4:52 AM EDT
Completed No phase listed Observational

Learning Effective Approaches to Prevention

NCT00985595
View directory record Official record
Conditions
Adolescent Substance Abuse
Interventions
Not listed
Lead sponsor
The National Center on Addiction and Substance Abuse at Columbia University
Other
Eligibility
13 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 2 Interventional

Brief Voluntary Alcohol and Drug Intervention for Middle School Youth

NCT01081119
View directory record Official record
Conditions
Alcohol Drinking, Cigarette Smoking, Marijuana Smoking
Interventions
Project CHOICE
Behavioral
Lead sponsor
RAND
Other
Eligibility
11 Years to 15 Years
Enrollment
6,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2014 · Synced Sep 27, 2026, 4:52 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Trial of Connecting to Promote Foster Teen Well-Being

NCT03157895
View directory record Official record
Conditions
Relationship, Family (Foster), Substance Use Prevention
Interventions
Connecting
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
11 Years to 15 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Drug Abuse Prevention Among Girls Through a Mother-Daughter Intervention

NCT01236248
View directory record Official record
Conditions
Substance Use
Interventions
Prevention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
11 Years to 13 Years · Female only
Enrollment
916 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Differential Sensitivity Markers in Youth Drug Abuse Prevention

NCT02622451
View directory record Official record
Conditions
Adolescent Substance Use
Interventions
Teen Intervene, Everyday Parenting
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
12 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Familias Unidas: Preventing Drug Abuse and HIV in Hispanic First Offenders

NCT01257022
View directory record Official record
Conditions
Substance Use, Unsafe Sexual Behavior
Interventions
Familias Unidas
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years to 17 Years
Enrollment
242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Break the Cycle: Prevention for Reducing Initiation Into Injection Drug Use

NCT03502525
View directory record Official record
Conditions
Substance Abuse, Intravenous, Prevention and Control
Interventions
Break the Cycle Intervention, Bacterial Infection Prevention
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention Program for Problem Behaviors in Girls in Foster Care

NCT00239837
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Sep 27, 2026, 4:52 AM EDT