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Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Risky Behaviors Clear all
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 Sep 5, 2026, 4:21 PM 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 5, 2026, 4:21 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Emotion Regulation for Middle Schoolers

NCT07749885
View directory record Official record
Conditions
Emotion Regulation Difficulties, Risky Behaviors
Interventions
iTRAC
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
10 Years to 15 Years
Enrollment
990 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Bethel, Oregon • Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional

Project IntERact V2

NCT05109325
View directory record Official record
Conditions
Firearm Violence, Firearm Carriage, Injury Prevention
Interventions
IntERact
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 30 Years
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Flint, Michigan • Saginaw, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional Results available

The SOLVE-IT National Randomized Trial

NCT00653991
View directory record Official record
Conditions
HIV Infections
Interventions
SOLVE-IT
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 24 Years · Male only
Enrollment
2,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2019 · Synced Sep 5, 2026, 4:21 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Individual and Contextual Factors That Influence Sexual Decisions

NCT03224416
View directory record Official record
Conditions
Binge Drinking, Unsafe Sex, HIV/AIDS, Sexually Transmitted Diseases
Interventions
Alcohol Administration, Placebo Alcohol Administration, No Alcohol Administration
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 5, 2026, 4:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Moon and Sun Brothers: A Community Prevention Intervention (Hermanos de Luna y Sol)

NCT07475702
View directory record Official record
Conditions
Help-Seeking Behavior, Pre-exposure Prophylaxis Use, Condomless Sex, Risky Health Behavior
Interventions
Moon and Sun Brothers: A Community Prevention Intervention
Behavioral
Lead sponsor
San Francisco State University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
San Francisco, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

TRAC-ER Intervention to Reduce Risky Alcohol Use and HIV Risk

NCT05576350
View directory record Official record
Conditions
Risk Behavior, Alcohol Use Disorder, HIV Infections
Interventions
Smartphone Based Alcohol Monitoring (SAM), Tracking and Reducing Alcohol Consumption (TRAC), TRAC-ER
Behavioral
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 35 Years
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 5, 2026, 4:21 PM EDT
Completed No phase listed Observational Results available

Hepatitis C Treatment to Prevent HIV, Initiate Opioid Substitution Therapy, and Reduce Risky Behavior

NCT03221309
View directory record Official record
Conditions
HCV, Buprenorphine, PreP
Interventions
Evaluate model of care for HCV-infected adults with on-going opioid misuse
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Batlimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional

SafERteens M-Coach

NCT03344666
View directory record Official record
Conditions
Alcohol Drinking, Violence
Interventions
Step 1 Treatment BI+HC, Step 1 Treatment BI+TM, Step 2 Treatment Responders, Step 2 Treatment Non-Responders
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 20 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
4
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Flint, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents

NCT01170260
View directory record Official record
Conditions
Risk Reduction Behavior, Health Behavior, Sexual Behavior, Adolescent Behavior, Cannabis
Interventions
INFORMATION-ONLY SEXUAL RISK REDUCTION (INFO-ONLY), SEXUAL PLUS ALCOHOL RISK REDUCTION (SRRI+ETOH), SEXUAL + ALCOHOL + MARIJUANA RISK REDUCTION
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
14 Years to 18 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 22, 2024 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional

Computer-based Cognitive Behavioral Therapy for Risky Behaviors in Opioid Dependent Patients

NCT01645033
View directory record Official record
Conditions
Opioid Dependence, Hepatitis, HIV
Interventions
computerized Cognitive Behavioral Therapy (CBT), Treatment as Usual (TAU)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 11, 2014 · Synced Sep 5, 2026, 4:21 PM EDT
Recruiting Not applicable Interventional

An Interactive Education Program to Reduce High Risk Behavior in Adolescents Ph II (iTRAC HERO)

NCT06894277
View directory record Official record
Conditions
Risky Sexual Behavior, Emotion Regulation, Adolescent Behavior
Interventions
iTRAC-HERO
Behavioral
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
12 Years to 14 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Golden, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Phase 1 Interventional

Telephone-delivered Behavioral Interventions to Reduce Risky Sexual Behavior in HIV-positive Late Middle-age and Older Adults

NCT01499706
View directory record Official record
Conditions
Unsafe Sex
Interventions
1-session of telephone-administered motivational interviewing, 4-session telephone-administered motivational interviewing
Behavioral
Lead sponsor
Ohio University College of Osteopathic Medicine
Other
Eligibility
45 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 25, 2011 · Synced Sep 5, 2026, 4:21 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT01088542
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional

Drug Use and Sexual Risk Behaviors Among Emerging Adults in the ER

NCT03079856
View directory record Official record
Conditions
Drug Use, Sex Behavior
Interventions
Brief Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional

Impact of Personalized Feedback Alone on Substance Use Behaviors

NCT01501318
View directory record Official record
Conditions
Substance Abuse
Interventions
Personalized feedback report, Personalized feedback report plus education
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 105 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 5, 2026, 4:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Increasing Mindfulness Engagement Project

NCT07170202
View directory record Official record
Conditions
Healthy Participants, Feasibility Studies, Acceptability
Interventions
Mindfulness Smartphone Application
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Phase 2 Interventional

The iHealth Study in College Students

NCT00183131
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Dependence, Unhealthy Alcohol Use, Risky Alcohol Consumption Amounts, Hazardous Alcohol Use
Interventions
Brief Personalized Feedback
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2010 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Health in Pregnancy (HIP) Study

NCT00540319
View directory record Official record
Conditions
Pregnancy
Interventions
HIP
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
5
States / cities
Oakland, California • San Francisco, California • San Jose, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced Sep 5, 2026, 4:21 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Integrative Alcohol and Risky Sex Feedback for College Students

NCT05011903
View directory record Official record
Conditions
Alcohol Drinking in College, Sexual Behavior
Interventions
Cross-tailored Dynamic Feedback, Personalized Feedback Intervention, Dynamic Feedback on General Health Behaviors
Behavioral
Lead sponsor
Anne E Ray
Other
Eligibility
18 Years to 20 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Lexington, Kentucky • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Phase 2 Interventional

Text-message Program to Reduce Risky Sexual Behavior in Young Adult Female Emergency Department (ED) Patients

NCT01548183
View directory record Official record
Conditions
Education, Sex
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 5, 2026, 4:21 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Neuroimaging Mechanisms by Which Memory and Glucocorticoids Promote Risky Drinking

NCT04896489
View directory record Official record
Conditions
Alcohol Drinking, Drinking Behavior, Episodic Memory, Long-term Memory
Interventions
Hydrocortisone 20 MG, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Sep 5, 2026, 4:21 PM EDT
Active, not recruiting Not applicable Interventional

A Female-Specific CBT Group for Veteran Women With Alcohol Use Disorder in VA Primary Care Settings

NCT06118346
View directory record Official record
Conditions
Alcohol Use Disorder, Risky Health Behavior
Interventions
Female-Specific Cognitive Behavioral Therapy (FS-CBT), Usual Care
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older · Female only
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 5, 2026, 4:21 PM EDT