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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Risk Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Linking Lives: Building Quality Parent Components for School-Based Health Programs in Middle Schools

NCT00136279
View directory record Official record
Conditions
Smoking, Sexual Behavior
Interventions
Linking Lives parent-based intervention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
Not listed
Enrollment
9,510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2009 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impaired Risk Awareness During Intoxication in DUI Offenders

NCT05247788
View directory record Official record
Conditions
Alcohol Use
Interventions
Blood alcohol concentration (BAC) discrimination training, Performance feedback training, Blood alcohol concentration (BAC) discrimination training for controls
Behavioral
Lead sponsor
Mark Fillmore
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Phase 2 Interventional

Culturally Informed Family Based Treatment of Adolescents: A Randomized Trial

NCT01823250
View directory record Official record
Conditions
Substance Use Disorders, Risk Behavior, Psychiatric Disorders, Family Dysfunction
Interventions
Family Therapy based on Structural Family Therapy, Group Therapy, Psychoeducational Sessions, Individual Adolescent Therapy Sessions
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
14 Years to 17 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

Improving Medication Adherence Through Graphically Enhanced Interventions in Acute Coronary Syndromes

NCT00399880
View directory record Official record
Conditions
Acute Coronary Syndrome (ACS)
Interventions
Health literacy intervention
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Jul 23, 2026, 6:04 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Metabolic and Bio-behavioral Effects of Following Recommendations in the Dietary Guidelines for Americans

NCT04293224
View directory record Official record
Conditions
Obesity, Body Weight
Interventions
DGA Mediterranean diet pattern, energy balance, DGA Mediterranean diet pattern, negative energy balance, TAD diet pattern, negative energy balance
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
19 Years to 64 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project PRIDE (Promoting Resilience In Discriminatory Environments)

NCT03528135
View directory record Official record
Conditions
Human Immunodeficiency Virus, Sexually Transmitted Infections, Anxiety, Depression, Substance Use Disorders
Interventions
Project PRIDE
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 25 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Jul 23, 2026, 6:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Maintaining Behavior Change: A 6-year Follow-up of Adolescent 'Night-owls'

NCT05098782
View directory record Official record
Conditions
Circadian Dysregulation
Interventions
Not listed
Lead sponsor
University of California, Berkeley
Other
Eligibility
Not listed
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of an Adapted STD Screening and Risk Reduction Intervention

NCT02513225
View directory record Official record
Conditions
Alcohol Use, Drug Use, Diagnostic Self Evaluation, Gonorrhea, Unprotected Sex, Chlamydia, Trichomonas
Interventions
Project EMPWR, Optimized Standard Care (OSC)
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 49 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Fort Apache, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional

Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study

NCT04646174
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation, American Lung Association self-management strategies for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Being Responsible for Ourselves HIV Risk Reduction for Black MSM

NCT02561286
View directory record Official record
Conditions
Human Immunodeficiency Virus Infection (HIV), Sexually Transmitted Disease (STD)
Interventions
BRO HIV Risk Reduction Intervention, Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional

Providing PrEP, Hepatitis C Treatment, and MOUD Through Telemedicine at Greensboro SSP

NCT05108935
View directory record Official record
Conditions
Opioid Use, Opioid Use Disorder, Risk Reduction, Hiv, Hepatitis C
Interventions
Suboxone, Truvada, Mavyret
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Durham, North Carolina • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Jul 23, 2026, 6:04 AM 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 Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

A Randomized Trial of Vaccine Adherence in Young Injection Drug Users

NCT00244374
View directory record Official record
Conditions
Medication Adherence, Substance Abuse, Intravenous, Risk Behavior, Hepatitis A, Hepatitis B, Hepatitis C
Interventions
Hepatitis A & B vaccine, Outreach, AIC, SEP
Biological · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 29 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2013 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact Evaluation of the Reducing the Risk Program

NCT02054026
View directory record Official record
Conditions
Sexual Behavior
Interventions
Reducing the Risk
Behavioral
Lead sponsor
Mathematica Policy Research, Inc.
Other
Eligibility
Not listed
Enrollment
2,220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
13
States / cities
Bardstown, Kentucky • Bowling Green, Kentucky • Cecilia, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DOT Diary Mobile App for Pre-Exposure Prophylaxis Adherence in Young Men

NCT03771638
View directory record Official record
Conditions
Adherence, Medication, Risk Behavior, Pre-Exposure Prophylaxis, HIV Prevention
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet, DOT Diary mobile app
Drug · Other
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Quetiapine for Delirium Prophylaxis in High-risk Critically Ill Patients

NCT02612948
View directory record Official record
Conditions
Psychomotor Agitation
Interventions
Quetiapine
Drug
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years to 100 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 23, 2015 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

Life Goals Collaborative Care to Improve Health Outcomes in Mental Disorders

NCT01487668
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia, Major Depressive Disorder, Schizoaffective Disorder, Cardiovascular Disease Risk
Interventions
Life Goals Collaborative Care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 99 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol and Sex Risk Intervention for MSM Supplement

NCT03522948
View directory record Official record
Conditions
Heavy Drinking and Sexual Risk Behavior
Interventions
Brief intervention with text messaging to reduce sexual risk and heavy drinking among MSM
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
21 Years to 50 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Men and Media Study

NCT04109443
View directory record Official record
Conditions
Sexual Behavior
Interventions
Young Men & Media Program, Available websites on safe sex and preventing STIs
Behavioral
Lead sponsor
Boston University
Other
Eligibility
14 Years to 17 Years · Male only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Juvenile Offender HIV Prevention and Drug Abuse Services

NCT01922297
View directory record Official record
Conditions
Risk Behavior, Substance Abuse, Delinquency
Interventions
Day Treatment MDFT-HIV, Day Treatment SAU
Other
Lead sponsor
University of Miami
Other
Eligibility
13 Years to 18 Years
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Jul 23, 2026, 6:04 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Qungasvik (Toolbox): Prevention of Alcohol/Suicide Risk in Alaska Native Youth

NCT05400135
View directory record Official record
Conditions
Suicide, Alcohol Use Disorder
Interventions
Qungasvik (Tools for Life)
Behavioral
Lead sponsor
University of Alaska Fairbanks
Other
Eligibility
12 Years to 21 Years
Enrollment
542 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Fairbanks, Alaska
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

Combined TMS and Brief Cognitive Behavioral Therapy to Reduce Suicide

NCT03952468
View directory record Official record
Conditions
Suicide
Interventions
Transcranial Magnetic Stimulation, Brief Cognitive Behavioral Therapy
Device · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 23, 2026, 6:04 AM EDT
Completed No phase listed Observational

Linking Former Inmates to Primary Care

NCT01863290
View directory record Official record
Conditions
Hypertension, Substance Abuse, Asthma, Depression
Interventions
Primary care redesign
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
816 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Martinez, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Jul 23, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

Customized Adherence Enhancement Plus Long-acting Injectable Antipsychotic

NCT01152697
View directory record Official record
Conditions
Patient Noncompliance
Interventions
haloperidol decanoate, haloperidol, Customized Adherence Enhancement
Drug · Behavioral
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 29, 2014 · Synced Jul 23, 2026, 6:04 AM EDT