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Showing 1–24 of 129 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sexual Health Risk Assessment Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)

NCT02330419
View directory record Official record
Conditions
Binge Drinking, HIV
Interventions
Placebo, Naltrexone, Medical Management (MM) counseling for alcohol use:, Urinalysis for novel alcohol biochemical markers:, Behavioral survey measurements:, Dried Blood Spot (DSB) Testing for Phosphatidylethanol, Ecological Momentary Assessment
Drug · Behavioral · Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing HIV Counseling and Testing and Referral Through an Adaptive Drug Use Intervention

NCT02945436
View directory record Official record
Conditions
HIV, Substance Use
Interventions
Substance Use Brief Intervention, Standard of Care (SOC)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
15 Years to 29 Years
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional

Repeat Sexually Transmitted Infection (STI) Patients: Tailored Socio-Contextual Intervention to Reduce HIV Risk

NCT01510262
View directory record Official record
Conditions
Sexually Transmitted Infection, HIV
Interventions
Tailored Socio-Contextual Intervention, Standard of Care
Behavioral
Lead sponsor
University of Wisconsin, Milwaukee
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Sep 9, 2026, 8:46 PM EDT
Not yet recruiting Not applicable Interventional

Project SPACE: Testing Daily Text Messages to Reduce Alcohol Use and HIV Risk Behavior

NCT07769580
View directory record Official record
Conditions
HIV, Risk Behavior, Alcohol Abuse
Interventions
CLT- Concrete text messages, CLT- Abstract text messages, Control messages, No messages, GamePlan Online Program
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Active, not recruiting Not applicable Interventional

Evaluation of RRFT for Co-occurring SUD and PTSD Among Teens

NCT05384223
View directory record Official record
Conditions
Substance Use Disorders, PTSD
Interventions
RRFT (Risk Reduction through Family Therapy), ENCOMPASS (Integrated Treatment for Adolescents and Young Adults)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
13 Years to 75 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Recruiting No phase listed Observational

Evaluate the Effects of Long-term Use of Psychotropic Medications on Eye Movement Patterns With the Gaize Device

NCT07389473
View directory record Official record
Conditions
ADHD, Depression Disorders, Mood Disorders, Anxiety Disorder Generalized, Bipolar Disorder (BPD)
Interventions
Prescription Psychotropic Medications
Drug
Lead sponsor
Gaize
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of 3T, a Sex-Positive HIV/STI Mobile App Intervention for Young Black Men Ages 14-19 Attracted to Men

NCT04135443
View directory record Official record
Conditions
HIV/AIDS and Infections, Sexual Behavior, Health Knowledge, Attitudes, Practice
Interventions
3T Tune in! Turn on! Turn up!, General Health Materials Website
Behavioral
Lead sponsor
ETR Associates
Other
Eligibility
14 Years to 19 Years · Male only
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine and Tobacco Message Framing to Change Smoking Behavior in Diverse Groups of Young Adult Smokers

NCT06644664
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Health Education, Interview, Smoking Cessation Intervention, Survey Administration, Text Message-Based Navigation Intervention
Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Alcohol-related Sexual Revictimization in College

NCT05257603
View directory record Official record
Conditions
Sexual Assault
Interventions
RPCW, HEC
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 22 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Sep 9, 2026, 8:46 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Preventing Health Damaging Behaviors in Male and Female Army Recruits

NCT01234103
View directory record Official record
Conditions
Sexually Transmitted Infection (STI) Prevention, Unintended Pregnancy Prevention, Sexual Risk Reduction, Alcohol and Other Substance Use Prevention, Intimate Partner Violence Prevention
Interventions
Preventing Helath Damaging Health Behaviors in Male and Female Army Recruits
Behavioral
Lead sponsor
United States Department of Defense
Federal
Eligibility
18 Years and older
Enrollment
933 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced Sep 9, 2026, 8:46 PM EDT
Completed No phase listed Observational

Managerial Database II

NCT01009827
View directory record Official record
Conditions
HIV
Interventions
Observation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
1,712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Phase 1 Interventional

Dose Escalation Study of Preoperative SBRT for High Risk Prostate Cancer

NCT02572284
View directory record Official record
Conditions
Prostate Cancer
Interventions
Stereotactic Body Radiation Therapy (SBRT), Prostatectomy, Quality of Life Questionnaires
Radiation · Procedure · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adolescent Sexually Transmitted Infection Screening in the Emergency Department

NCT03715335
View directory record Official record
Conditions
Gonorrhea, Chlamydia
Interventions
Targeted STI Screening, Universally Offered STI Screening
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 21 Years
Enrollment
98,413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
5
States / cities
Aurora, Colorado • Columbus, Ohio • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PrEP Optimization Among Women to Enhance Retention and Uptake

NCT05626452
View directory record Official record
Conditions
PrEP Uptake
Interventions
PrEP Education, Provider training, EMR Optimization, PrEP Navigation, Provider Audit and Feedback
Behavioral · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
724 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Multi-Component Alcohol and Sex Risk Intervention for College Students

NCT05180539
View directory record Official record
Conditions
College Drinking
Interventions
SPLASH Intervention Condition, Control Condition
Behavioral
Lead sponsor
Lehigh University
Other
Eligibility
18 Years to 24 Years
Enrollment
274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Reducing Sexual Risk Behaviors and Improving Health for People at a Sexually Transmitted Infection Clinic

NCT00947271
View directory record Official record
Conditions
HIV, Sexually Transmitted Diseases, HIV Infections
Interventions
DVD 1, DVD 2
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
16 Years and older
Enrollment
1,010 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2014 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Phase 1Phase 2 Interventional

Timing Personalized Feedback After Alcohol Health Education

NCT04453007
View directory record Official record
Conditions
College Student Drinking
Interventions
e-checkup to go, Feedback booster
Behavioral
Lead sponsor
Abby Braitman
Other
Eligibility
18 Years to 24 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of an Abstinence-Only HIV Risk-Reduction Intervention for Young African-American Adolescents

NCT00640653
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Abstinence-only HIV/STD risk-reduction intervention, Safer-sex-only HIV/STD risk-reduction intervention, Long comprehensive HIV/STD risk-reduction intervention, Short comprehensive HIV/STD risk-reduction intervention, Health promotion control intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional

A Self-Assessment Intervention for Young Adult Polydrug Users at Risk for HIV

NCT01362634
View directory record Official record
Conditions
HIV Infection, Substance Abuse
Interventions
Trans-theoretical Process of Change Model-self, Trans-theoretical Process of Change Model - interviewer
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 39 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Parent-Based Intervention to Reduce Sexual Risk Behavior in Adolescents

NCT01326806
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Families Talking Together, Active Control on Hygiene & Nutrition
Behavioral
Lead sponsor
New York University
Other
Eligibility
11 Years to 14 Years
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2022 · Synced Sep 9, 2026, 8:46 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Natural History Study of Early Life Exposures in Agriculture (ELEA)

NCT07328516
View directory record Official record
Conditions
Prostate Cancer, Leukemia, Breast Cancer, Melanoma, Colorectal Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
64,277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Wrap It Up Rigorous Evaluation

NCT06574321
View directory record Official record
Conditions
Pregnancy in Adolescence, Sexually Transmitted Diseases
Interventions
Wrap It Up (WIU)
Behavioral
Lead sponsor
ETR Associates
Other
Eligibility
16 Years to 19 Years
Enrollment
1,120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Everyday Exposures: How Chemicals and Weight Impact Breast Cancer Risk

NCT07137468
View directory record Official record
Conditions
Breast Cancer
Interventions
Surveys, Video
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 9, 2026, 8:46 PM EDT
Completed Phase 2Phase 3 Interventional

A Bundled Rapid HIV/HCV Testing Intervention to Increase Receipt of Test Results

NCT02355080
View directory record Official record
Conditions
Substance-related Disorders
Interventions
On-site bundled rapid HIV/HCV testing, Standard of care (SOC)
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Sep 9, 2026, 8:46 PM EDT