Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 2:31 PM EDT

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Showing 1–24 of 45 matching trials from the live ClinicalTrials.gov search.
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Conditions
Sex, Unprotected Sex, Contraception, Alcohol Use, Drug Use, Pregnancy
Interventions
Respecting the Circle of Life (RCL), Control Program
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
11 Years and older
Enrollment
1,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Whiteriver, Arizona
Not listed Not applicable Interventional Accepts healthy volunteers

Individual and Contextual Factors That Influence Sexual Decisions

NCT03224416
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
Conditions
IUD, Contraceptive Implant, Contraception, Birth Control, Emergency Contraception
Interventions
Copper T-380 IUD, LNG IUD, Contraceptive implant Nexplanon, Depo-Provera
Drug · Device
Lead sponsor
University of Utah
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Valley City, Utah
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Education on Alcohol & Health

NCT05620849
Conditions
Sexual Behavior, Alcohol Drinking, Condomless Sex
Interventions
Online program
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Contraceptive Behavior, Sexually Transmitted Diseases
Interventions
follow-up phone counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Conditions
Unsafe Sex, Physical Violence, Sexual Assault, Sexual Abuse
Interventions
Nutrition Program (NP), Women's Prison CoOp (WPC)
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Framingham, Massachusetts • Cranston, Rhode Island
Conditions
Unprotected Sex, Contraceptive Usage, Reproductive and Sexual Health Care Utilization
Interventions
Pulse
Behavioral
Lead sponsor
Healthy Teen Network
Other
Eligibility
18 Years to 20 Years · Female only
Enrollment
1,304 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
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
Conditions
Emergency Contraception
Interventions
CDB-2914
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
17
States / cities
San Jose, California • Denver, Colorado • Miami, Florida + 14 more
Completed Not applicable Interventional Accepts healthy volunteers

Protect and Connect: Couple HIV Prevention for Drug Involved Male Offenders

NCT01690494
Conditions
Sexually Transmitted Diseases, Unsafe Sex, Substance-Related Disorders
Interventions
PACT, TAU
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

Education and Employment Support for HIV Prevention in Young Adults (ENSPIRE)

NCT06096324
Conditions
Economic Hardship, Condomless Sex, Utilization, Health Care
Interventions
Job announcements plus HIV prevention text messages, educational sessions, economic resources, and mentoring., Job announcements
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 24 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Unsafe Sex, Risk Reduction
Interventions
PROJECT POWER, Power Health
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

No Excuses/Sin Buscar Excusas Intervention to Reduce Latino Men's HIV Risks

NCT00690690
Conditions
HIV Infections
Interventions
Video (group-delivered video-based intervention), HCT
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 49 Years · Male only
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Accepts healthy volunteers

The Copper T380A IUD vs. Oral Levonorgestrel for Emergency Contraception

NCT00966771
Conditions
Pregnancy
Interventions
Copper T380 IUD, Oral levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of the SafeSpace App Intervention

NCT06043596
Conditions
Health Behavior, Health Care Utilization, Unprotected Sex, Sexually Transmitted Infections
Interventions
SafeSpace Sexual Health, SafeSpace General Health
Behavioral
Lead sponsor
Child Trends
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Sexual Behavior, Unprotected Sex
Interventions
Many Ways of Being, an innovative sexual health promotion program focused on addressing rigid gender norms and promoting healthy relationships, A career readiness program
Behavioral
Lead sponsor
Child Trends
Other
Eligibility
15 Years to 19 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Addressing Substance Use Through CVCT

NCT03125915
Conditions
Sex, Unsafe, Drug Use
Interventions
Communication skills training video, substance use module, Couples HIV Testing and Counseling
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
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
Conditions
Substance-related Disorders, Depression, High-risk Sex
Interventions
iSBIRT, iSBIRT/TE
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sexual Behavior, Unprotected Sex
Interventions
Re:MIX, a multi-layer comprehensive teen pregnancy prevention intervention aimed at reducing pregnancy and STIs among youth ages 13-17
Behavioral
Lead sponsor
Child Trends
Other
Eligibility
12 Years to 18 Years
Enrollment
621 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Austin, Texas
Conditions
Unsafe Sex, IV Drug Usage
Interventions
Not listed
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
13 Years to 24 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

MyLife MyStyle Evaluation Project

NCT01640392
Conditions
Unsafe Sex
Interventions
MyLife MyStyle group-level intervention
Behavioral
Lead sponsor
Los Angeles County Department of Public Health
Government
Eligibility
18 Years to 29 Years · Male only
Enrollment
528 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Post Traumatic Stress Disorders, Unsafe Sex, Substance Use Disorders
Interventions
Cognitive Processing Therapy-Cognitive
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Toppenish, Washington
Conditions
Sexual Behavior, Unprotected Sex, Gonorrhea, Chlamydia, Trichomonas, Sexually Transmitted Diseases, Adolescent Behavior, Self Evaluation
Interventions
Sexual Health Risk Assessment, Sexual Health Score, Sexual Health Messaging, Water SSB Quiz, Water SSB Score, Water SSB Messaging, STI Screening
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
14 Years to 26 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Whiteriver, Arizona