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ClinicalTrials.gov public records Last synced Oct 17, 2026, 10:25 PM EDT

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Showing 1–24 of 1,756 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sexual Behavior Clear all
Completed Not applicable Interventional Results available

Metabolic Study of Sleep Apnea in Men and Women

NCT00706511
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
CPAP
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional

Therapy Targeting Depression and HIV Treatment Adherence (The TRIAD Study)

NCT00951028
View directory record Official record
Conditions
HIV, Depression, HIV Infections
Interventions
Cognitive behavioral therapy (CBT) for adherence and depression (CBT-AD), Life-steps adherence treatment, Information and supportive psychotherapy (ISP) for adherence and depression (ISP-AD)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
4
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Media Anti-Vaping Messages to Reduce ENDS Use Among Sexual and Gender Minority Teens

NCT06308081
View directory record Official record
Conditions
Vaping, Adolescent Behavior, Communication Research
Interventions
Tailored
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
13 Years to 20 Years
Enrollment
1,155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Phase 3 Interventional

Treatment of Erectile Dysfunction - Long Term Safety and Efficacy

NCT01065012
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Udenafil 50 mg, Udenafil 100 mg, Udenafil 150 mg, Placebo Matching 50 mg Udenafil, Placebo Matching 100 mg Udenafil, Placebo Matching 150 mg Udenafil
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
19 Years and older · Male only
Enrollment
1,027 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
72
States / cities
Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 65 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional

Increasing Social Support to Improve HIV Care Engagement and Adherence in St. Petersburg, Russia

NCT02167828
View directory record Official record
Conditions
HIV, AIDS
Interventions
Social Support
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional

Contextualizing & Responding to HIV Risk Behaviors

NCT03300908
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Project ADHERE, MACE
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Results available

High-Intensity Exercise to Attenuate Limitations and Train Habits in Older Adults With HIV

NCT04550676
View directory record Official record
Conditions
Hiv, Fatigue, Mobility Limitation
Interventions
HIIT (intervention), CME (active control), Coaching, Control text message
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Aurora, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Phase 3 Interventional Results available

SPIRIT EXTENSION: Efficacy and Safety Extension Study of Relugolix in Women With Endometriosis-Associated Pain

NCT03654274
View directory record Official record
Conditions
Endometriosis
Interventions
Relugolix, Estradiol/norethindrone acetate
Drug
Lead sponsor
Myovant Sciences GmbH
Industry
Eligibility
18 Years to 51 Years · Female only
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
60
States / cities
Andalusia, Alabama • Scottsdale, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2023 · Synced Oct 17, 2026, 10:25 PM EDT
Completed No phase listed Observational

Young Women Diagnosed With Early Stage Ovarian Cancer: A Focus on Fertility Issues and Sexual Function

NCT00525460
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Fertility-Sparing Survey
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2018 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Cigarette Use Among Urban Youth Via an M-Health Primary Care Preventive Intervention

NCT03855410
View directory record Official record
Conditions
Tobacco Use, Drug Use, Adolescent Behavior, Alcohol Use, Sexual Risk Behavior
Interventions
S4E, Attention-Matched Control Group
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 21 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Phase 3 Interventional

Motivation and Patch Treatment for HIV-positive Smokers

NCT00551720
View directory record Official record
Conditions
HIV Infections, Smoking Cessation
Interventions
Standard Care, Motivational Enhancement
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
444 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
5
States / cities
Fall River, Massachusetts • New Bedford, Massachusetts • Pawtucket, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safe Spaces 4 Sexual Health

NCT07133555
View directory record Official record
Conditions
HIV Counseling and Testing, HIV Risk Behavior, HIV Prevention
Interventions
Healthcare counseling service
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Evaluating the Effects of Avanafil on Semen Parameters

NCT01768676
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
avanafil, Placebo
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
15
States / cities
Huntsville, Alabama • Los Angeles, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Open-Label, Within-Subject Dose-Escalation Study to Evaluate the Clinical Safety and Pharmacokinetic Profile of a Topical Sildenafil Cream (5% w/w), in Healthy Postmenopausal Women

NCT02364882
View directory record Official record
Conditions
Female Sexual Health
Interventions
Sildenafil
Drug
Lead sponsor
Strategic Science & Technologies, LLC
Industry
Eligibility
35 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 22, 2015 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional

A Web-based Intervention Study to Reduce High-risk Sexual Behavior by Persons Living With HIV AIDS (PLWH)

NCT01198418
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Experimental
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
3
States / cities
Los Angeles, California • San Diego, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-exposure Prophylaxis Implementation in Central-Eastern European Countries

NCT05323123
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
SPARK, HealthMpowerment, PrEP Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 17, 2026, 10:25 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

HPV Multilevel Intervention Strategies Targeting Immunization in Community Settings (HPV MISTICS)

NCT05677360
View directory record Official record
Conditions
Human Papilloma Virus (HPV) Vaccine
Interventions
HPV MISTICS -Provider Level, HPV MISTICS - Parent Level, HPV MISTICS- HPV Vaccine Champion Level
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
564 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 17, 2026, 10:25 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Adipose-derived SVF for Treatment of Erectile Dysfunction (ED)

NCT03886402
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
GID SVF-2
Device
Lead sponsor
GID BIO, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Youth Mentoring Program

NCT00158353
View directory record Official record
Conditions
Self Concept
Interventions
GirlPOWER! mentoring program, Traditional mentoring
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
10 Years to 13 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Innovative HIV Prevention Intervention Using Social Networking Technology

NCT01381653
View directory record Official record
Conditions
Sexual Risk, Substance Use
Interventions
Behavioral: HIV prevention intervention
Other
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex-Divergent Effects of Magnesium L-Threonate Supplementation on Sleep Quality, Cognitive Performance, and Neuromuscular Function in Healthy Adults

NCT07706283
View directory record Official record
Conditions
Healthy Adults; Cognitive Performance; Sleep Quality; Neuromuscular Function
Interventions
Magnesium L-threonate, Placebo
Dietary Supplement
Lead sponsor
Barry University
Other
Eligibility
18 Years to 45 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami Shores, Florida
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 17, 2026, 10:25 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Objective of This Phase 1 Study is to Evaluate the Food Effect of 100 mg Hezkue Turbo® (ASP-001.1, Sildenafil) Under Fed Versus 100 mg of Hezkue Turbo® (ASP-001.1, Sildenafil) Under Fasted Conditions in Healthy Adult Male Subjects

NCT06872866
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
ASP-001.1, ASP-001.1
Drug · Device
Lead sponsor
Aspargo Labs, Inc
Industry
Eligibility
20 Years to 70 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Oct 17, 2026, 10:25 PM EDT
Completed Not applicable Interventional

The Efficacy of the HIV/AIDS Symptom Management Manual

NCT00241202
View directory record Official record
Conditions
HIV, Acquired Immunodeficiency Syndrome
Interventions
Symptom Management Manual
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
775 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
7
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2008 · Synced Oct 17, 2026, 10:25 PM EDT
Not listed Not applicable Interventional

Using the Connect: Game Based Intervention

NCT05927194
View directory record Official record
Conditions
Adolescent Behavior, Contraception, Health Behavior
Interventions
Using the Connect
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
9 Years to 15 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 17, 2026, 10:25 PM EDT