Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:56 AM EDT

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Showing 1–24 of 103 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Sexually Transmitted Diseases, Gonorrhea, Chlamydia
Interventions
EVO100, Placebo
Drug
Lead sponsor
Evofem Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,892 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
98
States / cities
Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 71 more
Completed Not applicable Interventional Accepts healthy volunteers

Trial of an Adapted STD Screening and Risk Reduction Intervention

NCT02513225
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
Completed Phase 2 Interventional Accepts healthy volunteers

Safer Sex Program for Young African-American Men

NCT01439503
Conditions
Gonorrhea, Chlamydia, Trichomoniasis, Syphilis, HIV Infections
Interventions
Intervention
Behavioral
Lead sponsor
Richard Crosby
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Jackson, Mississippi
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adolescent Sexually Transmitted Infection Screening in the Emergency Department

NCT03715335
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
Conditions
Gonococcal Infection
Interventions
Meningococcal Group B Vaccine, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
2,606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 6 more
Completed Not applicable Interventional Accepts healthy volunteers

Check it: A New Approach to Controlling Chlamydia Transmission in Young People

NCT03098329
Conditions
Chlamydia Trachomatis Infection, Gonorrhea
Interventions
Ct/GC screening
Other
Lead sponsor
Tulane University
Other
Eligibility
15 Years to 26 Years · Male only
Enrollment
1,907 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Trichomonas Vaginitis, Chlamydia Trachomatis, Neisseria Gonorrhoeae Infection
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
15 Years and older · Female only
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Cepheid Rectal Sample Validation Study

NCT02099760
Conditions
Gonorrhea, Chlamydia, Trichomonas
Interventions
STD testing (GC/Ct/trich)
Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Conditions
Chlamydia Trachomatis Infection, Neisseria Gonorrhoeae Infection, Mycoplasma Genitalium Infection
Interventions
cobas® liat CT/NG/MG nucleic acid test, Standard of Care (SOC): Clinician's Standard Practice
Diagnostic Test · Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
San Francisco, California • Hamilton Square, New Jersey • Perth Amboy, New Jersey + 1 more
Conditions
Mycoplasma Genitalium Infection
Interventions
Comparison of two standard of care regimens
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Chlamydia, Gonorrhea
Interventions
Not listed
Lead sponsor
Siemens Healthcare Diagnostics Inc
Industry
Eligibility
18 Years to 99 Years
Enrollment
2,296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 4 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Assess Gonorrhoeae Immune Responses Induced by a N. Meningitidis Vaccine

NCT04094883
Conditions
Neisseria Gonorrhoeae Infection
Interventions
Meningococcal Group B Vaccine
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Opioid Use Disorder, HIV, Hepatitis C Virus, Gonorrhea, Chlamydia, Syphilis, Sexually Transmitted Infection, Integrated Care, Medications for Opioid Use Disorder
Interventions
Integrated care
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2029
U.S. locations
1
States / cities
Northport, New York
Conditions
Chlamydial Infection, Gonorrhoea, Trichomoniasis
Interventions
Click Device
Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years to 99 Years · Female only
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
8
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 5 more
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Jackson, Mississippi
Conditions
Pregnancy, HIV Infections, Sexually Transmitted Diseases
Interventions
CenteringPregnancy Plus (CP+), Usual care
Behavioral
Lead sponsor
Yale University
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
1,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • New York, New York
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Experimental Human Infection With Neisseria Gonorrhoeae (LptA Trial)

NCT04870138
Conditions
Gonococcal Infection
Interventions
Azithromycin, Ceftriaxone, Ciprofloxacin, Neisseria gonorrhoeae strain FA1090 A26, Neisseria gonorrhoeae strain FA7527
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Gonorrhea, Chlamydia
Interventions
ACASI
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 21 Years
Enrollment
801 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Chlamydia, Gonorrhea, HIV
Interventions
HIV testing, STI/HIV-T, STI/HIV-Plus
Behavioral
Lead sponsor
North Bronx Healthcare Network
Other
Eligibility
14 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Completed No phase listed Observational Accepts healthy volunteers Results available

Clinical Evaluation of the APTIMA® COMBO 2® Assay Using the PANTHER™ System

NCT01733069
Conditions
Chlamydia Trachomatis, Neisseria Gonorrhoeae Infection
Interventions
APTIMA COMBO 2 Assay (AC2 Assay)
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
14 Years and older
Enrollment
1,912 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
7
States / cities
Indianapolis, Indiana • New Orleans, Louisiana • Fall River, Massachusetts + 4 more
Conditions
Chlamydia, Gonorrhea
Interventions
Home screening, Clinic screening
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
14 Years to 45 Years · Female only
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Chlamydia Trachomatis, Gonorrhea
Interventions
Not listed
Lead sponsor
Hologic, Inc.
Industry
Eligibility
14 Years and older · Female only
Enrollment
1,766 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
18
States / cities
Birmingham, Alabama • New Haven, Connecticut • Miami, Florida + 15 more
Conditions
Gonorrhea
Interventions
Gepotidacin, Ceftriaxone, Azithromycin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
13
States / cities
Los Angeles, California • Palm Springs, California • DeLand, Florida + 10 more