Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 9, 2026, 12:36 AM EDT

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Showing 1–24 of 117 matching trials from the live ClinicalTrials.gov search.
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Conditions
Atherosclerosis, Chlamydia Infections, Cytomegalovirus Infections, Pneumonia, Bacterial, Postmenopause
Interventions
Estrogen therapy
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Maternal and Child Health Through Point-of-care STI Testing

NCT07290439
Conditions
Treponema Pallidum Infection, Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection, Trichomonas Vaginalis Vaginitis, Sexually Transmitted Infection
Interventions
Point-of-care STI tests, Standard of care STI testing
Diagnostic Test
Lead sponsor
Emory University
Other
Eligibility
Female only
Enrollment
756 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Keep It Up! 2.0: A Comparison of Two Online HIV Intervention Programs for Young Men Who Have Sex With Men

NCT01836445
Conditions
HIV, Gonorrhea, Chlamydia
Interventions
Keep It Up!, HIV Knowledge Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
901 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia • Chicago, Illinois • New York, New York
Conditions
Sexually Transmitted Diseases
Interventions
Endocervical swab for detection of STI, Vaginal swab for detection of STI
Diagnostic Test
Lead sponsor
OhioHealth
Other
Eligibility
16 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Columbus, Ohio
Terminated Not applicable Interventional Accepts healthy volunteers

Multi-level Interventions for STD Prevention Among Adolescents

NCT00146406
Conditions
Chlamydia
Interventions
Project Connect
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
11 Years to 20 Years
Enrollment
36,502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Conditions
HIV Infection, Sexually Transmitted Infection
Interventions
HIV PrEP - choice of F/TDF, F/TAF, or CAB-LA, STI PEP - Doxycycline as Doxy-PEP, 3P mHealth package, Handout about HIV PrEP options available at the site, Standard-of-care HIV PrEP counseling from qualified study staff
Drug · Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years to 29 Years · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Los Angeles, California • The Bronx, New York
Conditions
Chlamydial Infection
Interventions
Doxycycline, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years and older
Enrollment
526 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
5
States / cities
Birmingham, Alabama • Atlanta, Georgia • Rochester, New York + 1 more
Completed Phase 2 Interventional Results available

YCFM (Youth Correctional Facilities Males)

NCT03249935
Conditions
Chlamydial Infection
Interventions
Azithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 21 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Chlamydial Infection
Interventions
Azithromycin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 21 Years
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Birmingham, Alabama • Los Angeles, California
Conditions
Trachoma
Interventions
10% permethrin in water applied as low volume spray
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Months to 8 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Chlamydia Trachomatis, Neisseria Gonorrhoeae
Interventions
Social Cognitive Counseling
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 65 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
HIV, Sexual Behavior, Women's Role, Risk Behavior, Chlamydia
Interventions
Love, Sex, & Choices
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
814 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chlamydia Trachomatis, Neisseria Gonorrhoeae
Interventions
vaginal self sampling, provider-performed endocervical sampling
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
533 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Fresno, California
Not listed Not applicable Interventional Accepts healthy volunteers

Increased Access to Emergency Contraceptive Pills

NCT00060463
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
Increased access to emergency contraceptive pills
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
14 Years to 24 Years · Female only
Enrollment
1,490 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
2
States / cities
Reno, Nevada • Durham, North Carolina
Conditions
Peripheral Vascular Diseases, Intermittent Claudication
Interventions
Rifalazil
Drug
Lead sponsor
ActivBiotics
Industry
Eligibility
40 Years to 80 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
23
States / cities
Scottsdale, Arizona • Palo Alto, California • San Diego, California + 20 more
Conditions
Sexually Transmitted Diseases, Chlamydia, Gonorrhea
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
Male only
Enrollment
907 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 2 Interventional Accepts healthy volunteers

Online HIV Prevention for Young Male Couples

NCT03284541
Conditions
Hiv, Chlamydia, Gonorrhea
Interventions
2GETHER, Existing Public Health Practice
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Social Skills Training, Mass media, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 17 Years
Enrollment
1,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
4
States / cities
Atlanta, Georgia • Syracuse, New York • Providence, Rhode Island + 1 more
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

Self-Obtained Vaginal Swabs for Chlamydia and Gonorrhea Testing

NCT01849653
Conditions
Chlamydial Infection, Gonococcal Infection
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 75 Years · Female only
Enrollment
3,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Conditions
Chlamydia Infections, Gonorrhea
Interventions
APTIMA Assays; PANTHER System
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
16 Years and older
Enrollment
1,492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Conditions
Streptococcus Pneumonia, Haemophilus Influencae, Mycoplasma Pneumonia, Chlamydia Pneumonia
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Risk Assessment of Long-Haul Truck Drivers

NCT00381992
Conditions
Gonorrhea, Chlamydia Infections, Hepatitis B, Hepatitis C, Diabetes Mellitus, Hypertension, Obesity, HIV Infections, Hyperlipidemia
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington