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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:20 PM EDT

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Showing 1–24 of 119 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Chlamydia Clear all
Not listed Phase 3 Interventional Accepts healthy volunteers

Identigene STD Test Collection Kit Validation Study

NCT01471392
View directory record Official record
Conditions
Infection
Interventions
STD Diagnostic Kit (Identigene)
Device
Lead sponsor
Identigene
Industry
Eligibility
14 Years and older
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 20, 2026, 4:20 PM EDT
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
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 15, 2022 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Phase 4 Interventional Results available

Trial of Azithromycin vs. Doxycycline for the Treatment of Rectal Chlamydia in MSM

NCT03608774
View directory record Official record
Conditions
Anal Chlamydia Infection
Interventions
Azithromycin, Doxycycline, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years · Male only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

STI/HIV Intervention Behavioral Intervention Program

NCT04547413
View directory record Official record
Conditions
Sexually Transmitted Infections
Interventions
STI/HIV Intervention Behavioral Intervention Program
Behavioral
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 30 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Fayetteville, North Carolina • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional Results available

A Study of the Cobas® Liat CT/NG/MG Test Versus Current Standard Practice for Managing Participants at Increased Risk of Sexually Transmitted Infections

NCT06369220
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using the Healthcare Visit to Improve Contraceptive Use

NCT00140296
View directory record Official record
Conditions
Pregnancy, Chlamydia
Interventions
Contraceptive counseling
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
16 Years to 44 Years · Female only
Enrollment
747 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 1, 2005 · Synced Oct 20, 2026, 4:20 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Chlamydia Trachomatis Persistence in the Female Gastrointestinal Tract

NCT00578188
View directory record Official record
Conditions
Chlamydia Infection
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
11 Years to 19 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 20, 2026, 4:20 PM EDT
Recruiting Not applicable Interventional

RESTORE: Comparing Two Approaches to Repeat TT Surgery Performed by Integrated Eye Care Workers (IECWs)

NCT07322302
View directory record Official record
Conditions
Trachoma, Eye Diseases, Trichiasis
Interventions
B-RAP, BLTR
Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional

Randomized Trial of Advanced Provision Emergency Contraception Among Women With Gonorrhea or Chlamydia

NCT00520455
View directory record Official record
Conditions
Pregnancy
Interventions
levonorgestrel 0.75mg taken twice 12 hours apart (Plan B) and condoms
Drug
Lead sponsor
University of Washington
Other
Eligibility
16 Years to 60 Years · Female only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 15, 2007 · Synced Oct 20, 2026, 4:20 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Azithromycin in Control of Trachoma II

NCT00286026
View directory record Official record
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

HIV and STD Prevention for High-Risk, Inner-City, African American Youth

NCT00353405
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 20, 2026, 4:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Detection of Chlamydia (CT) and Gonorrhea (NG)

NCT02055742
View directory record Official record
Conditions
Chlamydia, Gonorrhea
Interventions
illumigene CT and NG assays, illumipro-10
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
14 Years to 89 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
3
States / cities
Aurora, Colorado • Fall River, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Oct 20, 2026, 4:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT07290439
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 20, 2026, 4:20 PM EDT
Completed No phase listed Observational

Gonorrhea and Chlamydia HIV-infected Men Who Have Sex With Men

NCT02019771
View directory record Official record
Conditions
HIV Infection, Chlamydia, Gonorrhea
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 20, 2026, 4:20 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Comparing Specimen Collection Techniques to Screen for Sexually Transmitted Infections in Pregnant Women: A Pilot Study

NCT03877263
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT03098329
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 20, 2026, 4:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cepheid Rectal Sample Validation Study

NCT02099760
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 20, 2026, 4:20 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers Results available

Use of Abbott RealTime CT/NG to Detect Chlamydia Trachomatis [CT] & Neisseria Gonorrhoeae [NG] in Men Who Have Sex With Men [MSM]

NCT01291264
View directory record Official record
Conditions
Chlamydia Infection, Gonococcal Infection, Sexually Transmitted Diseases
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Oct 20, 2026, 4:20 PM EDT
Not listed Phase 2 Interventional

RESTORE-IT-Study of Rifalazil in Chlamydia Pneumoniae Seropositive Patients With a History of Atherosclerotic Disease

NCT00385385
View directory record Official record
Conditions
Coronary Artery Disease, Cerebrovascular Disease, Peripheral Vascular Disease
Interventions
Rifalazil
Drug
Lead sponsor
ActivBiotics
Industry
Eligibility
50 Years to 85 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
5
States / cities
Lansing, Michigan • Roslyn, New York • Stony Brook, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2007 · Synced Oct 20, 2026, 4:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Risk Assessment of Long-Haul Truck Drivers

NCT00381992
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Oct 20, 2026, 4:20 PM EDT
Recruiting Phase 4 Interventional

Doxycycline Prophylaxis for Prevention of Sexually Transmitted Infections

NCT06738407
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis, Sexually Transmitted Infections (STIs)
Interventions
Doxycycline hyclate delayed released 200 mg, Doxycycline hyclate delayed released 200 mg weekly, Per standard of care with quarterly STI testing/treatment and sexual health counseling
Drug · Other
Lead sponsor
Westat
Other
Eligibility
13 Years to 29 Years · Female only
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
13
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pragmatic Trial of Two Strategies for Implementing an Effective eHealth HIV Prevention Program (Keep It Up! 3.0)

NCT03896776
View directory record Official record
Conditions
HIV/AIDS, Gonorrhea, Chlamydia
Interventions
Keep It Up! 3.0
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
2,125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2023 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Phase 3 Interventional Results available

Comparative Study of Ceftaroline vs. Ceftriaxone in Adult Subjects With Community-Acquired Pneumonia

NCT00621504
View directory record Official record
Conditions
Bacterial Pneumonia
Interventions
Ceftaroline fosamil for Injection, IV Ceftriaxone, Placebo, Clarithromycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
12
States / cities
Los Angeles, California • Pasadena, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 20, 2026, 4:20 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger

NCT00618449
View directory record Official record
Conditions
Trachoma, Chlamydia Trachomatis
Interventions
Azithromcyin, Azithromycin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
1,139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 20, 2026, 4:20 PM EDT