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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chlamydia Trachomatis Infection Clear all
Completed No phase listed Observational Accepts healthy volunteers

Clinical Evaluation of the Click Sexual Health Test for the Detection of Neisseria Gonorrhoeae (NG), Trichomonas Vaginalis (TV), and Chlamydia Trachomatis (CT) in Women

NCT04098900
View directory record Official record
Conditions
Chlamydial Infection, Gonococcal Infection, Trichomoniasis
Interventions
Click Sexual Health Test
Diagnostic Test
Lead sponsor
Visby Medical
Industry
Eligibility
14 Years to 99 Years · Female only
Enrollment
309 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Saint Paul, Minnesota • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced Sep 9, 2026, 8:30 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Seek, Test, and Treat Intervention to Reduce Chlamydia Trachomatis Disparities

NCT06428643
View directory record Official record
Conditions
Chlamydia, Gonorrhea, Hiv, Syphilis
Interventions
Chlamydia, gonorrhea, syphilis, and HIV screening
Other
Lead sponsor
Tulane University
Other
Eligibility
15 Years to 26 Years
Enrollment
2,322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 9, 2026, 8:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Evaluation of the ID NOW™ CT/NG Test

NCT06395675
View directory record Official record
Conditions
Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection, Asymptomatic Condition
Interventions
ID NOW™
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
14 Years and older
Enrollment
7,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Performance of Nucleic Acid Amplification Tests for the Detection of NG and CT

NCT02870101
View directory record Official record
Conditions
Neisseria Gonorrhoeae Infection, Chlamydia Trachomatis Infection, Sexually Transmitted Infections
Interventions
Nucleic acid amplification test 1 for NG and CT, Nucleic acid amplification test 2 for NG and CT, Nucleic acid amplification test 3 for NG and CT
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,767 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
9
States / cities
Hollywood, California • Los Angeles, California • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Sep 9, 2026, 8:30 AM 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 7, 2012 · Synced Sep 9, 2026, 8:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunopathogenesis of Chlamydia

NCT00607659
View directory record Official record
Conditions
CHLAMYDIA INFECTIONS
Interventions
No intervention, only observational
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
11 Years to 21 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 9, 2026, 8:30 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of a Single-Use, Point-of-Care Molecular Diagnostic Device for the Detection of Neisseria Gonorrhoeae (NG), Trichomonas Vaginalis (TV), and Chlamydia Trachomatis (CT) Utilizing Vaginal Swabs

NCT03596151
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of Rifalazil for the Treatment of Chlamydia Trachomatis Infection in Women

NCT01631201
View directory record Official record
Conditions
Chlamydia Trachomatis Infection
Interventions
Rifalazil 25 milligram, Azithromycin 1 gram
Drug
Lead sponsor
ActivBiotics Pharma, LLC
Industry
Eligibility
19 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Birmingham, Alabama • San Diego, California • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2013 · Synced Sep 9, 2026, 8:30 AM 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 3, 2014 · Synced Sep 9, 2026, 8:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Evaluation of Visby Medical Men's Sexual Health Test

NCT07659808
View directory record Official record
Conditions
Sexually Transmitted Diseases
Interventions
Visby Medical Men's STI PCR Test Kit
Diagnostic Test
Lead sponsor
Visby Medical
Industry
Eligibility
14 Years and older · Male only
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Miami Lakes, Florida • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 9, 2026, 8:30 AM 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 22, 2021 · Synced Sep 9, 2026, 8:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Validation Study for Detecting Chlamydia and Gonorrhea in Rectal Samples

NCT00827697
View directory record Official record
Conditions
Gonorrhea, Chlamydia
Interventions
Gen-Probe APTIMA Combo2 (AC2)
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NeuMoDx PrEDiCTiNG Study Evaluation Plan

NCT03970850
View directory record Official record
Conditions
Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection
Interventions
NeuMoDx CT/NG Assay, FDA-cleared NAATs
Diagnostic Test
Lead sponsor
NeuMoDx Molecular, Inc.
Industry
Eligibility
14 Years to 80 Years
Enrollment
4,017 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
15
States / cities
Birmingham, Alabama • North Miami, Florida • Orlando, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Phase 2B/3 Double-blinded Placebo-controlled

NCT03107377
View directory record Official record
Conditions
Chlamydia Trachomatis Infection
Interventions
EVO100, Placebo
Drug
Lead sponsor
Evofem Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
860 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
50
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 9, 2026, 8:30 AM 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 4, 2021 · Synced Sep 9, 2026, 8:30 AM 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 6, 2019 · Synced Sep 9, 2026, 8:30 AM 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 12, 2026 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Home Screening for Chlamydia Surveillance

NCT00177437
View directory record Official record
Conditions
Chlamydia Trachomatis, Gonorrhea
Interventions
home testing kit
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
15 Years to 29 Years · Female only
Enrollment
403 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 12, 2007 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 4 Interventional

Washington State Community Expedited Partner Treatment (EPT) Trial

NCT01665690
View directory record Official record
Conditions
Gonorrhea, Neisseria Gonorrhoeae, Chlamydia Trachomatis
Interventions
Patient delivered partner therapy, Targeted public health partner services
Other · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
33,222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Olympia, Washington • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 16, 2012 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Antenatal Chlamydia Trachomatis and Neisseria Gonorrhoeae Testing to Prevent Adverse Neonatal Consequences

NCT04955717
View directory record Official record
Conditions
Chlamydia Trachomatis Infection, Neonatal Infection, Preterm Birth, Gonorrhea
Interventions
Chlamydia trachomatis and Neisseria gonorrhoeae screening using the GeneXpert
Other
Lead sponsor
University of Southern California
Other
Eligibility
15 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of EVO100 for Prevention of Urogenital Chlamydia Trachomatis and Neisseria Gonorrhoeae Infection

NCT04553068
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Water and Health Education Programs on Trachoma and Ocular C. Trachomatis in Niger

NCT00348478
View directory record Official record
Conditions
Trachoma
Interventions
water and health education program to improve hygiene
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
6 Months to 65 Months
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Sep 9, 2026, 8:30 AM 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 15, 2012 · Synced Sep 9, 2026, 8:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study of Three Alternatives for Mass Treatment in Trachoma Villages of Tanzania

NCT00347607
View directory record Official record
Conditions
Trachoma
Interventions
community surveillance and re-treatment
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Months to 7 Years
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Sep 9, 2026, 8:30 AM EDT