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ClinicalTrials.gov public records Last synced May 21, 2026, 11:59 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chlamydia Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Behavioral Economics, Primary Health Care, Health Maintenance, Diabetes, Colorectal Cancer Screening, Cervical Cancer Screening, Chlamydia Screening, HPV Screening
Interventions
Standard communication email, Social comparison Intervention, Leadership Training
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Brentwood, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
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 6, 2017 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 11:59 PM EDT
Not listed Phase 2 Interventional
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 29, 2007 · Synced May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 4 Interventional
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 May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 16, 2013 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chlamydia, Gonorrhea
Interventions
Home Screening, Clinic Screening
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 45 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced May 21, 2026, 11:59 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Methamphetamine-dependence, Rectal Gonorrhea, Rectal Chlamydia
Interventions
Contingency Management
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
Metronidazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
15 Years to 25 Years · Female only
Enrollment
1,370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
7
States / cities
Birmingham, Alabama • San Francisco, California • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced May 21, 2026, 11:59 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Chlamydial Infections
Interventions
Not listed
Lead sponsor
Sanofi
Industry
Eligibility
14 Years to 44 Years
Enrollment
533,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced May 21, 2026, 11:59 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 17, 2010 · Synced May 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 27, 2019 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Chlamydia Infections, Gonorrhea
Interventions
Nucleic acid amplification test
Device
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
16 Years and older
Enrollment
3,900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced May 21, 2026, 11:59 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 Aug 31, 2005 · Synced May 21, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced May 21, 2026, 11:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
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 May 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional
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 May 21, 2026, 11:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 5 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced May 21, 2026, 11:59 PM EDT