Chlamydia Clinical Trials

10 recruiting

Chlamydia Trials at a Glance

15 actively recruiting trials for chlamydia are listed on ClinicalTrialsFinder across 6 cities in 10 countries. The largest study group is Not Applicable with 5 trials, with the heaviest enrollment activity in Bruce, Chicago, and Honolulu. Lead sponsors running chlamydia studies include Sanofi, Institut Pasteur du Cambodge, and Chinese University of Hong Kong.

Browse chlamydia trials by phase

Treatments under study

About Chlamydia Clinical Trials

Looking for clinical trials for Chlamydia? There are currently 10 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Chlamydia trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Chlamydia clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 115 of 15 trials

Recruiting
Phase 1Phase 2

Phase 1/2 Study of Chlamydia Trachomatis mRNA Vaccine in Adults Aged 18 to 29 Years

Chlamydia Trachomatis Immunization
Sanofi1,560 enrolled7 locationsNCT06891417
Recruiting
Not Applicable

Doxi-Rio: Study on the Use of Doxycycline to Prevent Sexually Transmitted Infections in Rio de Janeiro

HIV InfectionsSyphilisSexually Transmitted Diseases+2 more
Oswaldo Cruz Foundation200 enrolled1 locationNCT07500415
Recruiting
Phase 4

The Efficacy of Doxycycline Post Exposure Prophylaxis for Preventing STIs Among MSM in Bangkok, Thailand.

ChlamydiaGonorrheaSyphilis Infection
Bangrak STIs Center400 enrolled1 locationNCT07397403
Recruiting

Validation of Chlamydia Diagnostic Codes in TriNetX US EHR Data

Chlamydial Infections
Sanofi533,000 enrolled1 locationNCT07094373
Recruiting

Risk Assessment of Community Spread of Multiple Endemic Infectious Diseases in a One Health Perspective

Streptococcus PneumoniaeMalariaMeningitis+55 more
Institut Pasteur du Cambodge10,000 enrolled1 locationNCT07358910
Recruiting
Phase 4

Periodic Presumptive Treatment vs. doxyPEP for STI Control in Kenyan MSM

Gonorrhea MaleChlamydia (Male)Syphilis Male
University of Washington2,900 enrolled3 locationsNCT06468462
Recruiting
Not Applicable

The Integrated Female Sexually Transmitted Infection Testing for HIV Epidemic Control Through PrEP (IN-STEP) Study

HIVPrEP UptakeGonorrhea Female+3 more
Johns Hopkins University5,560 enrolled1 locationNCT06743204
Recruiting
Not Applicable

Time to Clearance of Chlamydia Trachomatis and Neisseria Gonorrhoeae RNA After Treatment: a Prospective Cohort Study

Neisseria GonorrhoeaeUncomplicated InfectionsChlamydia Trachomatis
University Hospital, Strasbourg, France140 enrolled1 locationNCT06216964
Recruiting
Not Applicable

Assessing Acceptability and Feasibiity of STI Self-swab Testing, to be Offered at the Time of Telemed Medication Abortion Provision

ChlamydiaGonorrheaSexually Transmitted Disease (STD)+1 more
Queen's Medical Center75 enrolled1 locationNCT06951438
Recruiting
Phase 4

Superiority of On-demand PrEP Versus PEP on Using Doxycycline for Preventing STI in MSM

ChlamydiaSyphilisGonorrhea+1 more
Chinese University of Hong Kong300 enrolled1 locationNCT06188442
Recruiting

Anorectal Chlamydia Trachomatis infection in asymptomatic women

Chlamydia Trachomatis
James Cook University290 enrolled2 locationsACTRN12624000471583
Recruiting
Not Applicable

Effectiveness of Relationship Education for Reducing HIV Incidence Among SGM

HIVChlamydiaGonorrhea
Northwestern University5,000 enrolled1 locationNCT05678556
Recruiting

Vienna HIV Infection Via Sex Study

HIV InfectionsChlamydiaSyphilis+3 more
Medical University of Vienna500 enrolled1 locationNCT05326061
Recruiting

Test, Treat ANd GO': a trial of point-of-care testing for sexually transmitted infections (STIs) in remote Aboriginal communities.

ChlamydiaGonorrhoea
THE UNIVERSITY OF NEW SOUTH WALES, as represented by The Kirby Institute1,800 enrolled1 locationACTRN12613000808741
Recruiting

Chlamydia Prevalence and Testing Project - a randomised controlled trial

Genital chlamydia infection
University of Melbourne12 enrolled1 locationACTRN12608000499381