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Home › Conditions › Chlamydia

Chlamydia

2 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for Chlamydia

9 trials tracked for Chlamydia: 2 in phase 3 or 4 and 2 with published results. The most-cited published study has 428 citations.

9Trials tracked
2Phase 3 & 4
0Recruiting
2With published results
Phase distribution
Phase 4 1 Phase 3 1 Other / NA 7
  1. Phase 4 Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men Completed · 428 cited
  2. Phase 3 Evaluation of EVO100 for Prevention of Urogenital Chlamydia Trachomatis and Neisseria Gonorrhoeae Infection Completed · 2 cited
  3. N/A Pay-it-forward Gonorrhea and Chlamydia Testing Among Men in China Completed
  4. N/A Keep It Up! 2.0: A Comparison of Two Online HIV Intervention Programs for Young Men Who Have Sex With Men Completed
  5. N/A Adolescent Sexually Transmitted Infection Screening in the Emergency Department Completed
  6. N/A Computer-Assisted Self-Interviews and Health Screening in the Pediatric Emergency Department Completed
Show 3 more trials
  1. N/A Combination Primary Care and Prevention Services for Women Who Inject Drugs and Exchange Sex in Seattle, Washington Completed
  2. N/A Zenyth: Motivational Interviewing-based Telehealth Intervention for Bacterial Sexually Transmitted Infection Screening Completed
  3. N/A A Study to Learn About How Trumenba Vaccine Shots Work Against Gonorrhea Infection in Teenagers and Young Adults in the United States. Completed

Showing the 9 most-cited and recently-updated of 9 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Meta-analysis finds doxycycline prophylaxis reduces STI risk in MSM and transgender women
Infectious Disease Meta-analysis
Meta-analysis finds doxycycline prophylaxis reduces STI risk in MSM and transgender women A Common Pill Could Slash Your Risk of Common STIs
A systematic review and meta-analysis of 14 studies in men who have sex with men and transgender women found doxycycline prophylaxis reduced…
A major review of the latest science confirms that a simple antibiotic, taken strategically, offers powerful new protection against chlamydi…
Apr 12, 2026
CDC recommends doxycycline postexposure prophylaxis for high-risk populations to prevent syphilis, chlamydia, and gonorrhea
Infectious Disease
CDC recommends doxycycline postexposure prophylaxis for high-risk populations to prevent syphilis, chlamydia, and gonorrhea CDC now recommends a pill after sex to help prevent common STIs
The CDC has issued clinical guidelines recommending doxycycline postexposure prophylaxis (doxy PEP) for populations at high risk for syphili…
CDC now recommends a single antibiotic pill after sex to help prevent syphilis, chlamydia, and gonorrhea in high-risk groups.
CDC Apr 4, 2026