An oral vaccine to protect against Chlamydia infections

An oral vaccine against Chlamydia trachomatis

NIH-funded research University of Texas Hlth Science Center · NIH-11076759

This study is testing a new oral vaccine called intrOv that aims to protect people from Chlamydia, a common sexually transmitted infection, by using a safe version of a related bacteria to help your body build strong defenses against it.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Science Center NIH-funded
Lab location1 site (San Antonio, United States)
Project IDNIH-11076759 on NIH RePORTER

What this research studies

This research aims to develop an oral vaccine called intrOv to protect humans from Chlamydia trachomatis, a common sexually transmitted infection. The vaccine uses an attenuated strain of Chlamydia muridarum, which can safely colonize the gastrointestinal tract without causing disease. By inducing a strong immune response in the genital tract, this vaccine could provide long-lasting protection against multiple serovars of Chlamydia. The research will generate data necessary for clinical trials to evaluate the vaccine's effectiveness and safety.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals at risk of Chlamydia infections, particularly sexually active adults and adolescents.

Not a fit: Patients who are not sexually active or those who have already been vaccinated against Chlamydia may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a safe and effective oral vaccine that significantly reduces the incidence of Chlamydia infections.

How similar studies have performed: While there has been extensive research into vaccines for Chlamydia, this specific approach using an oral attenuated vaccine is novel and has not been widely tested.

Where this research is happening

San Antonio, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.