Understanding rectal Chlamydia infections and their effect on immunity in women

traThe influence of rectal Chlamydia trachomatis infections on immunity and incident urogenital infections in women without an indication forrectal screening

NIH-funded research Indiana University Indianapolis · NIH-11124129

This project aims to learn how Chlamydia infections in the rectum affect a woman's immune system and protect against or lead to new infections in the genital area, especially for women who wouldn't typically be screened for rectal Chlamydia.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis NIH-funded
Lab location1 site (Indianapolis, United States)
Project IDNIH-11124129 on NIH RePORTER

What this research studies

We want to understand if Chlamydia infections in the rectum, which are often missed by standard screening, might actually help protect the genital area from future infections, or if they could increase the risk. We will follow women at high risk for Chlamydia who have not had anal sex, collecting samples over 12 months. This will help us see how often these infections occur, how long they last, and how the body's immune response changes. The information gathered could be vital for developing new ways to prevent Chlamydia.

Who could benefit from this research

Good fit: Ideal candidates are women at high risk for Chlamydia who have never engaged in anal sex.

Not a fit: Patients who are not at high risk for Chlamydia or who have already been diagnosed with a current Chlamydia infection may not directly benefit from participating in this specific observation.

Why it matters

Potential benefit: If successful, this work could lead to better screening guidelines and potentially inform the development of a Chlamydia vaccine that protects against both rectal and genital infections.

How similar studies have performed: Animal studies suggest that rectal Chlamydia infections might induce protective immunity, but this project is novel in directly exploring this effect in human women.

Where this research is happening

Indianapolis, 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.