How killer T cells fight Chlamydia infection

Cytotoxic T Cell Mediated Immunity to Chlamydia

NIH-funded research Harvard Medical School · NIH-11415248

This project looks at how CD8 'killer' T cells respond to Chlamydia trachomatis so future vaccines or treatments can stop repeat infections and reproductive damage.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionHarvard Medical School NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11415248 on NIH RePORTER

What this research studies

From my point of view, the researchers are using lab tools and animal experiments to see why CD8 T cells protect at first but fail to form strong memory. They transfer Chlamydia-specific CD8 cells into mice and study how those cells act during infection and on re-exposure. The team is also testing vaccine formulations and approaches to overcome the block on long-term CD8 memory. What they learn could point to new vaccine designs that teach the immune system to remember and clear Chlamydia better.

Who could benefit from this research

Good fit: People who have had or are at high risk for genital Chlamydia trachomatis infection, especially those with repeat infections, would be most relevant to this work.

Not a fit: People with unrelated infections or those needing an immediate cure should not expect direct or immediate benefit from this basic and preclinical research.

Why it matters

Potential benefit: If successful, the work could lead to vaccines or immune-based therapies that prevent repeat Chlamydia infections and reduce long-term reproductive harm.

How similar studies have performed: Previous animal work shows transferred CD8 T cells can protect mice from Chlamydia, but reliably inducing lasting CD8 memory after natural infection remains unproven.

Where this research is happening

Boston, 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.