Understanding how Borrelia recurrentis changes to evade the immune system

Characterization of vsp/vlp system of Borrelia recurrentis

['FUNDING_R21'] · MICHIGAN STATE UNIVERSITY · NIH-10868004

This study is looking at a disease called louse-borne relapsing fever, which is caused by a germ that can make people very sick, especially in some African countries; researchers want to learn how this germ changes to avoid the body's defenses so they can find better ways to treat it.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorMICHIGAN STATE UNIVERSITY (nih funded)
Locations1 site (EAST LANSING, UNITED STATES)
Trial IDNIH-10868004 on ClinicalTrials.gov

What this research studies

This research focuses on louse-borne relapsing fever (LBRF), a disease caused by Borrelia recurrentis, which significantly impacts health in several African countries. The project aims to characterize the vsp/vlp antigenic variation system of this bacterium, which allows it to evade the immune response, leading to severe illness and high mortality rates. By developing an immunocompetent mouse model, researchers will study how different strains of Borrelia recurrentis behave and how they can be effectively targeted with treatments. The findings could lead to improved understanding and management of LBRF.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals in African regions where louse-borne relapsing fever is prevalent.

Not a fit: Patients who do not reside in areas affected by louse-borne relapsing fever or those with different types of infections may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better treatments and management strategies for louse-borne relapsing fever, potentially reducing mortality rates.

How similar studies have performed: While the specific vsp/vlp system of Borrelia recurrentis is less characterized, similar approaches in studying antigenic variation in other Borrelia species have shown promise.

Where this research is happening

EAST LANSING, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.