Understanding how CD4 T cell dysfunction affects brain infections from toxoplasmosis

CD4 dysfunction and cerebral toxoplasmosis

['FUNDING_R01'] · GEORGE WASHINGTON UNIVERSITY · NIH-11088764

This study is looking at how certain immune cells, called CD4 T cells, can help prevent a serious brain infection from coming back in people with weakened immune systems, and it aims to find ways to make these cells work better to keep you safe from toxoplasmosis.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorGEORGE WASHINGTON UNIVERSITY (nih funded)
Locations1 site (WASHINGTON, UNITED STATES)
Trial IDNIH-11088764 on ClinicalTrials.gov

What this research studies

This research investigates the role of CD4 T cells in the reactivation of latent toxoplasmosis, particularly in immunocompromised individuals. It explores how the dysfunction of these cells can lead to severe brain infections known as toxoplasmic encephalitis. By using mouse models, the study aims to identify mechanisms that restore CD8 T cell functionality through the treatment of exhausted CD4 T cells. The ultimate goal is to develop strategies that can prevent the reactivation of this dangerous infection.

Who could benefit from this research

Good fit: Ideal candidates for this research are immunocompromised individuals, particularly those living with HIV/AIDS or other conditions that affect their immune system.

Not a fit: Patients who are not immunocompromised or do not have a history of latent toxoplasmosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that enhance immune responses in patients with latent toxoplasmosis, potentially preventing life-threatening brain infections.

How similar studies have performed: Previous research has shown promising results in restoring T cell functionality in similar contexts, indicating that this approach may be effective.

Where this research is happening

WASHINGTON, 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 →

Conditions: Acquired Immune Deficiency Syndrome, Acquired Immunodeficiency Syndrome, Cancers

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.