NIH-funded research R21 grant

Understanding how brain immune cells respond to a common parasite in AIDS patients

Official title: Microglial immunity in Toxoplasmic encephalitis

Funded at University of California-Irvine · NIH-11190680 · Data updated 2026-11-12

This study is looking at how special immune cells in the brain help protect people with HIV/AIDS from a parasite called Toxoplasma gondii, with the goal of finding better ways to treat brain infections in these patients.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California-Irvine
NIH-funded
Lab location1 site (Irvine, United States)
Project startMay 1, 2025
Project endApril 30, 2027
Funding year2025
Award (this year)$227,018
NIH project number1R21AI189465-01A1
Project IDNIH-11190680 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals living with HIV/AIDS who are at risk for Toxoplasmic encephalitis.

Less likely to help

Patients who do not have HIV/AIDS or are not at risk for Toxoplasmic encephalitis may not benefit from this research.

What this research studies

This research investigates the role of microglia, the brain's resident immune cells, in defending against Toxoplasma gondii infection, particularly in individuals with HIV/AIDS. The study aims to understand how these cells respond to the parasite and contribute to the immune response during the progression of AIDS. By analyzing the behavior of microglia during infection, researchers hope to uncover new insights into the mechanisms of brain inflammation and immune defense. This could lead to better strategies for managing Toxoplasmic encephalitis in affected patients.

Why it matters

Potential benefit: If successful, this research could improve treatment options and outcomes for patients with AIDS-related Toxoplasmic encephalitis.

How similar studies have gone: Previous research has shown that understanding immune responses in the brain can lead to significant advancements in treating opportunistic infections in immunocompromised patients.

Where this research is happening

  • University of California-Irvine
    Irvine, United States
    Active

Researchers

  • Principal investigator: Lodoen, Melissa Bruckner — University of California-Irvine
  • Study coordinator: Lodoen, Melissa Bruckner

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.
Last reviewed 2026-11-14 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.