NIH-funded research R01 grant

Antibody-boosted immune responses in Chagas disease

Official title: Antibody-secreting Cells in the Outcome of Trypanosoma cruzi Infection

Funded at National Research Council of Argentina · NIH-11326701 · Data updated 2026-11-12

A study in people with Chagas disease examines how antibody-producing B cells influence infection and disease outcome.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNational Research Council of Argentina
NIH-funded
Lab location1 site (Cordoba, Argentina)
Project startMay 1, 2015
Project endApril 30, 2027
Funding year2026
Award (this year)$133,680
NIH project number5R01AI116432-10
Project IDNIH-11326701 on NIH RePORTER

Who could benefit from this research

Could help

Individuals with Chagas disease or at risk of infection, and those providing blood/tissue samples for immunological studies.

Less likely to help

Patients without access to the study's clinical samples or those not contributing to immune analyses may see no direct benefit.

What this research studies

This grant investigates how antibody-secreting cells shape the body's response to Trypanosoma cruzi, the parasite that causes Chagas disease. By looking at how B cells and antibodies respond during early infection, scientists hope to identify mechanisms that lead to either control of the parasite or tissue damage. The work involves studying immune signals, B cell activation, and related factors in an animal model and human samples to connect immune responses with disease progression. The findings could guide the development of new therapies that support protective antibody responses.

Why it matters

Potential benefit: If successful, the research could inform new antibody-based therapies or vaccines to reduce illness from Chagas disease.

How similar studies have gone: Previous studies have shown that specific antibody responses correlate with disease outcomes in Chagas disease, but this work explores the precise role of antibody-secreting cells in pathogenesis.

Where this research is happening

  • National Research Council of Argentina
    Cordoba, Argentina
    Active

Researchers

  • Principal investigator: Gruppi, Adriana — National Research Council of Argentina
  • Study coordinator: Gruppi, Adriana

Related research

Other NIH-funded projects on the same topics.

  • How the immune system protects tissues during Chagas disease

    This work explores how key immune cells fight the Trypanosoma cruzi parasite and help keep organs healthy in people with Chagas disease.

    NIH research National Research Council of Argentina · Cordoba, Argentina · NIH-11319791

  • Blocking signals that help the Chagas parasite survive in the heart

    This project looks at whether stopping the signals that turn injury-related ATP into immune-suppressing adenosine could help people with Chagas-related heart disease.

    NIH research National Research Council of Argentina · Cordoba, Argentina · NIH-11317233

  • Understanding immune responses in Chagas disease

    This study looks at how the immune system fights Chagas disease and focuses on a type of immune cell called CD8+ T cells, hoping to find ways to improve treatments for patients by understanding how these cells work and what challenges they face.

    NIH research National Research Council of Argentina · Cordoba, Argentina · NIH-11075320

  • Investigating how purinergic signaling affects Chagas disease

    This study is looking at how the immune system and inflammation affect Chagas disease, especially how certain molecules might influence heart problems in patients, with the goal of finding new ways to help improve treatment for those dealing with this condition.

    NIH research National Research Council of Argentina · Cordoba, Argentina · NIH-11073080

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.