Tracking gut infections in children using blood antibody tests

Enteric Pathogen Force of Infection among Children using Serology

NIH-funded research University of California, San Francisco · NIH-11115781

This project uses blood antibody tests in children to find how often gut infections happen in low-resource communities.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Francisco NIH-funded
Lab location1 site (San Francisco, United States)
Project IDNIH-11115781 on NIH RePORTER

What this research studies

If I join, my child will have small blood samples taken at scheduled visits while the team follows babies from birth to see how antibody levels change over time. The lab will use multiplex bead assays to measure IgG antibodies for many gut pathogens from those blood samples. Researchers will compare these antibody patterns with other measures and with population surveys to map where and how often infections occur. The work is done in community settings to make surveillance easier without frequent stool collection.

Who could benefit from this research

Good fit: Ideal participants are newborns and young children living in the Ecuador study communities whose families agree to periodic blood collection and health follow-up.

Not a fit: People outside the study areas, adults, or children whose families do not want blood draws are unlikely to get direct benefits from this project.

Why it matters

Potential benefit: If successful, this could make it easier to track and map gut infections in children and help target public health actions where they are most needed.

How similar studies have performed: Earlier pilot work and antibody-based surveillance for diseases like dengue and malaria have shown promise, but applying multiplex antibody tests broadly to many enteric pathogens is relatively new.

Where this research is happening

San Francisco, 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.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virus
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.