How gut microbes, genes, and metabolism affect child growth and nutrition

Genomic and metabolomic foundations of human-microbial symbiosis in the gut

NIH-funded research Washington University · NIH-11261762

Testing a special complementary food that helps repair the gut microbiome to support healthier weight gain in undernourished young children.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11261762 on NIH RePORTER

What this research studies

This work tests a microbiota-directed complementary food (MDCF-2) designed to restore beneficial gut bacteria in undernourished children. Researchers ran randomized trials in Bangladesh comparing MDCF-2 to standard ready-to-use supplementary foods and tracked weight gain and growth measures. They also use genomic and metabolomic analyses plus animal experiments to identify the specific bacterial strains and metabolic pathways linked to improved growth. The goal is to link lab findings to real food interventions that help children recover from acute malnutrition.

Who could benefit from this research

Good fit: Young children with moderate or severe acute malnutrition (typically under age 5, similar to the Bangladeshi trial populations) are the intended candidates.

Not a fit: Children without malnutrition or whose growth problems are caused mainly by non-gut issues or severe unrelated medical conditions may not benefit from this approach.

Why it matters

Potential benefit: Could help undernourished children gain weight, reduce stunting, and improve long-term physical and immune development by restoring healthy gut microbes.

How similar studies have performed: Yes — randomized trials of the MDCF-2 formulation in Bangladeshi children have already shown improved microbiota repair and accelerated weight gain compared with a standard supplement.

Where this research is happening

Saint Louis, 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.
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.