How early life experiences shape a child's gut bacteria

Impact of early-life perturbations on pediatric microbiome maturation

NIH-funded research Washington University · NIH-11094077

This research explores how diet and antibiotics in a child's first few years affect the helpful bacteria in their gut, which is important for their healthy development.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11094077 on NIH RePORTER

What this research studies

During the first three years of life, a baby's gut bacteria rapidly changes and grows, influenced by what they eat and their environment. We know that each child's gut bacteria responds differently to outside factors, making it hard to predict individual health risks. This project aims to understand how specific types of bacteria and their unique functions in the gut are shaped by early life events, like diet and antibiotic use. We are looking closely at how these early experiences lead to lasting changes in the gut bacteria and its overall function.

Who could benefit from this research

Good fit: This research focuses on understanding the gut microbiome development in infants and young children, particularly those exposed to different diets and antibiotics early in life, including preterm neonates.

Not a fit: Patients outside the pediatric age range or those without a focus on early-life gut microbiome development would not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could help us understand how to better support healthy gut development in children, potentially preventing future health issues related to the microbiome.

How similar studies have performed: While the general concept of the gut microbiome is well-studied, this project delves into the specific strain-level functional maturation and horizontal gene transfer, representing a more detailed and potentially novel approach building on existing data.

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.