Understanding Gut Bacteria in Premature Babies

Population Genomic Analysis of Gut Microbial Colonization in Premature Infants

NIH-funded research University of California Berkeley · NIH-11118883

This project looks at how antibiotics given to premature babies right after birth affect the helpful bacteria in their gut.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California Berkeley NIH-funded
Lab location1 site (Berkeley, United States)
Project IDNIH-11118883 on NIH RePORTER

What this research studies

For many years, premature babies have received broad-spectrum antibiotics shortly after birth to prevent early infections, even though most do not have sepsis. This project is linked to a larger clinical trial called NANO, which is comparing giving these antibiotics to a placebo (a treatment with no active medicine) in premature infants. Researchers will collect stool samples from babies and their mothers to see how different factors, like delivery method and maternal milk, influence the baby's gut bacteria. The goal is to understand if avoiding immediate antibiotics in stable premature infants leads to better health outcomes by supporting a healthier microbiome.

Who could benefit from this research

Good fit: This project is part of a larger clinical trial involving premature infants who are clinically stable shortly after birth.

Not a fit: Patients who are not premature infants or who do not meet the specific criteria for the NANO trial would not directly benefit from participation in this particular research.

Why it matters

Potential benefit: If successful, this work could lead to changes in how antibiotics are used in premature infants, potentially improving their long-term health by protecting their developing gut microbiome.

How similar studies have performed: While the NANO trial challenges a long-standing practice, a large body of literature already suggests that early antibiotic exposure can disrupt the developing microbiome, indicating a basis for this novel approach.

Where this research is happening

Berkeley, 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.