Investigating how severe neonatal jaundice affects the risk of intestinal disease in newborns

Severe neonatal hyperbilirubinemia (SNH) and the expression of UDP-glucuronosyltransferase 1A1 (UGT1A1) play key roles in the development of necrotizing enterocolitis (NEC)

NIH-funded research University of California, San Diego · NIH-11089377

This study is looking at how high bilirubin levels in newborns might be linked to a serious gut condition called necrotizing enterocolitis, and it’s exploring how human breast milk can help improve the situation by affecting a key enzyme that helps process bilirubin, all to find better ways to care for babies who are at risk.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego NIH-funded
Lab location1 site (La Jolla, United States)
Project IDNIH-11089377 on NIH RePORTER

What this research studies

This research focuses on understanding the relationship between severe neonatal hyperbilirubinemia (SNH) and necrotizing enterocolitis (NEC) in newborns. It examines how human breast milk influences the expression of a key enzyme, UDP-glucuronosyltransferase 1A1 (UGT1A1), which is crucial for processing bilirubin. Using a specialized mouse model that mimics human conditions, the study aims to uncover the mechanisms that lead to elevated bilirubin levels and their connection to NEC. The findings could help identify protective factors in breast milk and improve care for vulnerable newborns.

Who could benefit from this research

Good fit: Ideal candidates for this research are newborns under 4 weeks old who are experiencing severe neonatal hyperbilirubinemia.

Not a fit: Patients who are older than 4 weeks or do not have severe neonatal hyperbilirubinemia may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved prevention and treatment strategies for NEC in newborns, particularly those affected by jaundice.

How similar studies have performed: Previous research has shown promising results in understanding the role of UGT1A1 in bilirubin metabolism, suggesting that this approach could yield valuable insights.

Where this research is happening

La Jolla, 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.