Related Experiment Video
Updated: Jun 3, 2026

Probiotic Studies in Neonatal Mice Using Gavage
Published on: January 27, 2019
Probiotics and neonatal necrotizing enterocolitis
1Department of Pediatrics, Section of Neonatology, The University of Chicago, IL 60637, USA. eclaud@peds.bsd.uchicago.edu
Insights
Probiotics may benefit preterm infants with necrotizing enterocolitis (NEC), but their effects on the developing gut microbiome and safety require further investigation. Understanding microbial colonization is key to NEC prevention in vulnerable infants.
Area of Science:
- Neonatology
- Microbiology
- Gastroenterology
Background:
- Necrotizing enterocolitis (NEC) is a significant concern in preterm infants.
- Probiotics show potential benefits for NEC, but safety and efficacy are debated.
- The developing gut microbiome plays a critical role in infant health.
Purpose of the Study:
- To examine the impact of probiotics on the preterm infant gut microbiome.
- To investigate the safety of probiotics in clinical trials for NEC.
- To understand microbial colonization patterns in the neonatal intensive care unit (NICU) environment.
Main Methods:
- Review of existing clinical trials on probiotics for NEC.
- Analysis of studies on gut microbial colonization in preterm infants.
- Assessment of factors influencing the preterm gut microbiome, including NICU interventions.
Main Results:
- Probiotics demonstrate potential clinical benefits in reducing NEC incidence.
- Concerns regarding probiotic safety and long-term effects persist.
- The preterm gut microbiome is highly susceptible to environmental and iatrogenic influences.
Conclusions:
- Further research is needed to clarify probiotic efficacy and safety in preterm neonates.
- Understanding the complex interplay between the microbiome and NEC is crucial.
- Optimizing microbial colonization may be a strategy for NEC prevention.
Abstract:
Neonatal necrotizing enterocolitis (NEC) is one of few diseases for which probiotics have appeared to have clear benefit in clinical trials, however safety concerns persist. Clinical trials of probiotics have preceded our understanding of the effect of probiotics on the developing gut and microbial colonization patterns of the preterm infant. Colonization of the preterm intestine begins with the birthing process and is then influenced by the neonatal intensive care unit and iatrogenic manipulations. Resulting altered microbiota may have significant implications for the immature preterm gut and susceptibility to NEC.
More Related Videos
Related Concept Videos
Microbiota Modulation by Antibiotics
Development of Human Microbiota
Probiotics
Development of the Oral Microbiota
Bacterial Gastroenteritis
Introduction to the Human Microbiota

