Related Experiment Video
Updated: Dec 10, 2025

Author Spotlight: Establishing MASLD Cell Models for Investigating Disease Mechanisms and the Lipid-Lowering Effects of Koumiss
Published on: July 19, 2024
THE THERAPEUTIC IMPACT OF PROBIOTICS ON NONALCOHOLIC FATTY LIVER DISEASE IN PEDIATRICS: A SYSTEMATIC REVIEW
Felipe Galvão Batista Chaves1, Glauco Ferreira de Oliveira1, João Paulo Ribeiro1
1Centro Universitário Lusíada, Santos, SP, Brazil.
Insights
Probiotic therapy significantly reduced alanine aminotransferase (ALT) levels in children with non-alcoholic fatty liver disease (NAFLD). However, other health markers showed no significant improvement compared to placebo.
Area of Science:
- Hepatology
- Pediatric Gastroenterology
- Microbiome Research
Background:
- Non-alcoholic fatty liver disease (NAFLD) is increasingly prevalent in children.
- Current NAFLD management lacks specific pharmaceutical interventions.
- Probiotics are being explored for their potential role in managing pediatric NAFLD.
Purpose of the Study:
- To evaluate the efficacy of probiotic supplementation versus placebo in pediatric NAFLD patients.
- To assess changes in liver enzymes and metabolic parameters.
- To analyze ultrasonographic findings related to liver steatosis.
Main Methods:
- Systematic review of randomized controlled trials (RCTs) from MEDLINE and Lilacs databases.
- Included studies published until November 2018, with no language restrictions.
- Compared probiotic therapy against placebo in pediatric NAFLD patients, focusing on alanine aminotransferase (ALT) levels.
Main Results:
- Three RCTs involving 128 pediatric patients were analyzed.
- Probiotic use (Lactobacillus rhamnosus or Bifidobacterium+Lactobacillus) significantly decreased ALT levels compared to placebo.
- No statistically significant differences were observed in aspartate aminotransferase, BMI, triglycerides, or waist circumference.
Conclusions:
- Probiotic therapy demonstrates a beneficial effect on reducing ALT serum levels in pediatric NAFLD.
- The study aligns with existing literature suggesting a role for probiotics in managing pediatric NAFLD.
- No significant benefits or harms were detected for secondary outcomes, indicating a need for further research.
Objective:
Evaluate the effects of probiotics use, compared with placebo, in pediatric patients with non-alcoholic fatty liver disease (NAFLD), using laboratorial and ultrasonographic parameters as outcomes.
Methods:
A systematic review of the literature was performed through MEDLINE and Lilacs databases. The articles selected were randomized controlled clinical trials published until November 2018, without any language restriction, dealing with pediatric patients with NAFLD. Patients were divided into 2 groups. One group received probiotic therapy and the other group, only received placebo. The primary outcome evaluated was the difference between the serum levels of alanine aminotransferase (ALT) before and after receiving probiotics or placebo. The secondary outcomes evaluated were the serum aspartate aminotransferase levels, body mass index, serum triglycerides, waist circumference and level of liver steatosis on the ultrasonography.
Results:
A total of 46 articles were recovered, and 3 articles were included in the qualitative analysis, totaling 128 patients. Two trials revealed a significant decrease of alanine aminotransferase levels after treatment with probiotics (Lactobacillus rhamnosus for 8 weeks; Bifidobacterium+Lactobacillus for 12 weeks), when compared to the placebo. The other variables did not show a statistically significant difference between both groups.
Conclusions:
Probiotic therapy has contributed to the reduction of ALT serum levels in pediatric patients with nonalcoholic fatty liver disease, which is in line with results found by other authors in scientific literature. Regarding the secondary outcomes, the use of probiotics did not show benefits or damages compared to placebo.
Related Concept Videos
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Pharmacokinetics in Pediatric Patients: Drug Metabolism
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Pharmacokinetics in Pediatric Patients: Drug Distribution
Pharmacokinetics in Pediatric Patients: Drug Excretion

