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Related Experiment Video

Updated: Jun 4, 2025

Analyzing Beneficial Effects of Nutritional Supplements on Intestinal Epithelial Barrier Functions During Experimental Colitis
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Nutritional Management in Stricturing Crohn's Disease: A Pilot Study.

Elisabetta Cavalcanti1, Antonella Marra1, Alessia Mileti1

  • 1IBD Unit, National Institute of Gastroenterology-IRCCS, 70013 Castellana Grotte, Italy.

Nutrients
|December 17, 2024
PubMed
Summary

Dietary supplementation with essential amino acids (EAA) and sodium butyrate (NaB) improved muscle mass and skeletal muscle index (SMI) in Crohn's disease (CD) patients with strictures, reducing surgery rates.

Keywords:
BIAEAASMI indexbody compositionnutritionsodium butyratestricturing Crohn’s disease

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Area of Science:

  • Gastroenterology and Hepatology
  • Nutritional Science
  • Clinical Research

Background:

  • Crohn's disease (CD) frequently leads to intestinal fibrosis and obstruction, with limited changes in stricture formation incidence over decades.
  • Diet is a potential, underestimated factor influencing CD fibrosis through immune and microbial modulation.
  • Sarcopenia, common in CD, correlates with disease severity and complications, with skeletal muscle index (SMI) as a key predictive parameter.

Purpose of the Study:

  • To evaluate the efficacy of a 12-month dietary intervention using essential amino acid (EAA) and sodium butyrate (NaB) supplementation.
  • To assess the impact of this nutritional approach on stricturing Crohn's disease patients.

Main Methods:

  • A randomized, controlled pilot study design was employed.
  • Participants received a 12-month dietary intervention including EAA and NaB supplementation.
  • Muscle mass and SMI were measured to assess changes in body composition.

Main Results:

  • The EAA/NaB group showed statistically significant improvements in muscle mass (p=0.01) and SMI (p=0.02) compared to the control group.
  • Surgery was required in only 10% of the EAA/NaB group versus 40% in the control group after one year.
  • Skeletal muscle mass is crucial for predicting disease course in CD patients.

Conclusions:

  • This nutritional approach, involving EAA and NaB supplementation, shows promise in managing stricturing CD.
  • The findings suggest this intervention could improve disease outcomes and quality of life for patients with stricturing CD.
  • Further prospective studies are necessary to validate these preliminary results.