Abstract

New therapeutic perspectives in irritable bowel syndrome: Targeting low-grade inflammation, immuno-neuroendocrine axis, motility, secretion and beyond

Sinagra E1, Morreale GC2, Mohammadian G3, Fusco G4, Guarnotta V5, Tomasello G6, Cappello F6, Rossi F1, Amvrosiadis G2, Raimondo D1. World J Gastroenterol. 2017 Sep 28;23(36):6593-6627. doi: 10.3748/wjg.v23.i36.6593.
 
     
Author information

1 Gastroenterology and Endoscopy Unit, Fondazione Istituto Giuseppe Giglio, Contrada Pietra Pollastra Pisciotto, 90015 Cefalù, Italy.

2 Unit of Gastroenterology, Ospedali Riuniti Villa Sofia-Vincenzo Cervello, 90100 Palermo, Italy.

3 Department of Medicine, Division of Gastroenterology and Hepatology, Karolinska Institutet, Karolinska University Hospital, Huddinge, 17176 Stockholm, Sweden.

4 Unit of Internal Medicine, Ospedali Riuniti Villa Sofia-Vincenzo Cervello, 90100 Palermo, Italy.

5 Section of Cardio-Respiratory and Endocrine-Metabolic Diseases, Biomedical Department of Internal and Specialist Medicine, University of Palermo, Palermo 90127, Italy.

6 Euro-Mediterranean Institute of Science and Technology, 90100 Palermo, Italy.

Abstract

Irritable bowel syndrome (IBS) is a chronic, recurring, and remitting functional disorder of the gastrointestinal tract characterized by abdominal pain, distention, and changes in bowel habits. Although there are several drugs for IBS, effective and approved treatments for one or more of the symptoms for various IBS subtypes are needed. Improved understanding of pathophysiological mechanisms such as the role of impaired bile acid metabolism, neurohormonal regulation, immune dysfunction, the epithelial barrier and the secretory properties of the gut has led to advancements in the treatment of IBS. With regards to therapies for restoring intestinal permeability, multiple studies with prebiotics and probiotics are ongoing, even if to date their efficacy has been limited. In parallel, much progress has been made in targeting low-grade inflammation, especially through the introduction of drugs such as mesalazine and rifaximin, even if a better knowledge of the mechanisms underlying the low-grade inflammation in IBS may allow the design of clinical trials that test the efficacy and safety of such drugs. This literature review aims to summarize the findings related to new and investigational therapeutic agents for IBS, most recently developed in preclinical as well as Phase 1 and Phase 2 clinical studies

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