Effect of rifaximin on gut microbiota composition in advanced liver disease and its complications

Francesca Romana Ponziani, Maria Assunta Zocco, Maurizio Pompili, Antonio Gasbarrini, Viviana Gerardi, Silvia Pecere, Francesca D'Aversa, Loris Riccardo Lopetuso

Risultato della ricerca: Contributo in rivistaArticolo in rivista

38 Citazioni (Scopus)

Abstract

Liver cirrhosis is a paradigm of intestinal dysbiosis. The qualitative and quantitative derangement of intestinal microbial community reported in cirrhotic patients seems to be strictly related with the impairment of liver function. A kind of gut microbial "fingerprint", characterized by the reduced ratio of "good" to "potentially pathogenic" bacteria has recently been outlined, and is associated with the increase in Model for End-Stage Liver Disease and Child Pugh scores. Moreover, in patients presenting with cirrhosis complications such as spontaneous bacterial peritonitis (SBP), hepatic encephalopathy (HE), and, portal hypertension intestinal microbiota modifications or the isolation of bacteria deriving from the gut are commonly reported. Rifaximin is a non-absorbable antibiotic used in the management of several gastrointestinal diseases. Beyond bactericidal/bacteriostatic, immune-modulating and anti-inflammatory activity, a little is known about its interaction with gut microbial environment. Rifaximin has been demonstrated to exert beneficial effects on cognitive function in patients with HE, and also to prevent the development of SBP, to reduce endotoxemia and to improve hemodynamics in cirrhotics. These results are linked to a shift in gut microbes functionality, triggering the production of favorable metabolites. The low incidence of drug-related adverse events due to the small amount of circulating drug makes rifaximin a relatively safe antibiotic for the modulation of gut microbiota in advanced liver disease.
Lingua originaleEnglish
pagine (da-a)12322-12333
Numero di pagine12
RivistaWorld Journal of Gastroenterology
Volume21
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • Ascites
  • Endotoxemia
  • Gut microbiota
  • Hepatic encephalopathy
  • Liver cirrhosis
  • Rifaximin
  • Spontaneous bacterial peritonitis
  • Thrombocytopenia

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