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Aliment Pharmacol Ther. 2017 Nov;46(9):845-855. doi: 10.1111/apt.14275. Epub 2017 Aug 24.

Rifaximin treatment is associated with reduced risk of cirrhotic complications and prolonged overall survival in patients experiencing hepatic encephalopathy.

Author information

1
Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea.
2
Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
3
Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea.

Abstract

BACKGROUND:

Rifaximin might decrease the risk of portal hypertension-related complications by controlling small intestinal bacterial overgrowth.

AIM:

To evaluate whether rifaximin was associated with the risk of death and cirrhotic complications.

METHODS:

We conducted a retrospective study that included 1042 patients experiencing hepatic encephalopathy (HE): 421 patients without hepatocellular carcinoma (HCC; the non-HCC cohort) and 621 patients with HCC (the HCC cohort). The primary endpoint was overall survival and secondary endpoints were recurrence of HE and the development of spontaneous bacterial peritonitis (SBP), hepatorenal syndrome (HRS) and variceal bleeding.

RESULTS:

In the non-HCC cohort, 145 patients received rifaximin plus lactulose (the rifaximin group) and 276 patients received lactulose alone (the control group). The multivariate analysis revealed that rifaximin was significantly associated with lower risk of death (adjusted hazard ratio [aHR], 0.697; P = .024) and reduced the risk of recurrent HE (aHR, 0.452; P < .001), SBP (aHR, 0.210; P < .001) and variceal bleeding (aHR, 0.425; P = .011) but not HRS (aHR, 0.598; P = .08). In the HCC cohort, 173 patients received rifaximin plus lactulose and 448 patients received lactulose. Rifaximin was not associated with the risk of death (aHR, 1.177; P = .121). Rifaximin was associated with lower risk of SBP (aHR, 0.323; P < .001) but not with variceal bleeding (aHR, 0.660; P = .104) or recurrent HE (aHR, 0.689; P = .057). The risk of Clostridium difficile-associated diarrhoea was not different between the groups (aHR, 0.028; P = .338).

CONCLUSIONS:

In patients without HCC, rifaximin treatment was significantly associated with prolonged overall survival and reduced risks of spontaneous bacterial peritonitis, variceal bleeding and recurrent hepatic encephalopathy.

PMID:
28836723
DOI:
10.1111/apt.14275
[Indexed for MEDLINE]
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