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Effects of Proteins in Patients With Cirrhosis and Prior Hepatic Encephalopathy

Hepatic Encephalopathy Clinical Trial

Official title:
Effect of the Proteins of the Diet in Patients With Cirrhosis and a Prior Episode of Hepatic Encephalopathy. A Randomized Study

Clinical Trial Summary

The purpose of this study is to compare a normal-protein diet containing branched-chain amino acids to a low-protein diet in patients with non-terminal cirrhosis (MELD < 25) who have developed an episode of hepatic encephalopathy within two months prior to inclusion.

Clinical Trial Description

Hepatic encephalopathy is a major complication of cirrhosis associated with poor prognosis and poor quality of life. Appearance of HE occurs in the setting of precipitating factors that increase plasma ammonia. The gastrointestinal tract is the primary source of ammonia, which is produced by enterocytes from glutamine and by colonic bacterial catabolism of nitrogenous sources, such as ingested proteins. This is the rationale for proposing low-protein diet as strategy to reduce ammonia production and as standard diet in patients with cirrhosis and hepatic encephalopathy. However, low-protein diet could cause wasting muscle and predispose to recurrence of hepatic encephalopathy, since muscle is an important site for extrahepatic ammonia removal.

Branched-chain amino acids have shown beneficial effects on mental state of patients with chronic hepatic encephalopathy. The possible mechanism of action may be improvement of nutritional status through induction of protein synthesis. However, role of branched-chain amino acids in treatment and prevention of acute hepatic encephalopathy is not established.

Administration of a normal-protein diet containing oral branched-chain amino acids may reduce recurrence of hepatic encephalopathy as compared to a low-protein diet. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00955500
Study type Interventional
Source Hospital Universitari Vall d'Hebron Research Institute
Contact
Status Completed
Phase Phase 4
Start date January 2003
Completion date January 2009
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