<qa>  What is often observed in patients with advanced liver cirrhosis?Protein-calorie malnutrition is frequently observed in patients with advanced liver cirrhosis. There have been continued interests in potential benefits of long-term oral branched-chain amino acid supplement in improving severity of liver disease. However, there are limited evidences in literature. The aim of this study is to evaluate the efficacy of oral branched-chain amino acid in patients with advanced liver cirrhosis. 