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  • Title: Differences in the efficacy of ursodeoxycholic acid and bile acid metabolism between viral liver diseases and primary biliary cirrhosis.
    Author: Nakashima T, Yoh T, Sumida Y, Kakisaka Y, Mitsuyoshi H.
    Journal: J Gastroenterol Hepatol; 2001 May; 16(5):541-7. PubMed ID: 11350551.
    Abstract:
    AIM AND METHODS: The effects of ursodeoxycholic acid (UDCA, 600 mg/day) on liver function test values, and serum and urinary bile acids levels in hepatitis C virus-related chronic hepatitis (CH, n = 39) and liver cirrhosis (LC, n = 25), and in primary biliary cirrhosis (PBC, n = 25) were compared. RESULTS: The percentages of improvement in alanine transaminase (ALT) and gamma-glutamyl transpeptidase (gamma-GTP) in CH were almost the same in LC. The rates of improvement in ALT in PBC were negatively correlated with histological stages in the liver. Total serum bile acid levels in LC rose to the same extent as in CH, but the increases in PBC were significantly smaller at stages 3-4 than stages 1-2. The urinary levels of hydroxylated metabolites of UDCA only slightly increased in LC, but they increased significantly at PBC stages 3-4. CONCLUSIONS: The efficacy of UDCA was preserved in LC, but diminished at PBC stages 3-4. The poor enrichment of UDCA in the bile acid pool and extensive biotransformation of UDCA may cause the limited efficacy of UDCA in the cirrhotic stage of PBC.
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