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  • Title: Liver histology of children with chronic hepatitis treated with interferon-alpha alone or in combination with lamivudine.
    Author: Kuloglu Z, Krsaçloglu CT, Kansu A, Erden E, Girgin N.
    Journal: J Pediatr Gastroenterol Nutr; 2007 Nov; 45(5):564-8. PubMed ID: 18030234.
    Abstract:
    AIM: To evaluate histological changes with interferon monotherapy or interferon plus lamivudine combination therapy in children with hepatitis B e antigen (HBeAg)-positive chronic hepatitis B. PATIENTS AND METHODS: 31 children aged 2-13 years were randomly treated with interferon (IFN) (group 1, n = 16) or IFN plus simultaneously started lamivudine (group 2, n = 15). IFN-alpha 2a was given 9 MU/m2 3 times per week for 6 months in each group; lamivudine was given 4 mg x kg(-1) x day(-1) for 24 months. Liver biopsy specimens were evaluated according to the Knodell score before therapy and after 24 months of therapy. Histological response was defined as a decrease in the histological activity index (HAI) score by at least 2 points. Efficacy of therapy was evaluated at 24 months of therapy in all children. RESULTS: Alanine aminotransferase normalization, HbeAg, and hepatitis B virus DNA clearance were not different. Complete response and histological response were 37.5%/62.5% and 40%/46.7% in groups 1 and 2, respectively (P = NS). At baseline and at 24 months of therapy, total HAI and components of HAI were not different in the 2 groups. In comparison with baseline, a significant decrease in scores of periportal +/- bridging necrosis was observed in group 1 (P = 0.01); periportal +/- bridging necrosis, intralobular degeneration, focal necrosis, and necroinflammation scores significantly decreased in group 2 (P = 0.04 and P = 0.02) at 24 months of therapy. CONCLUSIONS: The addition of lamivudine to IFN-alpha did not increase the effectiveness of the treatment in terms of complete and histological responses. Both therapies seemed to be effective in the regression of periportal +/- bridging necrosis. In addition, combination therapy was also effective in the regression of intralobular degeneration, focal necrosis, and necroinflammatory activity index.
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