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The effectiveness of interferon therapy on occurrence of hepatocellular carcinoma in chronic hepatitis C
N Horiike1, T Fujisawa, K Michitaka
1The Third Department of Internal Medicine, Ehime University School of Medicine, Ehime, 791-0295, Japan.
Abstract:
To clarify the effect of interferon (IFN) therapy for chronic hepatitis C (CHC) on the occurrence of hepatocellular carcinoma (HCC), 149 patients who were observed over a period of five years (mean: 7.6 years) were studied. The C-1 group, 33 patients with complete response to IFN; the C-2 group, 55 patients with no response to IFN; and the C-3 group, 61 patients who did not receive IFN. The occurrence rate of HCC was 0.9%/year/person. In the C-1, C-2 and C-3 groups, the rates were 0%, 0.3%, and 1.6%, respectively. The rate in C-1 + C-2 groups was significantly lower than that of the C-3 group (P<0.05). These data suggest IFN may suppress the occurrence of HCC in CHC.