Abstract
We have assessed the predictive value of the grade of pretreatment liver lesions on histologic response to interferon therapy in patients with chronic hepatitis C. In 93 patients with chronic hepatitis C virus (HCV) infection who showed an initial response to interferon therapy, HCV RNA load and serum aminotransferase levels together with grade of liver histologic lesions were assessed at baseline and 6 months after treatment cessation. Regression of portal and periportal necroinflammation was observed only in sustained responders (normalization of aminotransferase levels and HCV RNA clearance). Neither short-term response nor the absence of virus was associated with significant histologic changes in the liver biopsies. Logistic regression analysis showed that pretreatment histologic lesion was an independent predictive factor of biologic response in the histologic regression of lesions 6 months after cessation of interferon treatment. In conclusion, a dense inflammatory necrotic activity is a positive predictor of histologic response in interferon-treated patients with HCV.
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