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Acute hepatitis C virus (HCV) infection evolves to chronicity in 50-84% cases. Treatment with interferon-alpha (IFN-alpha) was repeatedly found to provide sustained cure rates higher than that in chronic HCV infection, but the optimal treatment strategy has not yet been defined. In a multicentre open-label study, we investigated the therapeutic performance of a short course of pegylated (peg) IFN-alpha in patients with acute HCV hepatitis. Peg IFN-alpha2b, 1.0-1.5 micro g/kg weekly, was administered for 12 weeks. Forty-six patients were enrolled; 26 of them were intravenous drug users. Eleven patients had jaundice. Treatment was started within 1-90 days from the peak alanine aminotransferase. Treatment was well tolerated with a single dropout (2%). Thirty-three of 46 patients (72%) had a sustained virological response (SVR) after a 6 months post-treatment follow-up, 8 (17%) relapsed after treatment and 4 were nonresponders (9%). A lower peak viraemia, receiving at least 1.2 micro g/kg of peg IFN-alpha, and a negative HCV-RNA at week 4 and week 12 were predictors of SVR. Thus, in patients with early (week 4) viral response, a short course of peg IFN-alpha at a weekly dose >1.2 micro g/kg, may be a valuable option for the treatment of acute HCV hepatitis.
Calleri et al. (Fri,) studied this question.
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