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[Interferon therapy in hepatitis C]
1Klinischen Abteilung für Gastroenterologie und Hepatologie, Universitätsklinik für Innere Medizin IV, Wien.
Abstract:
Chronic hepatitis C is one of the major causes of liver cirrhosis and seems to play a role in the pathogenesis of primary liver cancer. So far, no effective therapy--with the exception of some antiviral agents--was available for this disease. Interferon-alpha (IFN-alpha) therapy results in about half of patients in a normalisation of liver transaminases within 4 weeks. Placebo-controlled studies confirm that in about 40% of patients IFN therapy achieves complete remissions. Frequently termination of IFN therapy is followed by a relapse. Therefore higher IFN doses and longer and/or repeated therapy cycles are currently investigated in order to improve treatment results. Furthermore, IFN-alpha is combined with other therapeutic principles. The possible usefulness of IFN-alpha for treatment of acute hepatitis C is under investigation.