Long-term follow-up after successful interferon therapy of acute hepatitis C

Hepatology : Official Journal of the American Association for the Study of Liver Diseases
Johannes WiegandH Wedemeyer

Abstract

Early treatment of acute hepatitis C infection with interferon alfa-2b (IFN-alpha-2b) prevents chronicity in almost all patients. So far, no data are available on the long-term outcome after interferon (IFN) therapy of acute hepatitis C. The aim of this study was to assess the clinical, virological, and immunological long-term outcome of 31 successfully treated patients with acute hepatitis C infection who were followed for a median of 135 weeks (52-224 weeks) after end of therapy. None of the individuals had clinical evidence of liver disease. Alanine aminotransferase (ALT) levels were normal in all but 1 patient. Serum hepatitis C virus (HCV) RNA was negative throughout follow-up, even when investigated with the highly sensitive transcription-mediated amplification (TMA) assay (cutoff 5-10 IU/mL). In addition, no HCV RNA was detected in peripheral blood mononuclear cells (PBMC) of 15 cases tested. The patients' overall quality-of-life scores as determined by the SF-36 questionnaire did not differ from the German reference control cohort. Ex vivo interferon gamma (IFN-gamma) ELISPOT analysis detected HCV-specific CD4(+) T-helper cell reactivity in only 35% of cases, whereas HCV-specific CD8(+) T-cell responses were found in 4 ...Continue Reading

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