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  • Title: [Treatment of recurrent HCV infection after liver transplantation].
    Author: Ostojić R.
    Journal: Acta Med Croatica; 2005; 59(5):443-6. PubMed ID: 16381241.
    Abstract:
    End-stage liver disease associated with hepatitis C virus (HCV) infection is the most common indication for orthotopic liver transplantation (OLT) and accounts for 50% of these procedures in Spain and 42% of OLT performed in the United States. Recurrent infection with HCV after OLT, however, is almost universal and is associated with substantial morbidity, mortality, and graft loss. In contrast to immunocompetent individuals, HCV infection in immunosuppressed transplant recipients usually has an accelerated course. Acute hepatitis develops in approximately 75% of HCV recipients in the first six months following OLT. By the fifth postoperative year, over 80% of HCV-infected liver transplant recipients will develop histologic evidence of chronic allograft injury secondary to hepatitis C, with up to 30% developing cirrhosis. While the choice of calcineurin inhibitor has not been clearly shown to affect the histologic recurrence of hepatitis C or the frequency of rejection in HCV-infected recipients, cumulative exposure to corticosteroids is associated with increased mortality, higher levels of HCV viremia and more severe histologic recurrence. There have been no well-controlled, large, prospective, multicenter and randomized clinical trials to determine the optimal approach to the treatment of recurrent HCV infection following OLT. Most published studies were small, lacked controls, had short follow-up periods, and were devoid of histologic analysis. Furthermore, most of the published studies are largely incomparable due to differences in the definition of recurrent hepatitis C, timing of anti-HCV therapy administration relative to transplantation, the drugs and doses used and regimens employed, and the study end points assessed (i. e. biochemical, virologic and histologic end points have not all been consistently investigated). In lieu of large studies in post-transplant patients, monotherapy with conventional interferon or monotherapy with pegylated interferon should be considered in recipients with histologically confirmed recurrence of HCV infection. The role of hepatitis C immunoglobulin and new imunosuppression agents in the management of post-transplant HCV infection is still evolving.
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