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  • Title: Amantadine therapy in renal transplant patients with hepatitis C virus infection.
    Author: Kamar N, Rostaing L, Sandres-Saune K, Ribes D, Durand D, Izopet J.
    Journal: J Clin Virol; 2004 May; 30(1):110-4. PubMed ID: 15072764.
    Abstract:
    BACKGROUND: To date, there is no safe and efficient treatment of hepatitis C virus (HCV) infection after renal transplantation. Recently, there were encouraging reports after using amantadine in HCV-positive immunocompetent patients. OBJECTIVES: In an open pilot study, we evaluated the efficacy and the safety of amantadine monotherapy in 8 HCV positive renal-transplant patients with chronic active hepatitis and increased alanine aminotransferase (ALT) levels. RESULTS: After 6 months of amantadine therapy (200 mg per day), there were no decrease in HCV viremia (5.87 +/- 0.37 log copies/ml at M6 versus 5.71 +/- 0.5 log copies/ml at baseline; P > 0.05). However, we found a significant decrease in ALT activity (71 +/- 17 IU/l at M6 versus 100 +/- 9 IU/l at baseline; P = 0.04), whereas the decrease in aspartate aminotransferase activity did not reach statistical significance. There were no significant changes in liver histology. The clinical and biological tolerance was very good. Finally, there were a significant decrease in cyclosporine A whole blood trough levels during therapy. CONCLUSIONS: Our study is the first one to demonstrate that amantadine monotherapy lack of efficacy in HCV renal-transplant patients. It is able to improve liver enzymes but it has no impact neither upon HCV viremia nor upon liver histology.
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