CONVERSION OF RECURRENT DELTA-POSITIVE HEPATITIS B INFECTION TO SERONEGATIVITY WITH FAMCICLOVIR AFTER LIVER TRANSPLANTATION

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Abstract
Recurrent hepatitis B infection after liver transplantation is associated with poor graft and patient survival. Famciclovir is a nucleoside with virostatic action in hepatitis B infection. We report the case of a 51-year-old patient who developed recurrent delta-positive hepatitis B infection after liver transplantation. After famciclovir treatment, he became seronegative for hepatitis B early and hepatitis B surface antigens and developed protective anti-hepatitis B surface antibody titers. After recurrent hepatitis B was confirmed, treatment with famciclovir was initiated. Eighteen days after starting famciclovir, the patient became seronegative for hepatitis B early antigen and delta antigen, and hepatitis B virus DNA was no longer detectable in serum. Three months later, the patient became hepatitis B surface antigen negative and remains well 16 months later with increasing anti-hepatitis B surface levels. Antiviral treatment with famciclovir may be useful in treatment of delta-positive hepatitis B infection following liver transplantation. Further evaluation of famciclovir in treatment and prevention of hepatitis B in these patients is warranted.