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Liver transplantation is indicated in end-stage chronic viral liver disease, but unless adequate prophylaxis is administered, the patient will in most cases develop recurrent hepatitis B (HBV) and C (HCV) virus infection. Today, patients receiving prophylaxis using nucleoside analogue drugs with or without specific immune globulin drugs in connection with orthotopic liver transplantation for HBV related cirrhosis, present low risk of relapse and high 5-10 year survival rates. Lamivudine was the first drug used in the prophylactic treatment, but this drug has increasingly been combined with or replaced by adefovir due to the low genetic barrier, which causes viral resistance. Most patients develop viral recurrence after orthotopic liver transplantation for HCV related cirrhosis, and in an elevated number of cases, cirrhosis and hepatic insufficiency set in after a few years. Prophylaxis before transplantation and pre-emptive treatment using interferon and ribavirin present numerous side effects resulting in reduction of doses and suspension of therapy, with consequently low sustained virological remission rates and risk of rejection.The treatment is better tolerated by patients with histologically confirmed chronic disease, but also in these patients virological remission rates are low. This pathology requires new therapeutic protocols and/or new drugs in order to obtain better compliance and better responses.

Clinical management of patients with recurrent viral hepatitis after liver transplantation