Recovery from life-threatening, corticosteroid-unresponsive, chemotherapy-related reactivation of hepatitis B associated with lamivudine therapy.

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Abstract
Although exacerbations of previously quiescent HBV infection, associated with chemotherapy, have been attributed to enhanced immunological responses to hepatocytes harboring reactivated HBV, the recommended treatment, prednisolone, is often unsuccessful. A young HBsAg-positive, anti-HBe-positive carrier, who received chemotherapy for choriocarcinoma, developed icteric hepatitis. The serum HBV DNA level was 34,000 x 10(6) genomic equivalents per milliliter serum. Treatment with prednisolone alone did not prevent progression to overt hepatic failure. By three days after initiating lamivudine therapy, however, there was reversal of stage III hepatic encephalopathy. With further lamivudine treatment, substantial further improvement in hepatocellular function occurred and HBV-DNA levels became undetectable. When an immunocompromised patient develops an exacerbation of hepatitis B associated with high HBV DNA levels, treatment with prednisolone seems inappropriate, as hepatocytotoxic HBV replication may be stimulated further. In this situation inhibition of HBV replication, eg, by administering lamivudine, may be life-saving.