Comparison of famciclovir and lamivudine in the long-term treatment of hepatitis B infection after liver transplantation.
BACKGROUND: Preliminary results of short-term famciclovir and lamivudine therapy in patients with hepatitis B virus (HBV) infection after liver transplantation revealed promising results. In a retrospective study the efficacy of long-term treatment with these substances was compared. METHODS: A total of 53 HBV-infected adults (48 reinfections and 7 de novo infections) received antiviral treatment. A total of 32 of these patients were treated with famciclovir 3x500 mg, 20 of them were later switched to lamivudine. Fourteen patients received lamivudine, 150 mg/day orally, as first line therapy and 7 patients after failure of famciclovir-prophylaxis. Follow-up time was 8 to 62 months (mean 35 months). Response to therapy (HBV-DNA negative) was compared using Kaplan-Meier estimates. Potential influence factors (HBV-DNA and HBeAg pretransplant, HDV coinfection, pretreatment with famciclovir and immunosuppression) on treatment response were analyzed by log. Rank test (univariate); then a multivariate analysis (Cox multiple stepwise regression model) was applied. RESULTS: A total of 19 and 76% of the patients treated with famciclovir and lamivudine resp. became HBV-DNA negative; 0 and 24% HBsAg negative. Lamivudine was also effective as second line therapy. In a multivariate analysis of all 73 treatment courses, lamivudine treatment and HDV-coinfection were significant factors for better treatment response; regarding only the lamivudine group, negative HBeAg pretransplant was significant. Viral breakthrough after prolonged treatment occurred in 55% (lamivudine) to 80% (famciclovir) of treatment courses but was only accompanied by mild hepatitis. CONCLUSIONS: Lamivudine and famciclovir are potent drugs for the treatment of HBV-infection after liver transplantation. The antiviral capacity of lamivudine is superior even after pretreatment with famciclovir but after prolonged treatment viral breakthrough is often observed.[1]References
- Comparison of famciclovir and lamivudine in the long-term treatment of hepatitis B infection after liver transplantation. Rayes, N., Seehofer, D., Hopf, U., Neuhaus, R., Naumann, U., Bechstein, W.O., Neuhaus, P. Transplantation (2001) [Pubmed]
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