4.6 Article

Oral Nucleos(t)ide Analogs Alone After Liver Transplantation in Chronic Hepatitis B With Preexisting rt204 Mutation

Journal

TRANSPLANTATION
Volume 101, Issue 10, Pages 2391-2398

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/TP.0000000000001883

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Background. There is currently limited data regarding the use of oral antiviral therapy alone without hepatitis B immune globulin for chronic hepatitis B patients with preexisting lamivudine (LAM) resistance (LAM-R) undergoing liver transplantation. Methods. This is a cohort study determining the effectiveness and long-term outcome in this group of patients. Results. Fifty-seven consecutive chronic hepatitis B patients with preexisting rt204 LAM-R mutations or virological load refractory to LAM undergoing liver transplantation were included, with a median follow-up of 73 months. Fifty-five (96.5%) patients received a regimen that included the use of nucleotide analogs. The cumulative rate of hepatitis B surface antigen seroclearance at 1, 5, and 10 years was 82%, 88%, and 91%, respectively. At the time of transplantation, 39 (72%) patients had detectable hepatitis B virus (HBV) DNA, with amedian of 4.5 log copies/mL. The cumulative rate of HBVundetectability was 91% at 1 year, increasing to 100% by 5 years. After 1 year of liver transplantation, over 90% of the patients had undetectable HBV DNA, and from 8 years onward, 100% had undetectable HBV DNA. The overall long-term survival was excellent, with a 12-year survival of 87%. There was no HBV-related graft loss, and no retransplantation or deaths due to HBV reactivation. Conclusion. Oral antiviral therapy alone without hepatitis B immune globulin is highly effective in preventing HBV reactivation and graft loss from recurrent hepatitis B after liver transplantation in patients with preexisting LAM resistance HBV. The long-term outcome was excellent, with survival of 87% at 12 years after transplantation, without any mortality related to HBV reactivation.

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