Safety and efficacy of lamivudine after radiofrequency ablation in patients with hepatitis B virus-related hepatocellular carcinoma
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- Yoshida, H., Yoshida, H., Goto, E. et al. Hepatol Int (2008) 2: 89. doi:10.1007/s12072-007-9020-7
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Antiviral treatments for hepatitis B virus (HBV) are not established in patients with HBV-related hepatocellular carcinoma (HCC).
To investigate the safety and efficacy of lamivudine (LAM) in patients with HBV-related HCC who were treated with radiofrequency ablation (RFA).
RFA-treated patients with HBV-related HCC were retrospectively divided into those who received LAM (LAM group) and those who did not (nontreatment group). The first-year changes in serum alanine aminotransferase (ALT), total bilirubin (TBIL), and albumin (ALB) levels were compared in corresponding subsets based on Child-Pugh classification (Mann–Whitney U test) and between one-to-one matched pairs (Wilcoxon signed rank test), who were selected on the basis of their propensity scores for receiving LAM. Overall and recurrence-free survival was also compared.
Complete ablation of HCC was achieved in 104 patients with HBV-related HCC between January 2000 and December 2005. LAM was administered to 33 patients after RFA. Serum HBV-DNA became negative by TMA method in 24 (73%) patients. Four patients showed redetection of HBV-DNA with ALT elevation. Subset analysis based on initial Child-Pugh class and paired analysis with matching revealed significant decreases in ALT and bilirubin levels and increases in ALB levels in the first year in the LAM group (ΔALT = −17, ΔALB = +0.3, and ΔTBIL = −0.2) compared with controls (ΔALT = +5, ΔALB = ±0.0, and ΔTBIL = +0.3). Overall survival and recurrence-free survival did not differ between the two groups. No specific adverse effect was observed in the LAM group.
LAM after RFA for HBV-related HCC was safe and improved liver function. Further studies are needed to evaluate its effect on survival.