Abstract
Antiviral therapy improves survival in patients with hepatitis B virus (HBV)-induced hepatocellular carcinoma (HCC). However, the effect of antiviral therapy in patients with low-level viremia HBV-HCC receiving non-curative therapy remains unclear. We aimed to evaluate the role of antiviral therapy in patients with low-level viremia and treated with transarterial chemoembolization (TACE). This retrospective study evaluated 206 patients with HBV-HCC who underwent TACE as an initial treatment. Of those, 135 patients received antiviral therapy (antiviral group), and 71 did not (non-antiviral group). The definition of low-level viremia was an HBV DNA level <2000IU/ml. Kaplan-Meier curves, log-rank tests and Cox regression analysis were used for statistical analyses. The median follow-up duration was 39months (1-174months). Overall survival (OS) did not differ between groups (P=.227). Barcelona Clinic Liver Cancer stage (BCLC), Child-Pugh (CP) class and α-fetoprotein level were independent prognostic factors for OS. Antiviral therapy (hazard ratio [HR], 0.503, P=.022) was a prognostic factor for 2-year survival. On subgroup analysis, antiviral therapy improved short-term survival in patients with BCLC stage 0 and A (P=.037) and CP class A (P=.04). In patients with low-level viremia, antiviral therapy yielded short-term survival benefits, particularly in patients with early-stage HCC.
Published Version
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