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Abstract
The effect of newer oral anti-HBV medication, tenofovir disoproxil (TDF), on liver related outcomes among Asians is limited. We examined the effect of TDF on incidence of hepatocellular carcinoma (HCC) within an Asian chronic hepatitis B (CHB) population.Retrospective cohort study: 6914 adult, non-transplant, CHB mono-infected patients recruited from 6 U.S. referral, community medical centers, and a community based Taiwan cohort: 774 patients received TDF; 6140 not treated. Propensity score matching [(PSM); age, sex, HBeAg, HBV DNA, ALT, baseline cirrhosis status, follow-up time] balanced the groups (n=591, treated vs. untreated). Kaplan-Meier estimated cumulative risk of HCC. Cox proportional hazards models estimated HCC risk between groups.The eight-year cumulative HCC incidence was significantly higher in PSM untreated group (20.13% vs 4.69%, p<0.0001). Cirrhosis was a significant predictor for HCC (aHR: 5.36; 95% CI: 2.73 - 10.51, p<0.001). On multivariate analysis adjusting for age, sex, HBV DNA, ALT and study site, TDF was associated with a 77% [0.23 (0.56 - 0.92)] HCC risk reduction in patients with cirrhosis and 73% [0.27 (0.07 - 0.98)] reduction in patients without cirrhosis.Among cirrhotic and non-cirrhotic Asian CHB patients, TDF therapy was significantly associated with an eight-year HCC cumulative incidence rate reduction.
View details for PubMedID 29982737