Abstract
Background and AimExisting data are controversial regarding the incidence of hepatitis C (HCV)–related hepatocellular carcinoma (HCC) following directly acting antiviral (DAA) therapy. This prospective study aimed to assess incidence, and risk factorss of HCC following DAA therapy in patients with HCV-related advanced fibrosis (F3) and cirrhosis (F4).MethodsIncidence of HCC was calculated in 1,630 patients with HCV-related F3 and F4 treated with DAA prospectively followed for up to 43 months in a single tertiary referral center and compared to historical controls. Risk factors of incident HCC were also determined.ResultsThe crude outcome rate was 2.15/100 person-years, significantly lower than a similar historical cohort (5.57/100 person-years). Risk of developing HCC was higher with the presence of cirrhosis (F4 vs F3, AHR 3.59) and treatment failure (vs achieving SVR, AHR 3.37). Presence of decompensated cirrhosis, platelet count <100×103/mL, and high AFP were independent risk factors of developing HCC.ConclusionIncidence of HCC was significantly lower in patients with HCV-related advanced fibrosis and cirrhosis treated with DAAs than in a historical cohort of untreated patients. Decompensated cirrhosis, baseline AFP ≥10 ng/mL, diabetes, and nonresponse to DAA were independent risk factors of incident HCC.
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