Long-Term Risk of Hepatocellular Carcinoma Following Direct-Acting Antiviral Therapy in Compensated Liver Cirrhosis Induced by Hepatitis C Virus Infection
Cristina Maria Muzica , Carol Stanciu * , Cristina Cijevschi-Prelipcean , Irina Girleanu , LauraHuiban , Oana Cristina Petrea , Ana-Maria Singeap , Camelia Cojocariu , Tudor Cuciureanu , CatalinSfarti , Sebastian Zenovia , Stefan Chriac , Gabriela Stefanescu , Irina Ciortescu , CorinaLupas , cu-Ursulescu , Egidia Miftode , Anca Trifan
Considering the excellent safety profile and the high efficacy rates, great benefits were expected with the availability of the new direct-acting antivirals (DAAs) in treating hepatitis C virus (HCV) infection. Following the publication of two articles in 2016 on the high incidence rates of hepatocelullar carcinoma (HCC) following DAAs, several papers revealed contradictory results, thereby casting shadows on the role of DAAs in hepatocarcinogenesis.
The present study aimed to assess the incidence and risk factors of HCC in patients with HCV genotype 1b infection and compensated cirrhosis with the sustained virological response (SVR) following DAAs.
This multicentric prospective study encompassed 479 patients with HCV genotype 1b compensated cirrhosis treated with paritaprevir/ritonavir/ombitasvir and dasabuvir (PrOD) +/- ribavirin (RBV) for 12 weeks in two tertiary centers in Northeastern Romania. The patients were prospectively followed up in the Institute of Gastroenterology Iasi, Romania, from November 2015 to December 2020.
During the follow-up period (mean 60.113.87 months), 23 patients (4.8%) developed HCC. The 1-, 3-, and 5-year cumulative incidence rates of HCCwere 1.1, 1.9, and 2.6%, respectively. At the time of the diagnosis, 15 patients (65%) had a single tumor, 12 patients (52.2%) were within the Milan criteria, and nine persons (39%) had Barcelona liver cancer stage 0-A. In this regard, the mean AFP level was 35.393.1 ng/mL. A multivariate analysis, age above 65 years, and a cutoff point of AFP 10 ng/mL at the end of treatment were independent factors associated with HCC. A majority of the patients (n = 11, 47.8%) received curative treatment by surgical resection. In this study, histopathological examination identified a moderately differentiated tumor (G2) in 5 patients, five patients had a poorly differentiated tumor (G3), and only one patient had a well-differentiated tumor (G1).
Our study revealed no evidence of the high incidence rate of HCC after the long-term follow-up of patients with HCVrelated liver cirrhosis and SVR following DAA treatment. However, the cumulative 5-year risk remained above the cutoff point, and this makes the HCC screening cost-effective. The HCC occurrence appears to be associated with aging and a moderately increased AFP level at EOT ( 10 ng/mL).
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