期刊
JOURNAL OF THE CHINESE MEDICAL ASSOCIATION
卷 86, 期 9, 页码 795-805出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/JCMA.0000000000000965
关键词
Advanced fibrosis; Chronic hepatitis C; Direct-acting anti-virals; Hepatocellular carcinoma; Risk stratification model; Sustained virological response
After achieving sustained virological response (SVR) through oral direct-acting anti-virals (DAAs), patients with chronic hepatitis C (CHC) still face a residual risk of hepatocellular carcinoma (HCC). Variables independently associated with de novo HCC include advanced liver fibrosis, high levels of alpha-fetoprotein (AFP) and albumin-bilirubin (ALBI) grade at the end of treatment, and high body mass index (BMI).
Background: The treatment of chronic hepatitis C (CHC) infection underwent a significant transformation with the introduction of all-oral direct-acting anti-virals (DAAs). These medications offered a high success rate in treatment, shorter duration, good tolerability, and expanded treatment options. However, a residual risk of hepatocellular carcinoma (HCC) development remained for a few patients even after achieving sustained virological response (SVR). To date, there is a lack of real-world data on evaluating risk factors associated with de novo HCC in CHC patients post-SVR, particularly in Taiwan. Methods: Between January 2017 and December 2019, a total of 671 consecutive CHC patients who achieved SVR after receiving DAAs were included for analysis. Patients with a history of HCC or liver transplantation prior to DAAs, a short follow-up period (<1 year), or treatment failure with DAAs were excluded. The primary outcome was the development of HCC following the initiation of DAAs. Variables associated with the primary outcome were assessed using multivariate Cox proportional hazards models. Results: The mean age of the enrolled patients was 65.1 +/- 12.8 years, with 39.6% of them being male. Among the patients, 30.6% had advanced (F3-4) fibrosis, and the median follow-up period was 2.90 years. The cumulative incidence of HCC in CHC patients post-SVR12 was 1.6% at 1 year, 4.4% at 2 years, 4.8% at 3 years, 5.3% at 4 years, and 6.1% at 4.8 years, respectively. Variables independently associated with de novo HCC were advanced liver fibrosis (hazard ratio [HR] = 6.745; 95% CI = 1.960-23.218; p = 0.002), end-of-treatment 12 weeks (EOT12) alpha-fetoprotein (AFP) >7 ng/mL (HR = 3.059; 95% CI = 1.215-7.669; p = 0.018), EOT12 albumin-bilirubin (ALBI) grade >= 2 (HR = 2.664; 95% CI = 1.158-6.128; p = 0.021), and body mass index (BMI) >= 25 kg/m(2) (HR = 2.214; 95% CI = 1.011-4.852; p = 0.047). Conclusion: Despite achieving viral clearance with DAAs, CHC patients still face a residual risk of de novo HCC. Establishing a risk stratification model based on independent variables could facilitate the prediction of future HCC development and enhance screening strategies.
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