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- Title
Declining incidence of hepatitis C related hepatocellular carcinoma in the era of interferon‐free therapies: A population‐based cohort study.
- Authors
Innes, Hamish; McDonald, Scott A.; Hamill, Victoria; Yeung, Alan; Dillon, John F.; Hayes, Peter C.; Went, April; Fraser, Andrew; Bathgate, Andrew; Barclay, Stephen T.; Janjua, Naveed; Goldberg, David J.; Hutchinson, Sharon J.
- Abstract
Background & aims: The impact of interferon (IFN)‐free therapies on the epidemiology of hepatitis C virus (HCV) related hepatocellular carcinoma (HCC) is not well understood at a population level. Our goal was to bridge this evidence gap. Methods: This study included all patients in Scotland with chronic HCV and a diagnosis of cirrhosis during 1999‐2019. Incident cases of HCC, episodes of curative HCC therapy, and HCC‐related deaths were identified through linkage to nationwide registries. Three time periods were examined: 1999‐2010 (pegylated interferon‐ribavirin [PIR]); 2011‐2013 (First‐generation DAA); and 2014‐2019 (IFN‐free era). We used regression modelling to determine time trends for (i) number diagnosed and living with HCV cirrhosis, (ii) HCC cumulative incidence, (iii) HCC curative treatment uptake and (iv) post‐HCC mortality. Results: 3347 cirrhosis patients were identified of which 381 (11.4%) developed HCC. After HCC diagnosis, 140 (36.7%) received curative HCC treatment and there were 202 deaths from HCC. The average annual number of patients diagnosed and living with HCV cirrhosis was approximately seven times higher in the IFN‐free versus the PIR era, whereas the number of incident HCCs was four times higher. However, the cumulative incidence of HCC was significantly lower in the IFN‐free versus PIR era (sdHR: 0.65; 95%CI:0.47‐0.88; P =.006). Among HCC patients, diagnosis in the IFN‐free era was not associated with improved uptake of curative treatment (aOR:1.18; 95%CI:0.69‐2.01; P =.54), or reduced post‐HCC mortality (sdHR: 0.74; 95%CI:0.53‐1.05; P =.09). Conclusions: The cumulative incidence of HCC is declining in HCV cirrhosis patients, but uptake of curative HCC therapy and post‐HCC survival remains suboptimal.
- Subjects
SCOTLAND; HEPATITIS C; HEPATOCELLULAR carcinoma; HEPATITIS C virus; COHORT analysis
- Publication
Liver International, 2022, Vol 42, Issue 3, p561
- ISSN
1478-3223
- Publication type
Article
- DOI
10.1111/liv.15143