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Clinical Drug Investigation

, Volume 35, Issue 12, pp 843–850 | Cite as

Achieving Sustained Virological Response in Hepatitis C Reduces the Long-Term Risk of Hepatocellular Carcinoma: An Updated Meta-Analysis Employing Relative and Absolute Outcome Measures

  • Andrea Messori
  • Brigitta Badiani
  • Sabrina Trippoli
Short Communication

Abstract

Background and Objectives

We studied the effect of achieving sustained virological response (SVR) on the risk of developing hepatocellular carcinoma (HCC) in patients with hepatitis C receiving anti-hepatitis C virus treatment. Avoiding HCC is considered the main long-term benefit of successful antiviral treatment.

Methods

Our literature search extended up to June 2015. We identified all studies that assessed the risk of HCC in patients achieving or not achieving SVR. Meta-analysis was based on a standard random-effect model. The end-point was occurrence of HCC compared between patients with and without SVR; this end-point was expressed as an odds ratio and percent reduction in risk and was also presented separately for patients with and without cirrhosis. All results estimates presented with 95 % confidence intervals (CIs). The presence of any temporal trend in these indexes was investigated by standard meta-regression.

Results

Our search identified 25 observational studies (19,822 patients). The odds ratio of HCC for SVR versus no-SVR was 0.19 (95 % CI 0.15–0.24) in the overall series of 25 studies. The difference in this index between patients with any stage of fibrosis/cirrhosis and those with cirrhosis was small. With regard to risk difference, the 25 studies indicated an overall reduction of 10 % (95 % CI 8.00–12.0); this effect was much less pronounced in the group with any stage of fibrosis/cirrhosis (risk difference 6.7 %) than in the selected group with cirrhosis (risk difference 22 %). Meta-regression showed no temporal trend.

Conclusion

Our analysis was successful in providing an updated overview on this controversial topic. Some pharmacoeconomic assessments are also presented to interpret the clinical results of our analysis.

Keywords

Sorafenib Sustained Virological Response Risk Difference Sofosbuvir Single Outcome Measure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Compliance with Ethical Standards

Source of funding

None.

Conflict of interest

All authors declare no conflicts of interest.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Andrea Messori
    • 1
  • Brigitta Badiani
    • 1
  • Sabrina Trippoli
    • 1
  1. 1.HTA Unit, ESTAV Toscana CentroRegional Health ServiceFlorenceItaly

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