Is sustained virological response a marker of treatment efficacy in patients with chronic hepatitis C viral infection with no response or relapse to previous antiviral intervention?

PloS One
Kurinchi S GurusamyC Gluud

Abstract

Randomised clinical trials (RCTs) of antiviral interventions in patients with chronic hepatitis C virus (HCV) infection use sustained virological response (SVR) as the main outcome. There is sparse information on long-term mortality from RCTs. We created a decision tree model based on a Cochrane systematic review on interferon retreatment for patients who did not respond to initial therapy or who relapsed following SVR. Extrapolating data to 20 years, we modelled the outcome from three scenarios: (1) observed medium-term (5 year) annual mortality rates continue to the long term (20 years); (2) long-term annual mortality in retreatment responders falls to that of the general population while retreatment non-responders continue at the medium-term mortality; (3) long-term annual mortality in retreatment non-responders is the same as control group non-responders (i.e., the increased treatment-related medium mortality "wears off"). The mean differences in life expectancy over 20 years with interferon versus control in the first, second, and third scenarios were -0.34 years (95% confidence interval (CI) -0.71 to 0.03), -0.23 years (95% CI -0.69 to 0.24), and -0.01 (95% CI -0.3 to 0.27), respectively. The life expectancy was always lo...Continue Reading

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Citations

Jun 24, 2014·Lancet·Christian GluudKurinchi Gurusamy
Apr 8, 2014·The Cochrane Database of Systematic Reviews·Kristiana NikolovaJanus C Jakobsen
May 6, 2014·The Cochrane Database of Systematic Reviews·Mieke H LamersChristian Gluud
Mar 4, 2014·The Cochrane Database of Systematic Reviews·Goran HauserLise Lotte Gluud
Jun 9, 2015·World Journal of Hepatology·Hui-Chun Li, Shih-Yen Lo
Mar 4, 2014·The Cochrane Database of Systematic Reviews·Goran HauserChristian Gluud

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