Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2016
von Willebrand factor antigen (vWF-Ag): A non-invasive predictor of treatment response and serious adverse events in HCV patients with interferon triple therapy.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Rutter Karoline, Etschmaier Alexandra, Ferlitsch Monika, Maieron Andreas, Hametner Stephanie, Horvatits Thomas, Paternostro Rafael, Salzl Petra, Reiberger Thomas, Peck-Radosavljevic Markus, Quehenberger Peter, Hofer Harald, Trauner Michael, Ferenci Peter, Ferlitsch Arnulf
Аннотация
BACKGROUND: Treatment of chronic hepatitis C virus (HCV) infection was revolutionized within the last years. Interferon free antiviral regimens are not accessible without limitations. Combination of peginterferon/ribavirin with first generation direct acting antivirals is less effective and associated with serious adverse events.
AIM: We have shown that vWF-Ag is associated with portal hypertension and treatment response to PEG/RBV and we evaluated if vWF-Ag is a predictive marker for treatment response and safety in patients with triple therapy.
METHODS: 222 HCV-GT 1 patients and DAA based triple therapy were included in this retrospective, multicenter study.
RESULTS: Median vWF-Ag levels were 167.0% [IQR: 124.0-210.0%]. Significantly higher levels were seen in patients without SVR; median 190% [IQR: 146.0-259.5%] versus SVR: 142.5% [IQR: 114.3-196.8%], p<0.001. Furthermore levels of vWF-Ag were identified as independent predictor of non SVR; (OR: 1.009; 95%CI: 1.016-1.3, p=0.005). In patients with cirrhosis elevated vWF-Ag levels were associated with increased incidence of SAEs (OR: 1.016; 95%CI: 1.004-1.028; p=0.007). Best cut off for prediction of SAEs was vWF-Ag>281.5% with a sensitivity of 78% and a specificity of 90%.
CONCLUSION: Baseline vWF-Ag levels predict outcome of DAA based treatment in HCV-1 patients and identify patients with a risk of SAEs. Therefore vWF-Ag may be an additional marker for selecting patients for interferon free therapeutic regimens.
AIM: We have shown that vWF-Ag is associated with portal hypertension and treatment response to PEG/RBV and we evaluated if vWF-Ag is a predictive marker for treatment response and safety in patients with triple therapy.
METHODS: 222 HCV-GT 1 patients and DAA based triple therapy were included in this retrospective, multicenter study.
RESULTS: Median vWF-Ag levels were 167.0% [IQR: 124.0-210.0%]. Significantly higher levels were seen in patients without SVR; median 190% [IQR: 146.0-259.5%] versus SVR: 142.5% [IQR: 114.3-196.8%], p<0.001. Furthermore levels of vWF-Ag were identified as independent predictor of non SVR; (OR: 1.009; 95%CI: 1.016-1.3, p=0.005). In patients with cirrhosis elevated vWF-Ag levels were associated with increased incidence of SAEs (OR: 1.016; 95%CI: 1.004-1.028; p=0.007). Best cut off for prediction of SAEs was vWF-Ag>281.5% with a sensitivity of 78% and a specificity of 90%.
CONCLUSION: Baseline vWF-Ag levels predict outcome of DAA based treatment in HCV-1 patients and identify patients with a risk of SAEs. Therefore vWF-Ag may be an additional marker for selecting patients for interferon free therapeutic regimens.