Association of Human Cytomegalovirus with Hepatitis C Virus Infections and Its Impact on Antiviral Therapy

2019 ◽  
Vol 27 (1) ◽  
pp. 51-56
Author(s):  
Samira A. Shoeb ◽  
Ashraf E. Abd El-Hameid ◽  
Sohier A. Ismael ◽  
Duaa D. Ahmed
Keyword(s):  
Hepatitis C Virus ◽  
Hepatitis C ◽  
Antiviral Therapy ◽  
Human Cytomegalovirus ◽  
Virus Infections

Association of Human Cytomegalovirus with Hepatitis C Virus Infections

2019 ◽  
Vol 27 (1) ◽  
pp. 75-79
Author(s):  
Samira A. Shoeb ◽  
Ashraf E. Abd El-Hameid ◽  
Sohier A. Ismael ◽  
Duaa D. Ahmed
Keyword(s):  
Hepatitis C Virus ◽  
Hepatitis C ◽  
Human Cytomegalovirus ◽  
Virus Infections

Effects of Smoking on Pegylated Interferon alpha 2a and First Generation Protease Inhibitor-based Antiviral Therapy in Naïve Patients Infected with Hepatitis C Virus Genotype 1

2016 ◽  
Vol 25 (1) ◽  
pp. 15-24 ◽  
Author(s):  
Tim Zimmermann ◽  
Dietrich Hueppe ◽  
Stefan Mauss ◽  
Peter Buggisch ◽  
Heike Pfeiffer-Vornkahl ◽  
...  
Keyword(s):  
Hepatitis C Virus ◽  
Hepatitis C ◽  
Antiviral Therapy ◽  
Interferon Alpha ◽  
Virological Response ◽  
Sustained Viral Response ◽  
Pegylated Interferon ◽  
Genotype 1 ◽  
Pegylated Interferon Alpha ◽  
Viral Response

Background & Aims: Smoking has multiple effects on factors influencing hepatitis C and antiviral therapy, including lipid metabolism, fibrosis, platelet count and adherence aspects. The aim of this analysis was to determine the impact of smoking on hepatitis C virus antiviral therapy. Methods: Data of two cohorts of an observational multicenter study including therapy-naïve patients infected with genotype 1 hepatitis C virus (HCV) treated with dual antiviral therapy (n=7,796) with pegylated interferon alpha 2a in combination with ribavirin, or triple antiviral therapy (n=1,122) containing telaprevir or boceprevir, were analysed. Results: In the univariate matched pair analysis of dual antiviral therapy patients (n=584), smoking was significantly associated with lower sustained viral response rates (p=0.026, OR 0.69 CI: 0.50 – 0.96). The effect of smoking on sustained viral response remained significant (p=0.028, OR 0.67 CI: 0.47 – 0.96) in the multivariate analysis when adjusting for all other baseline parameters with a significant association in the univariate analysis, i.e. diabetes, fibrosis, body mass index, transaminases and baseline viral load. Under protease inhibitors the influence of smoking on virological response did not arise. Conclusions: Smoking has a negative impact on antiviral therapy in naïve patients infected with HCV genotype 1 independently of age, gender, history of drug use or alcoholic liver disease. The effects of smoking might be overcome by the new antiviral agents.Abbreviations: APRI: AST to platelet ratio index; DAA: direct antiviral agent; DT: dual antiviral therapy; EoTR: end of treatment response; RVR: rapid virological response; EVR: early virological response; HCV: hepatitis C virus; IFN: interferon alpha; MPA: Matched Pair Analysis; NS: non-smokers; PEG-IFN: pegylated interferon alpha 2a; PI: protease inhibitor; RBV: ribavirin; SAE: serious adverse event; SOC: standard of care; S: smokers; SVR: sustained viral response.    

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