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- Title
Association of Interleukin-28B and Hepatitis C Genotype 1 with a High Viral Load and Response to Pegylated Interferon plus Ribavirin Therapy.
- Authors
Takita, Masahiro; Hagiwara, Satoru; Arizumi, Tadaaki; Hayaishi, Sousuke; Ueda, Taisuke; Kitai, Satoshi; Yada, Norihisa; Inoue, Tatsuo; Minami, Yasunori; Chung, Hobyung; Ueshima, Kazuomi; Sakurai, Toshiharu; Kudo, Masatoshi
- Abstract
Background: Pegylated interferon (PEG-IFN) plus ribavirin therapy is the current standard treatment for chronic hepatitis C (CHC) genotype 1 with high viral load. A common genetic variation near the IL28B gene has been found to affect the response to PEG-IFN plus ribavirin therapy for CHC. The aims of this study were to analyze the association between the rs8099917 genotype and treatment response in a cohort study of CHC. Methods: This study evaluated clinical and laboratory parameters retrospectively in a cohort of 122 patients with chronic hepatitis C with genotype 1 and a high viral load who received PEG-IFN plus ribavirin therapy. We carried out univariate and multivariate statistical analyses of parameters and clinical responses. Results: Sixty-three of 122 patients (51.6%) had sustained virological responses (SVRs). Patients with the rs8099917 genotype TT achieved significantly higher SVR rates (p < 0.01). Univariate analysis revealed that SVRs were associated with BMI, fibrosis, albumin, total cholesterol, PEG-IFN dose, ribavirin dose and the rs8099917 genotype. Multivariate analysis revealed that the rs8099917 genotype (odds ratio 7.434, 95% CI 2.278-24.257, p = 0.001) and total PEG-IFN dose (odds ratio 7.162, 95% CI 1.565-18.15, p = 0.007) were significant factors. Conclusions: The rs8099917 genotype and total PEG-IFN dose were associated with SVR in patients with hepatitis C virus genotype 1. Copyright © 2011 S. Karger AG, Basel
- Subjects
INTERFERONS; INTERLEUKINS; HEPATITIS C treatment; RIBAVIRIN; THERAPEUTICS
- Publication
Digestion, 2011, Vol 84, p56
- ISSN
0012-2823
- Publication type
Article
- DOI
10.1159/000333215