alexa Prediction of Sustained Virological Response to Telaprevir/Simeprevir-Based Triple Therapy in Patients with Genotype 1 Hepatitis C Virus Using Super-Early Viral Response within 2 Weeks
ISSN: 2167-0889

Journal of Liver
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Research Article

Prediction of Sustained Virological Response to Telaprevir/Simeprevir-Based Triple Therapy in Patients with Genotype 1 Hepatitis C Virus Using Super-Early Viral Response within 2 Weeks

Yoshinori Ozono1, Yuka Takaishi1, Mai Tsuchimochi2, Kenichi Nakamura1, Hiroo Abe1, Tadashi Miike1, Kazunori Kusumoto3, Hisayoshi Iwakiri1, Mitsue Sueta5, Yoshihiro Tahara1, Shojiro Yamamoto1, Satoru Hasuike1, Kenji Nagata2* and Kazuya Shimoda1,2,4

1Department of Gastoroenterology and Hematology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan

2Department of Liver disease, University of Miyazaki Hospital, Miyazaki, Japan

3Department of Internal Medicine, Koga General Hospital, Miyazaki, Japan

4Oncology Unit, University of Miyazaki Hospital, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan

Corresponding Author:
Kenji Nagata
Department of Liver disease
University of Miyazaki Hospital
5200 Kihara, Kiyotake, Miyazaki 889-1601, Japan
Tel: +81 985 85 9121
E-mail: [email protected]

Received Date: June 25, 2017; Accepted Date: July 04, 2017; Published Date: July 06, 2017

Citation: Ozono Y, Takaishi Y, Tsuchimochi M, Nakamura K, Abe H, et al. (2017) Prediction of Sustained Virological Response to Telaprevir/Simeprevir-Based Triple Therapy in Patients with Genotype 1 Hepatitis C Virus Using Super-Early Viral Response within 2 Weeks. J Liver 6:217. doi:10.4172/2167-0889.1000217

Copyright: © 2017 Ozono Y, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: Rapid virological response (RVR), defined as undetectable serum hepatitis C virus (HCV) RNA at week 4, is a useful predictor of sustained virological response (SVR) to peginterferon (PEG-IFN) plus ribavirin (RBV) therapy and protease inhibitor (telaprevir (TVR)/simeprevir (SMV)) based triple therapy for patients infected with genotype 1 HCV. The aim of this study was to predict SVR using viral response within 2 weeks of therapy initiation.

Methods: Fifty-two HCV genotype 1b patients with high viral loads treated with protease inhibitor (TVR/SMV)- based triple therapy were analysed. Thirty-seven patients were treated with TVR-based triple therapy and 15 with SMV-based triple therapy. HCV RNA levels were measured at the following points: the day of therapy initiation, at days 1 and 3, and at weeks 1 and 2.

Results: SVR was achieved in 87% (45/52) of patients. There was no difference in SVR rate between the TVRbased triple therapy group (92%) and the SMV-based triple therapy group (73%) (P=0.1726). Univariate analysis of contributors to SVR showed a significant effect of liver fibrosis, platelet count, aspartate transaminase, α-fetoprotein in terms of pre-treatment factors, and HCV RNA load at week 2, reduction of HCV RNA at day 1 and week 2, RVR, and PEG-IFN adherence in terms of on-treatment factors. By multivariate analysis, platelet count and HCV RNA load at week 2 were independently associated with high SVR rate.

Conclusion: HCV RNA level at week 2 was the most useful predictor of SVR after TVR/SMV-based triple therapy in patients with genotype 1 HCV.

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