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Updated: May 17, 2026

A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
Published on: May 10, 2022
Approach to the treatment-experienced patient with hepatitis C virus genotype 1 infection
Jennifer A Flemming1, Norah A Terrault
1Department of Medicine, Viral Hepatitis Center, University of California San Francisco, Room S-357, 513 Parnassus Avenue, San Francisco, CA 94143, USA.
Insights
Many patients with hepatitis C virus genotype 1 (GT1) do not respond to protease inhibitor-triple therapy. This review offers a framework for alternative treatment decisions in these experienced GT1 patients.
Area of Science:
- Hepatology
- Virology
- Pharmacology
Background:
- Hepatitis C virus genotype 1 (GT1) infection is a global health concern.
- A significant number of treatment-experienced patients fail to achieve sustained virologic response (SVR) with current protease inhibitor-based triple therapies.
- The need for effective alternative treatment strategies for these non-responders is critical.
Purpose of the Study:
- To critically evaluate existing data on treatment options for GT1 patients.
- To identify knowledge gaps in current therapeutic approaches.
- To provide a practical framework for guiding treatment decisions in treatment-experienced GT1 patients using approved drugs.
Main Methods:
- Critical review and synthesis of available clinical trial data.
- Analysis of treatment outcomes in previously treated GT1 patients.
- Evaluation of drug efficacy and safety profiles.
Main Results:
- Protease inhibitor-triple therapy demonstrates suboptimal efficacy in a substantial proportion of treatment-experienced GT1 patients.
- Significant knowledge gaps exist regarding optimal sequencing and combination of therapies.
- Current approved drugs offer potential alternatives, but require careful patient selection.
Conclusions:
- Alternative therapies are essential for treatment-experienced GT1 patients who do not achieve SVR.
- A structured approach is needed to navigate treatment choices.
- Further research is required to optimize therapeutic strategies and improve SVR rates.
Abstract:
A significant proportion of treatment-experienced hepatitis C virus genotype 1 (GT1) patients will not achieve sustained virologic response [corrected] with protease inhibitor-triple therapy, and so the need for alternative therapies for these patients remains high. The aim of this article is to provide a critical evaluation of the available data, highlighting the knowledge gaps and providing a practical framework for making treatment decisions in treatment-experienced GT1 patients with currently approved drugs.
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