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Current Pharmaceutical Design

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ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

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General Review Article

Pharmaceutical Approaches for Treatment of Hepatitis C virus

Author(s): Alireza Milani, Parya Basimi, Elnaz Agi and Azam Bolhassani*

Volume 26, Issue 34, 2020

Page: [4304 - 4314] Pages: 11

DOI: 10.2174/1381612826666200509233215

Price: $65

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Abstract

Many studies have been performed to develop an antiviral therapy against the hepatitis C virus (HCV) infections. The usual treatment for HCV infection is a combination of PEGylated interferon and ribavirin which offer restricted efficiency and major side effects. Thus, recent development in molecular biology of HCV and its life cycle led to the design of many drugs that target viral proteins and host factors required for viral replication. These drugs were named as direct-acting antivirals (DAAs) that were specifically designed for inhibition of viral life cycle, promising tolerability, short duration of treatment, higher barrier to resistance, and fewer drug interactions. The use of DAAs for the treatment of HCV infection resulted in high virological cure rates in patients. However, the use of combined DAA regimens may present drug interactions especially in patients under treatment for other co-morbidities. On the other hand, drug resistance against virus infection determines the success of long-term therapy. High genetic diversity among HCV virions due to error-prone polymerase activity led to the reduced susceptibility to DAA-therapy. Therefore, preclinical and clinical analysis of HCV resistance to novel drugs is needed. In this review, we describe pharmaceutical approaches for HCV treatment, structural and functional properties of DAAs, the principles of HCV drug-drug interaction, and finally HCV resistance to DAAs.

Keywords: HCV, direct-acting antivirals, drug resistance, drug-drug interaction, inhibition of viral life cycle, error-prone polymerase activity.

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