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Antivir Ther. 2012;17(6 Pt B):1109-17. doi: 10.3851/IMP2423. Epub 2012 Oct 5.

The science of direct-acting antiviral and host-targeted agent therapy.

Author information

1
National Reference Center for Viral Hepatitis B, C and D, Department of Virology, Hôpital Henri Mondor, Université Paris-Est, Créteil, France. jean-michel.pawlotsky@hmn.aphp.fr

Abstract

Direct-acting antiviral drugs targeting two major steps of the HCV life cycle, polyprotein processing and replication, and cyclophilin inhibitors, that target a host cell protein required to interact with the replication complex, have reached clinical development. In order to achieve a sustained virological response, that is, a cure of the HCV infection, it is necessary to shut down virus production, to maintain viral inhibition throughout treatment and to induce a significant, slower second-phase decline in HCV RNA levels that leads to definitive clearance of infected cells. Recent findings suggest that the interferon era is coming to an end in hepatitis C therapy and HCV infection can be cured by all-oral interferon-free treatment regimens within 12 to 24 weeks. Further results are awaited that will allow the establishment of an ideal first-line all-oral, interferon-free treatment regimen for patients with chronic HCV infection.

PMID:
23188746
DOI:
10.3851/IMP2423
[Indexed for MEDLINE]

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