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Interferon-free treatment choice according to baseline RASs leads to high SVR rates in HCV genotype 1 infected patients.

Peiffer, Kai-Henrik; Vermehren, Johannes; Kuhnhenn, Lisa; Susser, Simone; Dietz, Julia; Finkelmeier, Fabian; Weiler, Nina; Welzel, Tania; Grammatikos, Georgios; Zeuzem, Stefan; Sarrazin, Christoph.
J Infect Chemother; 24(7): 524-530, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29628383


Different combinations of direct antiviral agents (DAA) lead to high SVR rates in HCV genotype 1 infected patients. However, presence of baseline resistance-associated substitutions (RASs) represents a major risk factor for treatment failure. It is unknown whether choice of treatment based on RASs has the potential to decrease virologic failure rates.


Population-based sequencing of NS3 and NS5A genes was performed in HCV genotype 1 infected patients at a German university hospital. Treatment was individually selected based on resistance analyses.


In total, 319 patients (50% treatment-experienced and 30% with cirrhosis) were included. With the treatment choice based on the baseline NS3 and NS5A resistance profile SVR rates between 96 and 100% were observed in all subgroups, including treatment-experienced patients with cirrhosis and HCV genotype 1a infected cirrhotic patients.


The choice of treatment based on the RASs status at baseline may be beneficial for optimizing treatment efficacy in patients with HCV genotype 1 infection and risk factors for treatment failure.
Selo DaSilva