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KMID : 1040620190250010030
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Clinical and Molecular Hepatology
2019 Volume.25 No. 1 p.30 ~ p.36
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Discussion on critical points for a tailored therapy to cure hepatitis C virus infection
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Marascio Nadia
Quirino Angela
Barreca Giorgio Settimo
Galati Luisa
Costa Chiara
Pisani Vincenzo
Mazzitelli Maria
Matera Giovanni
Liberto Maria Carla
Foca Alfredo
Torti Carlo
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Abstract
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Hepatitis C virus (HCV) infects around 71 million people worldwide and in 2018 it is still a major health problem. Since 2011, anti-HCV therapy with availability of direct-acting antiviral drugs has revolutionized the clinical response and paved the way to eradication strategies. However, despite the high rate of sustained virological response, treatment failure may occur in a limited percentage of patients, possibly due to resistance-associated substitutions (RASs), either emergent or pre-existent even in minority viral populations. Clearly this problem may impair success of eradication strategies. With this background, several questions marks still exist around HCV treatment, including whether pan-genotypic treatments with complete effectiveness in any clinical conditions really exist outside clinical trials, the actual cost-effectiveness of genotyping testing, and utility of RAS detection in viral quasispecies by next generation sequencing approach. In this review, we describe these critical points by discussing recent literature data and our research experience.
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KEYWORD
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Direct-acting antivirals, Resistance-associated substitutions, Genetic variation, Deep sequencing
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