Patterns of resistance-associated substitutions in patients with chronic HCV infection following treatment with direct-acting antivirals

J Dietz, S Susser, J Vermehren, KH Peiffer… - Gastroenterology, 2018 - Elsevier
Background & Aims Little is known about substitutions that mediate resistance of hepatitis C
virus (HCV) to direct-acting antivirals (DAAs), due to the small number of patients with …

[HTML][HTML] Effectiveness of elbasvir/grazoprevir in US veterans with chronic hepatitis C virus genotype 1b infection

A Puenpatom, Y Cao, X Yu, F Kanwal… - Infectious Diseases and …, 2020 - Springer
Introduction Real-world treatment of hepatitis C virus (HCV) infection is complicated by many
factors that are controlled for in the rigorous clinical trial setting. The aim of the present study …

Efficacy of NS5A inhibitors against hepatitis C virus genotypes 1–7 and escape variants

JM Gottwein, LV Pham, LS Mikkelsen, L Ghanem… - Gastroenterology, 2018 - Elsevier
Background & Aims Inhibitors of the hepatitis C virus (HCV) NS5A protein are a key
component of effective treatment regimens, but the genetic heterogeneity of HCV has limited …

Phase 3, Multicenter Open‐Label study to investigate the efficacy of elbasvir and grazoprevir fixed‐dose combination for 8 weeks in treatment‐naïve, HCV GT1b …

A Abergel, T Asselah, A Mallat… - Liver …, 2020 - Wiley Online Library
Background Genotype 1b is the most common HCV genotype worldwide, accounting for the
largest proportion of infections in Europe, Russia, Latin America and Asia. Reducing …

Analysis of HCV Resistance Variants in a Phase 3 Trial of Daclatasvir Combined With Asunaprevir for Japanese Patients with Genotype 1 b Infection: 1111

F McPhee, J Toyota, K Chayama, H Miyagoshi… - Hepatology, 2013 - journals.lww.com
Background The all-oral combination of daclatasvir 60mg QD, a first-in-class HCV NS5A
inhibitor with pan-genotypic activity in vitro, and asunaprevir 1 00mg BID, a selective NS3 …

Daclatasvir and asunaprevir treatment in patients infected by genotype 1b of hepatitis C virus with no or subtle resistant associated substitutions (RAS) in NS5A‐Y93

M Ishigami, K Hayashi, T Honda… - Journal of Medical …, 2018 - Wiley Online Library
In this study, we investigated the real‐world data of the first approved interferon‐free
regimen in Japan, daclatasvir and asunaprevir (DCV+ ASV), in chronic hepatitis C patients …

[HTML][HTML] Subtype-specific prevalence of hepatitis C virus NS5A resistance associated substitutions in Mainland China

J Lu, Y Feng, L Chen, Z Zeng, X Liu, W Cai… - Frontiers in …, 2019 - frontiersin.org
Resistance associated substitutions (RASs) can reduce the efficacy of direct-acting antiviral
agents (DAAs) targeting hepatitis C virus (HCV) and lead to treatment failure. Clinical data of …

HCV phylogenetic signature and prevalence of pretreatment NS5A and NS5B NI-Resistance associated substitutions in HCV-Infected patients in Mainland China

L Wei, M Omata, YS Lim, Q Xie, JL Hou, J Jia… - Antiviral Research, 2018 - Elsevier
Background & aims Resistance associated substitutions (RAS) can reduce the efficacy of
some direct-acting antiviral HCV regimens. Here, prevalence of RAS in genotype (GT) 1b, 2 …

[PDF][PDF] Elbasvir/grazoprevir and sofosbuvir for hepatitis C virus genotype 3 infection with compensated cirrhosis: A randomized trial

GR Foster, K Agarwal, ME Cramp, S Moreea… - …, 2018 - Wiley Online Library
Many direct‐acting antiviral regimens have reduced activity in people with hepatitis C virus
(HCV) genotype (GT) 3 infection and cirrhosis. The C‐ISLE study assessed the efficacy and …

Long-term persistence of HCV NS5A resistance-associated substitutions after treatment with the HCV NS5A inhibitor, ledipasvir, without sofosbuvir

D Wyles, A Mangia, W Cheng, S Shafran… - Antiviral …, 2018 - journals.sagepub.com
Background Data on persistence of NS5A resistance-associated substitutions (RASs) may
have implications for resistance testing approaches and selection of initial and retreatment …