Multiclass HCV resistance to direct‐acting antiviral failure in real‐life patients advocates for tailored second‐line therapies

VC Di Maio, V Cento, I Lenci, M Aragri… - Liver …, 2017 - Wiley Online Library
Abstract Background & Aims Despite the excellent efficacy of direct‐acting antivirals (DAA)
reported in clinical trials, virological failures can occur, often associated with the …

[HTML][HTML] HCV genotypes are differently prone to the development of resistance to linear and macrocyclic protease inhibitors

V Cento, C Mirabelli, R Salpini, S Dimonte, A Artese… - PloS one, 2012 - journals.plos.org
Background Because of the extreme genetic variability of hepatitis C virus (HCV), we
analyzed whether specific HCV-genotypes are differently prone to develop resistance to …

Novel HBsAg markers tightly correlate with occult HBV infection and strongly affect HBsAg detection

V Svicher, V Cento, M Bernassola, M Neumann-Fraune… - Antiviral research, 2012 - Elsevier
Occult HBV infection (OBI) is a threat for the safety of blood-supply, and has been associated
with the onset of HBV-related hepatocellular carcinoma and lymphomagenesis …

Reliability and clinical relevance of the HIV-1 drug resistance test in patients with low viremia levels

MM Santoro, L Fabeni, D Armenia… - Clinical infectious …, 2014 - academic.oup.com
Background. We evaluated reliability and clinical usefulness of genotypic resistance testing
(GRT) in patients for whom combination antiretroviral therapy (cART) was unsuccessful with …

[HTML][HTML] Characteristics of hepatitis C virus resistance in an international cohort after a decade of direct-acting antivirals

AYM Howe, C Rodrigo, EB Cunningham, MW Douglas… - JHEP Reports, 2022 - Elsevier
Background & Aims Direct-acting antiviral (DAA) regimens provide a cure in> 95% of
patients with chronic HCV infection. However, in some patients in whom therapy fails …

Risk of failure in patients with 215 HIV-1 revertants starting their first thymidine analog-containing highly active antiretroviral therapy

M Violin, A Cozzi-Lepri, R Velleca, A Vincenti, S D'Elia… - Aids, 2004 - journals.lww.com
Objective: To investigate the impact of 215 HIV-1 revertants on the risk of virological failure
of the first thymidine analog-containing highly active antiretroviral therapy (HAART). Design …

[HTML][HTML] Prevalence of single and multiple natural NS3, NS5A and NS5B resistance-associated substitutions in hepatitis C virus genotypes 1–4 in Italy

A Bertoli, MC Sorbo, M Aragri, I Lenci, E Teti, E Polilli… - Scientific reports, 2018 - nature.com
Natural resistance-associated substitutions (RASs) are reported with highly variable
prevalence across different HCV genotypes (GTs). Frequency of natural RASs in a large …

Unexpected rise in the circulation of complex HBV variants enriched of HBsAg vaccine-escape mutations in HBV genotype-D: potential impact on HBsAg detection …

L Piermatteo, S D'Anna, A Bertoli… - Emerging Microbes & …, 2023 - Taylor & Francis
Specific HBsAg mutations are known to hamper HBsAg recognition by neutralizing
antibodies thus challenging HBV-vaccination efficacy. Nevertheless, information on their …

Failure on voxilaprevir, velpatasvir, sofosbuvir and efficacy of rescue therapy

J Dietz, VC Di Maio, A de Salazar, D Merino… - Journal of …, 2021 - Elsevier
Background & Aims There are limited data on patients with chronic HCV infection in whom
combination voxilaprevir (VOX), velpatasvir (VEL), sofosbuvir (SOF) retreatment fails. Thus …

Characterization and structural analysis of novel mutations in human immunodeficiency virus type 1 reverse transcriptase involved in the regulation of resistance to …

F Ceccherini-Silberstein, V Svicher, T Sing… - Journal of …, 2007 - Am Soc Microbiol
Resistance to antivirals is a complex and dynamic phenomenon that involves more
mutations than are currently known. Here, we characterize 10 additional mutations (L74V …