4.7 Article

Clinical evaluation of a Hepatitis C Virus whole-genome sequencing pipeline for genotyping and resistance testing

Journal

CLINICAL MICROBIOLOGY AND INFECTION
Volume 28, Issue 3, Pages 405-409

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.cmi.2021.06.042

Keywords

Clinical evaluation; Genotyping; Hepatitis C virus (HCV); Resistance testing; Whole-genome sequencing

Funding

  1. Medical Research Foundation [C0365]
  2. Medical Research Foundation [C0365] Funding Source: researchfish

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This study evaluated a genotype-agnostic next-generation sequencing pipeline for hepatitis C virus (HCV) whole-genome analysis. The pipeline showed high concordance with Sanger sequencing and was able to detect novel subtypes, mixtures, recombinants, and resistance mutations. It has important clinical applications in settings without universal access to pan-genotypic antiviral regimens, rare subtypes, treatment failures, and suspected re-infections.
Objectives: We sought to evaluate clinically a hepatitis C virus (HCV) whole-genome, next-generation sequencing (NGS) pipeline that is agnostic to viral genotype. Methods: Performance of the NGS pipeline was assessed through comparison of results with Sanger sequencing (SS) of partial HCV genomes. Results: There was 98.7% (376/381) concordance for viral subtype between SS and NGS. The positive and negative per cent agreements for determination of resistance-associated substitutions were 97.8% (95% CI 92.5-99.4%) and 99.9% (95% CI 99.5-100.0%), respectively. The NGS pipeline was also able to detect novel subtypes, mixtures, recombinants, transiently occurring resistance mutations and distinguish reinfection with the same subtype from relapse. Discussion: Particular scenarios where NGS may be used include settings without universal access to pan-genotypic antiviral regimens, those infected with a 'rare' subtype or who have been failed by first-line therapy, and in cases of suspected re-infection. Crown Copyright (C) 2021 Published by Elsevier Ltd on behalf of European Society of Clinical Microbiology and Infectious Diseases. All rights reserved.

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