Next-generation sequencing: a change of paradigm in molecular diagnostic validation

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50 Citations (Scopus)

Abstract

Next-generation sequencing (NGS) is beginning to show its full potential for diagnostic and therapeutic applications. In particular, it is enunciating its capacity to contribute to a molecular taxonomy of cancer, to be used as a standard approach for diagnostic mutation detection, and to open new treatment options that are not exclusively organ-specific. If this is the case, how much validation is necessary and what should be the validation strategy, when bringing NGS into the diagnostic/clinical practice? This validation strategy should address key issues such as: what is the overall extent of the validation? Should essential indicators of test performance such as sensitivity of specificity be calculated for every target or sample type? Should bioinformatic interpretation approaches be validated with the same rigour? What is a competitive clinical turnaround time for a NGS-based test, and when does it become a cost-effective testing proposition? While we address these and other related topics in this commentary, we also suggest that a single set of international guidelines for the validation and use of NGS technology in routine diagnostics may allow us all to make a much more effective use of resources.

Original languageEnglish
Pages (from-to)5-10
Number of pages6
JournalJournal of Pathology
Volume234
Issue number1
Early online date11 Aug 2014
DOIs
Publication statusPublished - Sep 2014

Keywords

  • DNA Mutational Analysis
  • Genomics
  • High-Throughput Nucleotide Sequencing
  • Humans
  • Limit of Detection
  • Molecular Diagnostic Techniques
  • Mutation
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Sequence Analysis, DNA
  • Time Factors
  • Validation Studies as Topic

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