Multi-marker Solid Tumor Panels Using Next-generation Sequencing to Direct Molecularly Targeted Therapies

Michael Marrone1, Kelly K Filipski1, Elizabeth M Gillanders1

  • 1Epidemiology and Genomics Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, NIH, Rockville, Maryland, USA.

Plos Currents
|June 7, 2014
PubMed

Insights

Next-generation sequencing tumor panels offer a molecular blueprint for cancer treatment. However, limited data exists on their clinical validity and impact on patient outcomes for targeted therapies.

Area of Science:

  • Oncology
  • Genomics
  • Molecular Biology

Background:

  • Contemporary oncology increasingly focuses on evaluating multiple genomic alterations in tumor-driving pathways.
  • Commercially available tumor panels utilizing next-generation sequencing (NGS) aim to create comprehensive molecular tumor blueprints.
  • The goal is to match actionable variants with targeted therapies, irrespective of tumor origin.

Purpose of the Study:

  • To review the current state of post-analytic processes for NGS tumor panels.
  • To assess the existing evidence for the clinical validity of these panels in solid tumors.
  • To highlight the need for new evidentiary standards for NGS-based oncology diagnostics.

Main Methods:

  • Review of current literature on next-generation sequencing tumor panels.
  • Analysis of data regarding post-analytic processes and clinical validity.
  • Examination of existing research on treatment response and patient outcomes.

Main Results:

  • Limited information is available on the post-analytic procedures specific to NGS platforms used in commercial tumor testing.
  • Evidence demonstrating the clinical validity of genetic markers in these panels, linking them to treatment response for targeted therapies, is scarce across solid tumor types.
  • No published data currently supports improved patient outcomes when using these commercial NGS tests for treatment guidance.

Conclusions:

  • Next-generation sequencing tumor panels present unique challenges regarding analytical and clinical validity.
  • Establishing robust evidentiary standards is crucial for evaluating the clinical utility of these tests in oncology.
  • Further research is needed to validate NGS-based diagnostics and demonstrate their impact on clinical decision-making and patient outcomes.