Multi-gene testing overview with a clinical perspective in metastatic triple-negative breast cancer

Martina Dameri, Lorenzo Ferrando, Gabriella Cirmena, Claudio Vernieri, Giancarlo Pruneri, Alberto Ballestrero, Gabriele Zoppoli

Research output: Contribution to journalReview articlepeer-review


Next-generation sequencing (NGS) is the technology of choice for the routine screening of tumor samples in clinical practice. In this setting, the targeted sequencing of a restricted number of clinically relevant genes represents the most practical option when looking for genetic variants associated with cancer, as well as for the choice of targeted treatments. In this review, we analyze available NGS platforms and clinical applications of multi-gene testing in breast cancer, with a focus on metastatic triple-negative breast cancer (mTNBC). We make an overview of the clinical utility of multi-gene testing in mTNBC, and then, as immunotherapy is emerging as a possible targeted therapy for mTNBC, we also briefly report on the results of the latest clinical trials involving immune checkpoint inhibitors (ICIs) and TNBC, where NGS could play a role for the potential predictive utility of homologous recombination repair deficiency (HRD) and tumor mutational burden (TMB).

Original languageEnglish
Pages (from-to)7154
JournalInternational Journal of Molecular Sciences
Issue number13
Publication statusPublished - Jul 1 2021


  • Breast cancer
  • Gene panels
  • Metastatic triple-negative breast cancer
  • Multi-gene testing
  • Next-generation sequencing
  • Tumor mutational burden

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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