EGFR exon 20 insertion mutations in advanced non-small-cell lung cancer: current status and perspectives

Jiabao Hou1, Hongle Li2, Shuxiang Ma1

  • 1Department of Internal Medicine, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, 127 Dongming Road, Zhengzhou, 450008, China.

Biomarker Research
|April 14, 2022
PubMed

Insights

Epidermal growth factor receptor (EGFR) exon 20 insertion mutations in non-small-cell lung cancer are resistant to standard therapies. This review covers emerging treatments and future directions for this challenging patient group.

Area of Science:

  • Oncology
  • Genetics
  • Pharmacology

Background:

  • Platinum-based chemotherapy was the standard for lung cancer.
  • Epidermal growth factor receptor (EGFR) mutations ushered in targeted therapies for non-small-cell lung cancer (NSCLC).
  • EGFR tyrosine kinase inhibitors (TKIs) are preferred for advanced NSCLC with common EGFR mutations due to superior efficacy.

Purpose of the Study:

  • To systematically review clinical research on EGFR exon 20 insertion (ex20ins) mutations in NSCLC.
  • To summarize the latest data on emerging therapies for EGFR ex20ins mutations.
  • To discuss future prospects and treatments for NSCLC patients with EGFR ex20ins mutations.

Main Methods:

  • Systematic review of recent clinical research.
  • Summary of current treatment data.
  • Discussion of emerging therapies and future directions.

Main Results:

  • EGFR ex20ins mutations confer resistance to standard EGFR-TKIs.
  • Patients with EGFR ex20ins mutations have a poor prognosis.
  • New drugs targeting EGFR ex20ins mutations have been approved, offering new hope.

Conclusions:

  • EGFR ex20ins mutations represent a distinct subset of NSCLC with unique therapeutic challenges.
  • Emerging therapies show promise for improving outcomes in this patient population.
  • Continued research is crucial for optimizing treatment strategies for EGFR ex20ins NSCLC.

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