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Updated: Nov 11, 2025

Establishing Dual Resistance to EGFR-TKI and MET-TKI in Lung Adenocarcinoma Cells In Vitro with a 2-step Dose-escalation Procedure
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Back from the Brink: EGFR Inhibition in Gastroesophageal Cancer

Mark R Openshaw1, David J Pinato1,2, Nicola Valeri3,4,5,6

  • 1Department of Surgery and Cancer, Faculty of Medicine, Hammersmith Hospital, Imperial College London, London, United Kingdom.

Clinical Cancer Research : an Official Journal of the American Association for Cancer Research
|March 27, 2021
PubMed

Insights

Gastroesophageal adenocarcinomas (GEA) are hard to treat. However, a new study suggests that epidermal growth factor receptor inhibitors (EGFRi) may be effective in specific GEA patient groups, potentially reviving their development.

Area of Science:

  • Oncology
  • Gastroenterology
  • Molecular Biology

Background:

  • Gastroesophageal adenocarcinomas (GEA) present significant treatment challenges with limited targeted options.
  • Previous trials of epidermal growth factor receptor inhibitors (EGFRi) in unselected GEA populations yielded negative results, hindering further development.

Purpose of the Study:

  • To re-evaluate the efficacy of EGFR inhibitors in gastroesophageal adenocarcinomas.
  • To identify potential patient subgroups who may benefit from EGFR-targeted therapy.

Main Methods:

  • Analysis of recent clinical trial data.
  • Molecular profiling of gastroesophageal adenocarcinoma patient cohorts.

Main Results:

  • Emerging data suggests a potential role for EGFR inhibitors in specific GEA patient subsets.
  • This may reopen avenues for EGFRi development in gastroesophageal cancer.

Conclusions:

  • A recent study indicates that EGFR inhibitors might be viable for certain GEA patients.
  • This finding could revitalize the therapeutic development of EGFRi for gastroesophageal cancers.

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