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Published on: June 26, 2019
Epidermal growth factor receptor tyrosine kinase inhibitors
1Department of Medical Oncology, University of Manchester, Christie Hospital NHS Trust, Wilmslow Road, Manchester M20 4BX, UK. malcolm.ransom@man.ac.uk
Abstract:
Activation of the epidermal growth factor receptor (EGFR) has been linked to tumour proliferation, invasion, metastasis and angiogenesis in epithelial tumours. Inhibitors of the EGFR have emerged as promising anticancer agents and two main approaches have been developed, humanised monoclonal antibodies and tyrosine kinase inhibitors. This review discusses the current status of EGFR tyrosine kinase inhibitors (EGFR-TKIs) that have entered clinical development. EGFR-TKIs are generally well tolerated and can sometimes produce impressive tumour regression in patients with advanced non-small-cell lung cancer. However, highly predictive or surrogate markers of activity have not been identified and there remains a need for translational research in their future development.
Insights
Epidermal growth factor receptor (EGFR) inhibitors show promise for treating epithelial tumours, especially non-small-cell lung cancer. Further research is needed to identify predictive markers for effective use of these anticancer agents.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Epidermal growth factor receptor (EGFR) activation drives tumor progression, including proliferation, invasion, metastasis, and angiogenesis in epithelial cancers.
- EGFR inhibitors represent a significant advancement in cancer therapy, with two primary classes: monoclonal antibodies and tyrosine kinase inhibitors.
Purpose of the Study:
- To review the current clinical development status of EGFR tyrosine kinase inhibitors (EGFR-TKIs).
- To assess the efficacy and tolerability of EGFR-TKIs in advanced cancers, particularly non-small-cell lung cancer.
Main Methods:
- Review of clinical trial data and scientific literature on EGFR-TKIs.
- Analysis of patient outcomes and adverse events associated with EGFR-TKI therapy.
Main Results:
- EGFR-TKIs are generally well-tolerated in patients.
- Significant tumor regression has been observed in some patients with advanced non-small-cell lung cancer.
- Lack of identified predictive or surrogate markers for treatment activity.
Conclusions:
- EGFR-TKIs are a promising therapeutic strategy for epithelial cancers, notably non-small-cell lung cancer.
- Translational research is crucial for future development to identify biomarkers and optimize patient selection for EGFR-TKI therapy.
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