Article
Therapeutic Advances in Non-Small Cell Lung Cancer Harboring EGFR Exon 20 Insertion Mutations: From Molecular Biology to Targeted Therapy.
International journal of molecular sciences - 22 Apr 2026
Rosas Daniel, Desai Jay, Raez Luis
Abstract excerpt
Epidermal growth factor receptor (EGFR) exon 20 insertion (ex20ins) mutations are the third most common EGFR mutation subtype in non-small cell lung cancer (NSCLC), accounting for approximately 4-12% of all EGFR-mutated cases. Unlike classical EGFR mutations, ex20ins mutations confer inherent resistance to first-, second- and third-generation EGFR tyrosine kinase inhibitors (TKIs) due to unique structural...
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