Abstract:Uncommon epidermal growth factor receptor (EGFR) gene mutations include G719S, T790M and S768I. T790M gatekeeper mutation is the most frequent mechanism of acquired drug resistance to first- and second-generation EGFR-tyrosine kinase inhibitors (TKIs). Osimertinib is a specific EGFR-TKI to overcome T790M resistance mutation. However, owing to a new drug and a rare mutation type, it remains unknown whether osimertinib is effective for acquired S768I. Herein, we reported a 76 year-old woman with pulmonary adenoc… Show more
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