Third generation EGFR TKIs: current data and future directions

Chee-Seng Tan, Nesaretnam Barr Kumarakulasinghe, Yi-Qing Huang, Yvonne Li En Ang, Joan Rou-En Choo, Boon-Cher Goh, Ross A. Soo

Research output: Contribution to journalReview articlepeer-review

108 Citations (Scopus)


Acquired T790 M mutation is the commonest cause of resistance for advanced non-small cell lung cancer (NSCLC) epidermal growth factor receptor (EGFR) mutant patients who had progressed after first line EGFR TKI (tyrosine kinase inhibitor). Several third generation EGFR TKIs which are EGFR mutant selective and wild-type (WT) sparing were developed to treat these patients with T790 M acquired resistant mutation. Osimertinib is one of the third generation EGFR TKIs and is currently the most advanced in clinical development. Unfortunately, despite good initial response, patients who was treated with third generation EGFR TKI would develop acquired resistance and several mechanisms had been identified and the commonest being C797S mutation at exon 20. Several novel treatment options were being developed for patients who had progressed on third generation EGFR TKI but they are still in the early phase of development. Osimertinib under FLAURA study had been shown to have better progression-free survival over first generation EGFR TKI in the first line setting and likely will become the new standard of care.

Original languageEnglish
Article number29
Number of pages14
JournalMolecular Cancer
Issue number1
Publication statusPublished - 19 Feb 2018


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