Design, Synthesis, and Biological Evaluation of Pyrimido[4,5- d]pyrimidine-2,4(1 H,3 H)-diones as Potent and Selective Epidermal Growth Factor Receptor (EGFR) Inhibitors against L858R/T790M Resistance Mutation.

Abstract excerpt

First-generation epidermal growth factor receptor (EGFR) inhibitors, gefitinib and erlotinib, have achieved initially marked clinical efficacy for nonsmall cell lung cancer (NSCLC) patients with EGFR activating mutations. However, their clinical benefit was limited by the emergence of acquired resistance mutations. In most cases (approximately 60%), the resistance was caused by the secondary EGFR T790M gatekeeper...

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