We initiated a phase 2, multi-center, umbrella trial (CTONG1702, NCT03574402). The eighth arm assessed the efficacy and safety of AZD3759 in untreated EGFR-mutated NSCLC with CNS metastases....Based on subgroup analyses, 200 mg bid dose recipients, females, non-smokers, and EGFR exon 19 deletion patients seemed to attain a favourable response to AZD3759 treatment...