The safety, tolerability, and antitumor activity for ASP8273 300 mg/day in patients with NSCLC EGFR mutation-positive and previously treated with an EGFR TKI were recently presented in a total of 63 patients, including seven treated in the dose-escalation part, 18 in the response expansion, 19 in recommended phase II dose part, and 19 from the food effect cohort (49). Here, EGFR is linked to non-small cell lung carcinoma.