EGFR and non-small cell lung carcinoma: In DELTA study [19], erlotinib was significantly inferior to docetaxel in terms of PFS (1.3 versus 2.9 months; HR, 1.45; 95% CI, 1.09–1.94; P = 0.01) and ORR (5.6% versus 20.0%, P < 0.01) in patients with wild-type EGFR NSCLC.