Table 1.

Patient characteristics

CharacteristicsN (%)
Total patients treated49 (100)
Age, median64 (25–84)
Sex, female35 (71)
Smoking status
 Former smoker25 (51)
 Never-smoker24 (49)
Histology
 Adenocarcinoma47 (96)
 Large cell neuroendocrine carcinoma1 (2)
 Non–small cell lung cancer not otherwise specified1 (2)
Median line of therapy for T-DM12 (1–7)
 1st line5 (10)
 2nd line23 (47)
 3rd line12 (24)
 4th line5 (10)
 5th line2 (4)
 6th line1 (2)
 7th line1 (2)
Prior HER2-targeted therapy9 (50%)
 Afatinib6 (12)
 Neratinib6 (12)
 Trastuzumab5 (10)
 Pertuzumab1 (2)