3.
Response | Line of trastuzumab | |||
First | Second | Third | Fourth | |
CR, complete response; PR, partial response; SD, stable disease; PD, progressive disease; ORR, overall response rate. | ||||
CR, n (%) | 5 (5.9) | 1 (1.2) | 0 | 0 |
PR, n (%) | 37 (43.5) | 10 (11.8) | 2 (2.4) | 0 |
SD, n (%) | 28 (32.9) | 7 (8.2) | 4 (4.7) | 3 (3.5) |
PD, n (%) | 15 (17.6) | 16 (18.8) | 8 (9.4) | 3 (3.5) |
ORR, % | 49.4 | 32.3 | 14.3 | 0 |
Treatment cycle, median (range) | 6 (2-35) | 4 (1-18) | 3 (2-8) | 3 (2-5) |