Table 7 Patient characteristics of the previous studies of erlotinib after gefitinib failure
| Â | Â | Response to gefitinib | Response to erlotinib | |||
|---|---|---|---|---|---|---|
Author | No. of patients | CR/PR/SD | PD | CR/PR/SD | PD | DCR (%) |
Lee DH et al. | 23 | 17 | 6 | 2 | 21 | 9 |
Cho BC et al. | 21 | 10 | 11 | 6 | 15 | 29 |
Viswanathan A et al. | 5 | 4 | 1 | 0 | 5 | 0 |
Costa DB et al. | 18 | 16 | 2 | 4 | 14 | 22 |
Sim SH et al. | 16 | 11 | 5 | 4 | 12 | 25 |
Chang JW et al. | 1 | 1 | 0 | 1 | 0 | 100 |
Garfield DH et al. | 1 | 1 | 0 | 1 | 0 | 100 |
Vasile E et al. | 8 | 8 | 0 | 5 | 3 | 63 |
Gridelli C et al. | 3 | 3 | 0 | 3 | 0 | 100 |
Wong AS et al. | 14 | 9 | 5 | 5 | 9 | 36 |
Zhou ZT et al. | 21 | 15 | 6 | 10 | 11 | 48 |
Wong MK et al. | 21 | 18 | 3 | 12 | 9 | 57 |