Table 2.
Reported randomised phase III trials with neoadjuvant trastuzumab
pCR rate, percentage (95% CI) | |||||||
Reference | Number of patients | Patient population | Design | HER2 assessment | No H | With H | P value |
Buzdar et al., 2005 [11], 2007 [12] | 42 | 65% T2 40% N0/57% N1 | P → FEC vs. P + H → FEC + H | IHC 3+ or FISH+ | 26 (9–51) | 65 (43–84) | NS |
Gianni et al., 2007 [13] | 228 | 60% T4 85% N+ | AP → P → CMF vs. AP + H → P + H → CMF + H | IHC 3+ or FISH | 23 (NR) | 43 (NR) | 0.002 |
Untch et al., 2008 [15] | 453 | NA | EC → D or EC → DX or EC → D → X vs. EC → D + H or EC → DX + H or EC → D + H → X + H | NA | 20 (NR) | 41 (NR) | <0.001 |
C, cyclophosphamide; CI, confidence interval; D, docetaxel; E, epirubicin; F, 5-fluoruracil; FISH, fluorescence in situ hybridization; H, trastuzumab; HER2, human epidermal growth factor receptor 2; IHC, immunohistochemistry; M, methotrexate; N, nodal status; NA, not applicable; NR, not reported; NS, not significant; P, paclitaxel; pCR, pathologic complete response; T, tumour size; X, capecitabine.