Comparing the Efficacy of Nab-PH+Pyrrolitinib and TCbHP in the Neoadjuvant Treatment of HER2 Positive BC

albumin paclitaxel （260mg/㎡ every 3 weeks or 125mg/㎡ weekly）+trastuzumab (initial loading dose 8 mg/kg, sequential maintenance dose 6 mg/kg, once every 3 weeks)+pyrrolitinib (320mg, QD), 3 weeks as one cycle.

Docetaxel 75 mg/m2+carboplatin (AUC=6)+trastuzumab (initial loading dose 8 mg/kg, sequential maintenance dose 6 mg/kg)+patuzumab (initial loading dose 840mg, sequential maintenance dose 420 mg), one cycle every 21 days