A Study of Neoadjuvant TCHpy(Pyrotinib ,Trastuzumab,Carboplatin and Paclitaxel)for ER+/HER2+ Breast Cancer
This study is a multicenter, single-arm, prospective, open clinical study to evaluate the efficacy and safety of pyrotinib in combination with trastuzumab, albumin paclitaxel, and carboplatin in neoadjuvant therapy for ER+/HER2+ early or locally advanced breast cancer.