研究单位:[1]RemeGen Co., Ltd.[2]Oncology Hospital, Chinese Academy of Medical Sciences[3]Liaoning Tumor Hospital & Institute[4]Jilin University First Hospital[5]First Affiliated Hospital of China Medical University[6]Peking University People's Hospital[7]Zhejiang Cancer Hospital[8]Henan Cancer Hospital[9]Jiangsu Cancer Institute & Hospital[10]Jilin Provincial Tumor Hospital[11]Sun Yat-sen Memorial Hospital,Sun Yat-sen University[12]Sun Yat-sen University Cancer Prevention and Control Center[13]Guangdong Provincial People's Hospital[14]Qingdao University Hospital[15]Hunan Cancer Hospital[16]Anhui Provincial Hospital[17]The First Affiliated Hospital of Anhui Medical University[18]Anhui Provincial Cancer Hospital[19]Tianjin Cancer Hospital[20]The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine[21]Shandong Cancer Hospital[22]Qilu Hospital of Shandong University[23]West China Hospital[24]The Fourth Hospital of Hebei Medical University河北医科大学第四医院[25]Wuhan Union Hospital, China[26]Tongji Hospital[27]Hubei Cancer Hospital[28]First Affiliated Hospital of Zhejiang University School of Medicine[29]Cancer Hospital Affiliated to Guangxi Medical University[30]Chongqing University Cancer Hospital[31]Cancer Hospital of Guizhou Province[32]Shanxi Province Cancer Hospital[33]Bethune Hospital of Shanxi Province[34]Linyi Cancer Hospital[35]Yantai Yuhuangding Hospital[36]First Affiliated Hospital of Fujian Medical University[37]The First Affiliated Hospital of Xiamen University[38]Weihai Municipal Hospital[39]The Affiliated Hospital of Xuzhou Medical University[40]Xuzhou Central Hospital[41]Affiliated Hospital of Chengde Medical College[42]Affiliated Hospital of Hebei University[43]The First Affiliated Hospital of Xinxiang Medical College[44]Jinan Central Hospital[45]Zibo Central Hospital[46]Weifang People's Hospital[47]Neijiang Second People's Hospital
研究目的:
This study will compare RC48-ADC to physician choice standard treatment. Participants must have HER2-low breast cancer ,previous use of anthracyclines, and have been treated with one or two systemic chemotherapy regimens following recurrence/metastasis.