Overview DP303c Versus Trastuzumab Emtansine in in Patients With HER2-positive Advanced Breast Cancer Status: RECRUITING Trial end date: 2028-02-01 Target enrollment: Participant gender: Summary A Clinical Study to Evaluate the Efficacy and Safety of DP303c versus trastuzumab emtansine in patients with HER2-positive Advanced Breast CancerPhase: PHASE3 Details Lead Sponsor: CSPC ZhongQi Pharmaceutical Technology Co., Ltd.Treatments: Ado-Trastuzumab Emtansine