Overview DP303c in Patients With HER2-positive Advanced Breast Cancer Status: Not yet recruiting Trial end date: 2028-07-01 Target enrollment: Participant gender: Summary This is a study of DP303c in patients with HER2-positive advanced breast cancer. Phase: Phase 3 Details Lead Sponsor: CSPC ZhongQi Pharmaceutical Technology Co., Ltd.Treatments: CapecitabineTrastuzumabVinorelbine