Overview Treatment of Breast Cancer With Trastuzumab + HS627/ Pertuzumab + Docetaxel Status: Recruiting Trial end date: 2021-11-20 Target enrollment: Participant gender: Summary The trial included screening period (4 weeks) and treatment period (4 treatment cycles, at least 12 weeks). Phase: Phase 3 Details Lead Sponsor: Zhe Jiang Hisun Bioray Bio-pharmaceu tical Co.LtdTreatments: DocetaxelPertuzumabTrastuzumab