A Study to Evaluate HLX22 in Combination With HLX87 in Patients With HER2-Positive Recurrent or Metastatic Breast Cancer
Conditions
Interventions
- DRUG: HLX87 + HLX22
- DRUG: HLX87 + Pertuzumab
- DRUG: T-Dxd + Pertuzumab
- DRUG: THP
Sponsor
Shanghai Henlius Biotech