IBI354 With or Without Pertuzumab Versus Taxane, Trastuzumab and Pertuzumab in HER2-positive Metastatic Breast Cancer
This is a randomized, multicenter, open-label, phase 3 study evaluating the efficacy, safety, and tolerability of IBI354 combined with or without pertuzumab vs. THP as first-line treatment for HER2-positive unresectable, locally advanced or metastatic breast cancer.