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. 2023 Jul 17;8(4):101608. doi: 10.1016/j.esmoop.2023.101608

Table 3.

List of phase III clinical trials investigating ADC combination therapies in HER2-positive advanced breast cancer, as of 22 October 2022

CT full name CT name CT code Setting ADC Combo
A Study of T-DM1 in Combination With Atezolizumab or Placebo as a Treatment for Participants With HER2+ and PD-L1+ Locally Advanced or metastatic BC KATE3 NCT04740918 HER2+ T-DM1 Atezolizumab/placebo
A Study of Tucatinib versus Placebo in Combination With T-DM1 for Patients With Advanced or Metastatic HER2+ BC HER2CLIMB 02 NCT03975647 HER2+ T-DM1 Tucatinib/placebo
T-DXd With or Without Pertuzumab Versus Taxane, Trastuzumab and Pertuzumab in HER2+ Metastatic BC DESTINY-Breast09 NCT04784715 HER2+ T-DXd Pertuzumab/placebo

ADC, antibody–drug conjugate; BC, breast cancer; CT, clinical trial; HER2, human epidermal growth factor receptor 2; PD-L1, programmed death-ligand 1; T-DM1, ado-trastuzumab emtansine; T-DXd, trastuzumab deruxtecan.