NCT04829604 2026-03-09ARX788 in HER2-positive, Metastatic Breast Cancer Subjects (ACE-Breast-03)Ambrx, Inc.Phase 2 Active not recruiting72 enrolled
NCT06224673 2026-02-13ARX788 for Treating Patients With HER2-low Locally Advanced Unresectable or Metastatic Breast CancerUniversity of California, San FranciscoPhase 2 Not yet recruiting36 enrolled