AUG 11, 2026 · PHASE 3 TRIAL
A Study of T-DXd in Participants With or Without Brain Metastasis Who Have Previously Treated Advanced or Metastatic HER2 Positive Breast Cancer
ClinicalTrials.gov
This is a Phase 3 trial registry record with no results posted; it describes planned enrollment and primary endpoints but carries no efficacy or safety data.
Reported
Planned enrollment506
PhasePHASE3
Primary endpoint (Cohort 1: No br…Objective Response Rate (ORR)