| NCT Number | NCT07132749 |
| Lead Sponsor | Yeon Hee Park
Collaborators: Helsinn Healthcare SA |
| Conditions | Patients With HER2-positive Advanced Breast Cancer Treated With T-DXd, Patients With HER2-low Advanced Breast Cancer Treated With T-DXd |
| Enrollment | 100 participants |
| Start Date | 2025-08-12 |
| Primary Completion | 2026-06-30 (estimated) |
| Study Completion | 2026-09-30 (estimated) |
| Updated on ClinicalTrials.gov | 2026-01-08 |