| NCT Number | NCT06873191 |
| Lead Sponsor | Pfizer |
| Conditions | HER2-positive Locally Advanced Unresectable, Metastatic Breast Cancer |
| Enrollment | 600 participants |
| Start Date | 2027-01-01 |
| Primary Completion | 2029-05-01 (estimated) |
| Study Completion | 2029-05-01 (estimated) |
| Updated on ClinicalTrials.gov | 2025-11-17 |