| NCT Number | NCT07100600 |
| Lead Sponsor | Henan Cancer Hospital |
| Conditions | HER2-positive Advanced Breast Cancer, Brain Metastases, Radiotherapy |
| Enrollment | 224 participants |
| Start Date | 2025-08-30 |
| Primary Completion | 2030-07-30 (estimated) |
| Study Completion | 2032-12-30 (estimated) |
| Updated on ClinicalTrials.gov | 2025-08-11 |