| NCT Number | NCT05424835 |
| Lead Sponsor | Jiangsu HengRui Medicine Co., Ltd. |
| Conditions | HER2-Positive, Unresectable and/or Metastatic Breast Cancer Subjects Previously Treated With Trastuzumab and Taxane |
| Enrollment | 381 participants |
| Start Date | 2022-08-04 |
| Primary Completion | 2026-12-31 (estimated) |
| Study Completion | 2027-12-31 (estimated) |
| Updated on ClinicalTrials.gov | 2025-08-22 |