| NCT Number | NCT04920708 |
| Lead Sponsor | Royal Marsden NHS Foundation Trust
Collaborators: Pfizer, Hoffmann-La Roche |
| Conditions | Metastatic Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer |
| Enrollment | 57 participants |
| Start Date | 2022-12-28 |
| Primary Completion | 2027-06 (estimated) |
| Study Completion | 2027-06 (estimated) |
| Updated on ClinicalTrials.gov | 2026-04-14 |