| NCT Number | NCT07349459 |
| Lead Sponsor | Tanta University |
| Conditions | Melatonin, Breast Cancer Patients Diagnosed, Vitamin D Concentration, Doxorubicin |
| Enrollment | 90 participants |
| Start Date | 2026-04-30 |
| Primary Completion | 2026-08-30 (estimated) |
| Study Completion | 2026-08-30 (estimated) |
| Updated on ClinicalTrials.gov | 2026-01-16 |