Overview Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving Doxorubicin Status: NOT_YET_RECRUITING Trial end date: 2026-08-30 Target enrollment: Participant gender: Summary This study aims to assess the cardioprotective effect of melatonin and vitamin D in breast cancer patients who receive doxorubicin.Phase: NA Details Lead Sponsor: Tanta University