Life sciences · Interventional Study
ClinicalTrials.gov · October 21, 2026
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Interventional Study.
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Registry record from ClinicalTrials.gov (NCT07349459). This is a study registration, not published results. Lead sponsor: Tanta University. Recruitment status: COMPLETED. Phase: NA. Study type: INTERVENTIONAL. Enrollment: 90 participants (ACTUAL). Conditions: Melatonin, Breast Cancer Patients Diagnosed, Vitamin D Concentration, Doxorubicin. Interventions: DRUG: Group 1 (Doxorubicin group); DRUG: Group 2: Vitamin D group; DRUG: Group 3: melatonin group. Primary outcome measures: Decreasing incidence and severity of cardiotoxicity , 12 weeks. Brief summary: This study aims to assess the cardioprotective effect of melatonin and vitamin D in breast cancer patients who receive doxorubicin.