Studying the Effect of Freeze-Dried Table Grape Powder on Blood Estrogen Levels in Postmenopausal Women
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: DIETARY_SUPPLEMENT: standardized freeze-dried table grape powder|OTHER: laboratory biomarker analysis|OTHER: pharmacological study
Sponsor: Mayo Clinic
Collaborators: National Cancer Institute (NCI)