Overview Aging Mammary Stem Cells and Breast Cancer Prevention Status: Recruiting Trial end date: 2022-08-01 Target enrollment: Participant gender: Summary To examine whether rapamycin can reduce malignant markers and aberrant mammary stem/progenitor cells (MaSCs) number in surgical specimens Phase: Phase 2 Details Lead Sponsor: LuZhe SunThe University of Texas Health Science Center at San AntonioCollaborator: National Cancer Institute (NCI)Treatments: EverolimusSirolimus