Letrozole in Preventing Breast Cancer in Healthy Postmenopausal Women at High Risk for Breast Cancer
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Healthy, no Evidence of Disease|Lobular Breast Carcinoma in Situ
Interventions: DRUG: letrozole|OTHER: quality-of-life assessment|OTHER: laboratory biomarker analysis
Sponsor: National Cancer Institute (NCI)