Letrozole in Preventing Breast Cancer in Postmenopausal Women With a BRCA1 or BRCA2 Mutation
Status: ACTIVE_NOT_RECRUITING
Study type: INTERVENTIONAL
Conditions: brca1 Mutation Carrier|brca2 Mutation Carrier|Breast Cancer|Hereditary Breast/Ovarian Cancer (brca1, brca2)
Interventions: DRUG: letrozole|DRUG: Placebo
Sponsor: UNICANCER