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