Extract

RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development of cancer. Anastrozole may be effective in preventing breast cancer. PURPOSE: This randomized clinical trial is studying how well anastrozole works in preventing breast cancer in postmenopausal women who are at increased risk for the disease.

Inclusion criteria

• Breast Cancer

Country

• Australia
• Belgium
• Chile
• Denmark
• Finland
• Germany
• Hungary
• Ireland
• Italy
• Malta
• Portugal
• Russian Federation
• Switzerland
• Turkey
• United Kingdom