Extended aromatase inhibitor therapy reduces breast cancer recurrence in postmenopausal women

1. Invasive breast cancer recurrence was significantly reduced with extended aromatase inhibitor therapy. 2. No significant reduction was noted for breast cancer-specific mortality. Evidence Rating Level: 1 (Excellent) Study Rundown: In postmenopausal women with estrogen receptor–positive breast cancer, 5 years of tamoxifen significantly reduces long-term recurrence and mortality. Aromatase inhibitors (AIs) have shown additional efficacy […]