Letrozole vs. Tamoxifen as Adjuvant Therapy for Breast Cancer

Results from several studies indicate that aromatase inhibitors (letrozole, anastrozole, exemestane) have a role as adjuvant therapy for breast cancer. Indeed, in late 2004, a panel from the American Society of Clinical Oncology concluded that “optimal adjuvant hormonal therapy for a postmenopausal woman with receptor-positive breast cancer includes an aromatase inhibitor as initial …