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Latest Studies Hint at Survival Advantage With Aromatase Inhibitors in Early Breast Cancer
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Adjuvant therapy with aromatase inhibitors following tamoxifen improves disease-free survival in women with early-stage, hormone-responsive breast cancer. A meta-analysis presented at the San Antonio Breast Cancer Symposium in December suggests that anastrozole (Arimidex) also improves overall survival in these patients. Moreover, new data show that adjuvant therapy with letrozole (Femara) improves disease-free survival and shows a trend toward improved overall survival even after a substantial gap between completion of tamoxifen and start of letrozole therapy.
Interim results from several trials showed improved event-free survival and a trend for improved overall survival in women who switched to aromatase inhibitor therapy after 23 years on tamoxifen compared with those who