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Trials have shown that the drug reduces breast cancer cases by 49 per cent over 11 years among eligible women, meaning that if just 25 per cent of eligible women in England take up the offer ...
Anastrozole, sold under the brand name Arimidex among others, is an antiestrogenic medication used in addition to other treatments for breast cancer. [6] [7] Specifically it is used for hormone receptor-positive breast cancer. [7] It has also been used to prevent breast cancer in those at high risk. [7] It is taken by mouth. [7]
Aromatase inhibitors (AIs) are a class of drugs used in the treatment of breast cancer in postmenopausal women and in men, [1] [2] and gynecomastia in men. They may also be used off-label to reduce estrogen conversion when supplementing testosterone exogenously. They may also be used for chemoprevention in women at high risk for breast cancer.
Exemestane is indicated for the adjuvant treatment of postmenopausal women with estrogen-receptor positive early breast cancer who have received two to three years of tamoxifen and are switched to it for completion of a total of five consecutive years of adjuvant hormonal therapy. [3] US FDA approval was in October 1999. [4]
The elimination half-life of the drug is 12,5 hours and 34-54% of the drug is excreted unchanged in the urine. [23] Anastrozole is administered orally and has a standard daily dose of 1 mg. Anastrozole has good oral bioavailability and is rapidly absorbed. It takes 2–3 hours for the drug to reach maximum serum concentration.
Over a 45-years span — between 1975 and 2020 — improvements in cancer screenings and prevention strategies have reduced deaths from five common cancers more than any advances in treatments ...
Staging breast cancer is the initial step to help physicians determine the most appropriate course of treatment. As of 2016, guidelines incorporated biologic factors, such as tumor grade, cellular proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression profiling into the staging system.
It is used as endocrine therapy for women with estrogen or progesterone receptor-positive, stage 4 or recurrent metastatic breast cancer [7] and has demonstrated similar efficacy compared to tamoxifen as adjuvant treatment of breast cancer and in the treatment of metastatic breast cancer. [6]