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Estrogen deprivation therapy, also known as endocrine therapy, is a form of hormone therapy that is used in the treatment of breast cancer.Modalities include antiestrogens or estrogen blockers such as selective estrogen receptor modulators (SERMs) like tamoxifen, selective estrogen receptor degraders like fulvestrant, and aromatase inhibitors like anastrozole and ovariectomy.
The bioavailability of anastrozole in humans is unknown, but it was found to be well-absorbed in animals. [2] [6] Absorption of anastrozole is linear over a dosage range of 1 to 20 mg/day in humans and does not change with repeated administration. [3] [4] [6] Food does not significantly influence the extent of absorption of anastrozole.
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. It has been shown that the ingestion of food does not significantly influence the plasma concentration of the drug at a steady-state ...
Women post-menopause with ‘strong family history’ of breast cancer encouraged speak to GP about drug, expert says
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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.
Ovarian stimulation with the aromatase inhibitor letrozole has been proposed for ovulation induction in order to treat unexplained female infertility. In a multi-center study funded by the National Institute of Child Health and Development, ovarian stimulation with letrozole resulted in a significantly lower frequency of multiple gestation (i.e., twins or triplets) but also a lower frequency ...
Published 2019 and 2020 guidelines from the North American Menopause Society (NAMS) and European Menopause and Andropause Society (EMAS) have reviewed the topic of estrogen therapy for depressive symptoms in the peri-and postmenopause. [53] [54] There is some evidence that estrogens are effective in the treatment of depression in perimenopausal ...