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A drug previously used to treat breast cancer is now being offered to high risk women as a preventative measure.. Scientists have found that the hormone therapy - called anastrozole - can p revent ...
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]
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 ...
Steroidal aromatase inhibitors are a class of drugs that are mostly used for treating breast cancer in postmenopausal women. High levels of estrogen in breast tissue increases the risk of developing breast cancer and the enzyme aromatase is considered to be a good therapeutic target when treating breast cancer due to it being involved in the final step of estrogen biosynthetic pathway and also ...
The first aromatase inhibitor that was discovered was aminoglutethimide, classified as first-generation AIs. It is still used today despite causing side effects such as lack of target enzyme specificity which also has effects on other cytochrome P450 enzymes. [12] Furthermore, it affects the synthesis of aldosterone, thyroid hormone and ...
Antiandrogens are a class of drug which bind and inhibit the androgen receptor, blocking the growth- and survival-promoting effects of testosterone on certain prostate cancers. Flutamide and bicalutamide are antiandrogens which are frequently used in the treatment of prostate cancer, either as long-term monotherapy, or in the initial few weeks ...
Adverse effects of tamoxifen include hot flashes and an increase in the risk of developing endometrial cancer compared to women of similar age. [ 6 ] [ 4 ] Toremifene , a chlorinated tamoxifen derivative developed to avoid hepatic carcinomas , was associated with fewer DNA adducts in the liver than tamoxifen in preclinical studies .
Moreover, breast cancer risk is heightened following use of the combined oral contraceptive pill and combined hormone replacement therapy. [4] Armed with this evidence that endogenous and exogenous changes in estrogen and progesterone levels modulate the risk of breast cancer, it is apparent that hormones can play a key role in breast cancer.