Brand name: Fareston
Chemical name: Toremifene
How it works: SERMs block the effects of estrogen in the breast tissue by attaching to the estrogen receptors in breast cells.
Uses: Fareston typically is used to treat postmenopausal women diagnosed with metastatic, hormone-receptor-positive breast cancer.
How it's given: Fareston is taken orally as a pill.
Additional information: Fareston isn't commonly used in the United States because it hasn't been studied as much as tamoxifen. Unlike tamoxifen, Fareston isn't affected by the CYP2D6 enzyme. So it may be a good option for anyone who has an abnormal version of the CYP2D6 enzyme or is taking another medicine that blocks CYP2D6 activity.
Read more about Fareston.
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