A naturally occurring hormone produced by the ovaries of premenopausal women that controls the development and maintenance of female sex characteristics and the reproductive
system. Estrogen may stimulate the growth of certain cancers.
FARESTON® (toremifene citrate)
An effective and well-tolerated selective estrogen receptor modulator (SERM) that binds to estrogen receptors to help prevent cancer cells from growing and dividing.
Proven to extend survival in women in ER-positive or ER-unknown advanced breast cancer.
hormone therapy
A type of therapy that interferes with the actions of hormones, such as estrogen, that support cancer-cell growth.
metastatic
A term meaning that the cancer has spread from its place of origination to other parts of the body.
tamoxifen
A SERM that binds to estrogen receptors to help prevent cancer cells from growing and dividing. Proven to extend survival in women with breast cancer.
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