NCIt definition : A nonsteroidal triphenylethylene antiestrogen. Chemically related to tamoxifen, toremifene
is a selective estrogen receptor modulator (SERM). This agent binds competitively
to estrogen receptors, thereby interfering with estrogen activity. Toremifene also
has intrinsic estrogenic properties, which are manifested according to tissue type
or species. (NCI04);
Alternative definition : NCI-GLOSS: An anticancer drug that belongs to the family of drugs called antiestrogens.
Toremifene blocks the effect of the hormone estrogen in the body. It may help control
some cancers from growing, and it may delay or reduce the risk of cancer recurrence.;