Targeted Cancer Therapiesby
by the FDA for the treatment of ER-positive breast cancer. Drugs called selectiveestrogenreceptormodulators ( SERMs ), including tamoxifen and toremifene (Fareston®) , bind to the ER and prevent estrogen...
against the effects of estrogen on these cells. It is often called an antiestrogen or a SERM ( SelectiveEstrogenReceptorModulator ).
Studies have shown that tamoxifen is only effective in treating estrogen...