Today there are a wide variety of treatments for breast cancer. But recently, several clinical trials have focused light on a category of treatment known as hormonal therapy. Three types of drugs constitute hormonal therapy. The selective estrogen receptor modulators, or SERMs which include tamoxifen (Nolvadex), Evista (raloxifene) and Fareston (tormifene). The aromatase inhibitors which include Arimidex (anastrozole), Femara (letrozole) and Aromasin (exemestane). And the estrogen receptor downregulators which currently only have one family member, fulvestrant (Faslodex). Although they’r