The breast cancer prevention trial: should women at risk take tamoxifen?

Tamoxifen is nonsteroidal antiestrogen originally developed in 1996 as a contraceptive. Recently, tamoxifen has been under study within the massive Breast Cancer Prevention Trial-but have we learned enough to recommend tamoxifen for breast cancer prevention? This article looks at the drug therapies, including tamoxifen, currently under development for fighting and preventing breast cancer.