Brand name: Halotestin
Chemical name: Fluoxymesterone
Class: Anabolic steroid, a type of hormonal therapy. No other anabolic steroids are used to treat breast cancer.
How it works: Anabolic steroids lower the amount of estrogen in the body.
Uses: Halotestin is used to treat advanced-stage, hormone-receptor-positive breast cancer.
How it's given: Halotestin is taken orally as a pill.
Additional information: Halotestin is used only occasionally because other hormonal therapy medicines such as tamoxifen and the aromatase inhibitors are generally more effective.