noun
- a substance that blocks or inhibits the effects of oestrogen in the body, used especially in the treatment of hormone-sensitive cancers
Usage: medical/pharmaceutical term; also spelled antiestrogen in U.S. English
Examples
- Tamoxifen is a commonly prescribed antioestrogen used to treat breast cancer.
- The antioestrogen therapy helped reduce the growth of hormone-dependent tumors.
- Doctors may recommend antioestrogen medications for patients with certain types of cancer.
- The antioestrogen drug works by binding to oestrogen receptors on cancer cells.
- Long-term antioestrogen treatment can have significant side effects that patients should discuss with their physicians.