noun
- a substance or drug that blocks or inhibits the effects of estrogen in the body, used especially in treating hormone-sensitive cancers
Usage: medical/pharmaceutical term; often used in oncology and breast cancer treatment
Examples
- Tamoxifen is a common antiestrogen used to treat breast cancer.
- The patient was prescribed an antiestrogen to reduce tumor growth.
- Antiestrogen therapy can help prevent recurrence in certain cancer patients.
- Researchers are developing new antiestrogen compounds with fewer side effects.
- The drug works as an antiestrogen by binding to estrogen receptors on cancer cells.