Noun
tamoxifen (countable and uncountable, plural tamoxifens)
(pharmacology) A nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and infertility in women.
The estrogen-blocking drug tamoxifen is also a new drug treatment that has shown effectiveness in delaying or resolving progression of Riedel's thyroiditis. Source: Internet
Therefore, it has been posited that using drugs like tamoxifen prophylactically may result in a reduction in risk for developing breast cancer in some women. Source: Internet
That study found that a high H:I expression ratio is associated with an increased rate of relapse and mortality in ER-positive, lymph node- negative cancer patients treated with surgery and tamoxifen. Source: Internet