NCIt related terms : Antiestrogen Therapy; estrogen blocker;
NCIt definition : Substances that inhibit or antagonize the biosynthesis or biologic effects of estrogens
by either antagonizing the responsiveness of estrogen sensitive tissues or competing
with their binding sites.;
Alternative definition : NCI-GLOSS: A substance that keeps cells from making or using estrogen (a hormone that
plays a role in female sex characteristics, the menstrual cycle, and pregnancy). Estrogen
blockers may stop some cancer cells from growing and are used to prevent and treat
breast cancer. They are also being studied in the treatment of other types of cancer.
An estrogen blocker is a type of hormone antagonist.;
ChEBI ID : CHEBI:50837; CHEBI:50751;
Codes from synonyms : CDR0000648588; CDR0000044813;