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    Did you mean ER Antagonist?
    GlossaryEstrogen Receptor Antagonist (ER Antagonist)

    blocks estrogen from activating its cellular receptors

    An Estrogen Receptor Antagonist, also known as an Estrogen Blocker or ER Antagonist, is a substance that binds to estrogen receptors on cells and prevents estrogen from exerting its effects. This can be useful in treating conditions like hormone-sensitive cancers, such as certain types of breast cancer, by inhibiting the growth-promoting effects of estrogen on these cancer cells.

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      learn Pyrilutamide

      highly targeted anti-androgen that might have minimal systemic effects

      learn Spironolactone

      powerful topical and oral anti-androgen used mostly by women
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