estramustine phosphate sodium

Definition / meaning of estramustine phosphate sodium

The orally available disodium salt, monohydrate, of estramustine phosphate, a synthetic molecule that combines estradiol and nornitrogen mustard through a carbamate link. Estramustine and its major metabolite estramustine bind to microtubule-associated proteins (MAPs) and tubulin, thereby inhibiting microtubule dynamics and leading to anaphase arrest in a dose-dependent fashion. This agent also exhibits anti-androgenic effects.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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