arzoxifene hydrochloride

Definition / meaning of arzoxifene hydrochloride

The hydrochloride salt of arzoxifene, a synthetic aromatic derivative with anti-estrogenic properties. Arzoxifene binds to estrogen receptors as a mixed estrogen agonist/antagonist. In comparison to other selective estrogen receptor modulators (SERMs), arzoxifene exhibits greater bioavailability and higher anti-estrogenic potency in the breast than raloxifene; it exhibits reduced estrogenicity in the uterus compared with either tamoxifen or raloxifene. This agent may have beneficial effects on bone and the cardiovascular system.

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Source(s):

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

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