Estropipate (piperazine estrone sulfate)

Description: Estropipate (formerly piperazine estrone sulfate), a form of estrogen and an estrogen receptor agonist, is a female sex hormone produced by the ovaries. Estrogen is necessary for many processes in the body. Estropipate is used to treat menopause symptoms such as hot flashes and vaginal changes, and to prevent osteoporosis (bone loss) in menopausal women. It has several uses Alleviate symptoms of menopause as hormone replacement therapy, treatment some types of infertility, treatment of some conditions leading to underdevelopment of female sexual characteristics, and treatment of prostate cancer and prevention of osteoporosis. Estropipate diffuses through the cell membrane and binds to and subsequently activates the nuclear estrogen receptor found in the reproductive tract, breast, pituitary, hypothalamus, liver, and bone. The activated complex binds to the estrogen response element on the DNA and activates the transcription of genes involved in the functioning of the female reproductive system and secondary sex characteristics.

References: Bagdade JD, Subbaiah PV. Effects of estropipate treatment on plasma lipids andlipoprotein lipid composition in postmenopausal women. J Clin Endocrinol Metab.1991 Feb; 72(2):283-6. PubMed PMID: 1991799.