Estrogen ester

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(Redirected from Estradiol ester mixture)

Estrogen ester refers to a type of estrogen that has been chemically combined with an ester to form a prodrug of the parent estrogen. This modification allows for a longer duration of action and improved pharmacokinetics, making estrogen esters particularly useful in hormone therapy and contraceptive applications.

Chemistry

Estrogen esters are a class of prodrugs. They are formed by the esterification of an estrogen, typically at the 3- or 17-position, with a carboxylic acid. The esterification process results in a compound with improved lipophilicity, which can enhance its absorption and distribution in the body.

Pharmacology

Once administered, an estrogen ester is metabolized in the body, typically by esterase enzymes, to release the parent estrogen. This process can occur in various tissues, including the liver and blood plasma. The rate of this conversion can influence the duration of action of the estrogen ester, with some esters providing a sustained release of estrogen over several days or weeks.

Clinical use

Estrogen esters are used in a variety of clinical applications. They are commonly used in hormone replacement therapy (HRT) for the treatment of menopausal symptoms. In this context, they can help to alleviate symptoms such as hot flashes, vaginal dryness, and osteoporosis. Estrogen esters are also used in contraceptive formulations, often in combination with a progestogen ester.

Examples

Examples of estrogen esters include estradiol valerate, estradiol cypionate, and estradiol enanthate. These compounds are used in various pharmaceutical products, including combined oral contraceptives and HRT preparations.

See also

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  • Estradiol esterification into estradiol valerate

  • Polyestradiol phosphate

  • Estradiol

  • Estradiol 3-acetate

  • Estradiol benzoate

  • Estradiol dipropionate

  • Estradiol valerate

  • Estradiol 17 beta-cypionate

  • Estradiol enanthate

  • Estradiol undecylate

  • Polyestradiol phosphate

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