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In other projects Wikidata item; Appearance. move to sidebar hide. Equine estrogens, or horse estrogens, are estrogens found in horses. [1] [2] [3] ... Equine estrogen.
[1] [12] The equine estrogens differ from human estrogens in that they have additional double bonds in the B ring of the steroid nucleus. [1] [12] CEEs contain both 17β-estrogens like estradiol and 17β-dihydroequilin and the C17α epimers like 17α-estradiol and 17α-dihydroequilin. [1] [12
8,9-Dehydroestradiol, or Δ 8-17β-estradiol, also known as estra-1,3,5(10),8-tetraen-17β-ol-3-one, is a naturally occurring steroidal estrogen found in horses which is closely related to equilin, equilenin, and estradiol, and, as the 3-sulfate ester sodium salt, is a minor constituent of conjugated estrogens (Premarin). [1]
Conjugated estrogens/medroxyprogesterone acetate (CEs/MPA), sold under the brand names Prempro and Premphase, is a combination product of conjugated equine estrogens (Premarin), an estrogen collected from horse urine, and medroxyprogesterone acetate (Provera), a progestogen, which is used in menopausal hormone therapy for the treatment of menopausal symptoms.
Conjugated estrogens (brand name Premarin), an estrogen product manufactured from the urine of pregnant mares and commonly used in menopausal hormone therapy, is a mixture of natural estrogens including estrone sulfate and equine estrogens such as equilin sulfate and 17β-dihydroequilin sulfate. [1]
“Hormone replacement therapy, including estrogen and progesterone medication, […] improves metabolic health by regulating insulin production, maintaining body weight and fat distribution, and ...
Hippulin, also known as Δ 8-14-isoestrone, as well as 14-isoestra-1,3,5(10),8-tetraen-3-ol-17-one, is a naturally occurring estrogen found in horses and an isomer of equilin.
However, the FDA does have authority over the compounded product. [2] In 2001 the FDA surveyed a limited number of compounded preparations, including eight hormone compounds. All three estradiol products passed every test; however, two out of five progesterone products failed at least one test of potency, content or uniformity. [2]