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[1] [2] EE is an estrogen, while norethisterone acetate (NETA) is a progestin. [1] It is taken by mouth. [1] Some preparations of EE/NETA used in birth control additionally contain an iron supplement in the form of ferrous fumarate. [3]
All contain an estrogen, ethinylestradiol or mestranol, [1] [2] in varying amounts, and one of a number of different progestogens. (Regarding the estrogen, the inactive 3-methyl ether of ethinylestradiol, which must be metabolized by the liver into the active ethinylestradiol; 50 μg of mestranol is equivalent to only 35 μg of ethinylestradiol and should not be used when high-dose [50 μg ...
NETA is available in the form of tablets for use by mouth both alone and in combination with estrogens including estradiol, estradiol valerate, and ethinylestradiol. [16] [4] Transdermal patches providing a combination of 50 μg/day estradiol and 0.14 or 0.25 mg/day NETA are available under the brand names CombiPatch and Estalis.
Norethisterone enantate is the generic name of the drug and its INNM Tooltip International Nonproprietary Name and BANM Tooltip British Approved Name. [ 2 ] [ 37 ] [ 39 ] [ 40 ] [ 41 ] It is also spelled as norethisterone enanthate and is also known as norethindrone enanthate (the USAN Tooltip United States Adopted Name of norethisterone being ...
This is a list of progestogens (progesterone and progestins) and formulations that are approved by the FDA Tooltip Food and Drug Administration in the United States. Progestogens are used as hormonal contraceptives, in hormone replacement therapy for menopausal symptoms, and in the treatment of gynecological disorders.
Norethisterone is a substrate for and is known to be an inhibitor of 5α-reductase, with 4.4% and 20.1% inhibition at 0.1 and 1 μM, respectively. [11] However, therapeutic concentrations of norethisterone are in the low nanomolar range, so this action may not be clinically relevant at typical dosages.
This multi-page article lists pharmaceutical drugs alphabetically by name. Many drugs have more than one name and, therefore, the same drug may be listed more than once. Brand names and generic names are differentiated by capitalizing brand names. See also the list of the top 100 bestselling branded drugs, ranked by sales.
Quingestanol acetate is a progestogen, and also has weak androgenic and estrogenic activity. [2] [3] [4] It is a prodrug of norethisterone, with both quingestanol and norethisterone acetate serving as intermediates in the transformation.