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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 .
In July 2024, the US Food and Drug Administration (FDA) approved Femlyv, the first orally disintegrating tablet for the prevention of pregnancy. [4] Norethindrone acetate and ethinyl estradiol have been approved in the US for the prevention of pregnancy as a swallowable tablet since 1968.
This is a list of known combined sex-hormonal formulations. Brand names and developmental code names are in parentheses. Brand names and developmental code names are in parentheses. Androgens
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 ...
[1] [8] The medication is a prodrug of norethisterone in the body. [9] [10] NETA was patented in 1957 and was introduced for medical use in 1964. [11] [12] It is sometimes referred to as a "first-generation" progestin. [13] [14] NETA is marketed widely throughout the world. [4] It is available as a generic medication. [15]
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.
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