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[64] [65] It has also been marketed in the form of 100, 200, 250, 400, and 500 mg oral tablets; 500 and 1,000 mg oral suspensions; and as a 50 mg/mL microcrystalline aqueous suspension for intramuscular injection. [66] [67] A 100 mg/mL microcrystalline aqueous suspension for intramuscular injection was previously available as well. [64]
Medroxyprogesterone, also known as 6α-methyl-17α-hydroxyprogesterone or as 6α-methyl-17α-hydroxypregn-4-en-3,20-dione, is a synthetic pregnane steroid and a derivative of progesterone. [ 2 ] [ 3 ] It is specifically a derivative of 17α-hydroxyprogesterone with a methyl group at the C6α position.
[1] [6] [81] In contrast to depot medroxyprogesterone acetate, no increase in VTE risk has been observed with moderately high doses of the related progestin chlormadinone acetate (10 mg/day for 18–20 days/cycle), though based on limited data. [94] [95]
Progesterone (P4), sold under the brand name Prometrium among others, is a medication and naturally occurring steroid hormone. [20] It is a progestogen and is used in combination with estrogens mainly in hormone therapy for menopausal symptoms and low sex hormone levels in women.
Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...
The first oral contraceptive contained 100 to 175 μg of estrogen and 10 mg of progesterone. However, at these levels significant adverse effects were seen and modern preparations contain lower levels of 30 to 50 μg of estrogen and 0.3 to 1 mg of progesterone.
Cyclic treatment with low-dose (10 mg/day) medrogestone has been found to be effective in the treatment of fibrocystic breast changes and associated mastodynia (breast pain). [ 16 ] Medrogestone is used as a form of progestogen-only birth control , although it is not specifically licensed as such.
Estradiol/medroxyprogesterone acetate (E2/MPA), sold under the brand names Indivina and Tridestra among others, is a combination product of estradiol, an estrogen, and medroxyprogesterone acetate, a progestogen, which is used in menopausal hormone therapy for the treatment of menopausal symptoms. [1]