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Prometrium [c] Progestogen: Oral: 100–400 mg/day Medroxyprogesterone acetate: Provera: Progestogen: Oral: 2.5–40 mg/day Depo-Provera: Progestogen: IM: 150 mg ...
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.
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 .
MPA is a potent agonist of the progesterone receptor with similar affinity and efficacy relative to progesterone. [128] While both MPA and its deacetylated analogue medroxyprogesterone bind to and agonize the PR, MPA has approximately 100-fold higher binding affinity and transactivation potency in comparison. [ 128 ]
Laboratory studies have suggested that bioidentical progesterone binds primarily to progesterone receptors, while synthetic progestins activate other receptors with a variety of effects. The editors suggested that progesterone may have neutral to positive effects on the cardiovascular system, and induce apoptosis in breast epithelial cells.
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 ...
Progesterone interacts with membrane progesterone receptors, but interaction of progestins with these receptors is less clear. [ 165 ] [ 166 ] In addition to their progestogenic activity, many progestogens have off-target activities such as androgenic , antiandrogenic , estrogenic , glucocorticoid , and antimineralocorticoid activity.
Perfect use" means that an individual uses their contraceptive pill at the same time every day without missing a scheduled dose. [ 21 ] Assuming "typical use," the theoretical efficacy of progestogen-only pills in avoiding undesired pregnancy falls to around 91-93%, meaning that approximately 7 to 9 out of every 100 patients will experience an ...