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Properties and uses
The compound is part of certain birth control formulations. Drospirenone differs from other synthetic progestins in that its pharmacological profile in preclinical studies shows it to be closer to the natural progesterone. As such it has anti-mineralocorticoid properties, counteracts the estrogen-stimulated activity of the renin-angiotensin-aldosterone system, and is not androgenic. With its activities similar to spironolactone it may lead to less water retention and breast tenderness and improved skin appearance (less acne).
Drospirenone is taken orally with about 76% bioavailability. It is not bound by sex hormone binding globulin or corticosteroid binding globulin, but by other serum proteins. Metabolites have not been shown to be biologically active, show up in urine and feces, and are essentially completely excreted within 10 days.
The compound is part of certain newer oral contraceptive formulations:
It has also been formulated in medication to manage menopausal symptoms using 0.5 mg drsp and 1 mg estradiol per day by oral application. This medication was introduced in the USA in 2007 as Angeliq®.
The medication is contraindicated in patients with hepatic dysfunction, renal insufficiency, adrenal insufficiency, or in whom the use of oral contraceptives is contraindicated, such as smokers and patients with a history of DVT, stroke, or other blood clots. Because of the anti-mineralocorticoid effects care needs to be exercised when other drugs that may increase potassium levels are taken. Such medications include ACE inhibitors, angiotensin-II receptor agonists, potassium-sparing diuretics, potassium supplementation, heparin, aldosterone antagonists, and NSAIDs.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Drospirenone". A list of authors is available in Wikipedia.|