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A mineralocorticoid receptor antagonist (MRA or MCRA) [1] or aldosterone antagonist, is a diuretic drug which antagonizes the action of aldosterone at mineralocorticoid receptors. This group of drugs is often used as adjunctive therapy, in combination with other drugs, for the management of chronic heart failure .
For people with hyperplasia of both glands, successful treatment is often achieved with spironolactone or eplerenone, drugs that block the aldosterone receptor. With its antiandrogen effect, spironolactone drug therapy may have a range of side effects in males and females, including gynecomastia and irregular menses. These symptoms occur less ...
Certain side effects, like breast enlargement, reduced premenstrual symptoms, and less oily skin/greasy hair, could be beneficial. Side effects often could not be unambiguously attributed to spironolactone due concomitant use of other medications, particularly birth control pills.
[28] [16] In addition, the AR antagonism of spironolactone is involved in its feminizing side effects, such as gynecomastia in men. [28] Spironolactone has been found to produce gynecomastia without changes in testosterone or estradiol levels, implicating AR antagonism in this side effect. [30] Gynecomastia is a major known side effect of AR ...
Steroidogenesis.Trilostane inhibits 3β-HSD. Trilostane is a steroidogenesis inhibitor. [1] It is specifically an inhibitor of 3β-hydroxysteroid dehydrogenase (3β-HSD). [1] [15] As a result of this action, trilostane blocks the conversion of Δ 5-3β-hydroxysteroids, including pregnenolone, 17α-hydroxypregnenolone, dehydroepiandrosterone (DHEA), and androstenediol, into Δ 4-3-ketosteroids ...
New drugs to treat debilitating menopause symptoms — namely hot flashes — are finally on the market or are in development. But doctors say insurance companies either won’t pay for them or ...
Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones.Two main classes of corticosteroids, glucocorticoids and mineralocorticoids, are involved in a wide range of physiological processes, including stress response, immune response, and regulation of inflammation, carbohydrate metabolism ...
These drugs also inhibit the formation of neurosteroids such as allopregnanolone, tetrahydrodeoxycorticosterone (THDOC), and 3α-androstanediol from progesterone, 11-deoxycorticosterone, and DHT, respectively, which may contribute to side effects such as depression and sexual dysfunction.