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Drospirenone

屈螺酮

Mechanism of action:

Drospirenone 是一種合成黃體製劑(synthetic progestin),屬於螺內酯(spironolactone)的衍生物。Drospirenone 藉由模仿孕酮(progesterone)的作用,抑制下視丘-垂體-性腺軸(HPG axis),阻止濾泡刺激素(FSH)與黃體成長激素(LH)的分泌,使排卵受到抑制;同時使子宮內膜變薄、子宮頸黏液增稠,阻止精子穿透,降低受精機率。此外,drospirenone 也是雄激素受體拮抗劑,能抑制皮脂腺活性、降低痤瘡與多毛的相關表現。

​Reference(s):

1. Krattenmacher R et al. (2000). Drospirenone: pharmacology and pharmacokinetics of a unique progestogen. Contraception. 


2. Wichianpitaya J et al. (2013). A comparative efficacy of low-dose combined oral contraceptives containing desogestrel and drospirenone in premenstrual symptoms. Obstet Gynecol Int.

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