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  • Title: Long-term treatment with the combination ethinylestradiol and cyproterone acetate in polycystic ovary syndrome.
    Author: Falsetti L, Galbignani E.
    Journal: Contraception; 1990 Dec; 42(6):611-9. PubMed ID: 2150631.
    Abstract:
    This study evaluates the effect of therapy over a long period of time (36 cycles without interruption) with the monophasic combination containing 0.035 mg of ethinylestradiol and 2 mg of cyproterone acetate (EE35-CPA) on hormonal and clinical parameters of 66 patients with polycystic ovary syndrome (PCOS). During the administration of the pill a significant decrease in the LH/FSH ratio and in adrenal and ovarian androgens has been observed, as well as a significant increase of the Sex Hormone Binding Globulin (SHBG). The progressive decrease of the total androgenic activity explains the clinical results that have been obtained: at the 36th cycle of therapy acne disappeared in 100% of the cases, seborrea in 76.4% and hirsutism in 75%. Our results underline the need for a continuous administration without interruption of the pill with CPA in patients with clinical hyperandrogenic symptoms. This study evaluated the effect of therapy over a long period of time (36 cycles without interruption) with the monophasic combination containing 0.035 mg ethinyl estradiol and 2 mg cyproterone acetate (EE35-CPA) on hormonal and clinical parameters of 66 patients with polycystic ovary syndrome. During the administration of the pill, a significant decrease in the LH/FSH ratio and in adrenal and ovarian androgens has been observed, as well as a significant increase in sex hormone binding globulin. The progressive decrease in total androgenic activity explains the clinical results that have been obtained--at the 36th cycle of therapy, acne disappeared in 100% of the cases, seborrhea in 76.4%, and hirsutism in 75%. These results underline the need for continuous administration of the pill with CPA without interruption in patients with clinical hyperandrogenic symptoms.
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