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    This study aimed to compare the efficacy and safety of oral and transdermal estradiol in alleviating menopausal symptoms. A total of 257 recently menopausal women were randomized into two groups. The t-E2 group received transdermal estradiol (2.5 g per day) (n = 128) and the o-E2V group received oral estradiol valerate (2 mg per day) (n = 129) for 24 weeks; both groups received micronized progesterone (200 mg per day). The primary outcome measure is the change in the modified Kupperman Menopausal Index (KMI) after 24 weeks of treatment. Menopausal symptoms were recorded at screening and at 4, 12 and 24 weeks using both the KMI and the Menopause Rating Scale (MRS). Significant amelioration was observed by KMI and MRS scores for both groups after treatment (p < 0.001). The mean KMI scores showed no difference between the two groups. The mean MRS scores were similar between the two groups at baseline and after 4 weeks of treatment. The results showed statistical differences after 12 weeks and 24 weeks of treatment (p = 0.005 and p = 0.011). Both the after-treatment scores minus the baseline scores of KMI and MRS and the incidence of adverse effects showed no difference between the two groups. This study shows that both transdermal and oral estradiol are effective in relieving menopausal symptoms, with little difference in treatment efficacy and safety. ChiCTR2300073146.

    Citation

    R Tang, Z Xie, X Ruan, Z Zhang, M Ren, J Wu, K Shu, H Shi, M Xie, S Lv, X Yang, R Chen, Q Yu. Changes in menopausal symptoms comparing oral estradiol versus transdermal estradiol. Climacteric : the journal of the International Menopause Society. 2024 Apr;27(2):171-177

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    PMID: 37942806

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