Comparison of the clinical efficacy of dienogest and drospirone/ethinyl estradiol in the treatment of ovarian endometriosis cysts

Xiao Qian, Liwei Hong, Chun Li, Sijie Hong, Yunsong Li, Dingding Yu, Hongli Liu
In: Journal of Endometriosis and Pelvic Pain Disorders · 2024 · vol. 16(3-4) , pp. 134–140 · doi:10.1177/22840265241281769 · W4402733142
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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

Dienogest effectively reduced ovarian endometriotic cyst size, while drospirenone/ethinyl estradiol better decreased tumor markers and had fewer side effects.

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Abstract

Background: Ovarian endometriosis cysts (OEC) are common chronic diseases occurring in women of reproductive age. Hormone therapy, including the use of oral contraceptives (COCs) and progestins, is widely employed in the treatment of endometriosis and OEC. Objective: This study aims to compare therapeutic effects of long-term daily use of dienogest (DNG, 2 mg) versus drospirenone (DRSP, 3 mg)/ethinyl estradiol (EE, 20 μg) daily on ovarian endometrial cysts, particularly focusing on cysts suppression. Methods: A retrospective analysis was conducted on 84 patients diagnosed with OEC, with 42 receiving DNG and 42 treated with DRSP/EE. After 6 months, assessments were made regarding pain symptoms, size of OEC, tumor markers, and adverse reactions. Results: After 6 months of treatment, both DNG and DRSP/EE effectively alleviated pain in patients with ovarian endometriotic cysts. DNG demonstrated more significant improvements than DRSP/EE in reducing tumor size, mainly in terms of higher drug efficacy and greater percentage of tumor shrinkage. However, DRSP/EE significantly reduced the expression of the tumor markers CA125 and CA199 in our study. Patients taking DNG had a higher likelihood of experiencing side effects than those on DRSP/EE, mainly vaginal bleeding and irregular menstrual periods. Conclusions: Both DNG and DRSP/EE are effective in treating ovarian endometrial cysts. DNG appears to be superior in terms of tumor reduction, while DRSP/EE more significantly decreases the expression of the tumor markers and has fewer side effects.

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endometriosis

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