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Combination of Dydrogesterone and Antibiotic Versus Antibiotic Alone for Chronic Endometritis: a Randomized
Dacheng Qu1, Maomei Yang2, Lina Tong3
1Department of Obstetrics and Gynecology, Affiliated Hospital of North Sichuan Medical College, No 63, Wenhua Road, Nanchong, Sichuan province, China.
Abstract:
To evaluate the impact of dydrogesterone in the treatment of chronic endometritis with antibiotic treatment in premenopausal women. A total of 188 chronic endometritis patients diagnosed by syndecan-1 (CD138) expression were enrolled in this randomized controlled trial study. Dydrogesterone and doxycycline were given in the treatment group, while single antibiotic was given in the control group. CD138, estrogen receptor, and progesterone receptor expression in samples of the endometrium was analyzed by immunohistochemistry. Comparison of chronic endometritis cure rate between groups was performed based on conversion of CD138 expression from positive to negative. The 188 cases included in the statistical analysis consisted of 93 cases in the treatment group and 95 cases in the control group. The cure rates of chronic endometritis in the dydrogesterone and antibiotic combination group and the single antibiotic group were 86.0% (80/93) and 72.6% (69/95), respectively, with an overall cure rate of 79.3% (149/188). The dydrogesterone and antibiotic combination group showed better effects regarding the cure rate of chronic endometritis (P<.05). Multivariate analysis showed that the cure rate of chronic endometritis was not affected by age, clinical diagnosis, hysteroscopic resection, estrogen receptor status, or progesterone receptor status (all P>.05). Addition of dydrogesterone was effective for the treatment of chronic endometritis with antibiotic treatment in premenopausal women. The study was retrospectively registered to Chinese Clinical Trial Registry (ChiCTR2000040227) in November 2020.
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