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Archives of gynecology and obstetrics

Comparison of the efficacy of micronized progesterone and lynestrenol in treatment of simple endometrial hyperplasia without atypia.


PMID 24488582

Abstract

To evaluate the treatment of simple endometrial hyperplasia without atypia with different gestagens. Sixty premenopausal women with histologically documented endometrial hyperplasia without atypia were included in this prospective controlled study. Patients were randomized into two groups: Group I included 30 patients who received lynestrenol (LYN) in a dose of 15 mg/d, while Group II included 30 patients who received micronized progesterone (MP) 200 mg/d for 12 days per cycle for 3 months. Patients were reevaluated with endometrial curettage after treatment. MP and LYN regimens were compared to regression, resolution or persistence rates and metabolic parameters. After 3 months of treatment in both groups, none of the cases progressed. In LYN group, the rate of resolution was observed to be higher compared to MP group (p = 0.045). LYN was found more effective inducing resolution in patients more than 45 years compared to MP (p = 0.036). When we compare both groups after 3 months of treatment, there was no statistically significant difference in BMI, total cholesterol, HDL, LDL and fibrinogen level between two groups. The rate of patients without any side effects was found to be similar in both groups (p = 0.5). LYN which is a synthetic progestin ensures better endometrial control compared to MP in simple hyperplasia without atypia in the patients of premenopausal age especially in ages more than 45 years.