Effect of GLP-1 agonists on weight loss in patients with polycystic ovary syndrome and obesity: A single-center study
Abstract
Background Weight loss of >5% in patients with polycystic ovary syndrome and obesity (PCOS–O) is believed to improve underlying drivers of the syndrome. Weight loss facilitated by GLP-1 agonists in patients with PCOS–O is not well characterized. In this single-center retrospective study, we determined weight loss in patients with PCOS–O with GLP-1 monotherapy versus metformin. Methods In this brief report, electronic records of 183 adult patients with PCOS–O were reviewed between January 2020 and April 2021. We identified 12 and 19 patients that were treated with metformin and GLP-1 monotherapy respectively. One patient in each cohort had diabetes mellitus. Weights were reviewed at baseline (prior to therapy initiation) and at six-month follow-up. We analyzed change in weight from baseline and proportion with >5% and 10% weight loss using Fisher exact t-test and chi-square test. Univariate linear regression was used to identify correlations between treatment and weight loss. Results Baseline characteristics were similar between metformin (n = 12) and GLP-1 (n = 19) cohorts with the exception of mean days on medication. Following six months of treatment, mean weight loss was 4.9 kg (4.8%) and 9.1 kg (9.8%) in the metformin and GLP-1 cohorts (p = 0.13) respectively. Similar trends were seen in BMI with reductions of 1.8 kg/m2 (4.7%) and 3.5 kg/m2 (9.7%). A significantly greater proportion of patients achieved 5% and 10% weight loss with GLP-1 treatment (84.2% and 57.8%, p =…
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