Topiramate Plus Metformin Effective for Weight Loss in PCOS


TOPLINE:

In women with polycystic ovary syndrome (PCOS) and with obesity or overweight, the combination of topiramate and metformin along with a low-calorie diet can result in effective weight loss and improve androgen levels, lipid levels, and psychosocial scores, without any serious adverse events.

METHODOLOGY:

  • Topiramate is often used off-label for weight loss and may be a promising option added to a metformin regimen to improve cardiometabolic and reproductive health in women with PCOS and obesity or overweight when lifestyle changes alone fall short.
  • This double-blind trial conducted at Hospital de Clínicas de Porto Alegre in Porto Alegre, Brazil, evaluated the effects of adding topiramate to metformin in 61 women aged 14-40 years with PCOS and body mass index (BMI) ≥ 30 or BMI ≥ 27 with concurrent hypertension, type 2 diabetes, or dyslipidemia.
  • All participants were prescribed a 20 kcal/kg diet, as well as desogestrel for contraception during the study, and either started on 850 mg metformin or continued with their existing metformin regimen.
  • They were randomly assigned to receive either topiramate or placebo (25 mg for 15 days and then 50 mg at night) along with metformin, with dose adjustments based on weight loss at 3 months.
  • The primary outcome was the percent change in body weight from baseline, and the secondary outcomes included changes in clinical, cardiometabolic, and hormonal parameters and psychosocial features at 3 and 6 months.

TAKEAWAY:

  • Topiramate combined with metformin resulted in greater mean weight loss at 3 months (−3.4% vs −1.6%; P = .03) and 6 months (−4.5% vs −1.4%; P = .03) than placebo plus metformin.
  • Both treatment groups showed improvements in androgen and lipid levels and psychosocial scores, while the levels of C-reactive protein decreased only in the topiramate plus metformin group.
  • Women who experienced ≥ 3% weight loss at 6 months showed a significant improvement in hirsutism scores (change in modified Ferriman-Gallwey scores, 8.4-6.5), unlike those who experienced
  • Paresthesia was more common in the topiramate plus metformin group than in the metformin plus placebo group (23.3% vs 3.2%), but no serious adverse events were reported.

IN PRACTICE:

“In the era of new effective drugs for treating obesity, topiramate with metformin can be an option for women with obesity and PCOS, considering its low cost, reports of long-term experience with this medication, and ease to use,” the authors wrote.

SOURCE:

The study was led by Lucas Bandeira Marchesan, Gynecological Endocrinology Unit, Division of Endocrinology, Hospital de Clínicas de Porto Alegre, and was published online in The Journal of Clinical Endocrinology & Metabolism.

LIMITATIONS:

The small sample size and high attrition rates were major limitations of this study. Increasing the topiramate dose at 3 months in those with

DISCLOSURES:

The study was supported by research grants from the Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil, and Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul, Brazil. The authors declared no conflicts of interest.

This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.



Source link : https://www.medscape.com/viewarticle/topiramate-plus-metformin-effective-weight-loss-pcos-2024a1000k5f?src=rss

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Publish date : 2024-11-05 09:30:32

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