ReviewEuropean journal of endocrinology2010
Metformin: an old medication of new fashion: evolving new molecular mechanisms and clinical implications in polycystic ovary syndrome.
Review in European journal of endocrinology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05952882 (Effectiveness of the Combination Liraglutide and Metformin on Weight Loss, Metabolic - Endocrine Parameters and Pregnancy Rate in Women With Polycystic Ovarian Syndrome, Obesity and Infertility), which is not on this map. Cited by 76 papers, 8 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Effectiveness of the Combination Liraglutide and Metformin on Weight Loss, Metabolic - Endocrine Parameters and Pregnancy Rate in Women With Polycystic Ovarian Syndrome, Obesity and Infertility
Who cites it
76 citing papers in PubMed, 8 syntheses or guidelines pooled it, 247 citations in OpenAlex.
- The safety and efficacy of liraglutide combined with metformin in clinical treatment of polycystic ovary syndrome patients: a meta-analysis.BMC women's health · 2025Pooled it
- The Effectiveness and Safety of Exenatide Versus Metformin in Patients with Polycystic Ovary Syndrome: A Meta-Analysis of Randomized Controlled Trials.Reproductive sciences (Thousand Oaks, Calif.) · 2023Pooled it
- The effectiveness and safety of liraglutide in treating overweight/obese patients with polycystic ovary syndrome: a meta-analysis.Journal of endocrinological investigation · 2022 · on this mapPooled it
- Mapping research trends of insulin resistance in polycystic ovary syndrome from 2017 to 2021: A bibliometric analysis.Frontiers in endocrinology · 2022Pooled it
- Metformin for ovulation induction (excluding gonadotrophins) in women with polycystic ovary syndrome.The Cochrane database of systematic reviews · 2019 · on this mapPooled it
- Insulin-sensitising drugs (metformin, rosiglitazone, pioglitazone, D-chiro-inositol) for women with polycystic ovary syndrome, oligo amenorrhoea and subfertility.The Cochrane database of systematic reviews · 2017 · on this mapPooled it
- Effects of metformin on pregnancy outcomes in women with polycystic ovary syndrome: A meta-analysis.Medicine · 2016Pooled it
- The efficacy of metformin in pregnant women with polycystic ovary syndrome: a meta-analysis of clinical trials.Journal of endocrinological investigation · 2013Pooled it
- The effect of metformin and myoinositol on metabolic outcomes in women with polycystic ovary syndrome: role of body mass and adiponectin in a randomized controlled trial.Journal of endocrinological investigation · 2022Trial
- Canagliflozin combined with metformin versus metformin monotherapy for endocrine and metabolic profiles in overweight and obese women with polycystic ovary syndrome: A single-center, open-labeled prospective randomized controlled trial.Frontiers in endocrinology · 2022Trial
- Effect of metformin versus metformin plus liraglutide on gonadal and metabolic profiles in overweight patients with polycystic ovary syndrome.Frontiers in endocrinology · 2022Trial
- Trial
- Metformin induces lipid changes on sphingolipid species and oxidized lipids in polycystic ovary syndrome women.Scientific reports · 2019Trial
- Comparison of glycemic control and β-cell function in new onset T2DM patients with PCOS of metformin and saxagliptin monotherapy or combination treatment.BMC endocrine disorders · 2018Trial
- Short-term effectiveness of low dose liraglutide in combination with metformin versus high dose liraglutide alone in treatment of obese PCOS: randomized trial.BMC endocrine disorders · 2017 · on this mapTrial
- Comparison of Drospirenone- with Cyproterone Acetate-Containing Oral Contraceptives, Combined with Metformin and Lifestyle Modifications in Women with Polycystic Ovary Syndrome and Metabolic Disorders: A Prospective Randomized Control Trial.Chinese medical journal · 2016Trial
- Short-term combined treatment with liraglutide and metformin leads to significant weight loss in obese women with polycystic ovary syndrome and previous poor response to metformin.European journal of endocrinology · 2014 · on this mapTrial
- In vitro and in vivo effects of metformin on human adipose tissue adiponectin.Obesity facts · 2011Trial
- Therapeutic Potential of Anti-Obesity Drugs in Obesity-Associated Female Reproductive Dysfunction: Translating Mechanistic Evidence into Personalized Clinical Strategies.Medicina (Kaunas, Lithuania) · 2026Review
- Exosomes for Polycystic Ovary Syndrome Treatment: Mechanisms and Therapeutic Potential.International journal of nanomedicine · 2026Review
16 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polycystic ovary syndrome (PCOS) is now recognized to be the most common endocrinopathy in women of reproductive age with a prevalence of 6.6-6.8%. PCOS, a syndrome of unknown etiology, was initially regarded as a reproductive disorder. However, in the last 15 years the role of insulin resistance (IR) has been identified as a significant contributor to the pathogenesis of PCOS, and the metabolic and cardiovascular sequelae of the syndrome have been increasingly appreciated. The coexistence and interaction of reproductive and cardiometabolic abnormalities in the context of PCOS have created a need for a modified therapeutic management of affected women. Insulin sensitizers, particularly metformin, have been introduced as a pharmaceutical option targeting not only IR, but several other aspects of the syndrome, including reproductive abnormalities. The landscape of the multifaceted actions of metformin evolves to broaden the therapeutic implications of this old drug in a new fashion for patients with PCOS. Most recently, the spectrum of metformin's targets has been expanded, and molecular studies have explored the tissue-specific mechanisms of metformin in the liver, the muscle, the endothelium, and the ovary. The use of metformin in pregnant women with PCOS comprises another scarcely explored, but promising area of research. This review attempts to cover the spectrum of metformin's cellular actions in different tissues and to summarize the current literature regarding the potential medical value of this medication in PCOS. Even if many of these actions are individually modest, they seem to be collectively sufficient to confer therapeutic benefits not only in cardiometabolic aspects but also in reproductive aspects of PCOS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.