SynthesisEuropean journal of nutrition2020
Therapy with probiotics and synbiotics for polycystic ovarian syndrome: a systematic review and meta-analysis.
Synthesis in European journal of nutrition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 30 papers, 7 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
30 citing papers in PubMed, 7 syntheses or guidelines pooled it, 56 citations in OpenAlex.
- Gut microbiota, a new approach to management of polycystic ovary syndrome: a systematic review, meta-analysis and meta-evidence of 26 randomized controlled trials.Journal of ovarian research · 2026Pooled it
- Pooled it
- The effects of gut microbiome manipulation on glycemic indices in patients with non-alcoholic fatty liver disease: a comprehensive umbrella review.Nutrition & diabetes · 2024Pooled it
- Effects of synbiotics supplementation on anthropometric and lipid profile parameters: Finding from an umbrella meta-analysis.Frontiers in nutrition · 2023Pooled it
- The effects of pro-, pre-, and synbiotics supplementation on polycystic ovary syndrome: an umbrella review of meta-analyses of randomized controlled trials.Frontiers in nutrition · 2023Pooled it
- The effects of probiotics, prebiotics, and synbiotics on polycystic ovarian syndrome: an overview of systematic reviews.Frontiers in medicine · 2023Pooled it
- Pooled it
- Effect of Probiotic Supplementation on Reproductive Outcomes of Women With Polycystic Ovary Syndrome Who Are Candidates for Intrauterine Insemination: A Randomized, Double-Blind, Placebo-Controlled Trial.Endocrinology, diabetes & metabolism · 2026Trial
- Trial
- Trial
- Efficacy of multi-strain probiotic along with dietary and lifestyle modifications on polycystic ovary syndrome: a randomised, double-blind placebo-controlled study.European journal of nutrition · 2022Trial
- The cervicovaginal gut microbiota axis as a key determinant of systemic physiology.Gut microbes · 2026Review
- Gut Dysbiosis in Selected Gynecological Diseases Associated with Female Infertility: A Scoping Review.Journal of clinical medicine · 2026Review
- Targeting the gut microbiome: an integrated probiotic and prebiotic strategy for polycystic ovary syndrome management.Journal of ovarian research · 2026Review
- Hormonal Imbalance and Gut Dysbiosis: Emerging Perspectives in Women's Health.Probiotics and antimicrobial proteins · 2026Review
- The role of intestinal microbial metabolites in polycystic ovary syndrome: mechanistic insights and intervention prospects.Frontiers in endocrinology · 2026Review
- Nutritional and herbal interventions for polycystic ovary syndrome (PCOS): a comprehensive review of dietary approaches, macronutrient impact, and herbal medicine in management.Journal of health, population, and nutrition · 2025Review
- Gut microbiota: an emerging target connecting polycystic ovarian syndrome and insulin resistance.Frontiers in cellular and infection microbiology · 2025Review
- Gut Microbiota and Polycystic Ovary Syndrome (PCOS): Understanding the Pathogenesis and the Role of Probiotics as a Therapeutic Strategy.Probiotics and antimicrobial proteins · 2024Review
- Updates and Current Challenges in Reproductive Microbiome: A Comparative Analysis between Cows and Women.Animals : an open access journal from MDPI · 2024Review
Corrections and comments
- Erratum issued
Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveSeveral randomized controlled trials (RCTs) have investigated the use of probiotic/synbiotic in PCOS patients, without clarifying the real use in clinical practice. The aim of this meta-analysis was to evaluate the effectiveness of probiotics and synbiotics on metabolic, hormonal and inflammatory parameters of PCOS.
methodsElectronic databases (MEDLINE, Scopus, EMBASE, ScienceDirect, The Cochrane Database of Systematic Reviews and ClinicalTrials.gov) were searched from their inception until May 2019. The study protocol was registered in PROSPERO with number CRD42018111534. Randomized controlled trials (RCTs) of PCOS's women undergoing therapy at least 8 weeks with probiotics or synbiotics or without therapy were included. The primary outcomes were changes in anthropometric parameters, glucose/insulin metabolism, lipid profile, sex hormones profile, inflammation markers.
results587 patients were included in nine RCT. The administration of probiotic/synbiotic were associated with a significant improvement in FPG, FBI, HOMA I-R, BMI. It also modified Ferriman-Gallway, serum triglycerides, serum testosterone, hs-CRP, NO, TAC, GSH, and MDA. Subgroup analysis of the type of intervention showed that probiotics were associated with greater testosterone and FPG reduction; synbiotics administration resulted in a more pronounced decrease of the FBI. Subgroup analyses on the duration of therapy showed that, probiotic/synbiotic administration had a significantly greater effect on QUICK-I in the case of women with 12-weeks of therapy than in the 8-weeks therapy group. Nevertheless, we did not observe any significant difference was observed in terms of FBI, HOMA-IR, and FPG.
conclusionsProbiotics and synbiotics seem to either an effect on/influence metabolic, hormonal and inflammatory parameters, or can influence them. Consequently, it could lead to an improvement of fertility in PCOS.
Indexed as
Identifiers
What Socratic holds
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 Socratic graph.