Evidence map›Paper›PMID 32492805›Full record

ArticleNutrients2020

Impact of Short-Term Isoflavone Intervention in Polycystic Ovary Syndrome (PCOS) Patients on Microbiota Composition and Metagenomics.

Christoph Haudum, Lisa Lindheim, Angelo Ascani, Christian Trummer, Angela Horvath, Julia Münzker, Barbara Obermayer-Pietsch

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Nutrients, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04593459 (Probiotic Dietary Intervention in Polycystic Ovary Syndrome), which is not on this map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
3.2field-weighted citation impact, top 7% of its field
1 · What the graph read from 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.

2 · The registry

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.

NCT04593459 phase4completednot on this map

Probiotic Dietary Intervention in Polycystic Ovary Syndrome (PCOS) - A Randomized Controlled Trial

TypeinterventionalSponsorMedical University of GrazRan2020 to 2023Enrolled112ConditionsPolycystic Ovary SyndromeArmsProbiotic, Metformin Hydrochloride, Probiotic Placebo
3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 46 citations in OpenAlex.

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  12. Gut bacteriome and mood disorders in women with PCOS.Human reproduction (Oxford, England) · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 2 countries.

Christoph HaudumDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Lisa LindheimDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Angelo AscaniDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Christian TrummerDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Angela HorvathDepartment of Internal Medicine, Division of Gastroenterology and Hepatology, Medical University Graz, 8010 Graz, Austria.
Julia MünzkerDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Barbara Obermayer-PietschDepartment of Internal Medicine, Division of Endocrinology and Diabetology, Medical University Graz, 8010 Graz, Austria.
Medical University of Graz · AT

Funding

Austrian Science Fund W1241Österreichische Forschungsförderungsgesellschaft FFG844609
6 · The paper itself

Abstract

backgroundPolycystic ovary syndrome (PCOS) affects 5-20% of women of reproductive age worldwide and is associated with disorders of glucose metabolism. Hormone and metabolic signaling may be influenced by phytoestrogens, such as isoflavones. Their endocrine effects may modify symptom penetrance in PCOS. Equol is one of the most active isoflavone metabolites, produced by intestinal bacteria, and acts as a selective estrogen receptor modulator.

methodIn this interventional study of clinical and biochemical characterization, urine isoflavone levels were measured in PCOS and control women before and three days after a defined isoflavone intervention via soy milk. In this interventional study, bacterial equol production was evaluated using the log(equol: daidzein ratio) and microbiome, metabolic, and predicted metagenome analyses were performed.

resultsAfter isoflavone intervention, predicted stool metagenomic pathways, microbial alpha diversity, and glucose homeostasis in PCOS improved resembling the profile of the control group at baseline. In the whole cohort, larger equol production was associated with lower androgen as well as fertility markers.

conclusionThe dynamics in our metabolic, microbiome, and predicted metagenomic profiles underline the importance of external phytohormones on PCOS characteristics and a potential therapeutic approach or prebiotic in the future.

Indexed as

MetagenomicsPhytotherapyAdultEquolFemaleGastrointestinal MicrobiomeGlucoseHumansIsoflavonesPolycystic Ovary SyndromeReceptors, EstrogenSoy MilkYoung AdultEquolGlucoseIsoflavonesReceptors, Estrogenandrogensequolglucose metabolismisoflavonemetagenomemicrobiomepolycystic ovary syndrome

Identifiers

PMID32492805
PMCPMC7656308
OpenAlexW3028893964

What OpenQuestion holds

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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.