Non-Pharmacological Interventions Aimed at Changing the Gut Microbiota for Preventing the Progression of Diabetic Kidney Disease.

Authors

Małgorzata Szczuko, Anna Grudniewska, Anna Durma, Robert Małecki, Izabela Filipczyńska, Edward Franek, Karolina Kędzierska-Kapuza

Published in

Nutrients. Volume 17. Issue 13. Jun 25, 2025. Epub Jun 25, 2025.

Abstract

Diabetic kidney disease (DKD) affects 20-50% of individuals with diabetes. The aim of this review was to identify interventions that positively influence the gut microbiota in DKD.
Identification of relevant studies was conducted via a systematic search of databases and registers using the PRISMA guidelines. This review examined the relevant literature published up to 5 January 2025, using a systematic search in PubMed and Scopus. The search was conducted with combinations of keywords including DKD and therapy, supplementation and gut microbiota, and supplementation or probiotics or fecal microbiota transplant. The initial search fielded 132 results from PubMed and 72 from Scopus, which was narrowed to 135 relevant studies. The exclusion criteria included non-English language studies, letters to the editor, and conference abstracts. Eligible studies were independently assessed by a minimum of three authors, with discrepancies resolved through consensus.
Gut microbiota-targeted interventions, including probiotics, synbiotics, and dietary modifications, show promise in modulating the gut microbiota, but evidence specific to DKD remains limited. Some natural food components such as polyphenols and anthocyanins modulate the composition of the gut microbiota translocation of uremic toxins, which slows down the progression of diabetic kidney disease. In animal models, fecal microbiota transplantation (FMT) has shown positive effects in regulating dysbiosis and beneficial effects in chronic kidney disease, but studies involving humans with DKD are insufficient.
Lactobacillus and Bifidobacterium strains, administered at doses ranging from 0.6 to 90 billion CFU, may help lower urea and creatinine levels, but outcomes vary by disease stage, duration of therapy, and amount used. High-fiber diets (>10.1 g/1000 kcal/day) and supplements such as resistant starch and curcumin (400-1500 mg/day) may reduce uremic toxins through gut microbiota modulation and reduction in oxidative stress. The effect of sodium butyrate requires further human studies.

PMID:
40647217
Bibliographic data and abstract were imported from PubMed on 13 Jul 2025.

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