Bi-Directional Interactions between Glucose-Lowering Medications and Gut Microbiome in Patients with Type 2 Diabetes Mellitus: A Systematic Review

Ruolin Li, Fereshteh Shokri, Alejandro Lopez Rincon, Fernando Rivadeneira, Carolina Medina-Gomez, Fariba Ahmadizar*

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

9 Citations (Scopus)
23 Downloads (Pure)

Abstract

Background: 

Although common drugs for treating type 2 diabetes (T2D) are widely used, their therapeutic effects vary greatly. The interaction between the gut microbiome and glucose-lowering drugs is one of the main contributors to the variability in T2D progression and response to therapy. On the one hand, glucose-lowering drugs can alter gut microbiome components. On the other hand, specific gut microbiota can influence glycemic control as the therapeutic effects of these drugs. Therefore, this systematic review assesses the bi-directional relationships between common glucose-lowering drugs and gut microbiome profiles. 

Methods: 

A systematic search of Embase, Web of Science, PubMed, and Google Scholar databases was performed. Observational studies and randomised controlled trials (RCTs), published from inception to July 2023, comprising T2D patients and investigating bi-directional interactions between glucose-lowering drugs and gut microbiome, were included.

Results: 

Summarised findings indicated that glucose-lowering drugs could increase metabolic-healthy promoting taxa (e.g., Bifidobacterium) and decrease harmful taxa (e.g., Bacteroides and Intestinibacter). Our findings also showed a significantly different abundance of gut microbiome taxa (e.g., Enterococcus faecium (i.e., E. faecium)) in T2D patients with poor compared to optimal glycemic control. 

Conclusions: 

This review provides evidence for glucose-lowering drug and gut microbiome interactions, highlighting the potential of gut microbiome modulators as co-adjuvants for T2D treatment.

Original languageEnglish
Article number1572
JournalGenes
Volume14
Issue number8
DOIs
Publication statusPublished - 1 Aug 2023

Bibliographical note

Funding Information:
R.L. is supported by the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 860898 [FIDELIO]. C.M.-G. and F.R. are supported by ERC-Advanced Grant LEGENDARE [project No. 101021500].

Publisher Copyright:
© 2023 by the authors.

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