{"title":"Comparative gastrointestinal adverse effects of GLP-1 receptor agonists and multi-target analogs in type 2 diabetes: a Bayesian network meta-analysis.","authors":"Xingmiao Xie, Shuiyuan Yang, Shuzhen Deng, Yuying Liu, Zhibin Xu, Binghong He","doi":"10.3389/fphar.2025.1613610","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>This study aims to evaluate and compare the gastrointestinal adverse effects associated with different GLP-1 receptor agonists (GLP-1RAs) and multi-target analogs in patients with type 2 diabetes mellitus (T2DM) using a Bayesian network meta-analysis.</p><p><strong>Methods: </strong>A systematic search of PubMed, Embase, Cochrane Library, and ClinicalTrials.gov was conducted to identify randomized controlled trials (RCTs) assessing the gastrointestinal adverse events of GLP-1RAs in T2DM patients. Inclusion criteria included adult patients with confirmed T2DM receiving any GLP-1RA, with the outcomes focused on gastrointestinal adverse events such as nausea, vomiting, diarrhea, constipation, dyspepsia, and reduced appetite. Bayesian network meta-analysis was used to calculate the odds ratios (ORs) and 95% confidence intervals (CIs) for the comparison of gastrointestinal side effects among different GLP-1RAs.</p><p><strong>Results: </strong>A total of 48 RCTs involving 27,729 participants were included in the analysis. The overall incidence of gastrointestinal adverse events was 11.66%, with nausea being the most frequent (21.49%) and reduced appetite the least frequent (5.49%). Tirzepatide had the highest risk of inducing nausea and diarrhea, while dulaglutide and lixisenatide had the lowest risks. Exenatide exhibited the highest incidence of vomiting, while dulaglutide showed a lower risk. Semaglutide demonstrated a significantly higher risk of diarrhea compared to other GLP-1RAs.</p><p><strong>Conclusion: </strong>This study highlights significant differences in the gastrointestinal adverse event profiles of various GLP-1RAs. Tirzepatide exhibited the highest risk of gastrointestinal side effects, whereas dulaglutide and exenatide showed relatively better tolerability. These findings provide valuable insights for clinicians to make informed treatment decisions, emphasizing the importance of individualized therapy based on patient tolerance.</p><p><strong>Systematic review registration: </strong>CRD42024592308.</p>","PeriodicalId":12491,"journal":{"name":"Frontiers in Pharmacology","volume":"16 ","pages":"1613610"},"PeriodicalIF":4.8000,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12491879/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Frontiers in Pharmacology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.3389/fphar.2025.1613610","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q1","JCRName":"PHARMACOLOGY & PHARMACY","Score":null,"Total":0}
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Abstract
Objective: This study aims to evaluate and compare the gastrointestinal adverse effects associated with different GLP-1 receptor agonists (GLP-1RAs) and multi-target analogs in patients with type 2 diabetes mellitus (T2DM) using a Bayesian network meta-analysis.
Methods: A systematic search of PubMed, Embase, Cochrane Library, and ClinicalTrials.gov was conducted to identify randomized controlled trials (RCTs) assessing the gastrointestinal adverse events of GLP-1RAs in T2DM patients. Inclusion criteria included adult patients with confirmed T2DM receiving any GLP-1RA, with the outcomes focused on gastrointestinal adverse events such as nausea, vomiting, diarrhea, constipation, dyspepsia, and reduced appetite. Bayesian network meta-analysis was used to calculate the odds ratios (ORs) and 95% confidence intervals (CIs) for the comparison of gastrointestinal side effects among different GLP-1RAs.
Results: A total of 48 RCTs involving 27,729 participants were included in the analysis. The overall incidence of gastrointestinal adverse events was 11.66%, with nausea being the most frequent (21.49%) and reduced appetite the least frequent (5.49%). Tirzepatide had the highest risk of inducing nausea and diarrhea, while dulaglutide and lixisenatide had the lowest risks. Exenatide exhibited the highest incidence of vomiting, while dulaglutide showed a lower risk. Semaglutide demonstrated a significantly higher risk of diarrhea compared to other GLP-1RAs.
Conclusion: This study highlights significant differences in the gastrointestinal adverse event profiles of various GLP-1RAs. Tirzepatide exhibited the highest risk of gastrointestinal side effects, whereas dulaglutide and exenatide showed relatively better tolerability. These findings provide valuable insights for clinicians to make informed treatment decisions, emphasizing the importance of individualized therapy based on patient tolerance.
期刊介绍：
Frontiers in Pharmacology is a leading journal in its field, publishing rigorously peer-reviewed research across disciplines, including basic and clinical pharmacology, medicinal chemistry, pharmacy and toxicology. Field Chief Editor Heike Wulff at UC Davis is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide.
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