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Risk of Urinary Tract Infection in Patients with Type 2 Diabetes Mellitus Treated with Dapagliflozin: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

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Abstract

Background and Objective

To investigate whether dapagliflozin (as a selective inhibitor of sodium-glucose cotransporter 2), increases the risk of urinary tract infection (UTI) in the treatment of type 2 diabetes mellitus (T2DM) remains an ongoing issue. We performed a systematic review and meta-analysis of randomized clinical trials (RCTs) to estimate the short-term and long-term risks of UTI in patients with T2DM who received dapagliflozin at different doses.

Methods

The PubMed, EMBASE, and the Cochrane Library and ClinicalTrials.gov website were searched up to December 31, 2022. Only RCTs involving adult T2DM patients with a trial duration of at least 12 weeks were included. The data were summarized using random- or fixed-effects models based on overall heterogeneity. A subgroup analysis was also performed. The review protocol was previously registered in the PROSPERO database (CRD42022299899).

Results

In total, 42 RCTs involving 35,938 patients were assessed for eligibility. The results showed that dapagliflozin imposed a higher risk of UTI compared to placebo and other active treatments, with a heterogeneity of 11% (odds ratio [OR] 1.17, 95% CI 1.04–1.31, p = 0.006). In the subgroup analysis, dapagliflozin 10 mg/day with a treatment period of > 24 weeks was associated with a significantly higher UTI risk than placebo or other active treatments (OR 1.27, 95% CI 1.13–1.43, p < 0.0001). The ORs for dapagliflozin as monotherapy and combination therapy in the control group were 1.05 (95% CI 0.88–1.25, p = 0.571) and 1.27 (95% CI 1.09–1.48, p = 0.008), respectively.

Conclusions

High-dose, long-term treatment, and add-on therapy of dapagliflozin call for careful consideration of the risk of UTI in T2DM patients.

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Correspondence to Xinxin Jiang.

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Z.G. contributed to conception and design, analysis, and wrote the manuscript. X.X. contributed to conception and design, interpretation of data, and the revision of the draft. D.H. contributed to statistical analysis of the data, and review/editing of the manuscript. J.C. contributed to study design, data collection and analysis. X.J. and Y.L. participated in data collection and interpretation. B.W. participated in design of the study and reviewed/edited the manuscript.

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Zheng, Z., He, D., Chen, J. et al. Risk of Urinary Tract Infection in Patients with Type 2 Diabetes Mellitus Treated with Dapagliflozin: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Clin Drug Investig 43, 209–225 (2023). https://doi.org/10.1007/s40261-023-01256-9

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