Type 2 & other diabetes

Antidiabetic Medications and Bladder Cancer Risk in Type 2 Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Endocr PractPublished Systematic review and meta-analysis of randomised trials

Pooled result · Bladder cancerResult — go to the resultPooled odds ratio 0.90 95% CI 0.67–1.20

Authors' conclusion

This meta-analysis suggests that antidiabetic medications, including DPP-4i, GLP-1Ras, and SGLT-2i, are not significantly associated with BC risk in T2DM patients. These findings support the long-term safety profile of these medications.

Study context

Population
Patients with T2D in RCTs; databases searched up to 20 June 2025
Comparison
Antidiabetic medications vs placebo
Outcome
Bladder cancer
Methodological detailsrandom-effects model, subgroup analyses by drug class
  • Random-effects model
  • Subgroup analyses by drug class

Pooled result

As reported in the abstract

Pooled odds ratio

0.90

95% CI 0.67–1.20

Antidiabetic medicationsvs Placebo
pooled OR 0.90 (95% CI 0.67–1.20)

Further pooled results

OutcomeOR (95% CI)
BC risk by drug class (subgroup analyses)DPP-4ivs PlaceboI2 = 0.0%1.12 (0.67–1.85)
BC risk by drug class (subgroup analyses)GLP-1Rasvs PlaceboI2 = 0.0%0.72 (0.42–1.22)
BC risk by drug class (subgroup analyses)SGLT-2ivs PlaceboI2 = 0.0%0.79 (0.50–1.24)
BC risk by drug class (subgroup analyses)Pioglitazonevs Placebo2.37 (0.91–6.17)
  • Bladder cancer (BC) risk by drug class (subgroup analyses): thiazolidinediones; only one study; not statistically significant

BC risk by drug class (subgroup analyses)

No statistically significant associations by drug class

Original publication

Antidiabetic Medications and Bladder Cancer Risk in Type 2 Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Endocr Pract. Published 17 December 2025. doi:10.1016/j.eprac.2025.11.017

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