Rheumatoid arthritis

Risk of urinary tract infections associated with SGLT2 inhibitor use in patients with RA: a target trial emulation study

Rheumatology (Oxford)Published Target trial emulation study

Authors' conclusion

Among RA patients with DM, SGLT2i use may inherently increase the risk of UTI compared with other antidiabetics.

Study context

Population
RA patients aged ≥18 years with type 2 diabetes mellitus (DM), administrative claim database, April 2015 to April 2023Population 2
Participants
9,772 patients
Exposure
SGLT2i vs other antidiabetic drugs
Outcome
UTI, defined using diagnostic code and antibiotic prescription
Methodological detailsadministrative claim database, intention-to-treat and as-treated analyses, quasi-Poisson regression (ITT), Poisson mixed-effects models (as-treated (AT))
  • Administrative claim database
  • Intention-to-treat and as-treated analyses
  • quasi-Poisson regression (ITT)
  • Poisson mixed-effects models (AT)

Main finding

As reported in the abstract

UTI
  • ITT analysis showed no significant difference between SGLT2i and other antidiabetic drug
  • Intention-to-treat and as-treated analyses
  • 2269 urinary tract infection (UTI) events in 1373 patients during a mean 34-month follow-up

Observational data: associations, not effects.

Further findings

SGLT2i-daily GC dose interaction

Not significant in either model

Annual trends in diabetes medication (Population 1)

Population 1 patients
26 754
SGLT2i prescriptions notably increased, while traditional diabetes medications decreased

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Risk of urinary tract infections associated with SGLT2 inhibitor use in patients with RA: a target trial emulation study. Rheumatology (Oxford). Published 4 November 2025. doi:10.1093/rheumatology/keaf580

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