SGLT2 inhibitors and risk of stroke in patients with type 2 diabetes: A systematic review and meta-analysis
Abstract
The effects of sodium-glucose cotransporter 2 (SGLT2) inhibitors on risk of stroke have not been conclusively established. Therefore, we conducted a meta-analysis to evaluate the effects of SGLT2 inhibitors on stroke risk in patients with type 2 diabetes mellitus (T2DM) by searching available randomized trials in PubMed, Embase, CENTRAL, Web of Science, Scopus and ClinicalTrials.gov databases. We identified 32 eligible trials involving 75 540 participants. The incidence of stroke in groups receiving SGLT2 inhibitor monotherapy or combination therapy did not differ significantly from that in control groups, with a relative risk (RR) of 1.01 and 1.0, respectively. Three SGLT2 inhibitors were tested, with similar RR values (canagliflozin [RR, 0.91], dapagliflozin [RR, 0.99] and empagliflozin [RR, 1.03]). Subgroup analyses showed that RR values were not affected by gender, age, diabetes duration, BMI or HbA1C levels, but Black patients had a lower incidence of stroke than White or Asian patients. This meta-analysis indicated that SGLT2 inhibitor therapy did not increase stroke incidence, and no significant differences in stroke risk were observed among 3 SGLT2 inhibitors (class effect). However, the small racial disparity requires further study and confirmation.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 75 participants or records.
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