Abstract
AimsA systematic review and meta-analysis was conducted to evaluate the clinical efficacy and safety of sodium-glucose cotransporter 2 (SGLT2) inhibitors in patients with type 2 diabetes (T2D) and moderate renal function impairment. MethodsEmbase, Medline, and Cochrane Central were searched, and randomized controlled trials comparing SGLT2 inhibitors to placebos and other drugs for T2D were collected. ResultsSeven RCTs with a total of 3307 participants were included, and the overall bias was low. In the patients with T2D and moderate renal function impairment (30 ml/min/1.73 m2 ≤ estimated glomerular filtration rate (eGFR) <60 ml/min/1.73 m2) compared with the placebo, SGLT2 inhibitors improved HbA1c significantly (WMD, −0.23%; 95% CI: −0.38 to −0.08), presented a lower incidence of hypoglycemia (30.1% vs. 34.6%; RR, 0.85; 95% CI: 0.76 to 0.96), led to the reduction of eGFR (WMD, −1.74 ml/min/1.73 m2; 95% CI: −3.45 to −0.03), resulted in an obvious reduction in body weight (WMD, −1.45 kg; 95% CI: −2.01 to −0.89), and presented a similar risk of urinary tract infection and genital infection. ConclusionsSGLT2 inhibitors are safe, but mildly reduce the HbA1c level. The clinical significance of SGLT2 inhibitors in the target population was limited.
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