Clinical efficacy of SGLT2 inhibitors with different SGLT1/SGLT2 selectivity in cardiovascular outcomes among patients with and without heart failure: A systematic review and meta-analysis of randomized trials
Abstract
Background: Some sodium-glucose co-transporter-2 (SGLT2) inhibitors showed benefits on heart failure (HF), but different SGLT2/SGLT1 selectivity might influence the treatment effect. This study aimed to meta-analyze the treatment effects of SGLT2 inhibitors and the diversity of receptor selectivity for patients with and without HF.
Methods: Randomized controlled trials were searched in PubMed, Embase, Cochrane databases and ClinicalTrials.gov registry from inception to October 2020. The interest outcomes were analyzed with random-effects models and presented with a risk ratio (RR) and 95% confidence interval (CI). Subgroup analyses examined the treatment effects among SGLT2 inhibitors with different SGLT2/SGLT1 selectivity.
Results: The final analyses included 10 trials and 52,607 patients. The RR of total cardiovascular (CV) death or hospitalization for HF (HHF) between SGLT2 inhibitors and placebo was 0.79 (95% CI 0.74-0.84, I2 = 31%). With SGLT2 inhibitors, HF patients had reduced mortality risks (RR 0.89, 95% CI 0.80-0.99, I2 = 0), and non-HF patients had lower risks of major adverse CV events (RR 0.92, 95% CI 0.85-0.99, I2 = 0). The risk reduction of HHF was consistent in groups of HF (RR 0.72, 95% CI 0.64-0.80, I2 = 8%) and non-HF (RR 0.74, 95% CI 0.61-0.89, I2 = 0), but the effect of the low SGLT2/SGLT1 selectivity inhibitor was insignificant in non-HF patients.
Conclusion: The efficacy of SGLT2 inhibitors on risk reduction of total CV death or HHF is consistent with…
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: 52,607 participants or records.
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