Comparative effects of glucagon-like peptide-1 receptor agonists and sodium-glucose co-transporter-2 inhibitors on heart failure with preserved ejection fraction in diabetic patients: a meta-analysis
Abstract
Background: Heart failure with preserved ejection fraction (HFpEF) is common in type 2 diabetes mellitus (T2D), leading to high morbidity and mortality. Managing HFpEF in diabetic patients is challenging with limited treatments. Sodium-glucose co-transporter 2 (SGLT2) inhibitors and glucagon-like peptide-1 receptor agonists (GLP1-RA) have shown potential cardiovascular benefits. This meta-analysis compares the effects of GLP1-RA and SGLT2 inhibitors on HFpEF in T2D patients.
Methods: We conducted a meta-analysis of randomized controlled trials (RCTs) and observational studies evaluating GLP1-RA and SGLT2 inhibitors' impact on HFpEF in T2D patients. Databases searched included PubMed, MEDLINE, and Cochrane Library up to July 2024. Primary outcomes were changes in left ventricular ejection fraction (LVEF), myocardial fibrosis (extracellular volume fraction, ECV), and functional capacity (6-minute walk test, 6MWT). Secondary outcomes included HbA1c, body weight, and systolic blood pressure (SBP). RESULTS: Twelve studies with 3,428 patients (GLP1-RA: 1,654; SGLT2 inhibitors: 1,774) were included. Both GLP1-RA and SGLT2 inhibitors significantly improved LVEF compared to placebo (GLP1-RA: mean difference [MD] 2.8%, 95% confidence interval [CI] 1.5 to 4.1, p < 0.001; SGLT2 inhibitors: MD 3.2%, 95% CI 2.0 to 4.4, p < 0.001). SGLT2 inhibitors significantly reduced myocardial fibrosis (MD -3.5%, 95% CI -4.2 to -2.8, p < 0.001) more than GLP1-RA (MD -2.3%, 95% CI -3.0 to -1.6, p <…
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: 3,428 participants or records.
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