Cardiovascular, Kidney, and Safety Outcomes With GLP-1 Receptor Agonists Alone and in Combination With SGLT2 Inhibitors in Type 2 Diabetes: A Systematic Review and Meta-Analysis
Abstract
BACKGROUND: GLP-1 (glucagon-like peptide-1) receptor agonists and SGLT2 (sodium-glucose cotransporter 2) inhibitors both improve cardiovascular and kidney outcomes in people with type 2 diabetes. We conducted a systematic review and meta-analysis to assess the effects of GLP-1 receptor agonists on clinical outcomes with and without SGLT2 inhibitors. METHODS: We searched MEDLINE and Embase databases from inception until July 12, 2024, for randomized, double-blind, placebo-controlled outcome trials of GLP-1 receptor agonists in type 2 diabetes that reported treatment effects by baseline use of SGLT2 inhibitors, with findings supplemented by unpublished data. We estimated treatment effects by baseline SGLT2 inhibitor use using inverse variance-weighted meta-analysis. The main cardiovascular outcomes were major adverse cardiovascular events (nonfatal myocardial infarction, stroke, or cardiovascular death) and hospitalization for heart failure. Kidney outcomes included a composite of ≥50% reduction in estimated glomerular filtration rate, kidney failure or death caused by kidney failure, and annualized rate of decline in estimated glomerular filtration rate (estimated glomerular filtration rate slope). Serious adverse events and severe hypoglycemia were also evaluated. This meta-analysis was registered on the International Prospective Register of Systematic Reviews (PROSPERO; CRD42024565765). RESULTS: We identified 3 trials with 1743 of 17 072 (10.2%) participants with type 2…
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