Abstract: • Women with type 2 diabetes and ethnic minorities remain underrepresented across multiple GLP-1RA cardiovascular outcome trials. • GLP-1 receptor agonists significantly reduced MACE in both males and females with type 2 diabetes, among Asians and Whites, and in Asia and Europe. • There was no statistical difference in the reduction of MACE by GLP-1RAs among Blacks and Hispanics. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) have been pivotal in the management of type 2 diabetes mellitus (T2DM) and in the reduction of major adverse cardiovascular events (MACE). Notably, large cardiovascular outcomes trials (CVOTs) demonstrate significant disparities in inclusion, based on sex, race, ethnicity, and geographical regions. We examined the impact of GLP-1RA on MACE in patients with or without T2DM, based on sex, race, ethnicity, and geography. A literature search for placebo controlled randomized controlled trials on GLP-1RA treatment was conducted. Thorough data extraction and quality assessment were carried out, focusing on key outcome, and ensuring a robust statistical analysis using a random effects model to calculate log odds ratio (OR) with 95% confidence intervals (CIs). A total of 8 CVOTs comprising 71,616 patients were included. Compared with placebo, GLP-1RAs significantly reduced MACE in both sexes (females: logOR -0.19, (95% CI, -0.28 to -0.10), p < 0.01) versus (males: logOR -0.17, (95% CI, -0.23 to -0.10), p < 0.01), (p interaction NS), and among Asians (logOR -34 (95% CI, -0.53 to -0.15), p < 0.01), and Whites (logOR -17 (95% CI, -0.25 to -0.09), p < 0.01), with no difference in MACE among Blacks and Hispanics. Odds of MACE were also reduced in Asia (logOR -31 (95% CI, -0.50 to -0.11), p < 0.01), and Europe (logOR -27 (95% CI, -0.40 to -0.13), p < 0.01), but there was no statistical difference in MACE in North America and Latin America. Significant reductions in MACE with GLP-1RA treatment were demonstrated between both sexes and across certain ethnicities and certain geographical regions. [ABSTRACT FROM AUTHOR]
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