Key result
GLP-1 receptor agonists consistently reduce MACE in type 2 diabetes regardless of baseline blood pressure.
Why the study?
It was unknown whether the cardioprotective and renal effects of GLP-1 receptor agonists are consistent across blood pressure categories in patients with type 2 diabetes at high cardiovascular risk.
Do the GLP-1 receptor agonists liraglutide and semaglutide reduce MACE and nephropathy consistently across baseline blood pressure categories in patients with type 2 diabetes at high cardiovascular risk?
Do the GLP-1 receptor agonists liraglutide and semaglutide reduce MACE and nephropathy consistently across baseline blood pressure categories in patients with type 2 diabetes at high cardiovascular risk?
Liraglutide and semaglutide provide consistent cardiorenal benefits in patients with type 2 diabetes at high cardiovascular risk, irrespective of their baseline blood pressure.
May support GLP-1 RA use across BP levels in high-risk T2D; extends RCT data without interaction but remains hypothesis-generating.
It is unknown if the cardioprotective and renal effects of glucagon-like peptide-1 receptor agonists are consistent across blood pressure (BP) categories in patients with type 2 diabetes and at high risk of cardiovascular events. Using data from the LEADER (9340 patients) and SUSTAIN 6 (3297 patients) trials, we evaluated post hoc the cardiorenal effect of liraglutide and semaglutide on major adverse cardiovascular events (MACE) and nephropathy by baseline BP categories using a Cox proportional hazards model (treatment and subgroup as factors; adjusted for cardiorenal risk factors). Data from the two trials were analysed separately. In the LEADER and SUSTAIN 6 trials, the prevalence of stage 1 hypertension was 30% and 31%, respectively, and of stage 2 hypertension 41% and 43%, respectively. There was no statistical heterogeneity across the BP categories for the effects of liraglutide (P = .06 for MACE; P = .14 for nephropathy) or semaglutide (P = .40 for MACE; P = .27 for nephropathy) versus placebo. This implies that liraglutide and semaglutide may be beneficial for patients with type 2 diabetes, irrespective of their baseline BP.
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Leiter et al. (2020) studied Type 2 diabetes and high cardiovascular risk (n=12,637). Liraglutide and semaglutide vs. Placebo was evaluated on First occurrence of major adverse cardiovascular events (MACE: CV death, non-fatal myocardial infarction, or non-fatal stroke) (p=.06 (liraglutide interaction); .40 (semaglutide interaction)). Liraglutide and semaglutide consistently reduced major adverse cardiovascular events in patients with type 2 diabetes irrespective of baseline blood pressure, with no significant interaction across blood pressure categories (P=0.06 for liraglutide and P=0.40 for semaglutide).
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