Among adults with type 2 diabetes and heart disease, tirzepatide was associated with a 16% lower risk of death from any cause over four years compared to dulaglutide, based on statistical analysis of...
Mechanism
Synthesis from 1 study
Tirzepatide helps the body control blood sugar better and lose more weight than dulaglutide. This lowers fat, pressure, and bad fats in the blood, which makes the heart and arteries work more smoothly. Over time, this reduces the chance of deadly heart problems or other complications, helping...
Most probable mechanism
Tirzepatide helps the body use insulin better, lowers blood sugar, and makes people lose weight. This reduces fat around organs, lowers bad fats in the blood, and decreases pressure on the heart and blood vessels. As a result, the heart and arteries work better, making it less likely for someone to die from heart problems or other causes.
Tirzepatide binds to and activates GLP-1 and GIP receptors on pancreatic beta cells
Receptor activation increases glucose-dependent insulin secretion and suppresses glucagon release
Improved glycemic control reduces oxidative stress and endothelial dysfunction
Activation of GLP-1 and GIP receptors in adipose tissue and hypothalamus reduces appetite and increases satiety
Weight loss reduces visceral adiposity, systemic inflammation, and adipokine dysregulation
Improved lipid profile and lower blood pressure reduce atherogenic plaque formation and vascular inflammation
Collective metabolic improvements reduce arterial stiffness, improve endothelial function, and stabilize atherosclerotic plaques
Reduced cardiac workload and improved myocardial efficiency lower risk of myocardial infarction and heart failure
Evidence from Studies
Supporting (1)
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Cardiovascular Outcomes with Tirzepatide versus Dulaglutide in Type 2 Diabetes.
Contradicting (0)
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Gold Standard Evidence Needed
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