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CMHC PULSE

Cardio Metabolic Health Congress – Official Blog

Inflammation and risk of T2DM: Insights from the CANTOS trial

Data from several studies have suggested that persistent low-grade inflammation has an important role in the pathophysiology of many cardiometabolic conditions. Inflammatory markers, such as interleukin-6 (IL-6) and high-sensitivity C-reactive protein (hs-CRP) have been associated with increased risk of cardiovascular adverse events, as well as insulin resistance and hyperglycemia. Canakinumab is a human monoclonal antibody that targets interleukin-1 (IL-1), which is upstream of IL-6 and hs-CRP, thereby decreasing IL-1 signaling and consequent inflammation. Last year, the authors of the CANTOS trial demonstrated that treatment with canakinumab led to the reduction of cardiovascular events independent of lipid levels in patients with prior myocardial infarction and high levels of hs-CRP (≥2 mg/L). The results of this landmark trial served as important proof-of-concept to support the inflammation hypothesis in the pathophysiology of atherothrombosis.

Because inflammation has been shown to play a role in insulin resistance, defective insulin secretion, and the development of type 2 diabetes in pre-clinical experiments and observational studies, authors of the CANTOS trial also tested the hypothesis that canakinumab treatment reduces the risk of incident type 2 diabetes (T2D). A key secondary endpoint of the CANTOS trial was to assess the effect of canakinumab in reducing the progression of prediabetes to diabetes by measuring the rates of new-onset T2D in prediabetic patients. To do so, the trial enrolled a total of 10,061 patients, out of which 4,057 (40.3%) had baseline diabetes, 4,960 (49.3%) had pre-diabetes, and 1,044 (10.4%) were normoglycemic. Results from this highly anticipated study were recently published in the Journal of the American College of Cardiology by Everett and colleagues.

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Fasting Diets Reduce Risk Factors for CVD

Intermittent energy restriction diets, such as the 5:2 diet fasting diet–during which five days of the week are normal eating days, while the other two restrict calories to 500-600 per day–clears fat from the blood quicker after eating meals than daily calorie restriction diets – reducing an important risk factor for cardiovascular disease, a new study in the British Journal of Nutrition reports.

In the first study of its kind, researchers from the University of Surrey examined the impact of the 5:2 diet on the body’s ability to metabolize, as well as clear fat and glucose after a meal and they compared it to the effects of weight-loss achieved by a more conventional daily calorie restriction diet. Previous studies in this field have predominantly focused on blood risk markers taken in the fasted state, which only tend to be, in for the minority of the time, overnight.

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