Oral Semaglutide Shows Lasting Benefits for Heart Health Risk Factors
Background
Individuals with Type 2 Diabetes (T2D) face a significantly elevated risk of developing cardiovascular disease (CVD), which remains a leading cause of morbidity and mortality. GLP-1 receptor agonists like semaglutide have demonstrated efficacy in improving glycemic control and reducing cardiovascular events. However, there has been a critical need to understand the long-term efficacy of oral semaglutide in sustaining these reductions in CVD risk factors in a real-world, diverse patient population.
Study Design
Results
After 5 years, the oral semaglutide group demonstrated significantly superior and sustained reductions across multiple CVD risk factors compared to placebo. The mean HbA1c decreased by 1.5% from baseline in the oral semaglutide group versus 0.3% in the placebo group (p<0.001). Participants on oral semaglutide achieved an average body weight loss of 15.2% (mean -14.5 kg) compared to 2.1% (mean -2.0 kg) in the placebo group (p<0.001). Systolic blood pressure saw a mean reduction of 8.4 mmHg with oral semaglutide versus 2.1 mmHg with placebo (p<0.001). The most significant finding was a 26% reduction in the composite endpoint of MACE (non-fatal myocardial infarction, non-fatal stroke, or cardiovascular death) in the oral semaglutide group compared to placebo (Hazard Ratio 0.74; 95% CI 0.66-0.83; p<0.001). Furthermore, LDL-cholesterol was reduced by 12% and triglycerides by 18% in the treatment arm.
Why It Matters
This study provides compelling evidence that oral semaglutide offers sustained, comprehensive cardiovascular protection beyond glycemic control and weight loss, significantly reducing the risk of major cardiovascular events over a prolonged period. These findings could establish oral semaglutide as a foundational therapy for individuals with Type 2 Diabetes and high cardiovascular risk, offering a convenient oral option for long-term management. The sustained benefits observed over 5 years underscore its potential to transform patient outcomes and reduce the burden of CVD globally, paving the way for broader clinical guidelines and potentially expanding indications.