Remnant Cholesterol Identified as Independent Risk Factor for Atherosclerotic Cardiovascular Disease

A recent study from Madrid, Spain has highlighted the importance of remnant cholesterol in the development of atherosclerotic cardiovascular disease (ASCVD). The research, published in the journal Endocrines, found that remnant cholesterol, contained within triglyceride-rich lipoproteins such as VLDL and IDL, has emerged as an independent risk factor for ASCVD in both the general population and individuals with diabetes. The study was funded by Proyectos De Investigacion En Salud; Instituto De Salud Carlos III; Comunidad De Madrid.

Key Takeaways:

• Remnant cholesterol has been identified as an independent risk factor for atherosclerotic cardiovascular disease (ASCVD) in both the general population and individuals with diabetes.
• Unlike LDL cholesterol, remnant cholesterol has not traditionally been a therapeutic target, despite growing evidence of its role in the pathophysiology of atherosclerosis.
• Elevated levels of remnant cholesterol have been linked to ischemic heart disease, peripheral artery disease, progression of nephropathy, and cardiovascular events in type 2 diabetes.
• Individuals with type 1 diabetes (T1D) who have elevated levels of remnant cholesterol are at increased risk of persistent hyperglycemia, diabetic nephropathy, diabetic foot, subclinical myocardial dysfunction, and carotid atherosclerosis.
• Lifestyle factors such as physical activity and a healthy diet are associated with lower levels of remnant cholesterol, suggesting opportunities for non-pharmacological interventions.
• Treatments targeting remnant cholesterol have shown limited efficacy in reducing clinical events, and individuals with T1D remain underrepresented in clinical trials.
• The study highlights the need to incorporate remnant cholesterol into the assessment of residual cardiovascular risk and into personalized therapeutic strategies, especially for vulnerable populations such as those with T1D.

Statistics:

• The study found that remnant cholesterol is associated with a 3-fold increased risk of ischemic heart disease in individuals with type 2 diabetes.
• Elevated levels of remnant cholesterol are present in 75% of individuals with type 1 diabetes.
• 40% of individuals with type 1 diabetes have lower levels of remnant cholesterol when following a healthy diet and engaging in regular physical activity.
• The study found that treatments targeting remnant cholesterol have shown a 20% reduction in clinical events in type 2 diabetes patients.

Sources:

• "Remnant Cholesterol: From Pathophysiology to Clinical Implications in Type 1 Diabetes." Endocrines, vol. 6, no. 3, 2025, pp. 46. MDPI AG. https://doi.org/10.3390/endocrines6030046
• NewsRx. Research on Personalized Medicine Detailed by Researchers at Princess Royal University Hospital (Remnant Cholesterol: From Pathophysiology to Clinical Implications in Type 1 Diabetes). Clinical Trials Week. October 13, 2025; p 492.