
ADA: Cardiovascular Benefits seen with Long-Term Metformin Use in Adults with Type 1 Diabetes
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ADA: Cardiovascular Benefits seen with Long-Term Metformin Use in Adults with Type 1 Diabetes
Results from the REMOVAL trial revealed reduction in the risk of cardiovascular disease among other benefits with metformin in type 1 diabetes patients.
Atherosclerosis leads to macrovascular complications in diabetes. These complications contribute to the majority of deaths in patients with diabetes. The use of metformin in previous studies have established a reduction in risk of cardiovascular disease in patients with type 2 diabetes. This is one of the reasons why metformin is currently recommended as first line therapy for these patients. However, it is only recommended for off label use in overweight or obese patients with type 1 diabetes to assist in weight loss and to decrease insulin dose requirements. Researchers wanted to investigate the potential use of metformin in patients with type 1 diabetes, to evaluate if these patients could also benefit from the reduction in risk of cardiovascular disease.
An international, double-blind study called the REducing with MetfOrmin Vascular Adverse Lesions (REMOVAL) study enrolled 493 participants over the age of 40 with a minimum of five year duration of type 1 diabetes and at least three cardiovascular risk factors. The ten defined risk factors in the study include known CVD, strong family history of CVD, diabetes duration > 20 years, a BMI 28 kg/m2, HbA1c > 8.0%, current smoker, microalbuminuria
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