Clinical Research Directory

Short Interval Resveratrol Trial in Cardiovascular Surgery

Sponsor: MaineHealth

Summary

Major Problem People with diabetes have an increased risk of heart disease, heart failure, and death from a cardiovascular cause. Diabetes prevents efficient metabolism of fuel, causes inflammation and vascular disease that blocks normal blood flow, and inhibits the function of the heart after injury. These changes make diabetics more susceptible to heart attacks and heart failure. Resveratrol is found in grapes and red wine and has been shown to have beneficial effects in diabetic patients. In previous studies the investigators have shown that resveratrol can improve heart metabolism and function in pigs with diabetes and chronic lack of blood flow to the heart. Questions The investigators believe resveratrol will help reverse the negative effects of diabetes on the heart. The questions are: 1.How does the molecular machinery in the hearts of patients with diabetes differ from patients without diabetes? 2.Will resveratrol have an effect on heart metabolism, intracellular signaling, inflammation and blood vessel function? 3.Will resveratrol improve the number and function of cardiac stem cells, cells involved in heart repair? The investigators have been safely collecting tissue from the hearts of patients undergoing heart surgery. Preliminary studies show the investigators can isolate and study cells. The investigators have collected and assessed the function of endothelial cells, a measure of vascular health and can measure the level of endothelial injury and have studied the make-up of caveolae, structures on the cell membrane that are important for cell signaling and are negatively impacted by diabetes. This study is a unique collaboration among cardiologists, cardiac surgeons, and basic scientists.

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