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Heart failure (HF) is a disease of great prevalence in the U.S. with an associated high morbidity and mortality. In individuals with concomitant chronic renal insufficiency (CRI), outcomes are even worse due to pharmaceutical under treatment and higher baseline levels of oxidative stress. Reactive oxygen species (ROS) are generated during mechanoenergetic uncoupling and can cause myocardial protein, lipid, and DNA damage, leading to the development of HF. One means of preventing the progression of HF may be through ROS reduction or an improvement in systemic or local oxidative stress handling. In this randomized, single blind placebo-controlled pilot study, we hypothesize that 12 weeks of treatment with oral pomegranate extract (POMx) will lead to a reduction in oxidative stress (as assessed by measuring thiobarbituric acid-reactive substances, F8-isoprostanes, and glutathione) in subjects (n=30) with cardiomyopathy (LVEF ≤40%) and CRI (GFR <60 ml/hr). Secondary aims include assessing the impact of POMx on myocardial remodeling and endothelial dysfunction by measuring serum collagen levels and asymmetric dimethylarginine, respectively. Findings from this study will serve as pilot data for a larger randomized trial of longer term POMx therapy in subjects with cardiomyopathy.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
POMx, pomegranate polyphenol extract, Sugar Pill
University of Michigan Health System
Not yet recruiting
University of Michigan
Published on BioPortfolio: 2014-08-27T03:14:39-0400
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A group of diseases in which the dominant feature is the involvement of the CARDIAC MUSCLE itself. Cardiomyopathies are classified according to their predominant pathophysiological features (DILATED CARDIOMYOPATHY; HYPERTROPHIC CARDIOMYOPATHY; RESTRICTIVE CARDIOMYOPATHY) or their etiological/pathological factors (CARDIOMYOPATHY, ALCOHOLIC; ENDOCARDIAL FIBROELASTOSIS).
A dehydrated extract of thyroid glands. After the removal of fat and connective tissue, the extract is dried or lyophilized to yield a yellowish to buff-colored amorphous powder containing 0.17-0.23% of iodine.
An autosomal dominant inherited form of HYPERTROPHIC CARDIOMYOPATHY. It results from any of more than 50 mutations involving genes encoding contractile proteins such as VENTRICULAR MYOSINS; cardiac TROPONIN T; ALPHA-TROPOMYOSIN.
Reversibly catalyzes the oxidation of a hydroxyl group of sugar alcohols to form a keto sugar, aldehyde or lactone. Any acceptor except molecular oxygen is permitted. Includes EC 1.1.1.; EC 1.1.2. and EC 1.1.99.
A dehydrated extract of thyroid glands from domesticated animals. After the removal of fat and connective tissue, the extract is dried or lyophilized to yield a yellowish to buff-colored amorphous powder containing 0.17-0.23% of iodine.
Nephrology - kidney function
Nephrology is a specialty of medicine and pediatrics that concerns itself with the study of normal kidney function, kidney problems, the treatment of kidney problems and renal replacement therapy (dialysis and kidney transplantation). Systemic conditions...