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Coenzyme Q-10 and Pulmonary Arterial Hypertension

2014-08-27 03:12:43 | BioPortfolio

Summary

The purpose of this study is to evaluate the effects of Coenzyme Q-10, an antioxidant, in the treatment of pulmonary hypertension.

Description

Abnormalities in the blood vessels in the lung are the hallmark of pulmonary hypertension. Links between increased free radical production, mitochondrial dysfunction and pulmonary hypertension have been studied but are poorly understood. The mitochondria of cells is the location where cellular energy is created and free radicals are atoms or groups of atoms with an odd (unpaired) number of electrons and can be formed when oxygen interacts with certain molecules. Once formed these reactive radicals can start a chain reaction, like dominoes. Their chief danger comes from the damage they can do when they react with important cellular components. Cells may function poorly or die if this occurs. The body produces free radicals in the normal course of energy production and in pulmonary hypertension, free radical production is found to be increased. To prevent free radical damage the body has a defense system of antioxidants. Coenzyme Q-10 is an antioxidant and it helps to protect cells from damage caused by the body's own free radicals. By providing oral supplementation of coenzyme Q-10, free radical levels will be decreased and cellular functioning in the pulmonary blood vessels may improve and even return to near normal functioning.

The purpose of this study is to evaluate the effects of coenzyme Q-10, an antioxidant, in the treatment of pulmonary hypertension. We will assess coenzyme Q-10 supplementation in the treatment of pulmonary hypertension by clinical measurements and blood levels of certain cellular components. We would like to assess the effects of coenzyme Q-10 on the pulmonary vessels by measuring the lung diffusing capacity (a breathing test) and exhaled Nitric Oxide (NO) (a substance in the body that relaxes or dilates blood vessels). We will also measure endothelial progenitor cells (cells from the bone marrow) from a blood sample; these cells are markers of measure of blood vessel formation and repair. We will also measure the activity of superoxide dismutase (a protein in cells that executes the breakdown of a free radical into oxygen and hydrogen peroxide) in the blood. In addition, we will measure levels of coenzyme Q-10 in the blood. Other markers of disease response to therapy will be done including physical exam, BNP level (a blood marker that correlates with heart function), 6-minute walk and echocardiography (ultrasound of the heart). A total of 60ml (5 tablespoons) of blood will be drawn at each visit.

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Pulmonary Arterial Hypertension

Intervention

Nutritional Supplement Coenzyme Q-10

Location

Cleveland Clinic
Cleveland
Ohio
United States
44195

Status

Recruiting

Source

The Cleveland Clinic

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:12:43-0400

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