Pediatric dilated cardiomyopathy (PDCM) is the most common form fond in children. Water-soluble coenzyme Q10 (ubiquinol) is better absorbed than lipid-soluble coenzyme Q10 (ubiquinone) and is directly involved in the antioxidant cycle. Because coenzyme Q10 has shown significant health benefits in adult patients with cardiovascular disease, it is worth studying water-soluble coenzyme Q10 supplements to evaluate their potential role as complementary therapy for PDCM. The purpose of this study is to explore the potential role of water-soluble ubiquinol in complementary therapy for pediatric cardiomyopathy. We will recruit 25 children with primary PDCM (age 0-20 y) and examine the relationship between coenzyme Q10 level and cardiac function (left ventricular fractional shortening and ejection fraction, and B-type natriuretic peptide), oxidative stress (malondialdehyde), antioxidant enzymes activity (catalase, glutathione peroxide, and superoxide dismutase), and inflammation (high sensitivity C-reactive protein and interleukin-6) in PMC after 6 months water-soluble ubiquinol supplementation (10 mg/kg BW/d, by oral drops). In addition, we will assess the quality of life of PDCM patients by questionnaire. Through this study, we expect to demonstrate that water-soluble coenzyme Q10 will be a complementary therapy for PDCM, and will improve cardiac function, increase antioxidant capacity, slow deterioration of cardiac function and reduce inflammation, and further reduce the rate of heart transplantation and increase quality of life in PDCM.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
10
10 mg/kg BW/d, by oral drops
Chung Shan Medical University
Taichung, Taiwan
Left ventricular ejection fraction
Left ventricular ejection fraction (%) will be measured by cardiac echo.
Time frame: 6 months
Levels of plasma coenzyme Q10
Plasma coenzyme Q10 (micromol/L) will be measured by high performance liquid chromatography.
Time frame: 6 months
B-type natriuretic peptide (BNP)
BNP (pg/mL) will be measured by fluorescence immunoassay.
Time frame: 6 months
malondialdehyde (MDA)
MDA (micromol/L) will be measured by thiobarbituric acid reacting substance.
Time frame: 6 months
catalase (CAT)
red blood cells level of CAT in unit/mg protein.
Time frame: 6 months
glutathione peroxide (GPx)
red blood cells level of GPx in unit/mg protein.
Time frame: 6 months
superoxide dismutase (SOD)
red blood cells level of SOD in unit/mg protein.
Time frame: 6 months
high sensitivity C-reactive protein (hs-CRP)
hs-CRP (mg/dL) will be measured by Immunoturbidimetry.
Time frame: 6 months
high sensitivity interleukin-6 (IL-6)
IL-6 (pg/dL) will be measured by immunosorbent assay.
Time frame: 6 months
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