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This study aims to evaluate the ameliorating effect of coenzyme Q10 supplementation on cardiovascular risk factors in high risk population for metabolic syndrome, including blood lipid metabolism, insulin resistance, blood pressure regulation, platelet function, endothelial function, cardiorespiratory fitness and muscle function.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CoQ10 1R | Placebo Comparator | take orally 600 mg placebo per day |
|
| CoQ10 2R | Experimental | take orally 600 mg drug per day (contains 100mg coenzyme Q10) |
|
| CoQ10 3R | Experimental | take orally 600 mg drug per day (contains 200mg coenzyme Q10) |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| coenzyme Q10 | Dietary Supplement | 300 mg capsule twice a day |
| |
| Measure | Description | Time Frame |
|---|---|---|
| platelet aggregation | Fresh PRP prepared from subjects was stimulated by ADP at baseline and at 24 weeks. Platelet aggregation was evaluated on a Chronolog aggregometer (Chrono-Log Corp., PA, USA) in PRP (3.0 × 10^8 platelets/mL) at 37 °C, and the change in light transmission was monitored and recorded for at least 5 minutes. | baseline and week 24 |
| platelet acativation | freshly isolated PRP was separately incubated with different fluorescent-labeled antibodies activated GPⅡbⅢa (FITC-conjugated mouse anti-human PAC-1) or P-selectin (FITC-conjugated mouse anti-human CD62P) at room temperature for 30 min. Platelets were initiated by adding 100 µmol/L adenosine diphosphate (ADP) at room temperature, followed by fixation with 1% paraformaldehyde (pH = 7.2) before analysis. All samples were analyzed via a calibrated CytoFLEX flow cytometer. | baseline and week 24 |
| Platelet granule release | using Elisa kits to detect PF4, β-TG, RANTES, TGF-β1 and soluble P-selectin (sP-selectin) levels | baseline and week 24 |
| cardiorespiratory fitness | using a comprehensive set of tests including spirometry for lung function, Incremental load test for exercise capacity, and a maximal oxygen uptake test (VO2 max) for aerobic fitness. Spirometry will quantify lung function by measuring forced vital capacity (FVC) and forced expiratory volume in one second (FEV1). | baseline and week 24 |
| Change from Baseline in Muscle Mass to Week 24 | Muscle mass was measured by bioelectrical impedance analysis with the use of a body composition analyzer. Change = (Week 24 Muscle Mass - Baseline Muscle Mass). | baseline and week 24 |
| Measure | Description | Time Frame |
|---|---|---|
| Blood pressure | blood pressure will be assessed using a validated and calibrated sphygmomanometer. Blood pressure will be measured in millimeters of mercury (mmHg), with systolic and diastolic pressures recorded separately. Participants will be asked to rest for at least 5 minutes in a quiet environment before the measurement to ensure accuracy. The average of three consecutive readings, taken at 1-minute intervals, will be used to determine the participant's blood pressure. |
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Inclusion Criteria:
Metabolic syndrome or high-risk groups with metabolic syndrome are defined as subjects with metabolic syndrome according to the International Diabetes Federation (IDF) Chinese Adult Criteria, and high-risk groups are defined as those who meet at least two MetS risk factors. The specific criteria are as follows:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| yan yang | Contact | +86 20 8733 0687 | yangyan3@mail.sysu.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| School of Public Health (Shenzhen), Sun Yat-sen University | Recruiting | Shenzhen | 518107 | China |
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| ID | Term |
|---|---|
| D024821 | Metabolic Syndrome |
| D002318 | Cardiovascular Diseases |
| ID | Term |
|---|---|
| D007333 | Insulin Resistance |
| D006946 | Hyperinsulinism |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
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| ID | Term |
|---|---|
| C024989 | coenzyme Q10 |
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| placebo |
| Dietary Supplement |
300 mg capsule twice a day |
|
| Change from Baseline in Handgrip Strength to Week 24 |
Handgrip strength was measured by a hand dynamometer following a standardized procedure. Change = (Week 24 Handgrip Strength - Baseline Handgrip Strength). |
| baseline and week 24 |
| Change from Baseline in Usual Gait Speed to Week 24 | Usual gait speed was measured by the 6-metre walk test following a standardized procedure. Change = (Week 24 Usual Gait Speed - Baseline Usual Gait Speed). | baseline and week 24 |
| baseline and week 24 |
| Fasting blood sugar | Fasting blood glucose will be measured in milligrams per deciliter (mg/dL) using the standard hexokinase method. Participants are required to fast for at least 8 hours before blood sampling, with the exception of water. The test will be carried out in a laboratory setting using a calibrated automatic biochemical analyzer. | baseline and week 24 |
| Blood lipids profile | including the assessment of six key components: total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), apolipoprotein A-I (Apo A-I) and B (Apo B). These measurements will be conducted using standard enzymatic assays in a clinical laboratory setting. Blood samples will be collected after an overnight fast of at least 8 to 12 hours. The results will be reported in milligrams per deciliter (mg/dL) for TC, TG, LDL-C, and HDL-CApo A-I and Apo B will be reported in grams per liter (g/L). | baseline and week 24 |
| D009750 |
| Nutritional and Metabolic Diseases |