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| Name | Class |
|---|---|
| University of Aarhus | OTHER |
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Cardiovascular disease (CVD) is one of the most important and frequent causes of death. Postprandial lipidemia (PPL) is an independent risk factor for CVD, besides the traditional risk factors e.g. hypertension, high LDL-cholesterol, family disposition of CVD and type 2 diabetes (T2D). A high PPL is associated with an increased risk of myocardial infarction and stroke. Reduction of increased PPL, as a part of CVD prevention, is therefore pivotal. Especially in groups with increased risk of CVD, like the metabolic syndrome (MeS) and T2D. Identification of a simple diet-related method will possibly result in reduction of CVD in healthy as well as high-risk subjects.
The aim of this project is to investigate if there is a dose-response effect of whey protein consumed as pre-meal prior to a fat-rich meal on responses of triglycerides and apolipoprotein B48 (ApoB48). Secondarily the aim is to study the responses of glucose, insulin, glucagon, amino acids, inflammatory markers, incretins, rate of gastric emptying and metabolomics. Also satiety feeling will be measured.
Investigators hypothesize that whey protein (10 or 20g) consumed 15 minutes prior to a fat-rich isocaloric meal reduces triglyceride- and ApoB48 responses more and in a dose-dependent way compared to placebo (water) consumed prior to the meal in subjects with MeS.
The investigators research will hopefully contribute to a better understanding of how PPL can be modified in a simple manner. It will promote innovation to the food industry for development and production of healthy food products, which can be applied in the fight against CVD in the background population in general and high-risk people in particular. Thus, the results of this project can impart knowledge of great importance both to the national and international food industry as well as the healthcare systems.
Using a randomised, cross-over design 20 subjects with MeS will consume a test meal prior to a fat-rich meal. The test meals contain three different amounts of whey protein. Blood samples are collected before consumption of the pre-meal and after consumption of the fat-rich isocaloric meal during 360 minutes. The fat-rich isocaloric meal is a breakfast containing 1043 kcal (15 E% protein, 65 E% fat and 20 E% carbohydrates). The main-meal is composed of white bread, rye bread, butter, cheese (45 %), salami, egg, bacon, milk (1.5 % fat) and coffee (decaffeinated) and should be consumed over 15 min. Visual Analog Scale (VAS) will be used for determination of subjective satiety feeling.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 0g whey protein | Experimental | 0g whey protein dissolved in 200 milliliter (mL) water. |
|
| 10g whey protein | Experimental | 10g whey protein dissolved in 200 milliliter (mL) water. |
|
| 20g whey protein | Experimental | 20g whey protein dissolved in 200 milliliter (mL) water. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Whey protein | Other | Different amounts of whey protein dissolved in 200 mL water. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Dose-response of whey protein as pre-meal on triglycerides after a high-fat meal in subjects with the metabolic syndrome measured as incremental Area Under the Curve (iAUC -15 - 360 min) | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 60, 90, 120, 180, 240 and 360 min post main meal. | |
| Dose-response of whey protein as pre-meal on apolipoprotein B48 after a high-fat meal in subjects with the metabolic syndrome measured as incremental Area Under the Curve (iAUC -15 - 360 min) | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 120, 240 and 360 min post main meal. |
| Measure | Description | Time Frame |
|---|---|---|
| Glucose responses measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), -10 min, prior to the main meal (0 min) and 15, 30, 60, 90, 120, 240 and 360 min post main meal. | |
| Insulin responses measured as incremental Area Under the Curve (AUC -15 - 360 min) |
| Measure | Description | Time Frame |
|---|---|---|
| Responses of the inflammatory marker monocyte chemotactic protein-1 (MCP-1) measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 15, 30, 60, 90, 120, 180, 240 and 360 min post main meal. | |
| Satiety measured as incremental Area Under the Curve (AUC -15 - 360 min) |
Inclusion Criteria:
- Central obesity (female > 80 cm; male > 94 cm) with two of the following parameters:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Kjeld Hermansen, Professor | Aarhus University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Aarhus University Hospital | Aarhus | Aarhus C. | 8000 | Denmark |
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| ID | Term |
|---|---|
| D024821 | Metabolic Syndrome |
| ID | Term |
|---|---|
| D007333 | Insulin Resistance |
| D006946 | Hyperinsulinism |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
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| ID | Term |
|---|---|
| D000067816 | Whey Proteins |
| ID | Term |
|---|---|
| D008894 | Milk Proteins |
| D000080224 | Animal Proteins, Dietary |
| D004044 | Dietary Proteins |
| D011506 | Proteins |
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| Prior to the pre meal (-15 min), -10 min, prior to the main meal (0 min) and 15, 30, 60, 90, 120, 240 and 360 min post main meal. |
| Glucagon responses measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), -10 min, prior to the main meal (0 min) and 15, 30, 60, 90, 120, 240 and 360 min post main meal. |
| Glucagon-like peptide 1 (GLP-1) responses measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), -10 min, prior to the main meal (0 min) and 15, 30, 60, 90, 120, 240 and 360 min post main meal. |
| Gastric inhibitory peptide (GIP) responses measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), -10 min, prior to the main meal (0 min) and 15, 30, 60, 90, 120, 240 and 360 min post main meal. |
S-paracetamol |
| Prior to the pre meal (-15 min), prior to the main meal (0 min) and 15, 30, 60, 90, 120, 180 and 240min post main meal. |
| Change in amino acids concentration from baseline to 30 min | Baseline (-15 min), 30 min |
| Responses of free fatty acids measured as incremental Area Under the Curve (iAUC -15 - 360 min) | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 60, 90, 120, 180, 240 and 360 min post main meal. |
| Responses of the inflammatory marker Rantes measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 15, 30, 60, 90, 120, 180 240 and 360 min post main meal. |
| Responses of metabolomics measured as incremental Area Under the Curve (AUC -15 - 360 min) in plasma | Prior to the pre meal (-15 min), prior to the main meal (0 min) and 120, 240 and 360 min post main meal. |
| Responses of metabolomics measured as incremental Area Under the Curve (AUC -15 - 360 min) in urine. | Prior to the pre meal (-15 min), and 120 and 360 min post main meal. |
| Responses of satiety visual analog scale (VAS) measured as incremental Area Under the Curve (AUC -15 - 360 min) | Prior to the main meal (0 min) and 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 and 360 min post main meal |
| D009750 |
| Nutritional and Metabolic Diseases |
| D000602 |
| Amino Acids, Peptides, and Proteins |
| D000067796 | Whey |
| D008892 | Milk |
| D003611 | Dairy Products |
| D005502 | Food |
| D000066888 | Diet, Food, and Nutrition |
| D010829 | Physiological Phenomena |
| D019602 | Food and Beverages |