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covid-19 lock down
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| Name | Class |
|---|---|
| The Danish Dairy Research Foundation, Denmark | OTHER |
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Investigators will test the long-term health effects of eating a dairy-based protein-rich breakfast and/or performing regular physical training for 12 weeks in 100 previous 'breakfast skipping' young overweight women (2 x 2 factorial design). Measurements of body composition, physical fitness, metabolic health parameters, faeces (microbiota activity and composition), satiety and daily energy intake will be collected.
The study is a 2×2-factorial randomized controlled trial with 4 study arms. The subjects will be randomly allocated to skip breakfast or eat high-protein yoghurt products (300g/day) and to either exercise 3x per week or maintain habitual physical activity for 12 weeks. Measurements and biological sampling will be performed at baseline and at the end of the intervention period.
The primary outcome will be fat mass and fat free mass. The investigators will also measure effects on weigth, waiste, health-related blood paramenters, muscle function, metabolites in urine and blood, and gut microflora and pH.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Skipping breakfast and maintain habitual physical activity | Experimental | Subject will skip breakfast and maintain habitual physical activity. |
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| High protein breakfast and maintain habitual physical activity | Experimental | Subject will consume a high protein dairy breakfast (300 g high protein yoghurt (skyr)) and maintain habitual physical activity. |
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| Skipping breakfast and exercising three times per week | Experimental | Subject will skip breakfast and participate in organized exercise-training three times per week (and maintain habitual physical activity) |
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| High protein breakfast and exercising three times per week | Experimental | Subject will consume a high protein dairy breakfast (300 g high protein yoghurt (skyr)) and and participate in organized exercise-training three times per week (and maintain habitual physical activity) |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Breakfast with high protein dairy | Dietary Supplement | High protein yoghurt containing approx. 10 g protein per 100 g. Participants will be asked to consume 300 g (=3 dl) for breakfast. |
| Measure | Description | Time Frame |
|---|---|---|
| Body composition (DXA scan) 1 | Fat mass in grams | 12 weeks |
| Body composition (DXA scan) 2 | Fat free mass in grams | 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| HbA1c | Blood sample measurement of HbA1c | 12 weeks |
| LDL | Blood sample measurement of LDL | 12 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Mette Hansen, PhD | University of Aarhus | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Aarhus University, Department for Public Health, Section for Sport Science | Aarhus | 8000 | Denmark |
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| ID | Term |
|---|---|
| D008659 | Metabolic Diseases |
| ID | Term |
|---|---|
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D062408 | Breakfast |
| D015444 | Exercise |
| ID | Term |
|---|---|
| D062407 | Meals |
| D005502 | Food |
| D000066888 | Diet, Food, and Nutrition |
| D010829 | Physiological Phenomena |
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2x2 design
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| Exercise training | Other | Participants will be asked to participate in organized exercise training 3 times per week. |
|
| Skipping breakfast | Other | Participants will be asked to skip breakfast. |
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| HDL | Blood sample measurement of HDL | 12 weeks |
| Health related blood parameter 1 | blood sample measurement of fasting glucose | 12 weeks |
| Health related blood parameter 2 | Blood sample measurement of fasting insulin | 12 weeks |
| Health related parameter | Oral glucose tolerance test measured as the area under the curve | 12 weeks |
| Fitness | Aastrand bike test | 12 weeks |
| Muscle strength | grib strength (kg) | 12 weeks |
| maximal jump height | maximal jump height (cm) | 12 weeks |
| weight | Body weight (kg) | 12 weeks |
| Height | Body hight (m) | 12 weeks |
| BMI | weight measurement in kg, height in meters | 12 weeks |
| Food log | 4-day food log (energy in KJ) | 12 weeks |
| Gut microflora | by bacterial determination of faeces | 12 weeks |
| Feaces pH | by pH determination of faeces | 12 weeks |
| Urine metabolites | by metabolomics | 12 weeks |
| Blood metabolites | by metabolomics | 12 weeks |
| D019602 |
| Food and Beverages |
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |