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| Name | Class |
|---|---|
| Advance Foods and Materials Network | OTHER |
| Institut des Nutraceutiques et Aliments fonctionnels, Quebec (Clinical nutrition facilities) | UNKNOWN |
| University of Guelph | OTHER |
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The present study was conducted to test whether a fish gelatin supplement combined with an omega-3 polyunsaturated fatty acid supplement can exert beneficial and sex-specific effects on insulin sensitivity, glucose tolerance, indicators of insulin secretion, blood pressure, lipid metabolism, inflammation and energy intake in obese or overweight insulin-resistant men and women. The investigators hypothesis is that fish gelatin improves insulin sensitivity, glucose tolerance, lipid profile and reduces inflammation in obese or overweight insulin-resistant men and women.
An important number of recent epidemiological studies have demonstrated the beneficial effects of marine omega-3 polyunsaturated fatty acids (n-3 PUFA) on cardiovascular disease risk factors such as reduced triglycerides, decreased platelet aggregation, plaque stabilization, antiarrhythmic effects, and reduced blood pressure. Dietary fish protein has also been shown to improve insulin sensitivity by 30% in insulin-resistant obese or overweight human subjects. In addition, an increasing number of studies describe and demonstrate the physiological and metabolic variations between men and women in regard to CVD and their risk factors, including type 2 diabetes, but the data are still limited. In agreement with the recent findings, this study was conducted to evaluate the combined and synergistic effects of omega-3 and fish protein supplements on insulin sensitivity, blood pressure, lipid metabolism and inflammation in obese or overweight insulin-resistant men and women having some or all the metabolic syndrome criteria including a deteriorated lipid profile, high blood pressure and high waist circumference in a free living situation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Fish gelatin and omega-3 | Experimental |
| |
| Omega-3 | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Fish gelatin and omega-3 polyunsaturated fatty acid | Dietary Supplement |
| ||
| Omega-3 polyunsaturated fatty acid |
| Measure | Description | Time Frame |
|---|---|---|
| Insulin sensitivity | At 8 weeks | |
| Plasma lipids and lipoproteins | at 8 weeks | |
| Blood pressure | At 8 weeks | |
| Plasma and serum inflammatory markers | At 8 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Glucose tolerance | At 8 weeks | |
| Energy intake | At 8 weeks | |
| Fatty acids of phospholipids in skeletal muscle |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Helene Jacques, PhD | Laval University | Principal Investigator |
| Andre Marette, PhD | Laval University | Principal Investigator |
| John S Weisnagel, MD/FRCPC | Laval University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Laval University | Québec | Quebec | G1V 0A6 | Canada |
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| ID | Term |
|---|---|
| D007333 | Insulin Resistance |
| D003924 | Diabetes Mellitus, Type 2 |
| ID | Term |
|---|---|
| D006946 | Hyperinsulinism |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D004281 | Docosahexaenoic Acids |
| ID | Term |
|---|---|
| D015525 | Fatty Acids, Omega-3 |
| D004042 | Dietary Fats, Unsaturated |
| D004041 | Dietary Fats |
| D005223 | Fats |
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| Ocean Nutrition Canada, Halifax (in-kind support: omega-3 supplements) |
| UNKNOWN |
| Kenney & Ross | OTHER |
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| Dietary Supplement |
|
| At 8 weeks |
| D003920 | Diabetes Mellitus |
| D004700 | Endocrine System Diseases |
| D008055 |
| Lipids |
| D005231 | Fatty Acids, Unsaturated |
| D005227 | Fatty Acids |
| D005395 | Fish Oils |
| D009821 | Oils |