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Oleactiv® have previously demonstrated beneficial effects in an animal model of diet-induced atherosclerosis. After a 12-week supplementation, a substantial reduction of aortic fatty streak area has been observed. Also, Oleactiv®-supplemented hamsters displayed significant decrease of both non-HDL-cholesterol and triglycerides levels. Also, phenolic compounds from Oleactiv® demonstrated that increase of cholesterol efflux capacity (CEC) is one of the mechanisms that may explain preventive effect on atheroma development.
These effects observed in animals will thus be investigated in human. The main hypothesis of the present study is that phenolic compounds from Oleactiv® may improve LDL oxidability in volunteers with moderate hypercholesterolemia after 3 weeks of consumption.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Plant food supplement | Experimental |
|
|
| Maltodextrin | Placebo Comparator |
|
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Plant food supplement | Dietary Supplement | Food supplements are consumed during 3 weeks by hypercholesterolemic volunteers |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline of LDL oxidability after 3 weeks of food supplement consumption compared to placebo group | LDL oxidability | 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline of lipid metabolism after 3 weeks of food supplement consumption compared to placebo group | Total cholesterol, HDL, LDL, Triglycerides, | 3 months |
| Change from baseline of lipoproteins size distribution after 3 weeks of food supplement consumption compared to placebo group |
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Inclusion Criteria:
Exclusion Criteria:
Dyslipidemia or hyperlipidemia:
Hypertensive-treated
Diabetes treated or not with medication
Taking drugs known to have an impact on lipid metabolism (statin, ezetimibe, colestyramine, fibrate, etc.) in the month preceding inclusion and / or likely to consume them during the test
Consuming food supplements or functional foods known to have an influence on cholesterolemia (phytosterol, phytostanol, red rice yeast, policosanols, beta-glucans at a dose greater than 3 g / d) in the month preceding the inclusion and / or likely to take during the test
Consuming probiotics in the form of a food supplement in the month preceding inclusion and / or likely to take them during the test
Following or having followed a hypocaloric diet (energy intake <1,500 kCal / day) in the month preceding inclusion and / or likely to undertake this diet during the test
Who donated blood in the 3 months preceding inclusion
Diagnosed eating disorders (bulimia, anorexia nervosa, vomiting)
High level athlete (physical activity for 1 hour per day)
Smoking more than 5 cigarettes per day
Bariatric surgery or who has a gastroplasty ring
Consuming more than 3 standard drinks of alcoholic beverage daily,
Consuming drugs,
Suffering from serious illnesses such as cancer, recent myocardial infarction, serious digestive pathologies or others diseases found to be inconsistent with the conduct of the study by the investigator,
Taking part in another clinical trial or being in the exclusion period of a previous clinical trial,
Under legal protection (guardianship, wardship) or deprived from his rights following administrative or judicial decision,
Presenting a psychological or linguistic incapability to sign the informed consent,
Any other condition which in the investigator's opinion may adversely affect the subject's ability to complete the study or its measures or which may pose significant risk to the subject.
Known allergy to one of the component of the supplement (Grape, olive, artichoke, blackcurrant or pomegranate) or to corn.
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| Name | Affiliation | Role |
|---|---|---|
| Jean-Michel Lecerf, MD | Institut Pasteur de Lille - NutrInvest | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| NutrINvest | Lille | 59019 | France |
IPD will available only for sponsor
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| ID | Term |
|---|---|
| D006937 | Hypercholesterolemia |
| ID | Term |
|---|---|
| D006949 | Hyperlipidemias |
| D050171 | Dyslipidemias |
| D052439 | Lipid Metabolism Disorders |
| D008659 | Metabolic Diseases |
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| ID | Term |
|---|---|
| C008315 | maltodextrin |
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| Maltodextrin | Dietary Supplement | Food supplements are consumed during 3 weeks by hypercholesterolemic volunteers |
|
Lipoprotein size |
| 3 months |
| Change from baseline of plasma paraoxonase activity after 3 weeks of food supplement consumption compared to placebo group | Paraoxonase activity | 3 months |
| Change from baseline of reverse transport of cholesterol after 3 weeks of food supplement consumption compared to placebo group | Reverse transport of cholesterol | 3 months |
| Change from baseline of cholesterol load capacity after 3 weeks of food supplement consumption compared to placebo group | Cholesterol load capacity | 3 months |
| Maximum plasma concentration of phenolic compounds in a 24h-blood collection | Phenolic compounds were measured after food supplement consumption at 7 points (T0, T1h, T2h, T4h, T6h, T10h, T24h). | 3 months |
| Time of complete elimination of phenolic compounds in a 24h-blood collection | Phenolic compounds were measured after food supplement consumption at 7 points (T0, T1h, T2h, T4h, T6h, T10h, T24h). | 3 months |
| Maximum plasma concentration of oxidized LDL in a 24h-blood collection | Oxidized LDL were measured after food supplement consumption at 7 points (T0, T1h, T2h, T4h, T6h, T10h, T24h). | 3 months |
| Maximum concentration of urinary isoprostanes in a 48h-urine collection | Urinary isoprostanes were measured after food supplement consumption at 7 points (from 22h the day before to 8h (T0), T0-6h, T6-10h, T10-14h, T14-24h, T24-32h, T32-48h). | 3 months |
| Change from baseline of carbohydrate metabolism after 3 weeks of food supplement consumption compared to placebo group | glycemia, insulin | 3 months |
| Change from baseline of arterial stiffness after 3 weeks of food supplement consumption compared to placebo group | Arterial stiffness via the Sphygmocor® measuring device | 3 months |
| D009750 |
| Nutritional and Metabolic Diseases |