USDA's Beltsville Human Nutrition Research Center
Beltsville, Maryland, 20705, United States
NCT Number: NCT01295684
Previous studies have shown that consumption of a low calorie cranberry beverage imparts a favorable impact on HDL cholesterol, LDL oxidation, and cell adhesion molecules in men. However, these studies were not well controlled. Thus, it is important to confirm these effects in a blinded, placebo-controlled feeding study. The investigators goal is to verify the cardioprotective effects of cranberries by conducting a dietary intervention trial with healthy subjects in a controlled environment.
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Notify Me25 year–65 year
All sexes
Interventional
Not applicable
Beltsville, Maryland, 20705, United States
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
base diet supplemented with two 8 ounce servings of low calorie cranberry juice per day
base diet supplemented with two 8 ounce servings of a color and flavor matched placebo beverage
Time frame: Days 1&2; Days 27&28; Days 55&56
A blood lipid panel will include plasma total cholesterol, HDL cholesterol, LDL cholesterol, triglycerides, Apo A-1, Apo A-II, Apo B, Lpa. Inflammatory markers (IL-6, IL-10, IL-1-alpha, CRP, TNF-alpha, fibrinogen, iCAM) will be determined by ELISA. Serum will be analyzed for polyphenol concentration.
Time frame: Days 1, 28, and 56
Blood pressure will be measured using a standardized protocol at the beginning, 4-week, and 8-week time points.
Time frame: Days 1 & 56
Urine (24 hour cumulative and spot)will be collected at the beginning and end of each treatment period and provided to Ocean Spray for metabolomics and adhesion analysis.
Time frame: Days 1 & 56
A spot fecal sample will be collected at the beginning and end of each treatment period and provided to Ocean Spray microbiota analysis.
United States Department of Agriculture (USDA)
Fed
The Influence Of Cranberry Juice On Risk Factors For Cardiovascular Disease
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