- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01293604
The Influence of Daily Intake of Whole Grain Barley or Oats on Biomarkers of Cardiovascular Disease
October 13, 2011 updated by: United States Department of Agriculture (USDA)
The objectives of this study are the following: 1) to determine the effect of daily consumption of whole grain barley for six week on risk factors of cardiovascular disease compared to a diet low in whole grains, and 2) to compare the effects of daily consumption of whole grain barley to those of whole grain oats for six weeks to determine if the response to these two grains is different.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Anticipated)
69
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Maryland
-
Beltsville, Maryland, United States, 20705
- USDA Beltsville Human Nutrition Research Center
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
25 years to 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Men and women between the ages of 25-70 years
- Body mass index (BMI) ≥ 19 and ≤ 38
- Willingness and ability to make scheduled appointments at clinical site as required by study protocol
Exclusion Criteria:
- Do not regularly consume breakfast or dislike cereal for breakfast
- Known (self-reported) allergy or adverse reaction to grains (e.g., wheat, gluten, barley)
- Presence of kidney disease, liver disease, gout, untreated or unstable hypothyroidism, untreated or unstable hyperthyroidism, certain cancers, gastrointestinal disease, pancreatic disease, other metabolic diseases, or malabsorption syndromes
- Type 2 diabetes requiring the use of oral antidiabetic agents or insulin
- Fasting triglycerides > 300 mg/dL
- Fasting glucose > 126 mg/dL
- Use of cholesterol lowering medication
- Blood pressure > 180/100 or hypertension treated with calcium channel blockers, direct acting vasodilators, or beta blockers
- History of bariatric or certain other surgeries related to weight control
- History of major surgery within 3 months of enrollment
- Smokers or other tobacco users (during 6 months prior to the start of the study)
- Antibiotic use during the intervention or for 3 months prior to the intervention period
- History of eating disorders or other dietary patterns which are not consistent with the dietary intervention (e.g., vegetarians, very low fat diets, high protein diets)
- Volunteers who have lost 10% of body weight within the last 6 months
- Unable or unwilling to give informed consent or communicate with study staff
- Self-report of alcohol or substance abuse within the past 12 months and/or current acute treatment or rehabilitation program for these problems (long-term participation in Alcoholics Anonymous is not an exclusion)
- Other medical, psychiatric, or behavioral factors that in the judgment of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Whole Grain Barley Diet
A controlled diet containing at least 4 daily servings of whole grain barley.
|
Subjects will be randomly assigned to one of three treatments: 1) a control diet containing 0.7 daily servings of whole grain, 2) a diet containing at least 4 daily servings of whole grain barley or 3) a diet containing at least 4 servings of whole grain oats.
After 6 weeks, risk factors of cardiovascular disease will be assessed after a 12 hr fast.
During the seventh week, risk factors of cardiovascular disease will be assessed in the postprandial state.
|
Active Comparator: Whole Grain Oats Diet
A diet containing at least 4 servings of whole grain oats.
|
Subjects will be randomly assigned to one of three treatments: 1) a control diet containing 0.7 daily servings of whole grain, 2) a diet containing at least 4 daily servings of whole grain barley or 3) a diet containing at least 4 servings of whole grain oats.
After 6 weeks, risk factors of cardiovascular disease will be assessed after a 12 hr fast.
During the seventh week, risk factors of cardiovascular disease will be assessed in the postprandial state.
|
Other: Low Whole Grain Diet
A control diet containing 0.7 daily servings of whole grain.
|
Subjects will be randomly assigned to one of three treatments: 1) a control diet containing 0.7 daily servings of whole grain, 2) a diet containing at least 4 daily servings of whole grain barley or 3) a diet containing at least 4 servings of whole grain oats.
After 6 weeks, risk factors of cardiovascular disease will be assessed after a 12 hr fast.
During the seventh week, risk factors of cardiovascular disease will be assessed in the postprandial state.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Meal Tolerance Assessment
Time Frame: 7 hours
|
Subjects will provide a baseline blood sample at 15 minutes and 5 minutes prior to consuming a test meal.
Subjects will then consume a high fat breakfast of foods such as eggs, buttered English muffins, and donuts.
Blood samples will be collected 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 360, and 420 min following ingestion of the test meal.
Measurements will be made for serum triglyceride area under the curve, serum cholesterol, insulin, glucose, and plasma apo B48.
|
7 hours
|
Biomarkers of cardiovascular risk
Time Frame: After a 12 hour fast
|
Fibrinogen, factor VII, blood pressure, total cholesterol, HDL-cholesterol, LDL-cholesterol, triglycerides, Lp(a), and lipoprotein size.
|
After a 12 hour fast
|
Biomarkers of oxidative stress
Time Frame: After 6 weeks of feeding
|
Nitrites and nitrates, malondialdehyde, lipid hydroperoxides, ox-LDL, resistance of LDL to Cu2+-induced oxidation, FRAP, glutathione, glutathione-S-transferase, super oxide dismutase, PON-1, betaine, homocysteine, total thiols, urinary isoprostanes.
|
After 6 weeks of feeding
|
Biomarkers of inflammation
Time Frame: After 6 weeks of controlled feeding
|
C-reactive protein (CRP), IL-6, IL-8, IL-10, IL-18, TNFα, matrix metalloproteinases (MMP-2, MMP-9), e-Selectin, ICAM, VCAM
|
After 6 weeks of controlled feeding
|
Biomarkers of glucoregulatory control
Time Frame: After 6 weeks of feeding
|
Glycated apolipoprotein B, hemoglobin A1c, fructosamine, insulin, glucose, leptin, adiponectin
|
After 6 weeks of feeding
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Genotype testing
Time Frame: After 6 weeks of controlled feeding
|
Blood will be used to test for genetic traits that may influence nutrient metabolism and also traits reflecting the mechanisms that may be influenced by the intervention.
|
After 6 weeks of controlled feeding
|
Microarray and targeted gene expression testing
Time Frame: After 6 weeks of controlled feeding
|
Blood samples will be used to test how the intervention affects gene expression.
Global gene expression will be performed for a complete survey of the RNA response to the intervention.
Targeted gene expression will be performed to confirm the findings of the global gene expression analysis.
|
After 6 weeks of controlled feeding
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Janet A Novotny, PhD, USDA Beltsville Human Nutrition Research Center
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 2011
Primary Completion (Actual)
August 1, 2011
Study Completion (Actual)
August 1, 2011
Study Registration Dates
First Submitted
February 8, 2011
First Submitted That Met QC Criteria
February 9, 2011
First Posted (Estimate)
February 10, 2011
Study Record Updates
Last Update Posted (Estimate)
October 14, 2011
Last Update Submitted That Met QC Criteria
October 13, 2011
Last Verified
October 1, 2011
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- HS34
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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