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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03202654
Other study ID # MB-1703
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 22, 2017
Est. completion date October 31, 2017

Study information

Verified date May 2018
Source Midwest Center for Metabolic and Cardiovascular Research
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objectives of this trial are to assess the effects of corn oil and coconut oil on low-density lipoprotein cholesterol (LDL-C) concentrations, and other aspects of the fasting lipoprotein lipid profile, as well as insulin sensitivity and an inflammatory marker, in men and women.


Description:

This is a randomized, crossover, pilot study that includes two screening visits and two 4-week test periods, separated by a 3-week washout. Subjects will consume study products providing 4 tablespoons oil/day of either corn oil or coconut oil replacing the same amount of oil in the background diet. Subjects will otherwise be encouraged to follow their habitual diet during both treatment periods. They will receive diet instructions on the incorporation of food substitutions during the test periods to maintain habitual energy intake. Subjects will record daily study product intake and compliance in a Daily Log. An intravenous glucose tolerance test (IVGTT) will be completed at baseline and the end of each treatment period for evaluation of insulin sensitivity. Fasting blood samples will be collected for lipid profile and high-sensitivity C-reactive protein (hs-CRP) measurements at all visits. Assessments of vital signs and body weight, review of concomitant medication/supplement use and inclusion and exclusion criteria for relevant changes, and evaluation of adverse effects will be performed throughout the study. Compliance will be assessed using the Daily Log intake percentages as the primary source.


Recruitment information / eligibility

Status Completed
Enrollment 24
Est. completion date October 31, 2017
Est. primary completion date October 10, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 79 Years
Eligibility Inclusion Criteria:

1. BMI of 18.5-34.9 kg/m2.

2. Fasting LDL-C level =115 mg/dL and <190 mg/dL, and TG level =375 mg/dL.

3. Judged to be in general good health on the basis of medical history and screening laboratory tests.

Exclusion Criteria:

1. Atherosclerotic cardiovascular disease including any of the following:

clinical signs of atherosclerosis including peripheral arterial disease, abdominal aortic aneurysm, carotid artery disease [symptomatic (e.g., myocardial infarction, angina, transient ischemic attack or stroke of carotid origin) or >50% stenosis on angiography or ultrasound] or other forms of clinical atherosclerotic disease (e.g., renal artery disease).

2. History or presence of clinically important pulmonary (including uncontrolled asthma), endocrine (including type 1 or 2 diabetes mellitus), chronic inflammatory disease (including irritable bowel disease, lupus, rheumatoid arthritis), hepatic, renal, hematologic, immunologic, dermatologic, neurologic, psychiatric, or biliary disorders.

3. Known allergy, sensitivity, or intolerance to any ingredients in the study products.

4. Uncontrolled hypertension.

5. Recent history of cancer, except for non-melanoma skin cancer.

6. Recent change in body weight of ± 4.5 kg.

7. Recent use of any medications intended to alter the lipid profile [e.g., statins, bile acid sequestrants, cholesterol absorption inhibitor, fibrates, niacin (drug form), omega-3-ethyl ester drugs, or proprotein convertase subtilisin kexin type 9 inhibitors].

8. Recent use of any foods or dietary supplement that might alter lipid metabolism [e.g., omega-3 fatty acid supplements (e.g., flaxseed, fish or algal oils) or fortified foods, sterol/stanol products; dietary supplements (including Metamucil® or viscous fiber-containing supplement); red rice yeast supplements; garlic supplements; soy isoflavone supplements; niacin or its analogues at doses >400 mg/d].

9. Recent use of weight-loss drugs or programs or antibiotics.

10. Recent daily use of non-steroidal anti-inflammatory drugs (except low-dose aspirin) or unstable use of antihypertensive medication.

11. Recent use of medications that influence carbohydrate metabolism (e.g., adrenergic receptor blockers, diuretics, hypoglycemic medications, and/or systemic corticosteroids).

12. Pregnant, planning to be pregnant during the study period, lactating, or of childbearing potential and unwilling to commit to the use of a medically approved form of contraception throughout the study period.

13. Extreme dietary habits (e.g., vegan or very low carbohydrate diet).

14. Current or recent history for drug or alcohol abuse.

15. History of a diagnosed eating disorder (e.g., anorexia or bulimia nervosa).

16. Exposure to any non-registered drug product.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Corn Oil
4 tablespoons/day of corn oil for 4-week treatment period.
Coconut Oil
4 tablespoons/day of coconut oil for 4-week treatment period.

Locations

Country Name City State
United States MB Clinical Research Boca Raton Florida
United States Great Lakes Clinical Trials Chicago Illinois

Sponsors (2)

Lead Sponsor Collaborator
Midwest Center for Metabolic and Cardiovascular Research ACH Food Companies, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Percent change in Triglycerides (TG) Percent change in TG from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Other Percent change in high-density lipoprotein cholesterol (HDL-C). Percent change in HDL-C from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Other Percent change in TC/ (HDL-C) ratio. Percent change in TC/ HDL-C ratio from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Other Disposition index [acute insulin response to intravenous glucose (AIRg) x IV-SI] Percent change (or change) from baseline to the end of each treatment period. Up to 50 minutes - measured at baseline, and end of each treatment period.
Other Glucose fractional disappearance rate from t = 10-50 min (Kg) Percent change (or change) from baseline to the end of each treatment period. Up to 50 minutes - measured at baseline, and end of each treatment period.
Other Homeostasis model assessments of insulin sensitivity (HOMA%S) Percent change or change from baseline to end of each treatment condition. Up to 28 days of each treatment period.
Other Beta-cell function (HOMA%B) Percent change or change from baseline to end of each treatment condition. Up to 28 days of each treatment period.
Other Insulin sensitivity index (IV-SI) Percent change or change from baseline to end of each treatment condition. Up to 50 minutes - measured at baseline, and end of each treatment period.
Other Percent change in high-sensitivity C-reactive protein (hs-CRP) Percent change in hs-CRP from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Primary Percent change in LDL-C Percent change in LDL-C from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Secondary Percent change in non-high-density lipoprotein cholesterol (Non-HDL-C). Percent change in Non-HDL-C from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
Secondary Percent change in Total Cholesterol (TC) Percent change in TC from baseline (average of the values from one screening visit and the baseline visit) to the end of each test condition (average of the values at 2-week and 4-week visits of each test period). Up to 28 days for each treatment period.
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