Cardiovascular Risk Factors Clinical Trial
Official title:
Fish Oil and Biomarkers of Cardiovascular Risk
NCT number | NCT00527436 |
Other study ID # | 25918 |
Secondary ID | |
Status | Terminated |
Phase | N/A |
First received | |
Last updated | |
Start date | September 2007 |
Est. completion date | September 2007 |
Verified date | April 2019 |
Source | Milton S. Hershey Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Rationale Experimental data indicate an inverse relation between intake of omega-3 fatty
acids ('fish oil'), primarily in the form of eicosapentanoic acid (EPA) and docosahexanoic
acid (DHA), and risk of developing cardiovascular disease in healthy adults. Mechanisms
underlying this cardioprotective effect are unknown but may involve favorable influences on
various biomarkers of cardiovascular risk. In this project we will determine if these
favorable effects of omega-3's occur in older healthy adults, as aging is a primary risk
factor for cardiovascular disease development.
Key Objectives To determine the effect of chronic (12 week) oral omega-3 fatty acid
supplementation on biomarkers of cardiovascular risk in young and older adults. We
hypothesize that omega-3 fatty acid supplementation will exert positive effects on biomarkers
of cardiovascular risk.
Study Population Healthy young (18-40 years of age) and older (50-79) men and women.
Major Inclusion & Exclusion Criteria Subjects must be healthy (as assessed by history and
physical examination: non obese BMI<30: normotensive BP <140/90 mmHg) men and women not
currently taking medications that could influence the results. Women must be non-pregnant.
Normal liver enzymes (ALT and AST). Individuals with allergies to corn will be excluded.
Allocation to Groups Randomized, double-blinded, and placebo-controlled.
Summary of Procedures Measurements will be made at baseline and repeated ~12 weeks after
beginning daily oral ingestion of either low dose or high dose fish oil capsules or placebo
Status | Terminated |
Enrollment | 3 |
Est. completion date | September 2007 |
Est. primary completion date | September 2007 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 20 Years to 79 Years |
Eligibility |
Inclusion Criteria: Subjects must be healthy (as assessed by history and physical examination: - Non obese BMI<30: normotensive BP <140/90 mmHg) men and women not currently taking medications that could influence the results. - Women must be non-pregnant. - Normal liver enzymes (ALT and AST). Exclusion Criteria: - Individuals with allergies to corn will be excluded. |
Country | Name | City | State |
---|---|---|---|
United States | Penn State College of Medicine | Hershey | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
Milton S. Hershey Medical Center |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Urine collection | The subject will be asked to collect urine over the course of one day (24 hours) in a jug provided. The urine will be analyzed for catecholamine levels | 24 hours | |
Primary | Blood Pressure | Blood pressure will be measured using a cuff placed around the subject's upper arm as well as a small cuff placed on their finger. | every 2 weeks for a 12 week duration | |
Primary | Heart Rate | Two-inch square adhesive patches will be used to monitor your heart rate | every two weeks for 12 week duration | |
Primary | Arterial Pulse Wave Velocity | The speed at which blood travels through arteries in the subject's torso will be measured non-invasively using Doppler Flow probes. | every two weeks, for a 12 week duration | |
Primary | Aortic Blood Pressure | Aortic Blood pressure will be measured non-invasively by pressing an ultrasound probe against an artery in the neck or wrist. | every two weeks, for a 12 week duration | |
Primary | Brachial Artery Blood Flow | The blood flow into the subject's brachial artery will be measured non-invasively using an ultrasound probe after deflation of a blood pressure cuff that previously had been inflated tightly on the upper forearm for a period of 5 minutes | every two weeks, for a 12 week duration | |
Primary | Brachial Artery Blood flow: After Nitroglycerin (0.4mg) | The blood flow into the subject's brachial artery will be measured non-invasively using an ultrasound probe after placing a pill containing nitroglycerin (0.4mg) under the tongue. | every two weeks, for a 12 week duration | |
Primary | Microneurography | Two very fine, sterile nerve wires (micro-electrodes), thinner than a sewing needle, will be introduced through the skin into a nerve located just under the skin of the right leg. This procedure will measure nerve activity from the brain to the leg. | every two weeks, for a 12 week duration | |
Secondary | Blood Withdrawal | An intravenous catheter will be inserted into veins near the elbow to collect blood for standard blood chemistry panel. | every two weeks, for a 12 week duration |
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