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Clinical Study to Assess High-DHA Fish Oil on Biomarkers of Cardiovascular Disease Risk in Adults on Statin Therapy

Clinical Study to Assess the Acute and Chronic Effects of a High-DHA Fish Oil on Fasting and Post-Prandial Biomarkers of Cardiovascular Disease Risk in Adults on Statin Therapy.

The objective of this study is to determine the acute and chronic [4-week] effects of a high-DHA fish oil supplement on fasting and post-prandial (post-meal) biomarkers of cardiovascular disease risk, in adults on Statin therapy.

Studie Overzicht

Toestand

Voltooid

Gedetailleerde beschrijving

This study involves fasted and post-prandial components.

Fasted Study:

Participants will provide fasting blood samples pre-and post-intervention [4-week administration of supplement or placebo] in Treatment Period I. Participants will again provide fasting blood samples pre-and post-intervention [4-week administration of supplement or placebo, opposite to Treatment Period I] during Treatment Period II.

There will be a 4-week washout period during the two Treatment Periods.

Post-prandial study:

Participants will also complete a post-prandial study pre-and post-intervention during each Treatment Period.

Studietype

Ingrijpend

Inschrijving (Verwacht)

36

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

    • Ontario
      • Guelph, Ontario, Canada, N1G 0B4
        • Nutrasource Diagnostics Inc.

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

18 jaar tot 70 jaar (Volwassen, Oudere volwassene)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Inclusion Criteria:

  • Be an adult between the ages of 18 and 70;
  • Be a male or a post-menopausal female who has gone a minimum of one year since their last menses;
  • Be taking Statin medication at a stable dose for a minimum of four weeks prior to study commencement [and whom have reached a target LDL level];
  • Have elevated fasting triglyceride levels [greater than 1.5 mmol/L but less than 5.7 mmol/L];
  • Have fasting blood glucose levels below the study cut-off [less than 7.0 mmol/L];
  • Have a Body Mass Index (BMI) less than 35.0
  • Be taking natural health products BUT agree to cease consumption during the study period and a 4-week pre-study washout prior to study commencement. Study participants will be allowed to consume a daily multivitamin if they have been doing so at a stable dose for a minimum of three months prior to study commencement.

Exclusion Criteria:

  • Be younger than 18 years of age or older than 70 years of age;
  • Be an adult pre- or peri-menopausal female;
  • Not have taken Statin medication at a stable dose for a minimum of 4 weeks prior to study commencement;
  • Have fasting triglyceride levels outside of study limits[ie/ less than 1.5 mmol/L or greater than 5.7 mmol/L];
  • Have elevated fasting blood glucose levels [greater or equal to 7.0 mmol/L];
  • Have high blood pressure [greater than 140/100]
  • Have a Body Mass Index (BMI) equal to or greater than 35.0
  • Have a pre-existing cardiovascular disease or illness, including angina, myocardial infarction, stroke, intermittent claudication or transient ischemic attack;
  • Have a known allergy to fish and/or fish oil, olive oil, soy or Vitamin E;
  • Be taking natural health products but are unwilling to cease consumption during the study period and a 4-week pre-study washout prior to study commencement;
  • Consume more than two (2) fish meals on a weekly basis
  • Consume excessive amounts of alcohol on a weekly basis [more than 10 alcoholic drinks per week];
  • Anticipate or have planned surgery during the course of the study.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Crossover-opdracht
  • Masker: Dubbele

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: 1 (Dietary Supplement - Fish Oil)

On Day 1 & Day 29, the researcher will obtain anthropometric measurements as specified in the study protocol. A venous catheter will be inserted and a fasted blood sample will be drawn, which will be analyzed for study primary and secondary endpoints. Participants will consume a Breakfast Meal (which will represent t0) and will have blood drawn at a total of 7 time points. Blood samples drawn at30, t60, t120, and t180 will be analyzed for glucose and insulin; blood samples drawn at t60, t120, t180, t240, t300 and t360 will be analyzed for triglycerides. Upon completion of the 6 hour blood draw period, the venous catheter will be removed.

On Day 15, the researcher will obtain anthropometric measurements as specified in the study protocol.

On Day 1 and Day 15, participants will receive a 2-week supply of study supplements and will be instructed to consume 4 capsules per day. Each capsule contains 1000 mg of fish oil [620 mg of DHA and 150 mg of EPA], providing a total daily dosage of 4000 mg of fish oil [3080 mg of DHA+EPA].
Experimenteel: 2 (Placebo)

On Day 1 & Day 29, the researcher will obtain anthropometric measurements as specified in the study protocol. A venous catheter will be inserted and a fasted blood sample will be drawn, which will be analyzed for study primary and secondary endpoints. Participants will consume a Breakfast Meal (which will represent t0) and will have blood drawn at a total of 7 time points. Blood samples drawn at30, t60, t120, and t180 will be analyzed for glucose and insulin; blood samples drawn at t60, t120, t180, t240, t300 and t360 will be analyzed for triglycerides. Upon completion of the 6 hour blood draw period, the venous catheter will be removed.

On Day 15, the researcher will obtain anthropometric measurements as specified in the study protocol.

On Day 1 and Day 15, participants will receive a 2-week supply of study supplements and will be instructed to consume 4 capsules per day. Each capsule contains 1000 mg of olive oil, providing a total daily dosage of 4000 mg of olive oil.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Triglyceride [TG]
Tijdsspanne: 0 and 4 weeks
Fasted and postprandial samples will be drawn (hourly up to 6 hours).
0 and 4 weeks

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Glucose
Tijdsspanne: 0 and 4 weeks
Fasted and postprandial samples will be drawn (every 30 minutes up to 2 hours).
0 and 4 weeks
Insulin
Tijdsspanne: 0 and 4 weeks
Fasted and postprandial samples will be drawn (every 30 minutes up to 2 hours).
0 and 4 weeks
Total cholesterol [TC]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
High-density lipoprotein [HDL]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Low-density lipoprotein [LDL]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Very low-density lipoprotein [VLDL]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Lipoprotein A
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Intermediate-density lipoprotein [IDL]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Remnant Lipoproteins
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
High-sensitivity C-Reactive Protein [hs-CRP]
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Homocysteine
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Essential Fatty Acid Profile
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Apolipoprotein B
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks
Apolipoprotein A-1
Tijdsspanne: 0 and 4 weeks
A fasted blood sample will be taken.
0 and 4 weeks

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Onderzoekers

  • Hoofdonderzoeker: Alison Duncan, Ph.D., R.D., University of Guelph

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start

1 september 2012

Primaire voltooiing (Werkelijk)

1 december 2013

Studie voltooiing (Werkelijk)

1 februari 2014

Studieregistratiedata

Eerst ingediend

10 september 2012

Eerst ingediend dat voldeed aan de QC-criteria

18 september 2012

Eerst geplaatst (Schatting)

21 september 2012

Updates van studierecords

Laatste update geplaatst (Schatting)

7 februari 2014

Laatste update ingediend die voldeed aan QC-criteria

6 februari 2014

Laatst geverifieerd

1 februari 2014

Meer informatie

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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