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Effect of Dose of Buglossoides Oil on EPA Accrual and on the Inflammatory Response

Phase 1
Completed
Conditions
Healthy
Interventions
Dietary Supplement: High Oleic Sunflower Oil
Dietary Supplement: Buglossoides oil
Registration Number
NCT02540759
Lead Sponsor
Réseau de Santé Vitalité Health Network
Brief Summary

The effect of various doses of Buglossoides oil on the accrual of eicosapentaenoic acid (EPA) in blood and circulating cells will be investigated.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
88
Inclusion Criteria
  1. Men or non-pregnant women, using an effective form of birth control (such as oral contraceptives, injectable contraceptives or the barrier method such as a intrauterine device (IUD) with a spermicide, a diaphragm with a spermicide, a condom with a spermicide or a sponge with a spermicide) for at least 3 months prior to entry into the study and continuing during participation in the study.
  2. 18 to 65 years of age, inclusive.
  3. Body mass index (BMI) 18 - 39.9 kg/m2
  4. Subject is willing to avoid alcohol consumption for 24h prior to every clinic visit.
  5. The subject will not modify smoking habits during supplementation period.
  6. No significant medical conditions that in the opinion of the qualified physician, would preclude the subject's participation in the study.
  7. Signed informed consent.
  8. Willing to follow all study procedures including study visits, fasting blood draws, stable body weight, normal eating habits, current activity level, and compliance with study preparation.
  9. Willing to not consume fish, crustaceans and shellfish for the duration of the study.
Exclusion Criteria
  1. Pregnancy or lactation. Women trying to conceive. Women who will try to conceive who are unwilling to commit to the use of a medically approved form of contraception throughout the study period. Method of contraception must be recorded in the case report file.
  2. Individual has a condition the study physician believes would interfere with the participant's ability to provide informed consent, comply with his responsibilities during the study, which might confound the interpretation of the study results or put the person at undue risk.
  3. Medical conditions including an active peptic ulcer, inflammatory bowel disease, or gastrointestinal bleeding and any medical condition or prior gastrointestinal surgery that could influence absorption, metabolism or excretion of the study supplement.
  4. History or presence of significant, renal, hepatic, gastrointestinal, pulmonary, biliary, neurological or endocrine disorders.
  5. History or presence of cancer in the past 2 yrs, except for non-melanoma skin cancers (e.g. basal or squamous cell carcinoma of the skin).
  6. Clinically significant abnormal laboratory test results including but not limited to LDL-cholesterol ≥ 4.1mM, triglyceride levels ≥3.95mM, fasting creatinine ≥ 1.5 mg/dL, alanine transaminase or aspartate aminotransferase ≥ 1.5X the upper limit of normal.
  7. Currently being treated for angina, arrhythmia and/or congestive heart failure. History of myocardial infarction or stroke.
  8. Uncontrolled hypertension (resting systolic blood pressure ≥ 160 mmHg or diastolic blood pressure ≥ 100 mmHg).
  9. Type 1 or 2 diabetes. Fasting glucose ≥ 100 mg/dL. HbA1c ≥ 6.0.
  10. If a smoker, subject smokes no more than 1 pack (20 cigarettes) daily.
  11. History (within 12 months) or current alcohol or substance abuse (no more than 14 consumptions per week; 1 consumption= 12 oz beer, 5 oz wine, 1.5 oz distilled spirits).
  12. Use of any lipid-altering medications (statins, bile acid sequestrants, cholesterol absorption inhibitors, fibrates, over the counter and prescription formulations of niacin).
  13. Unstable use of thyroid medication. Stable, treated hypothyroidism is not an exclusion criteria.
  14. Use of any weight loss or lipid metabolism medication/supplement/program (including lipase inhibitors) within 1 month of study period OR weight gain or loss > 2 kg in the past 3 months.
  15. Currently taking fish oil or any other omega-3 or omega-6 polyunsaturated fatty acids (PUFA) supplement/drug within one month of Visit 1 and throughout the study. Consumption of fatty fish (salmon, herring, mackerel, albacore tuna, and sardines) more than 2X a month within one month of visit 1 and throughout the study period. Consumption (more than twice a month) of any EPA/DHA enriched foods (e.g. docosahexaenoic acid (DHA)-enriched eggs) within one month of Visit 1. Unwillingness to avoid all fish including shellfish and crustaceans throughout the study period.
  16. Use of alpha-linolenic acid-containing seeds and oils such as flax seed, chia seed, perilla seed, hemp, spirulina, walnut, mustard seed or black currant seeds/oil within one month of Visit 1 and throughout the study.
  17. Use of an investigational product within the previous 30 days.
  18. Has donated blood up to 4 weeks before the start of the study. Not willing to cease being a blood donor during the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
High oleic sunflower oil (HOSO)High Oleic Sunflower Oil10 ml HOSO/day in a single dose, 28 days
High dose Buglossoides oilBuglossoides oil10 ml Buglossoides oil/day in a single dose, 28 days
Low dose Buglossoides oilBuglossoides oil3 ml Buglossoides oil + 7 ml HOSO/day in a single dose, 28 days
Medium dose Buglossoides oilHigh Oleic Sunflower Oil6 ml Buglossoides oil + 4 ml HOSO/day in a single dose, 28 days
Low dose Buglossoides oilHigh Oleic Sunflower Oil3 ml Buglossoides oil + 7 ml HOSO/day in a single dose, 28 days
Medium dose Buglossoides oilBuglossoides oil6 ml Buglossoides oil + 4 ml HOSO/day in a single dose, 28 days
Primary Outcome Measures
NameTimeMethod
Plasma eicosapentaenoic concentration (EPA)Day 28

Expressed as μmol/L plasma

Secondary Outcome Measures
NameTimeMethod
Fasting hematology profile: mean corpuscular hemoglobinDay 28
Fasting hematology profile: mean corpuscular hemoglobin concentrationDay 28
Plasma 20:4n-3Day 28

Expressed as μmol/L plasma

Fasting serum chemistry: sodiumDay 28
Plasma docosapentaenoic acid (DPA)Day 28

Expressed as μmol/L plasma

Mononuclear cell 20:4n-3, EPA and DPA individually as % of total fatty acidsDay 28
Plasma 20:4n-3, EPA and DPA individually as % of total fatty acidsDay 28
Fasting serum chemistry: glucoseDay 28
Fasting serum chemistry: potassiumDay 28
Fasting serum chemistry: blood urea nitrogenDay 28
Fasting serum chemistry: aspartate aminotransferaseDay 28
Fasting hematology: hematocritDay 28
Fasting serum chemistry: calciumDay 28
Fasting serum chemistry: amylaseDay 28
Fasting serum chemistry: albuminDay 28
Urinalysis: appearanceDay 28
Fasting serum chemistry: creatinineDay 28
Fasting serum chemistry: alkaline phosphataseDay 28
Fasting serum chemistry: gamma-glutamyltransferaseDay 28
Fasting serum chemistry: total bilirubinDay 28
Fasting serum chemistry: uric acidDay 28
Fasting hematology: white blood cell countDay 28
Fasting hematology: red blood cell countDay 28
Fasting hematology: platelet countDay 28
Fasting blood lipid profile: triglyceridesDay 28
Fasting hematology: neutrophil countDay 28
Fasting hematology:hemoglobinDay 28
Fasting hematology profile: mean corpuscular volumeDay 28
Fasting blood lipid profile: total cholesterolDay 28
Fasting blood lipid profile: low density lipoprotein cholesterol (LDL-c)Day 28
Fasting blood lipid profile: non-high density lipoprotein-cholesterol (non-HDL-c)Day 28
Fasting blood lipid profile: HDL-cDay 28
Fasting serum chemistry: chlorideDay 28
Estimated glomerular filtration rateDay 28
Fasting hematology profile: red cell distribution widthDay 28
Fasting hematology profile: mean platelet volumeDay 28
Fasting hematology profile: lymphocyte concentrationDay 28
Fasting hematology profile: monocyte countDay 28
Fasting hematology profile: eosinophil countDay 28
Fasting hematology profile: basophil countDay 28
Fasting hematology profile: Immature granulocytes countDay 28
Fasting hematology profile: immature granulocytes (% white blood cell (WBC))Day 28
Fasting hematology profile: neutrophil (% WBC)Day 28
Fasting hematology profile: lymphocyte (% WBC)Day 28
Fasting hematology profile: monocytes (% WBC)Day 28
Fasting hematology profile: eosinophil (% WBC)Day 28
Fasting hematology profile: basophil (% WBC)Day 28
Urinalysis: densityDay 28
Urinalysis: nitritesDay 28
Urinalysis: pHDay 28
Urinalysis: bloodDay 28
Urinalysis: leukocyte esteraseDay 28
Urinalysis: proteinDay 28
Urinalysis: glucoseDay 28
Urinalysis: acetoneDay 28
Urinalysis: urobilinogenDay 28

Trial Locations

Locations (1)

Université de Moncton

🇨🇦

Moncton, New Brunswick, Canada

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