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HealthyNCT02568228

Health Beneficial Effects of Krill Oil and Lean and Fatty Fish

A study testing Krill oil and Lean and fatty fish in people with Healthy, run by Oslo Metropolitan University.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Intake of omega-3 (n-3) polyunsaturated fatty acids (PUFAs) from fish oil and fish are associated with significant health benefits in risk of cardiovascular disease. However, both lean and fatty fish have been shown to have beneficial effects suggesting that not all effects are mediated by n-3 PUFAs. Read more about this study

Who is it for?
Ages 18 to 70 yearsHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Krill oil and Lean and fatty fish
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
No sites listed yet
Study dates
Aug 2015to Nov 2016
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Healthy volunteers (CRP < 10 mg/L)
  • Stable weight (± 5 % of body weight) the last three months
  • BMI 18.5-35 kg/m2
  • Fasting triglycerides 1.3-4.0 mmol/L
  • Willingness to eat fish
  • Willingness to not take omega-3 or other dietary supplements during the study.

Who cannot join

  • Pregnancy or lactation
  • Any chronic disease, including diabetes type 1 or 2. CVD or cancer past 6 months
  • Elevated thyroid hormones or TSH levels
  • Elevated total cholesterol (>7.8 mmol/L) or fasting triglycerides (>4.0 mmol/L)
  • Use of prescription drugs that may affect triglycerides (e.g. diabetes drugs, Cyclosporin A, Orlistat and Sibutramine), except statins if stable dose past 3 months.
  • Blood pressure > 160/100 mmHg
Show all 11Show fewer
  • Hormone treatment (except stable doses the past three months of contraceptives or thyroxine)
  • Planned weight loss
  • The use of Vita Proactive or other food items enriched with plant sterols
  • Excessive alcohol consumption (>40 g/day)
  • Habitual fish consumption of more than one serving of fatty fish per week

About this study

Intake of omega-3 (n-3) polyunsaturated fatty acids (PUFAs) from fish oil and fish are associated with significant health benefits in risk of cardiovascular disease. However, both lean and fatty fish have been shown to have beneficial effects suggesting that not all effects are mediated by n-3 PUFAs. Krill oil is an n-3 PUFA supplement on the marked. The n-3 PUFAs from krill oil is in the form of phospholipids, and these fatty acids may be more readily and effectively absorbed after ingestion than n-3 PUFAs in the form of triacylglycerols from fish oil. Fish also contain many other potential health components than n-3 PUFAs such as taurine and vitamin D, iodine, selenium and more unspecified components such as bioactive peptides which can mediate the health beneficial effects observed after intake of fish.

The present study aims to elucidate the cardiovascular health beneficial effects after consumption of fish (lean and fatty) and krill oil, with regard to effects on plasma lipids and other markers of cardiovascular health such as inflammatory, haemostatic and endothelial dysfunction markers. The investigators will perform whole genome transcriptome analyses in peripheral blood mononuclear cells (PBMCs) in order to further understand the cardiovascular health benefits and elucidate the mechanisms of action.

Conditions
Healthy
Being tested
Krill oil, Lean and fatty fish, Placebo capsules
Keywords
Triacylglycerols, Omega-3 fatty acids, Krill oil, Fish, Healthy Volunteers

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Krill oilDietary supplement

    Also called Rimfrost Sublime

    The krill group and the control group will be double blinded. The krill oil and placebo capsules will be administered in equal amounts and are of equal size and have the same color.

  • Lean and fatty fishOther

    The fish group will be open labeled.

  • Placebo capsulesDietary supplement

    The krill group and the control group will be double blinded. The krill oil and placebo capsules will be administered in equal amounts and are of equal size and have the same color.

Study groups in NCT02568228
Study groupRoleWhat they receive
Krill groupExperimentalKrill oil capsules. 4 g/day encapsulated krill oil (Rimfrost Sublime) corresponding to ~900 mg/day EPA + DHA + DPA for 8 weeks. The participants will be instructed to take the capsules with the breakfast and dinner meals.
Receives: Dietary Supplement: Krill oil
Fish groupExperimentalLean and fatty fish. Three weekly test-meals, containing two meals of fatty fish and one meal of lean fish for 8 weeks corresponding to ~900 mg/day EPA + DHA + DPA.
Receives: Other: Lean and fatty fish
Control groupPlacebo comparatorPlacebo capsules. 4 g/day encapsulated high oleic sunflower oil (HOSO) for 8 weeks. The participants will be instructed to take the capsules with the breakfast and dinner meals.
Receives: Dietary Supplement: Placebo capsules

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Fasting triglycerides

    Measured: 8 weeks

Secondary outcomes (12)
  1. Circulating inflammatory markers

    Such as TNFalpha and IL-6

    Measured: 8 weeks

  2. Gene expression of inflammatory markers and genes in lipid metabolism

    Measured with RT-qPCR

    Measured: 8 weeks

  3. Plasmamlipids

    Such as total- LDL- and HDL-cholesterol

    Measured: 8 weeks

  4. Lipoprotein subclasses

    Measured: 8 weeks

  5. Plasma fatty acid composition

    Measured: 8 weeks

  6. Blood pressure

    Measured: 8 weeks

  7. Endothelial dysfunction markers

    Sush as NOx and ADMA

    Measured: 8 weeks

  8. Hemostatic markers

    Such as vWF and thrombomudulin

    Measured: 8 weeks

  9. Muscle strength

    Measured by hand grip strength and chair stand test

    Measured: 8 weeks

  10. Whole genome transcriptome analysis in PBMC

    Changes in the gene expression profile

    Measured: 8 weeks

  11. Metabolome profile in blood

    In blood

    Measured: 8 weeks

  12. Metabolome profile in urine

    In urine

    Measured: 8 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Oct 2015 (estimated)
  2. Study startAug 2015
  3. Primary completionNov 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02568228
Sponsor's protocol ID
2015/706/REK sør-øst C
Status last verified
Nov 2016
First submitted
31 Aug 2015
Last updated
22 Nov 2016
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Krill oil and Lean and fatty fish in people with Healthy, run by Oslo Metropolitan University.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Nov 2016. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Fasting triglycerides (time frame: 8 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Nov 2016.

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