Omega-3 Supplementation for LIver VolumE Reduction Study (OLIVER) Study

  • STATUS
    Recruiting
  • End date
    Apr 21, 2023
  • participants needed
    50
  • sponsor
    Khoo Teck Puat Hospital
Updated on 21 September 2021
liver disease
fish oil
fatty liver
omega-3 fatty acids
steatosis
omega-3
dietary intervention
central obesity

Summary

Omega-3 has been postulated to reduce hepatic steatosis by reducing lipogenic gene expression, exerting anti- inflammation action, reducing oxidative stress and improving glycemic control.

A recent meta-analysis by Parker et al.[1] found that omega-3 supplementation is associated with improvement in liver fat content as well as on Aspartate Aminotransferase (AST) levels. Omega-3 supplementation has also found to be useful in reducing blood triglyceride levels [2].

Recent studies by Iannelli et al. (2013) and Abidin et al.(2017) have also found that a 1 month supplementation of 1.5g/day and 2g/day of omega-3 supplementation resulted in reduced hepatic volume of 20% and 34.88 cm3 respectively.

The investigator's hypothesis is that a 4 weeks course of Omega-3 (2 capsules of Blackmores Omega Daily Concentrated Fish Oil per day; Each capsule Concentrated omega-3 triglyceridesfish 1000mg containing Omega-3 Marine Triglycerides 600mg as: 360mg Eicosapentaenoic acid (EPA), 240mg Docosahexaenoic acid (DHA)) taken as supplement, without any other dietary intervention pre Bariatric Surgery decreases significantly liver volume and facilitate access during surgery. And that shrinkage of liver volume also translates to improve biochemical parameters of fatty liver disease

Description

A total of 50 subjects booked for Bariatric Surgery with BMI up 45 will be recruited. Patients with pre-existing liver disease, excessive alcohol consumption and significant central obesity will be excluded.

Ultrasound examination of the liver with liver volume measurement, and blood tests, including Liver Function Tests (LFT) and platelet counts,is performed as part of the pre surgery work up.

The subjects are then given 4 weeks of Omega-3 supplements (2 capsules of Blackmores Omega Daily Concentrated Fish Oil per day: Concentrated omega-3 triglycerides- fish 1000mg (600mg Eicosapentaenoic acid (EPA), 1400mg Docosahexaenoic acid (DHA)).

Just before Surgery, a repeat of ultrasound examination and measurement of liver volume is carried out, as well as a repeat liver panel and platelet count.The subjects will have their weight and body composition recorded as well at this time.

At the time of the surgery, the surgeon makes a subjective assessment of the left lobe liver volume on a scale of 1 to 5, 5 being the largest. Additionally,ease of access to area under the left lobe of the liver is also subjectively assessed, on a scale of 1 to5, 5 being the most difficult.

Details
Condition Bariatric Surgery Candidate, Fatty Liver, LIVER DISEASE, Liver Disorders, steatohepatitis, hepatic steatosis, Liver Disease
Treatment 2 capsules of Concentrated omega-3 triglycerides- fish 1000mg (600mg Eicosapentaenoic acid (EPA), 1400mg Docosahexaenoic acid (DHA)) per day
Clinical Study IdentifierNCT03972319
SponsorKhoo Teck Puat Hospital
Last Modified on21 September 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Subjects qualifying and scheduled for Bariatric Surgery (as according to Singapore Health Promotion Board- Ministry of Health Obesity Clinical Practice GuidelineJune 2016)
BMI <45 with no significant central obesity
Has no pre-existing liver disease, or excess alcohol consumption

Exclusion Criteria

Pre-existing liver disease
Excessive alcohol consumption
Prior history of allergy to omega-3 products, salmon or other- related products
central obesity
Pregnant
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