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The role of long chain omega-3 polyunsaturated fatty acids on weight loss and maintenance

Does supplementation with long chain omega-3 polyunsaturated fatty acids assist with weight loss and weight maintenance in obese individuals

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12609000204246
Enrollment
50
Registered
2009-04-23
Start date
2009-02-01
Completion date
Unknown
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

Weight gain has been associated with increased inflammation, and fish oil supplementation has been shown to possess anti-inflammatory properties. This study is investigating whether fish oil supplementation may reduce inflammation and assist weight loss and weight loss maintenance

Interventions

A very low Kilojoule (kJ) diet (VLCD) of 3,000 kJ, using meal replacements, will be followed for 4 weeks. The meal replacements will be supplied to participants as part of the study. Participants will also consume, by mouth, 6 x 1g/day fish oil capsules composed of 270mg Docosahexaenoic Acid (DHA) and 70mg Eicosapentaenoic Acid (EPA) /capsule. Participants then progress to weight maintenance for 10 weeks and continue to take the 6 x 1g/day fish oil capsules. Participants receive 1 x 20 min

A very low Kilojoule (kJ) diet (VLCD) of 3,000 kJ, using meal replacements, will be followed for 4 weeks. The meal replacements will be supplied to participants as part of the study. Participants will also consume, by mouth, 6 x 1g/day fish oil capsules composed of 270mg Docosahexaenoic Acid (DHA) and 70mg Eicosapentaenoic Acid (EPA) /capsule. Participants then progress to weight maintenance for 10 weeks and continue to take the 6 x 1g/day fish oil capsules. Participants receive 1 x 20 minutes per week individual education sessions on dietary modification and behaviour change for the four weeks of weight loss.

Sponsors

The University of Newcastle
Lead SponsorUniversity

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used)

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

Body Mass Index (BMI) between 30 and 40 Can consume fish Can swalllow capsules

Exclusion criteria

BMI >40 Diabetic Already consuming fish oil capsules or more than 2 oily fish meals/week Has inflammatory condition

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026