Effects of an omega-3 supplement on healthy ageing

Tolerability and Effects of a New Omega-3 Fatty Acid-based Supplement on Clinical and Biological Markers of Healthy Ageing

Not applicable Interventional Helse Stavanger HF · NCT06150261

This study is testing if a new omega-3 supplement can help people aged 55 and older stay healthy as they age by looking at their heart health, muscle strength, and brain function.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment100 (estimated)
Ages55 Years to 100 Years
SexAll
SponsorHelse Stavanger HF Government
Locations1 site (Stavanger)
Trial IDNCT06150261 on ClinicalTrials.gov

What this trial studies

This randomized, double-blind placebo-controlled trial aims to evaluate the tolerability and effects of a new omega-3 fatty acid-based supplement on various biological and clinical aspects related to healthy ageing. Participants aged 55 and older will take either the supplement or a placebo for six months, during which they will undergo physical examinations, muscle function tests, cognitive assessments, and provide biological samples. The study seeks to determine if the omega-3 supplement can positively influence factors associated with healthy ageing, such as cardiovascular health, muscle function, and cognitive abilities.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals aged 55 or older with a BMI between 25-30 and a waist-to-hip ratio indicating potential metabolic risk.

Not a fit: Patients with significant cardiovascular diseases, diabetes, or other serious health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into how omega-3 supplementation may enhance healthy ageing and reduce age-related decline.

How similar studies have performed: Other studies have indicated potential benefits of omega-3 fatty acids on health, suggesting this approach may yield promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged 55 or more
* BMI between 25-30,
* Waist-to-hip ratio of at least 0.90 (males) or 0.85 (females)
* Omega-3 index \<6

Exclusion Criteria:

* Dementia
* Current clinically significant depression, i.e. major depression or GDS 15 score \>7
* Ischemic or haemorrhagic Stroke
* Acute myocardial infarction
* Any form of clinically significant atherosclerotic cardiovascular disease
* Unstable angina pectoris
* Hearth failure in need of treatment
* Diabetes mellitus type 1 or 2
* Clinically relevant kidney diseases that require dialysis, including clinically significant chronic kidney disease
* Liver cirrhosis or active hepatitis B or C
* Cancer of any kind; however, benign tumours are no exclusion criterium
* Clinically relevant inflammatory or autoimmune disorders with history of hospitalisation
* Any form of systemic lupus erythematosus (SLE), rheumatoid arthritis, Colitis ulcerosa, Crohn's disease, Morbus Parkinson, Multiple Sclerosis
* hsCRP \> 3.0 mg/L to exclude high risk individuals according to international criteria
* LDL-C \> 160mg/dL to exclude individuals with high risk for arterioscleratic coronary disease26
* HBa1C \< 6.5% to exclude diabetes
* Fasting Triglycerides \>200 mg/dL
* Omega 3 index \> 6 % (as they may not show any benefit from supplementation)
* Use of fish oil / omega 3 supplements over the last 6 months
* Fish allergy
* Antibiotic use in the last 24 weeks

Where this trial is running

Stavanger

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Healthy AgingAgeing Well
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.