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Older People, Omega-3, and Cognitive Health

An 18 month study investigating the effects of long chain omega-3 polyunsaturated fatty acids supplementation on cognition and wellbeing in older people.

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12607000278437
Acronym
EPOCH
Enrollment
400
Registered
2007-05-24
Start date
2007-08-01
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

Study design: a parallel 18-month randomised, double-blind, placebo-controlled intervention trial with repeated measures every 6 months, totalling 4 measurement points. Participants: 400 men & women, aged 65-90 years. Intervention: Half the participants will receive fish-oil capsules and the other half will receive placebo capsules for 18 months. Outcome measures: cognitive performance and cognitive change, well-being, blood pressure, oxidative stress, and inflammation. Demographic and nutritional data will be collected as covariates.

Interventions

18 month intervention of either: ACTIVE: long chain omega-3 polyunsaturated fatty acids (430mg DHA; 150 mg EPA) Participants will consume 2 capsules in the morning and 2 in the evening for 18 months.

Sponsors

Commonwealth Scientific Industrial Research Organisation
Lead SponsorGovernment body

Study design

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

Eligibility

Sex/Gender
All
Age
65 Years to 90 Years
Healthy volunteers
Yes

Inclusion criteria

• fluency in the English language • agree to not commence own n-3 fish-oil (or algal) supplementation throughout the duration of the study

Exclusion criteria

• already taking n-3 fish-oil (or algal) supplements • inability to swallow capsules• physically unable to attend laboratory/use pen and paper • diagnosed with intellectual disability, clinical depression, dementia • score < 24 on the dementia screeening measure at screening, have had head injury, stroke, coronary artery bypass surgery, any known degenerative neurological disease, history of alcohol or drug abuse

Outcome results

None listed

Source: ANZCTR · Data processed: Mar 28, 2026