Cardiometabolic and cognitive benefits of omega-3 polyunsaturated fatty acids and curcumin supplementation in older, sedentary and overweight/obese adults
- Conditions
- ObesityCardiovascular - Diseases of the vasculature and circulation including the lymphatic systemDiet and Nutrition - ObesityMental Health - Studies of normal psychology, cognitive function and behaviour
- Registration Number
- ACTRN12616000732482
- Lead Sponsor
- Professor Peter Howe
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 160
Age 50-80 years old (women must be >12 months postmenopausal)
BMI 25-40kg/m2
Self-reported physical activity level <150min per week
Consuming < 2 fish/seafood meals per week
Consuming up to 300mg/d of LCn-3 PUFA from fish oil supplements or enriched foods
No change in medication type or dose for 1 month before the intervention
Clinic BP >160mmHg systolic or 100mmHg diastolic (determined at screening)
Suspected dementia (ACE-III score <82/100)
Smokers or currently on nicotine therapy
Neurological conditions
Heart/kidney/liver disease
Insulin therapy
Regularly consuming more than four standard alcoholic drinks per day
Major depression as diagnosed by a health care professional
Illiterate
Unwilling to maintain pre-enrolment physical activity levels and dietary habits for the duration of the trial
Unwilling to refrain from consuming stimulants before each clinic visit
Unwilling to provide a blood sample
Have any other medical condition or treatments (including supplements) which, in the investigators’ opinion, may confound the outcome of the study.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method To determine in overweight/obese and sedentary older adults the effects of 16-week supplementation with DHA-rich fish oil (Omega Brain) and curcumin (Brain Active), alone or in combination, on CVR to hypercapnia, assessed by transcranial doppler (TCD) ultrasound. [Week 0 and 16 weeks post intervention commencement.]
- Secondary Outcome Measures
Name Time Method