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Clinical Trial Summary

The purpose of this study is to determine whether a prolonged (9 month) high (6g/d) of marine oil improves insulin sensitivity and glucose control in subjects with impaired glucose regulation.


Clinical Trial Description

The incidence of Type 2 diabetes is related both to age and obesity. The disease impacts on quality of life and treatments represent a major health cost. Prevention or delayed onset of the disease remains a key target. Animal studies have shown that provision of high amounts of fish oil in the diet improves insulin sensitivity but human trials have proved equivocal. Recent dose-response trials in animals have shown the improved insulin sensitivity only occurs when the proportion of n-3 long chain polyunsaturated fatty acids (n-3 PUFA), docosahexaenoic acid and eicosapentaenoic acid, exceeds 14% of the total phospholipid fraction within tissue cell membranes. To achieve such values in humans would require a high dose of n-3 PUFA supplied over a prolonged period of time. This is tested within the current study where a daily dose of 6 g day of fish oil (containing a total of 3g docosahexaenoic acid plus eicosapentaenoic acid) is supplied for 9 months. As well as improving control of glycemia increased insulin sensitivity may also enhance protein metabolism and reduce the impact of frailty in older subjects. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01241474
Study type Interventional
Source University of Aberdeen
Contact
Status Completed
Phase N/A
Start date February 2009
Completion date June 2012

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