Differential Metabolism of Dietary Fatty Acids

Completed · Not applicable

Conditions studied: Obesity, Diabetes, Hyperlipidemia

In brief

Differences in how diet fats are converted to energy could explain some of the reported differences in health effects among different classes of dietary fat (e.g. monounsaturated vs. saturated). Recently, this laboratory showed that monounsaturated fats are turned into energy more readily than saturated fats. These results may mean that if one feeds more monounsaturated fatty acids (MUFA) and less saturated fatty acids (SFA) in the diet, body fat might accumulate at a lower rate. This could affect the risk of obesity and Type 2 Diabetes. This project has two principal Specific Aims which will be assessed in healthy young adults who are fed liquid formulas containing either an approximately equal amount of MUFA and SFA (controls) or a much greater amount of MUFA and much less SFA: 1. To determine if a higher intake of MUFA and a reciprocally lower intake of SFA is associated with a higher rate of fat oxidation. We hypothesize that the rate of fat oxidation after eating will be higher in those subjects randomized to the MUFA-enriched diet compared to controls. 2. To measure energy intake required to maintain constant body weight during each diet and to measure fat-free mass and fat mass, before and after each dietary change. We hypothesize that those on the high MUFA diet will need a higher energy intake required to maintain constant body weight.

Key facts

Study ID
NCT00059254
Run by
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
People needed
19
Starts
2000-09-01
Expected to finish
2005-04-01
Last updated by the study team
2017-10-12

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.

Where it is running

Full record on ClinicalTrials.gov

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