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Clinical Trial Summary

Diet and nutrition are key to maintain human health. Westlake N-of-1 Trials for Macronutrient Intake (WE-MACNUTR) trial investigates individualized postprandial glycemic responses to different proportions of dietary fat and carbohydrates intake using an n-of-1 experimental study design. The experimental diets are isocaloric high fat, low carbohydrate (HF-LC) or low fat, high carbohydrate (LF-HC). With standardized intervention and strictly controlled eating behaviors, the WE-MACNUTR study identifies specific HC-responders and HF-responders in terms of postprandial glucose response. This is a follow-up study offered to participants who have completed the WE-MACNUTR study in 2019. Volunteers will be asked to participate in four 5-d periods while wearing glucose monitors (Abbott Freestyle Libre) with the following experimental sequence: 1) a washout diet, 2) HF-LC or LC-HF diet, 3) a washout diet, 4) HF-LC or LC-HF diet. The experimental diet will be randomly assigned. Participants will be asked to provide a fasted blood sample and to collect fecal, urine and saliva samples at each visits.


Clinical Trial Description

This study is a two arm dietary intervention study. Participants will be recruited from the WE-MACNUTR study based on the defined inclusion and exclusion criteria. The study duration will last up to 21 days. Volunteers will be asked to participate in four 5-day periods while wearing glucose monitors (Abbott Freestyle Libre) with the following experimental sequence: 1) a washout diet, 2) HF-LC or LC-HF diet, 3) a washout diet, 4) HF-LC or LC-HF diet. The experimental diet will be randomly assigned. Participants will enter the study on a usual (washout) diet and will have a 5-day run in period for baseline data collection. Participants will be asked to follow dietary guidance and consumed a healthy and balanced diet during this period. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05161182
Study type Interventional
Source Westlake University
Contact
Status Completed
Phase N/A
Start date October 30, 2021
Completion date November 19, 2021

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