About this trial
The goal of this clinical trial is to test whether food timing impacts metabolic health in healthy participants.
Participants will:
* complete 2 inpatient stays * be provided with test meals * have frequent blood draws
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Healthy with no acute or chronic medical and psychiatric disorders
BMI: 18.5-29.9 kg/m2
Disqualifiers
Smokers, current tobacco or e-cigarette use
Drug or alcohol dependency
Pregnant
Trial design
Crossover
Treatments tested in this trial
Day shift protocol - Diet order A-B
BehavioralResearch participants will be assigned to day shift condition and Diet A-B order condition.
Day shift protocol - Diet order B-A
BehavioralResearch participants will be assigned to day shift condition and Diet B-A order condition.
Night shift protocol - Diet order A-B
BehavioralResearch participants will be assigned to simulated night shift condition and Diet A-B order condition.
Night shift protocol - Diet order B-A
BehavioralResearch participants will be assigned to simulated night shift condition and Diet B-A order condition.
Treatment groups
Trial outcomes
Primary outcomes
Difference in glucose tolerance between Meal Conditions and Shift Work
Glucose incremental area under the curve (AUC) from mixed meal tests
Difference in diet-induced thermogenesis between Meal Conditions and Shift Work
Postprandial energy expenditure incremental area under the curve (AUC) from mixed meal tests
Difference in plasma triglyceride level between Meal Conditions and Shift Work
Triglyceride area under the curve (AUC) over 24 hours
Secondary outcomes
Difference in insulin sensitivity between Meal Conditions and Shift Work
Insulin sensitivity index derived from Oral Minimal Model
Difference in beta-cell function between Meal Conditions and Shift Work
Beta-cell function index derived from Oral Minimal Model
Difference in 24-h glycemia between Meal Conditions and Shift Work
Glucose area under the curve (AUC) based on CGM over 24 hours
Difference in postprandial incretin level between Meal Conditions and Shift Work
Incretin incremental area under the curve (AUC) from mixed meal tests
Sponsors and contacts
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