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Effect of a High-Protein, High-Fiber Pre-Fast Meal on Satiety and Glycemic Profiles During Fasting
Sponsor: King Faisal University
Summary
This randomized crossover study investigates the effect of consuming a high-protein, high-fiber pre-fast meal on subjective satiety and glycemic responses during fasting hours in healthy adults. Participants will complete two dietary conditions in a randomized order: a standardized high-protein, high-fiber pre-fast meal and a low-protein, low-fiber pre-fast meal guided by dietary instructions. Each condition will be followed for two consecutive days and separated by a three-day washout period. Outcomes include subjective appetite sensations during fasting hours, glycemic profiles assessed using continuous glucose monitoring (CGM), and exploratory analyses examining the association between glucose dynamics and appetite sensations.
Official title: Effect of a High-Protein, High-Fiber Pre-Fast Meal on Satiety and Glycemic Profiles During Fasting: A Randomized Crossover Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
38
Start Date
2026-02-23
Completion Date
2026-03-23
Last Updated
2026-03-12
Healthy Volunteers
Yes
Conditions
Interventions
High-Protein, High-Fiber Meal
Participants consume a standardized high-protein, high-fiber pre-fast meal consisting of oats (40 g), Greek yogurt (160 g), peanut butter (16 g), dried cranberries (10 g), and almonds (6 g) for two consecutive days.
Low-Protein, Low-Fiber Meal
Participants follow standardized written dietary instructions, including a list of foods to avoid, to consume a low-protein, low-fiber pre-fast meal for two consecutive days. No calorie restriction is applied.
Locations (1)
King Faisal University
Al-Ahsa, Eastern Province, Saudi Arabia