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RECRUITING Not applicable ClinicalTrials.gov

Interaction Between White Potato Consumption and Meal Timing on Glycemic Response and Appetite in Adults [Experiment 2]

Sponsor: Toronto Metropolitan University • ClinicalTrials.gov ID: NCT07854938

Registry updated: 2026-10-02
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Description

The purpose of this study is to evaluate the interaction between white potato consumption and meal timing on glycemic response, subjective appetite, and energy intake in adults. The investigators hypothesize that white potatoes will modulate glycemic response, enhance satiety, and mitigate subsequent meal consumption and overall food intake when compared with meals containing low glycemic carbohydrates. Furthermore, they anticipate that the timing of white potato consumption will yield differential effects, with breakfast consumption exerting a more pronounced impact on satiety and subsequent food intake reduction compared to dinner consumption.

Interventions

  • Oven-baked Home Fries (Other)
    Oven-baked Home Fries (241 g; McCain Ltd.). Test treatments matched for calories (284 kcal)
  • Oven-baked White Russet Potato (Other)
    Oven-baked White Russet Potato (299 g). Test treatments matched for calories (284 kcal)
  • Oven-baked Fries (Other)
    Oven-baked Fries (241 g; McCain Ltd.). Test treatments matched for calories (284 kcal)
  • Deep Fried, Quick Serve Fries (Other)
    Deep Fried, Quick Serve Fries (108 g; McCain Ltd.). Test treatments matched for calories (284 kcal)
  • Oven-baked Cauliflower Veggie Tots (Other)
    Oven-baked Cauliflower Veggie Tots (172 g; Green Giant). Test treatments matched for calories (284 kcal)
  • No Side (Other)
    No side control (no caloric contribution).

Eligibility criteria

Inclusion Criteria: * 18 - 65 years * within the healthy body weight range \[body mass index (BMI) between 18.5 - 24.9 kg/m2\]. Exclusion Criteria: * have a previous diagnosis of diabetes and gastrointestinal, liver or kidney disease; * have had a major medical or surgical event within the past 6 months; * have had any significant weight fluctuation in the past 6-months; * are taking medication that may influence dependent measures; * are or have been on a diet within the past 6 months; * skip breakfast or are unable to consume test treatment food.

Conditions

Healthy Adult Appetite Mealtiming Glycemic Response

Locations

  • Centre for Urban Centre for Urban Innovation (CUI-109), School of Nutrition, Toronto Metropolitan University — Toronto, Ontario, Canada
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record