Interaction Between White Potato Consumption and Meal Timing on Glycemic Response and Appetite in Adults

Recruiting now · Not applicable

Conditions studied: Healthy, Adult, Appetite, Glycemic Response, Mealtiming

In brief

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.

Key facts

Study ID: NCT07230951
Run by: Toronto Metropolitan University
People needed: 30
Starts: 2025-10-30
Expected to finish: 2027-10-01
Last updated by the study team: 2025-11-17

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

18 - 65 years
within the healthy body weight range [body mass index (BMI) between 18.5 - 24.9 kg/m2].

You may not qualify if…

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.

Where it is running

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

Full record on ClinicalTrials.gov

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