An interventional study of 100% Portion Size and 125% Portion Size in Feeding Behavior, sponsored by Penn State University. Terminated at 1 site in United States. Open to participants aged 20 Years to 65 Years. Per ClinicalTrials.gov, last updated 2019-03-18.
Sponsored by Penn State University · Not applicable, Interventional, and Basic science
The study uses a crossover design in which the portion size of food is varied at each meal. Across four test meals, subjects will be served four different portions of food, and intake will be determined from pre- and post-meal food weights. The first visit will be a screening visit, at which subjects will complete the consent form, have their height and weight measured, and rate the taste of the study food. Test meals will be scheduled once a week for four weeks. At visits 2-5, subjects will eat lunch and rate characteristics of the meal. At visit 6, subjects will complete various questionnaires. The objective of this study is to determine whether any individual characteristics related to satiety influence the effect of portion size on intake.
985 studies on the registry are indexed under Feeding Behavior; 178 are open to participants now.
This study's enrollment of 14 is below the median of 77 across 700 interventional studies indexed under Feeding Behavior.
Browse Feeding Behavior studies →Penn State University is the lead sponsor of 270 studies on the registry; 53 are open to participants now.
Of its 15 completed or terminated interventional studies of FDA-regulated products, 11 (73%) have results posted.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.
What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.
BMI (body mass index)
Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.
What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Test meal consists of baseline (100%) portion size of meal.
Other: 100% Portion Size
Test meal consists of food portion size that is 125% the size of baseline portion.
Other: 125% Portion Size
Test meal consists of food portion size that is 150% the size of baseline portion.
Other: 150% Portion Size
Test meal consists of food portion size that is 175% the size of baseline portion.
Other: 175% Portion Size
Meal portion size at baseline
Meal portion size 125% of baseline
Meal portion size 150% of baseline
Meal portion size 175% of baseline
Differences in energy intake
Calculated energy intake (kcal) based on weight and energy density of food consumed
Time frame: Weeks 1, 2, 3, and 4
Differences in intake by weight
Weights (grams) of all foods consumed
Time frame: Weeks 1, 2, 3, and 4
Sensory-specific satiety
Change in taste pleasantness of eaten foods compared to uneaten foods
Time frame: Weeks 1, 2, 3, and 4
Eating rate
Assessed from meal duration and number of bites taken
Time frame: Weeks 1, 2, 3, and 4
Ratings of hunger and satiety
100-point visual analog scales
Time frame: Weeks 1, 2, 3, and 4
Ratings of sensory characteristics of the food
100-point visual analog scales
Time frame: Weeks 1, 2, 3, and 4
Ratings of meal characteristics
100-point visual analog scales
Time frame: Weeks 1, 2, 3, and 4
Plan to share: No
No publications or documents are linked to this record.
This study is terminated, as verified in Mar 2019. You cannot join it, but the record below documents what was studied.
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