Clinical trials: Portion Size
Feeding Behavior
Variations in Palatability and Portion Size of Vegetables on Meal Intake of Preschool Children
The aim of the study is to determine the effect of varying both the palatability and portion size of vegetables served to preschool children at a meal on the outcomes of food and energy intake at the meal.
- Trial name
- NCT03926065
- Testing
- Plain Vegetables Served in 100% Portion Size, Plain Vegetables Served in 200% Portion Size, Enhanced Vegetables Served in 100% Portion Size
- Where
- United States
- Volunteers
- 67 people
- Sponsor
- Penn State University
Dietary Behaviors, Child Growth and Development
The Growing Well Study
What are the study aims? To understand more about eating habits and age-appropriate food/drink portion sizes of children aged 6 months-5 years old, and how this affects their growth and dental health.
- Conditions
- Dietary Behaviors, Child Growth and Development, Dental Health, Dietary Intakes
- Trial name
- GWS (NCT07698158)
- Testing
- Dietary intake and patterns (including vegetarian, vegan, and dairy-free diets)
- Where
- 6 sites in United Kingdom
- Volunteers
- 1,890 people, healthy volunteers welcome
- Sponsor
- University of Leeds
Feeding Behavior
Effect of Portion Size Over 5 Days in Preschool Children
In this study, the investigators varied the portion size of all meals served during two 5-day periods. During one period, baseline amounts of all foods and beverages were served, and during the other, the portion size of all…
- Trial name
- NCT02963987
- Testing
- Food and Beverage Portion Size
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Penn State University
Caloric Intake
Does Portion Size Influence Intake of Low-Energy-Dense Foods in Preschool-aged Children?
The purpose of this randomized controlled study using a crossover design is to investigate the main effect of portion size and food type (low-energy dense vs. high-energy dense) on caloric intake.
- Trial name
- NCT00936507
- Testing
- Energy Density/Portion Size
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- The University of Tennessee, Knoxville
Sensory Imagination
Evaluation of the Effect of Sensory Imagination on Food Portion Size in School-aged Children
The objective of this intervention is to evaluate the effect of sensory imagination (i.e., imagining the sensory properties of an object) on the choice of food portion size in school-aged children.
- Trial name
- NCT03350932
- Testing
- Sensory imagination about foods
- Where
- France
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
Feeding Behaviors
Effects of Energy Density and Portion Size of Milk in Preschool Children
In this study, the investigators varied both the energy density and portion size of milk served with a meal commonly consumed by preschool children.
- Trial name
- NCT02755558
- Testing
- Low energy density, High energy density, Small portion
- Where
- United States
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Penn State University
Obesity Type 2 Diabetes Mellitus, Obesity & Overweight
Eating Behaviour Before, During, and After Obesity Medication
This study will examine how eating behaviour changes during the first 18 months of treatment with obesity medications in patients attending the St Vincent's Healthcare Group obesity service.
- Trial name
- NCT07636395
- Where
- Ireland
- Volunteers
- 30 people
- Sponsor
- University College Dublin
Food Selection, Obesity
Changing Portion Size Descriptions in a Cafeteria
The goal of this this intervention is to test the degree to which a portion size labeling intervention influences consumer selection of smaller portions at two large cafés.
- Conditions
- Food Selection, Obesity, Weight Gain, Food Preferences
- Trial name
- NCT06263621
- Testing
- Intervention "Standard"
- Where
- 2 sites in United States
- Volunteers
- 101,481 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Pediatric Obesity, Inhibition
Brain Mechanisms of Overeating in Children
The proposed research will follow healthy weight children who vary by family risk for obesity to identify the neurobiological and appetitive traits that are implicated in overeating and weight gain during the critical…
- Conditions
- Pediatric Obesity, Inhibition, Decision Making, fMRI
- Trial name
- RO1 (NCT03341247)
- Where
- United States
- Volunteers
- 254 people, healthy volunteers welcome
- Sponsor
- Penn State University
Childhood Obesity, fMRI
Pilot Testing of Food Images in Children
This is a single, un-replicated visit to the Children's Metabolic Kitchen and Eating Behavior Lab designed to gather data on children's responses to images used in MRI studies.
- Trial name
- NCT03338634
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Penn State University
Food Habits, Food, Snack
Downsizing: Snacking in Preschool Children
The aim of the study is to investigate and compare two strategies of portion control in toddlers aged 24 to 59 months (snack replacement and snack reduction).
- Conditions
- Food Habits, Food, Snack, Acceptance Processes
- Trial name
- NCT03339986
- Testing
- Reduction or Replacement
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Sophie Reale
Feeding Behaviors
Effects of Portion Size and Energy Density of a Single Meal in Preschool Children
This study investigates the effect of varying both energy density and portion size of all foods at lunch on preschool children's intake.
- Trial name
- NCT02299531
- Testing
- Varying meal energy density and portion size
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Penn State University
Feeding Behavior
Effects of Varying Portion Size and Palatability on Food Intake of Preschool Children
The aim of the study is to determine the effect of varying both the portion size and the appeal (palatability and presentation) of foods served to preschool children at a meal on the outcomes of food and energy intake at the meal.
- Trial name
- NCT03643250
- Testing
- Smaller Portion Size and Standard Appeal (non-divided plate), Smaller Portion Size and Enhanced Appeal (divided plate), Larger Portion Size and Standard Appeal (non-divided plate)
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Penn State University
Eating
Intake Promoting Effects of Large Portions in Children
The purpose of this study is to test the effects of large food portions on children's eating. Experiment 1 will test the effect of portion size on children's consumption of sweetened beverages; we hypothesize that serving large…
- Trial name
- NCT00436878
- Testing
- Food portion size
- Where
- 2 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Temple University
Pediatric Obesity
Neural Mechanisms Underlying Children's Responses to Food Portion Size and Energy Density
Increased portion sizes of foods high in energy density (calories per gram of food) have been implicated in the obesity epidemic.
- Trial name
- NCT02759523
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Penn State University
Nutrition Assessment, Obesity
Efficacy of Portion Size Measurement Aids
Portion size measurement aids (PSMAs) are tools that facilitate the estimation of food servings. The objectives of this study are to determine (a) if food portion size estimation accuracy differs when using a two dimensional (2D)…
- Trial name
- PSMA (NCT01262768)
- Testing
- Portion Size Measurement Aids (PSMAs)
- Where
- Canada
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Alberta