Clinical trials: Portion Size
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
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
Healthy, Appetite
Pasta Formulations, Portion Sizes and Their Effect on Appetite
Investigators are interested in learning how appetite responds to pasta containing different amounts of protein and fiber when provided in two different portion sizes.
- Trial name
- SET (NCT01199770)
- Testing
- Control, small, Experimental B, small, Experimental pasta C, small
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
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
Portion Size
Using the Norm Range to Predict the Effect of Food Portion Size Reductions on Compensation Over 5 Days
Reducing food portion size is a potential strategy to reduce energy intake. However it is unclear at what point consumers compensate for reductions in portion size by increasing energy intake from other items.
- Trial name
- NCT03811210
- Testing
- portion size
- Where
- United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
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
Eating Behavior, Obesity
Investigating the Effects of Altering Portion Size Reduction Awareness on Compensatory Eating Behaviour
The present study aims to investigate whether energy intake is reduced when participants consume a reduced portion size (15% compared to the 'control' portion), and also to see whether awareness of this reduction affects energy…
- Trial name
- NCT06119295
- Testing
- Portion size manipulation
- Where
- United Kingdom
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
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
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
Satiation
The Lunch Study: the Combined Effects of Food Texture and Portion Size on Intake
Meal size is strongly influenced by a number of external features of the food environment which can promote over-consumption, such as the availability of palatable energy dense foods and large portion sizes.
- Trial name
- NCT02977273
- Testing
- Thin/100% Portion, Thin/150% Portion, Thick/100% Portion
- Where
- Singapore
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Singapore Institute of Food and Biotechnology Innovation
Diet, Healthy, Eating Behavior
SSS and the Impact of Portion Size on Daily Energy Intake
Reducing food portion size is a potential strategy to reduce energy intake. However, it remains unclear who is most susceptible to the portion size effect (PSE).
- Conditions
- Diet, Healthy, Eating Behavior, Obesity
- Trial name
- NCT05399836
- Testing
- Portion size manipulation
- Where
- United Kingdom
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Eating Behavior, Obesity
Liking of Snack Foods - Sub-Study 1
Specific Aims: Environmental factors contributing to overconsumption, such as larger food portion sizes, may be contributing to the obesity epidemic.
- Conditions
- Eating Behavior, Obesity, Satiation
- Trial name
- NCT00200213
- Testing
- portion or unportioned food
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- The Miriam Hospital
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
Portion Sizes
Portion Size Effects on Body Weight:Free Living Setting
The study purpose was to evaluate the effects of portion sizes on body weight and energy intake in a free-living setting. 223 healthy adults were recruited from an urban worksite and randomized to one of four groups for a…
- Trial name
- NCT01820403
- Testing
- portion size kcal of box lunch
- Where
- United States
- Volunteers
- 233 people, healthy volunteers welcome
- Sponsor
- University of Minnesota