Clinical trials: Portion Size
Diet, Healthy, Food Selection
Effect of kcal and PACE Labelling on Self-served Portion Size
Participants will take part in an online survey. They will be asked to choose the amount of food they would like to eat based on pictures of 18 dishes sequentially displayed on the screen.
- Trial name
- NCT04340804
- Testing
- Kcal labelling, PACE labelling
- Where
- United Kingdom
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Bioavailability, B-cell Lymphoid Cancer
A Study to Evaluate Relative Bioavailability, Proton Pump Inhibitor (PPI) (Rabeprazole) Effect, Food Effect and Particle Size Effect of New Acalabrutinib Tablet in Healthy Subjects
This study will be a 2-part, open-label, single-center relative bioavailability, PPI effect, food-effect and particle size effect randomized crossover study of acalabrutinib tablets in healthy subjects (males or females).
- Trial name
- NCT04488016
- Testing
- Treatment A- Part 1, Treatment B- Part 1, Treatment C - Part 1
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Eating Behavior
Effects of Variety and Portion Size on Meal Intake of Adults
The primary purpose of this study is to gain a better understanding of the combined effects of meal variety and portion size on food intake at a meal.
- Trial name
- NCT05152693
- Testing
- Low variety, High Variety, Small Portion Size
- Where
- United States
- Sponsor
- Penn State University
Feeding Behaviors
Effect of Portion-control Training on Food Intake
The purpose of this study is to test whether food intake in response to large portion sizes differs between women who have received portion-control training and women who have not received such training.
- Trial name
- NCT02942589
- Testing
- Meal portion size
- Where
- United States
- Volunteers
- 105 people
- Sponsor
- Penn State University
Eating Behavior
Combined Effects of Variety and Portion Size on Meal Intake of Women
The primary purpose of this study is to investigate the combined effects of meal variety and portion size on food intake at a meal.
- Trial name
- NCT05177367
- Testing
- Sequential Variety, Simultaneous Variety, Single Food
- Where
- United States
- Sponsor
- Penn State University
Nutrition Assessment
Validity of an AI-based Program to Identify Foods and Estimate Food Portion Size
The purpose of this study is to test the accuracy of the Nutrition Artificial Intelligence in the Openfit app during meals in a controlled laboratory setting
- Trial name
- PortionSizeAI (NCT05343585)
- Testing
- PortionSize AI
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
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
Childhood Obesity
Feeding, Fun, and Families Study
To develop and evaluate the efficacy of Feeding Fun and Families (FFF), a nutrition education intervention for low-income mothers emphasizing authoritative food parenting skills, on preschool aged children's energy intakes from…
- Trial name
- FFF (NCT03646201)
- Testing
- FFF
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Temple University
Feeding Behaviors
Effects of Portion Size of Multiple Items at a Meal on Food Intake of Adults
This study tests the effect of serving larger portions of all foods in a meal on the outcome of food and energy intake. Using a crossover design, participants are served the meal once a week for four weeks and the portion sizes…
- Trial name
- NCT02369588
- Testing
- Food portion size
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- Penn State University
Mood, Eating Patterns
The Effect of Portion Sizes on Mood
The purpose of this study is to investigate whether different portion sizes will effect overall mood.
- Trial name
- NCT01725425
- Testing
- Control, Increase Portion Size, Decrease Portion Size
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of Tennessee, Knoxville
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
Obesity
Varying the Energy Density and Portion Size of the Main Course After a First-course Salad
The purpose of this research is to determine whether varying the energy density and portion size of the main course will affect meal energy intake after consumption of a first course that has previously been shown to enhance…
- Trial name
- NCT01729390
- Testing
- Energy density and portion size feeding study
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Penn State University
Diet, Healthy, Eating Behavior
SEP and the Impact of Portion Size on Daily Energy Intake
Reducing food portion size is a potential strategy to reduce energy intake. There is some evidence to suggest that individuals with lower socioeconomic position (SEP) intend to eat more from larger portions, suggesting that the…
- Conditions
- Diet, Healthy, Eating Behavior, Obesity
- Trial name
- NCT05173376
- Testing
- Portion size manipulation
- Where
- United Kingdom
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
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
Diet Habit, Food Habits
Dietary Guidelines, Portion Sizes, and Time Frame
During the last update of the French FBDG, a survey with a representative sample of dieticians investigated 1) how to communicate portion sizes and 2) the most relevant time frame when delivering dietary guidelines.
- Trial name
- NCT03422939
- Testing
- there was no intervention, only separate analyses
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Grenoble Ecole de Management
Healthy Subjects
Relative Bioavailability Study on a Single Dose of GW842166X in Healthy Male and Female Subjects.
GW842166X is a selective non-cannabinoid CB2 receptor agonist, which is undergoing clinical development as a novel oral treatment for inflammatory pain.
- Trial name
- NCT00536497
- Testing
- GW842166X
- Volunteers
- healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Overweight and Obesity, Healthy Diet
Acute Intervention to Assess the Impact of Practical Strategies for Healthy Eating
Obesity has reached epidemic proportions globally, alongside its associated comorbidities including cardiovascular diseases, diabetes and cancer.
- Trial name
- PORTIONS-3 (NCT05619276)
- Testing
- Standard serving utensil toolkit, Optimsed portion-control toolkit
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Clinica Universidad de Navarra, Universidad de Navarra
Solid Tumor
A Performance and Bioavailability Study of Entrectinib in Healthy Volunteers.
This study will evaluate the bioavailability, palatability, safety and tolerability of entrectinib in healthy volunteers. Part 1 of the study will explore the performance of entrectinib multi-particle formulation.
- Trial name
- NCT03961100
- Testing
- Entrectinib 600 mg (T1), Entrectinib 600 mg (T2), Entrectinib 200 mg (R)
- Where
- United Kingdom
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Genentech, Inc.
Portion Size
Compensation for Smaller Portion Sizes and Portion Size Normality
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
- NCT03731273
- Testing
- portion size
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Liverpool