Beta-glucan, Product Claims and Satiety

Study Overview
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Brief Summary
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This is a digital clinical trial to investigate satiety and consumer preference in responses to three test breakfast bars with varying level of dietary fiber, beta-glucan, and product packages (with or without product claims) in healthy adults.

Official Title
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Effects of Beta-glucan and Product Claims for Breakfast Bars on Appetite Response and Consumer Preference: a Randomized Controlled Trial

Conditions
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Healthy

Intervention / Treatment
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* Other: Foods with beta-glucan from oats and barley


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Healthy adults 18-70 years. Habitual snack bar consumers (consume bars at least 3 times a week). Body mass index 20-29.9 kg/m² (based on self-reported weight and height). Understand the study procedures. Willing to maintain habitual diet, physical activity pattern, and body weight throughout the trial. Willing to follow study procedures on test days. Willing to abstain from strenuous exercise, consuming alcoholic drinks 24 hours before the test day. Willing to provide informed consent to participate in the study. Willing to maintain confidentiality of the study and test products. Exclusion Criteria: Pregnant or lactating women, or women who are planning to become pregnant during the study Known food allergies, sensitivity, or intolerance to any food or food ingredients Participating in another clinical trial for food, investigational drug, nutritional supplement, or lifestyle modification Taking medications that affect appetite, metabolism, or blood pressure Taking supplements with dietary fiber Presence of acute diseases or infection Presence or history of chronic diseases Diagnosed with eating disorders Restraint eaters Lost or gained 5 pounds or more in the past 3 months

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 70 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Basic Science
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Placebo Comparator: Control breakfast bar with low dietary fiber without product claims<br> | Other: Foods with beta-glucan from oats and barley<br>* Breakfast bars made with varying levels of total dietary fiber and beta-glucan, with or without claims on package image<br>* Other names: Food;|
| Experimental: Test breakfast bar with high dietary fiber without product claims<br> | Other: Foods with beta-glucan from oats and barley<br>* Breakfast bars made with varying levels of total dietary fiber and beta-glucan, with or without claims on package image<br>* Other names: Food;|
| Experimental: Test breakfast bar with high dietary fiber with product claims<br> | Other: Foods with beta-glucan from oats and barley<br>* Breakfast bars made with varying levels of total dietary fiber and beta-glucan, with or without claims on package image<br>* Other names: Food;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Hunger | Hunger as measured by visual analog scales in mm using appetite questionnaires | 30 minutes after consumption | 
| Hunger | Hunger as measured by visual analog scales in mm using appetite questionnaires | 60 minutes after consumption | 
| Hunger | Hunger as measured by visual analog scales in mm using appetite questionnaires | 90 minutes after consumption | 
| Hunger | Hunger as measured by visual analog scales in mm using appetite questionnaires | 120 minutes after consumption | 
| Hunger | Hunger as measured by visual analog scales in mm using appetite questionnaires | 180 minutes after consumption | 
| Fullness | Fullness as measured by visual analog scales in mm using appetite questionnaires | 30 minutes after consumption | 
| Fullness | Fullness as measured by visual analog scales in mm using appetite questionnaires | 60 minutes after consumption | 
| Fullness | Fullness as measured by visual analog scales in mm using appetite questionnaires | 90 minutes after consumption | 
| Fullness | Fullness as measured by visual analog scales in mm using appetite questionnaires | 120 minutes after consumption | 
| Fullness | Fullness as measured by visual analog scales in mm using appetite questionnaires | 180 minutes after consumption | 
| Desire to eat | Desire to eat as measured by visual analog scales in mm using appetite questionnaires | 30 minutes after test meal consumption | 
| Desire to eat | Desire to eat as measured by visual analog scales in mm using appetite questionnaires | 60 minutes after test meal consumption | 
| Desire to eat | Desire to eat as measured by visual analog scales in mm using appetite questionnaires | 90 minutes after test meal consumption | 
| Desire to eat | Desire to eat as measured by visual analog scales in mm using appetite questionnaires | 120 minutes after test meal consumption | 
| Desire to eat | Desire to eat as measured by visual analog scales in mm using appetite questionnaires | 180 minutes after test meal consumption | 
| Prospective consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires | 30 minutes after test meal consumption | 
| Prospective consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires | 60 minutes after test meal consumption | 
| Prospective consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires | 90 minutes after test meal consumption | 
| Prospective consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires | 120 minutes after test meal consumption | 
| Prospective consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires | 180 minutes after test meal consumption | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Flavor rating | Subjective ratings on liking of the product flavor using Likert scales | 30 minutes after test meal consumption | 
| Sweetness rating | Subjective ratings on sweetness of the product using Likert scales | 30 minutes after test meal consumption | 
| Texture rating | Subjective ratings on liking of the product texture using Likert scales | 30 minutes after test meal consumption | 
| Overall product liking | Subjective ratings on overall liking of the product using Likert scales | 30 minutes after test meal consumption | 
| Purchase intent | Likelihood of buying the product using Likert scales | 180 minutes after test meal consumption |