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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fiber cereal Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Personalized GI Motility Responses to Diet

NCT06386471
View directory record Official record
Conditions
Nutritional and Metabolic Diseases, Gastrointestinal Dysfunction, Cardiovascular Diseases, Dysbiosis
Interventions
Whole grain rye bread, Refined grain rye bread
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years to 63 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Sep 4, 2026, 5:14 PM EDT
Not listed Not applicable Interventional

Efficacy of a Low Fiber Diet for Pediatric Colonoscopy Prep

NCT05918562
View directory record Official record
Conditions
Colitis, Gastrointestinal Diseases, Pediatric Disorder, Pediatric Crohns Disease, Procedural Sequelae
Interventions
Low fiber diet, Standard clear liquid diet
Dietary Supplement
Lead sponsor
Rhode Island Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Whole Grain and Fiber Addition Study

NCT03623308
View directory record Official record
Conditions
Healthy
Interventions
Fiber cereal
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Quality Protein for Assisting With Weight Loss

NCT03085511
View directory record Official record
Conditions
Obesity
Interventions
Egg breakfast (EB), Weight Loss Counseling, Weight Loss Diet, Cereal Breakfast (CB)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2019 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Hot Cereal on Digestive Health in Children

NCT02868515
View directory record Official record
Conditions
Subjective Measures of Digestive Health Post Consumption
Interventions
Hot cereal contain 3 g dietary fiber
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
7 Years to 12 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 4, 2026, 5:14 PM EDT
Withdrawn Not applicable Interventional

Effect of a Dietary Intervention on Intracellular Lipid Levels, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT04088981
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Sep 4, 2026, 5:14 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Precision Nutrition New York Study

NCT06777498
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes
Interventions
Whole Grain Intervention then fruits and vegetables, Fruit and Vegetable Intervention and then whole grains
Other
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 4, 2026, 5:14 PM EDT
Recruiting Not applicable Interventional

Addressing Diabetes by Elevating Access to Nutrition

NCT05228860
View directory record Official record
Conditions
Diabetes, Obesity, Lifestyle, Healthy
Interventions
Vida Sana (a Group Lifestyle Intervention), Supplemental Healthy Food Deliveries
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Concord, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Corn and Heart Health Study

NCT03967990
View directory record Official record
Conditions
Gut Microbiome, Cholesterol, LDL, Cholesterol, HDL
Interventions
Refined cornmeal flour, 50/50 refined cornmeal-bran mix, Whole grain cornmeal flour
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Satiety, Glycemic, and Gastrointestinal Effects of Novel Fibers

NCT00958399
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Resistant Starch, Resistant starch + soluble fiber, Fiber made from corn starch, Fiber made from corn starch + soluble fiber
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2012 · Synced Sep 4, 2026, 5:14 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Snacks and Satiety

NCT03947281
View directory record Official record
Conditions
Eating Behavior, Overweight, Obesity
Interventions
Almond snack, Cereal-based snack
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional

Interventions to Reduce Excess Weight Gain in Pregnancy

NCT01643356
View directory record Official record
Conditions
Overweight and Obesity, Pregnancy
Interventions
Intervention to reduce excess weight gain during pregnancy
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Barley and Rice Mixture Effects on Blood Glucose

NCT03387345
View directory record Official record
Conditions
Blood Glucose, Dietary Fiber, Hunger
Interventions
100% steel cut barley, 100% barley flakes, 50/50 rice-barley mix, 80/20 rice-barley mix, 100% rice, white bread
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced Sep 4, 2026, 5:14 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Soluble Arabinoxylan and Rice Bran Fiber on the Gut Microbiome in Healthy Adults

NCT06873204
View directory record Official record
Conditions
Healthy
Interventions
Soluble Arabinoxylan, Rice Bran, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Resistant Starch Type 4 on Glycemia and Insulin Sensitivity in Young Adults

NCT00687960
View directory record Official record
Conditions
Hyperglycemia
Interventions
Resistant starch type 4 - raw, Resistant Starch Type 4 - Cooked, Dextrose, Puffed Wheat
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2008 · Synced Sep 4, 2026, 5:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fiber's Utilization for Energy and Life

NCT05934357
View directory record Official record
Conditions
Diet Habit
Interventions
Fiber, Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
22 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Addition of Whole Grains to the Diets of Middle-school Children

NCT01094652
View directory record Official record
Conditions
Healthy
Interventions
Whole grain diet, Refined grain diet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
11 Years to 15 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study Using a Wireless Motility Capsule

NCT01102894
View directory record Official record
Conditions
Food Selection
Interventions
SmartPill
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Effects on the Gut Microbiota

NCT03078283
View directory record Official record
Conditions
Gut Microbial Responses to Dietary Fiber
Interventions
high-fiber food type
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
31 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Laxation and Satiety Response of Novel Dietary Fibers

NCT01102881
View directory record Official record
Conditions
Healthy
Interventions
Glucose polymer fiber, Fiber made from corn starch, placebo
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2010 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional

Grains Reduce Adiposity and Improve Nutrition Study

NCT00924521
View directory record Official record
Conditions
Metabolic Syndrome, Insulin Resistance
Interventions
Whole grain diet, Refined grain
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
35 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Anti-inflammatory Effects of Fiber

NCT02781350
View directory record Official record
Conditions
Postprandial Inflammation
Interventions
HFHC meal, HFHC MEAL plus Fiber
Other · Dietary Supplement
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2016 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of How Morning Nutrition Influences Cognitive Performance

NCT03169283
View directory record Official record
Conditions
Cognitive Performance
Interventions
Cereal with B glucan, Cereal without B glucan
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 44 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 4, 2026, 5:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Tolerability of Oat Fiber (BG-OS) in Healthy Individuals

NCT06739941
View directory record Official record
Conditions
Digestive Health, Metabolic Health
Interventions
Oat fiber (BG-OS)
Other
Lead sponsor
One Bio Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 4, 2026, 5:14 PM EDT