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ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:29 AM EDT

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Showing 25–48 of 232 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High fiber Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Controlled Feeding Experiment

NCT00951756
View directory record Official record
Conditions
Effect of Diet on Microbiome Composition
Interventions
High fat diet
Other
Lead sponsor
James Lewis
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 25, 2013 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Chitin-Glucan on Oxidized Low-Density Lipoprotein (LDL)

NCT01232309
View directory record Official record
Conditions
Cardiovascular
Interventions
Chitin-Glucan, Low Dose Chitin-Glucan, Low Dose Chitin-Glucan + Olive Extract, Placebo
Dietary Supplement
Lead sponsor
Stratum Nutrition
Industry
Eligibility
21 Years to 70 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Addison, Illinois • Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Oct 19, 2026, 5:29 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Novel Fiber on Glucose Homeostasis in Individuals at Risk for Diabetes

NCT00820807
View directory record Official record
Conditions
Insulin Resistance
Interventions
Novel dietary fiber, Placebo
Other
Lead sponsor
Cargill
Industry
Eligibility
30 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 17, 2011 · Synced Oct 19, 2026, 5:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Fiber on Insulin Sensitivity

NCT01521806
View directory record Official record
Conditions
Focus of the Study is Insulin Sensitivity
Interventions
Dietary Fiber
Dietary Supplement
Lead sponsor
Ingredion Incorporated
Industry
Eligibility
19 Years to 70 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Modified Ketogenic-Mediterranean Diet on Alzheimer's Disease

NCT02984540
View directory record Official record
Conditions
Mild Cognitive Impairment, Insulin Resistance
Interventions
Low-Carbohydrate Diet, Low-Fat Diet
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 19, 2026, 5:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparison of Two Different Diets on Health Outcomes

NCT00269646
View directory record Official record
Conditions
Metabolic Syndrome X
Interventions
Low-carbohydrate and high-carbohydrate diets
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 64 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 18, 2009 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Obesity and Its Metabolic Complications in Youth

NCT03454828
View directory record Official record
Conditions
Obesity, Childhood
Interventions
obese carbohydrate diet, lean carbohydrate diet
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
15 Years to 21 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 19, 2026, 5:29 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Kidney Axis in Enteric Hyperoxaluria

NCT05124886
View directory record Official record
Conditions
Enteric Hyperoxaluria
Interventions
Moderately High Oxalate (MOx) Diet
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reduction of Shear Forces Using Semi-flexible Sockets on Transtibial Amputees

NCT03390153
View directory record Official record
Conditions
Amputation
Interventions
semi flexible socket, rigid fiber socket
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Influence of Diet on GI Health

NCT04783142
View directory record Official record
Conditions
Healthy
Interventions
High-fiber, low-protein diet, Low-fiber, high-protein diet
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Anti-inflammatory Effects of the Fiber

NCT02868788
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
dietary fiber, HFHC meal
Dietary Supplement · Other
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 19, 2026, 5:29 AM EDT
Recruiting Not applicable Interventional

A Dietary Study for People With Multiple Myeloma

NCT07226609
View directory record Official record
Conditions
Multiple Myeloma
Interventions
nutrition counseling and coaching, dietary guidelines, research dietitian visit, Questionnaires, Frozen pre-prepared meals
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Short-chain Fatty Acids on Aerobic Endurance

NCT06054607
View directory record Official record
Conditions
Aerobic Endurance, Metabolism
Interventions
High-amylose maize starch+acetate/butyrate, Low-amylose maize starch
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 19, 2026, 5:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Bioavailability Study of Hemp Phenolics

NCT06098001
View directory record Official record
Conditions
Bioavailability, Metabolites, Excretion
Interventions
Low dose dietary fiber, High dose dietary fiber
Dietary Supplement
Lead sponsor
Brightseed
Industry
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Understanding the Exercise-Hypertension Paradox

NCT02034422
View directory record Official record
Conditions
Hypertension
Interventions
Oral Antioxidant, Exercise rehabilitation
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 60 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Oct 19, 2026, 5:29 AM EDT
Not listed Phase 2Phase 3 Interventional

Manual Therapy in Addition to Pulmonary Rehabilitation in Moderate Chronic Obstructive Pulmonary Disease.

NCT04386590
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease Moderate
Interventions
Manual Therapy Plus Pulmonary Rehabilitation, Sham Intervention
Other
Lead sponsor
Canandaigua VA Medical Center
Federal
Eligibility
50 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Phase 1 Interventional

Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities

NCT02240498
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, 20% I.V. Fat Emulsion, Insertion of optical fiber, Laser illumination, 5 minutes, Laser illumination, 10 minutes, Laser illumination, 15 minutes, Laser illumination, 20 minutes, Laser illumination, 25 minutes, Laser illumination, 30 minutes, Optical spectroscopy measurement
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 19, 2026, 5:29 AM 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 Nov 1, 2019 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Evaluating Impact of NIRAF Detection for Identifying Parathyroid Glands During Parathyroidectomy

NCT04299425
View directory record Official record
Conditions
Parathyroid Adenoma, Parathyroid Neoplasms, Parathyroid Hyperplasia, Parathyroid Cancer, Hypercalcemia, Primary Hyperparathyroidism
Interventions
NIRAF Detection Technology
Device
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional

Trial of Neurostimulation and Blood Flow Restriction for PFPS in Active Duty

NCT04086615
View directory record Official record
Conditions
Patellofemoral Pain Syndrome
Interventions
NMES and exercise supplemented with high BFR, NMES and exercise supplemented with low BFR
Device
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 44 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Fort Campbell North, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hunger and Learning Study in Preschoolers

NCT03861208
View directory record Official record
Conditions
Hunger, Ingestive Behavior, Obesity, Food Preferences
Interventions
diet, usual diet
Other
Lead sponsor
University of Virginia
Other
Eligibility
3 Years to 4 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Soluble Corn Fiber on Gastrointestinal Tolerance and Fecal Microbiome in Healthy Children

NCT05213494
View directory record Official record
Conditions
Gastrointestinal Tolerance
Interventions
Inulin, soluble corn fiber
Other
Lead sponsor
Tate & Lyle
Industry
Eligibility
3 Years to 9 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 28, 2022 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of a Dietary Supplement in Lowering SAH in Healthy Adults With Elevated Plasma SAH and Normal Homocysteine Levels

NCT05994794
View directory record Official record
Conditions
Elevated S-adenosylhomocysteine
Interventions
Alpha-GPC, Creatine and Ashwagandha (Sensoril®), Placebo
Dietary Supplement · Other
Lead sponsor
Standard Process Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
South Gate, California
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 19, 2026, 5:29 AM EDT
Completed Not applicable Interventional

Efficacy and Safety of the DASH Diet in Adults With Moderate Chronic Kidney Disease: Pilot Study

NCT02059811
View directory record Official record
Conditions
Hypertension, Chronic Kidney Disease
Interventions
DASH Diet, Control Diet
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2014 · Synced Oct 19, 2026, 5:29 AM EDT