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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Low dose dietary fiber Clear all
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 22, 2012 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bovine Milk Oligosaccharide Study

NCT01814540
View directory record Official record
Conditions
Healthy
Interventions
Bovine Milk Oligosaccharide, Placebo Glucose Polymer
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Sep 17, 2026, 7:54 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 6, 2026 · Synced Sep 17, 2026, 7:54 AM EDT
Not yet recruiting Phase 2 Interventional

Efficacy of Methylene Blue Photodynamic Therapy for Treatment of Deep Tissue Abscesses

NCT06052956
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, Lipid Emulsion, Insertion of optical fiber, Laser Illumination (pre-defined dose), Optical Spectroscopy Measurement, Laser Illumination (patient-specific dose), Standard of care abscess drainage
Drug · Device · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 17, 2026, 7:54 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 23, 2023 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hemp Fiber Ingestion and Gut Permeability After Exercise

NCT06204666
View directory record Official record
Conditions
Gastrointestinal Dysfunction, Metabolic Disturbance
Interventions
High Dose Hemp Fiber Bar, Low Dose Hemp Fiber Bar, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Phase 1 Interventional

Photodynamic Therapy (PDT) for Recurrent Pediatric Brain Tumors

NCT01682746
View directory record Official record
Conditions
Brain Tumor, Recurrent
Interventions
Photofrin (porfimer sodium) & photodynamic therapy.
Drug
Lead sponsor
Harry T Whelan, MD
Other
Eligibility
6 Months to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Attenuating Effect of Soluble Fiber Consumption on Postprandial Glycemia in Humans

NCT05349916
View directory record Official record
Conditions
Postprandial Hyperglycemia, Type2 Diabetes, Blood Sugar; High
Interventions
Control, Isomaltodextrin Low Dose, Isomaltodextrin High Dose, GPC partially digestible maltodextrin, Resistant Starch Type 4
Other
Lead sponsor
Purdue University
Other
Eligibility
22 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 17, 2026, 7:54 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 27, 2022 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional

Effect of Gum Arabic on Gastrointestinal Transit and Permeability

NCT03742076
View directory record Official record
Conditions
Diverticulitis
Interventions
High-dose prebiotic, Low-dose prebiotic, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 9, 2023 · Synced Sep 17, 2026, 7:54 AM EDT
Suspended Early Phase 1 Interventional Accepts healthy volunteers

Feasibility of Polychromatic Light Emitting Diode System to Reduce Pain

NCT03246282
View directory record Official record
Conditions
Pain
Interventions
UVL1000 Treatment Station, Normal Saline 0.9% Infusion Solution Bag, Peripheral Catheterization
Device · Drug
Lead sponsor
John W. Reeves, MD
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Dietary Fiber on Fecal Microbiota and Metabolism

NCT01518088
View directory record Official record
Conditions
Focus of the Study is on Gut Health
Interventions
Dietary Fiber
Dietary Supplement
Lead sponsor
Ingredion Incorporated
Industry
Eligibility
20 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional

Resistant Starch on Glucose and Insulin Sensitivity in Individuals With Type 2 Diabetes

NCT00691249
View directory record Official record
Conditions
Hyperglycemia
Interventions
Resistant Starch Type 4-Raw, Resistant Starch Type 4-Cooked, Shredded Wheat
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2009 · Synced Sep 17, 2026, 7:54 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 30, 2012 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sunfiber and the Microbiota

NCT03722862
View directory record Official record
Conditions
Diet Modification
Interventions
Low fiber, Placebo, High fiber
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
20 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Sep 17, 2026, 7:54 AM EDT
Active, not recruiting Phase 3 Interventional

ENdoluminal LIGHT ActivatED Treatment of Upper Tract Urothelial Cancer (ENLIGHTED) Study

NCT04620239
View directory record Official record
Conditions
Transitional Cell Cancer of Renal Pelvis and Ureter
Interventions
padeliporfin VTP
Drug
Lead sponsor
Steba Biotech S.A.
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
12
States / cities
Irvine, California • Los Angeles, California • Atlanta, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of an Arabinogalactan Product

NCT04005924
View directory record Official record
Conditions
Postprandial Blood Glucose
Interventions
arabinogalactan
Other
Lead sponsor
Biofortis, Merieux NutriSciences
Industry
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional

Chronic Effects of Freeze-Dried Strawberry Beverage on Cardiovascular Risk Factors

NCT01883401
View directory record Official record
Conditions
Dyslipidemia, Obesity
Interventions
Freeze-dried strawberries, Dietary fiber
Dietary Supplement
Lead sponsor
Oklahoma State University
Other
Eligibility
19 Years to 72 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Feasibility of Polychromatic Light Emitting Diode for Peripheral Catheter Illumination During Peripheral Intravenous Delivery of Normal Saline

NCT02785133
View directory record Official record
Conditions
Quality of Life, Fatigue
Interventions
UVL1000 Treatment Station, Normal Saline Solution, Peripheral Catheterization
Device · Drug
Lead sponsor
UVLrx Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
3,063 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Dose Response of a Lead Fiber Snack Prototype

NCT04729816
View directory record Official record
Conditions
Microbiota, Gastrointestinal Microbiome
Interventions
Controlled, high fat/low fiber diet background diet, sequentially supplemented with an escalating dose of a fiber-blend snack food.
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Hi-maize Resistant Starch on Insulin Sensitivity

NCT01058135
View directory record Official record
Conditions
Insulin Resistance
Interventions
Hi-maize starch (Low dose), Hi-maize starch (High-dose), Control (starch)
Other
Lead sponsor
Ingredion Incorporated
Industry
Eligibility
18 Years to 69 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Glen Ellyn, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Sep 17, 2026, 7:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Gut-Related Well-Being and Mood Effects of a Daily Nutritional Food Ingredient From the Co-Fermentation of Fungal Mycelium (Pleurotus Pulmonarius) and Microalgae (Chlorella Vulgaris)

NCT07407777
View directory record Official record
Conditions
Gastrointestinal Discomfort, Digestive Well Being, Gut-related Symptoms
Interventions
Food ingredient of oyster mushroom mycelium (Pleurotus pulmonarius) and microalgae (Chlorella vulgaris)
Dietary Supplement
Lead sponsor
Koralo GmbH
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 17, 2026, 7:54 AM EDT
Terminated Not applicable Interventional Results available

MRI Guided Prostate Cancer Focal Laser Ablation

NCT03634579
View directory record Official record
Conditions
Prostate Cancer
Interventions
MRI Guided Focal Laser Interstitial Thermal Ablation
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2020 · Synced Sep 17, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ButyraGen™, Short Chain Fatty Acids and Gut Microbiome

NCT05601635
View directory record Official record
Conditions
Healthy
Interventions
ButyraGen™
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 17, 2026, 7:54 AM EDT