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ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:35 AM EDT

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Showing 1–24 of 343 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dietary Fiber Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Effectively Educates & Directs the Microbiome Study

NCT06395324
View directory record Official record
Conditions
Microbial Colonization
Interventions
High arabinose diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 19, 2026, 1:35 AM EDT
Recruiting No phase listed Observational

A Prospective, Single-arm, Clinical Trial of Electrospun Fiber Matrix (Restrata) in the Treatment of Surgical Defects Secondary to Resection of Malignant Cutaneous Neoplasms

NCT06578650
View directory record Official record
Conditions
Surgical Wound
Interventions
Synthetic Electrospun Fiber Matrix
Device
Lead sponsor
Acera Surgical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional

The Effect of Psyllium and Wheat Bran on Body Weight in People With Parkinson's Disease and Constipation Symptoms

NCT04829760
View directory record Official record
Conditions
Parkinson Disease
Interventions
Psyllium, Coarse wheat bran, Maltodextrin
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Phase 2 Interventional Results available

IVIg for Small Fiber Neuropathy With Autoantibodies TS-HDS and FGFR3

NCT03401073
View directory record Official record
Conditions
Small Fiber Neuropathy, Idiopathic Peripheral Neuropathy
Interventions
Intravenous immunoglobulin, 0.9% Sodium Chloride
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Safety and Tolerability of Soy Fiber

NCT04499482
View directory record Official record
Conditions
Safety Issues, Tolerance
Interventions
Food
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
70 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validating eNose Measurement of Daily Fiber Intake

NCT05634044
View directory record Official record
Conditions
Dietary Fiber
Interventions
eNose Device
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Oct 19, 2026, 1:35 AM EDT
Completed No phase listed Observational Results available

Flexiva Pulse Registry

NCT05027971
View directory record Official record
Conditions
Urinary Calculi, Benign Prostatic Hyperplasia
Interventions
Flexiva Pulse High Power Single-Use Laser Fibers
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Phoenix, Arizona • Miami, Florida • Orlando, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Phase 4 Interventional Results available

Anti-CGRP for Inflammation and Pain Modulation in Small Fiber Neuropathy/Fibromyalgia

NCT04158752
View directory record Official record
Conditions
Trigeminal Neuralgia, Glossopharyngeal Neuralgia
Interventions
Galcanezumab
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional

The Effect of Whole Beans on Inflammation and Satiety

NCT01190384
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Couscous plus fiber, Grape seed extract, Bean Soup
Other · Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 19, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of a Fermented Dairy Protein With Prebiotic Fiber on GI Complaints

NCT06946017
View directory record Official record
Conditions
Digestive Health, Quality of Life
Interventions
Fermented dairy protein with prebiotic fiber supplement, Control placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 50 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrative Personal Omics Profiling for Dynamic Molecular Phenotypes Monitoring During Fiber Supplementation

NCT04706858
View directory record Official record
Conditions
Prebiotics
Interventions
Dietary fiber supplementation
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study

NCT04543877
View directory record Official record
Conditions
Inflammation, Vaccine, Intestinal Permeability, Typhoid Fever
Interventions
Inulin, Maltodextrin, Ty21a Typhoid Fever Vaccine
Dietary Supplement · Biological
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Health Benefits

NCT02177864
View directory record Official record
Conditions
Healthy
Interventions
Fiber, Placebo (low fiber bar)
Dietary Supplement · Other
Lead sponsor
Warren Bishop
Other
Eligibility
5 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 28, 2017 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional

The Effects of Fiber Fortified Foods to the Diets of Chronic Kidney Disease Patients

NCT01842087
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Control Food, Fiber Fortified Food
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Oct 19, 2026, 1:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fiber-rich Foods, Weight Status, and the Gut Microbiota in NH Hispanic Adults at Risk for Food Insecurity

NCT05488912
View directory record Official record
Conditions
Food Insecurity, Overweight and Obesity
Interventions
Not listed
Lead sponsor
University of New Hampshire
Other
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, New Hampshire
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Novel Food Product Containing Microbiota Accessible Carbohydrates on the Human Microbiome

NCT03058575
View directory record Official record
Conditions
Gut Microbiome
Interventions
Dietary MACs, Control
Dietary Supplement · Other
Lead sponsor
Access Business Group
Industry
Eligibility
40 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Effects of High Dietary Fiber Supplementation in Diabetic Chronic Kidney Disease

NCT01838330
View directory record Official record
Conditions
Kidney Disease
Interventions
psyllium
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 11, 2016 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Wheat for Improved Metabolic Health

NCT03082131
View directory record Official record
Conditions
Gut Microbiota, Metabolism, Metabolic Health
Interventions
Resistant Starch Wheat
Dietary Supplement
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
40 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Intermittent Fasting and Dietary Supplement Regimen on Glycemic Variability

NCT05493553
View directory record Official record
Conditions
Healthy, Impaired Glucose Tolerance
Interventions
Dietary supplement regimen, Dietary supplement and intermittent fasting regimen
Dietary Supplement · Other
Lead sponsor
Unicity International, Inc.
Industry
Eligibility
30 Years to 69 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Phase 2 Interventional

Low-Fat, High-Fiber Diet Compared to a Standard Diet in Treating Patients With Prostate Cancer

NCT00020995
View directory record Official record
Conditions
Prostate Cancer
Interventions
therapeutic dietary intervention
Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Resistant Starch (Type-4) on Metabolic Syndrome

NCT01887964
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
RS4 enriched flour, Control flour
Other
Lead sponsor
South Dakota State University
Other
Eligibility
18 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Brookings, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Pregabalin in Treatment of Neuropathic Pain in Patients With Idiopathic Small Fiber Neuropathy

NCT02607254
View directory record Official record
Conditions
Idiopathic Small Fiber Neuropathy
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2018 · Synced Oct 19, 2026, 1:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Chronic Pain, Opioid Use, and Epidermal Nerve Fiber Density

NCT04801498
View directory record Official record
Conditions
Chronic Pain, Opioid Use, Nerve Disorders
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 19, 2026, 1:35 AM EDT
Completed Not applicable Interventional Results available

The Role of Fiber in the Prevention and Treatment of Fecal Incontinence

NCT04806386
View directory record Official record
Conditions
Fecal Incontinence, Irritable Bowel Syndrome With Diarrhea
Interventions
Psyllium
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 90 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 19, 2026, 1:35 AM EDT