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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 779 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: dietary fiber Clear all
Terminated Not applicable Interventional

Measurements From Stool to Support Dietary Change

NCT04037306
View directory record Official record
Conditions
Diet Habit, Feeding Behavior, Behavior, Health
Interventions
Butyrate Feedback, Fiber Feedback
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 22, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

Carbo-fix Lateral Plate Devices and Standard Plate-Nail Constructs in Distal Femur Fractures

NCT07280169
View directory record Official record
Conditions
Distal Femur Fracture
Interventions
Carbo-fix Lateral Plate Device, Standard Plate-Nail Construct
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Terminated Not applicable Interventional Results available

Endoscopic Optical Coherence Tomography for Screening and Diagnosis of Colorectal Precancerous and Malignant Polyps

NCT05179837
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Cancer of the Rectum, Cancer of the Colon, Precancerous Polyp, Malignant Polyp
Interventions
Optical coherence tomography probe
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 22, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

Small Nerve Fiber Activity in Patients with Carpal Tunnel Syndrome Assessed Via Quantitative Sensory Testing

NCT06550284
View directory record Official record
Conditions
Carpal Tunnel Syndrome
Interventions
Physical Therapy
Other
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Oct 22, 2026, 2:06 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 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Dietary Fiber for Fecal Incontinence

NCT01738607
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Psyllium, Gum Arabic, carboxymethylcellulose, Placebo
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 22, 2026, 2:06 AM EDT
Completed No phase listed Observational

Therapeutic Plasma Exchange in MG

NCT01927692
View directory record Official record
Conditions
Myasthenia Gravis
Interventions
Skin biopsy, Single Fiber Electromyography
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Potato Fiber and Gastrointestinal Function: Phase 3

NCT01964599
View directory record Official record
Conditions
Gastrointestinal Symptoms, Gastrointestinal Transit Time, Stool Frequency
Interventions
PF-RS, PF-RO1, PF-RO2, Control
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Oct 22, 2026, 2:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Soluble Corn Fiber for Promoting Executive Function Study

NCT05066425
View directory record Official record
Conditions
Health
Interventions
Soluble Corn Fiber, Maltodextrin
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
45 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Effect of Calcium Polycarbophil on Type II Diabetes Mellitus Control: a Randomized Double-blind Study

NCT01252524
View directory record Official record
Conditions
Diabetes Mellitus Type II
Interventions
Placebo, Calcium polycarbophil
Drug
Lead sponsor
East Carolina University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2012 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional Results available

Xylitol for Caries Prevention in Inner-City Children

NCT01901250
View directory record Official record
Conditions
Dental Caries
Interventions
Xylitol gummy bears, Sugar free fiber gummy bears, Oral health education, Fluoride varnish, Dental sealant
Dietary Supplement · Behavioral · Device
Lead sponsor
Case Western Reserve University
Other
Eligibility
5 Years to 6 Years
Enrollment
562 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Oct 22, 2026, 2:06 AM EDT
Completed No phase listed Observational

Effect of Viscous Fiber on Postprandial Kalemic Response in Hemodialysis Patients

NCT05086185
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
Kalemic Response to Orange Juice, Kalemic Response to Orange Juice with Fiber
Diagnostic Test · Dietary Supplement
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 89 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional

UC Cohort - The Influence of Diet on Gut Microbiotas

NCT04933162
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
High Protein and Low Fiber Diet, Low Protein and High Fiber Diet
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 22, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

From Opinion to Evidence: Multi-site Evaluation of Custom Dynamic Orthosis Best Practices

NCT06352788
View directory record Official record
Conditions
Foot Injury
Interventions
Modular Carbon Fiber Custom Dynamic Orthosis (CDO), Mono Carbon Fiber Custom Dynamic Orthosis (CDO)
Device
Lead sponsor
Jason Wilken
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
5
States / cities
San Diego, California • Iowa City, Iowa • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Active, not recruiting Early Phase 1 Interventional

The Gut, Liver And Metabolome in Human Immunodeficiency Virus and Non Alcoholic Fatty Liver Disease

NCT06113003
View directory record Official record
Conditions
HIV, Non-Alcoholic Fatty Liver Disease, Metabolic-Associated Steatotic Liver Disease
Interventions
Prebiotic, Probiotic
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Active, not recruiting Not applicable Interventional

Full Plate Living Nutrition Education Program

NCT07271940
View directory record Official record
Conditions
Diabetes Mellitus, Pre Diabetes, Obesity
Interventions
Full Plate Living Nutrition Education Program
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
22 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Objective Assessment of Sensory Nerve Fiber Sensitivity

NCT03596489
View directory record Official record
Conditions
Nerve Pain
Interventions
Not listed
Lead sponsor
Julia Finkel
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 22, 2026, 2:06 AM EDT
Not yet recruiting Phase 2 Interventional

Inulin Supplementation for Reducing Inflammation and Knee Pain in Older Adults With Osteoarthritis

NCT07189585
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
inulin, Maltodextrin (Placebo)
Drug
Lead sponsor
Yale University
Other
Eligibility
40 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smart Underwear to Measure Diet-Induced Hydrogen Sulfide Production

NCT06802276
View directory record Official record
Conditions
Hydrogen Sulfide, Gastrointestinal Microbiome
Interventions
High Cysteine Diet, Low Cysteine Diet
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Psyllium on Niacin Tolerability

NCT03370848
View directory record Official record
Conditions
Flushing, Hyperlipidemias, Dyslipidemias
Interventions
Psyllium, Aspirin
Dietary Supplement · Drug
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 22, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Confocal Endomicroscopy of Pancreatic InVivo

NCT01035008
View directory record Official record
Conditions
Pancreatic Cysts
Interventions
Endoscopic Ultrasound (EUS)
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Oct 22, 2026, 2:06 AM EDT
Not listed Not applicable Interventional

UCLA Breast Cancer Survivor Health Promotion Research Study

NCT05113485
View directory record Official record
Conditions
Breast Cancer
Interventions
Diabetes Prevention Program-based lifestyle change intervention (DPP), Highly Microbiota-Accessible Foods (HMAFs) intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 22, 2026, 2:06 AM EDT
Not listed Not applicable Interventional

Pectin Use in Pediatric Intestinal Rehabilitation

NCT04224168
View directory record Official record
Conditions
Short Bowel Syndrome
Interventions
Green Beans, Liquid Pectin
Dietary Supplement
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
6 Months to 21 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 22, 2026, 2:06 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 10, 2026 · Synced Oct 22, 2026, 2:06 AM EDT