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ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:03 AM EDT

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Showing 337–360 of 871 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fiber Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Prebiotic and Probiotic Modulation of the Gut Microbiota-gut-brain Axis During Acute Stress

NCT05392556
View directory record Official record
Conditions
Stress Physiology
Interventions
Probiotic, Prebiotic, Placebo
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 19, 2026, 4:03 AM EDT
Enrolling by invitation Not applicable Interventional

Breath Hydrogen and Methane as Biomarkers of Fiber Intake

NCT07375329
View directory record Official record
Conditions
Healthy Eating
Interventions
Breath Tester
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Ecosystem Nourishment for Gut Restoration After Fecal Transplantation

NCT07826793
View directory record Official record
Conditions
Aging
Interventions
Fecal Microbiota Transplant Capsules, Microbiome Rejuvenating Diet, Placebo Fecal Microbiota Transplantation
Drug · Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effect of Oral Alpha-Cyclodextrin on Fecal Fat Excretion

NCT01910558
View directory record Official record
Conditions
Obesity, Cardiovascular Disease
Interventions
Alpha-cyclodextrin and digestible starch, Alpha-cyclodextrin, Digestible starch
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Oct 19, 2026, 4:03 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 19, 2026, 4:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Multi-level Mother-daughter Physical Activity Intervention for Pre- Adolescent Latinas

NCT07088406
View directory record Official record
Conditions
Physical Activity, Family Communication, Parenting Behavior
Interventions
Physical Activity Promotion, Healthy Eating
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
8 Years to 65 Years · Female only
Enrollment
432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity, Iron Regulation and Colorectal Cancer Risk

NCT03548948
View directory record Official record
Conditions
Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions
High heme iron diet, Low iron diet, Plant-based high non-heme iron diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years to 70 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 19, 2026, 4:03 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of an Oat Fiber Supplement on Health

NCT07714135
View directory record Official record
Conditions
Supplementation Efficacy in Health Adults on Plasticizer Removal
Interventions
Oat Fiber, Placebo
Dietary Supplement
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Not listed Not applicable Interventional

Hemofiltration in Burns: RESCUE (Randomized Controlled Evaluation of Hemofiltration in Adult Burn Patients With Septic Shock and Acute Renal Failure)

NCT01213914
View directory record Official record
Conditions
Burns, Hemofiltration, Kidney Failure, Acute, Shock, Septic
Interventions
An FDA approved continuous renal replacement device, Control Group
Device · Other
Lead sponsor
American Burn Association
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
9
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Bran Fiber Type on Subjective and Objective Measures of Appetite

NCT01560000
View directory record Official record
Conditions
Food
Interventions
Dietary fiber
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 15, 2013 · Synced Oct 19, 2026, 4:03 AM EDT
Not yet recruiting Phase 2 Interventional

A Clinical Trial of Resistant Potato Starch for Gut MDRO Decolonization

NCT07792915
View directory record Official record
Conditions
Clostridium Infections, Methicillin-resistant Staphylococcus Aureus (MRSA), Vancomycin-Resistant Enterococci, Carbapenem-Resistant Enterobacteriaceae, Asymptomatic Infections
Interventions
Resistant Potato Starch, Maltodextrin
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional

A Simple Dietary Message to Improve Dietary Quality for Metabolic Syndrome

NCT00911885
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Dietary Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Early Phase 1 Interventional

Effect of High-Legume Diet on Colorectal Cancer Risk

NCT00339469
View directory record Official record
Conditions
Inflammation, Prevention and Control, Colonic Neoplasms, Diet, Insulin
Interventions
LIFE
Dietary Supplement
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 75 Years · Male only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Response to High Amylose Rice

NCT01685879
View directory record Official record
Conditions
Diabetes Treatment (Pilot Study)
Interventions
Rice, Glucose Beverage
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 1, 2014 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch on Glycemic Response in Older Adults

NCT00676767
View directory record Official record
Conditions
Hyperglycemia
Interventions
Resistant Starch Type 4, Dextrose, Puffed wheat
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
60 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated May 23, 2008 · Synced Oct 19, 2026, 4:03 AM EDT
Recruiting Not applicable Interventional

tPBM in Older Adults With Traumatic Brain Injury

NCT06956404
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Transcranial photobiomodulator (tPBM), Transcranial photobiomodulator (tPBM) in sham mode
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Phase 3 Interventional

Control of Periodontal Infections

NCT01098448
View directory record Official record
Conditions
Periodontitis
Interventions
scaling and root planing, local tetracycline, systemic metronidazole and amoxicillin, surgery, local antibiotics and systemic metronidazole and amoxicillin, local tetracycline and periodontal surgery, periodontal surgery and systemic metronidazole and amoxicillin, surgery, local tetracycline, systemic metronidazole and amoxicillin
Other · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2010 · Synced Oct 19, 2026, 4:03 AM EDT
Recruiting Phase 1Phase 2 Interventional

Safety and Tolerability Study of ST-503 for Refractory Pain Due to Peripheral Neuropathy (Small Fiber Predominant, SFN)

NCT06980948
View directory record Official record
Conditions
Chronic Neuropathic Pain
Interventions
ST-503, Sham (No Treatment)
Genetic · Procedure
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
11
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • La Jolla, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Satiety and Alcohol Challenge

NCT06576674
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Dietary Fiber + Green Tea Extract, Alcohol, Aspartame Placebo Supplement
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 19, 2026, 4:03 AM EDT
Recruiting Not applicable Interventional

Oral Nutritional Optimization in Total Joint Arthroplasty

NCT04210284
View directory record Official record
Conditions
Osteoarthritis
Interventions
Ensure
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 19, 2026, 4:03 AM EDT
Not listed Phase 2 Interventional Results available

Ph2 NK Cell Enriched DCIs w/wo RLR9 Agonist, DUK-CPG-001 From Donors Following Allogeneic SCT

NCT02452697
View directory record Official record
Conditions
Myeloid Malignancies, Lymphoid Malignancies
Interventions
NK Cell enriched-DLI only, NK-DLI + DUK-CPG-001
Biological
Lead sponsor
Cristina Gasparetto
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Results available

Trial Assessing Renal Damage During Ureteroscopy

NCT05350423
View directory record Official record
Conditions
Nephrolithiasis
Interventions
Thulium Fibre Laser, Holmium:Yttrium-Aluminum-Garnet
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 7, 2023 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Phase 4 Interventional Results available

Mobility Training Using a Bionic Knee Orthosis in Patients Chronic Post-Stroke: A Case Series

NCT01499862
View directory record Official record
Conditions
Stroke
Interventions
Tibion Bionic Leg
Device
Lead sponsor
Tibion Bionics, Inc.
Industry
Eligibility
40 Years to 60 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2013 · Synced Oct 19, 2026, 4:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Web-based Weight Loss Intervention

NCT03400696
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Lower carbohydrate diet, Higher fiber diet, Physical activity focused
Behavioral
Lead sponsor
23andMe, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
63,656 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 19, 2026, 4:03 AM EDT