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ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:03 PM EDT

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Showing 433–456 of 871 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fiber Clear all
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, 1:03 PM EDT
Completed Phase 3 Interventional Results available

Standard Chemotherapy vs. Chemotherapy Guided by Cancer Stem Cell Test in Recurrent Glioblastoma

NCT03632135
View directory record Official record
Conditions
Recurrent Glioblastoma
Interventions
ChemoID assay, Chemotherapy
Diagnostic Test · Drug
Lead sponsor
Cordgenics, LLC
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
13
States / cities
Los Angeles, California • New Orleans, Louisiana • Scarborough, Maine + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food, Adolescence, Mood, and Exercise

NCT02015377
View directory record Official record
Conditions
Overweight, Obesity
Interventions
High sugar versus low sugar meals
Other
Lead sponsor
University of Southern California
Other
Eligibility
14 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 19, 2026, 1:03 PM 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, 1:03 PM EDT
Not listed Not applicable Interventional

The Effect of a High Fiber Diet and High-Intensity Interval Exercise in Patients With HFpEF

NCT05236413
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
High Intensity Interval Exercise, Dietary Approaches to Stop Hypertension (DASH) Diet, Exercise + DASH Diet
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 19, 2026, 1:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Clean Trial - Chlorination to Reduce Enteric and Antibiotic Resistant Infections in Neonates

NCT06824350
View directory record Official record
Conditions
Sepsis, Neonatal Mortality, Antibiotic Resistant Infection, Enteric Infections, Serious Bacterial Infection
Interventions
chlorination for water disinfection and surface disinfection, infection prevention and control messaging
Device · Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
Not listed
Enrollment
45,450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 19, 2026, 1:03 PM 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, 1:03 PM EDT
Recruiting Not applicable Interventional

Effect of Watermelon on Gut and Cardiometabolic Health

NCT06588218
View directory record Official record
Conditions
Obesity and Overweight, Dysbiosis
Interventions
Watermelon, Belvita Breakfast Sandwich + 12 oz Water
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Comparative Study of Two Topical Anesthetics Prior to Fractional Nonablative Laser Treatment of the Face

NCT04523961
View directory record Official record
Conditions
Anesthesia, Local, Photodamaged Skin, Topical and Infiltration Anesthetic Toxicity
Interventions
2.5 g of lidocaine 23% / tetracaine 7% ointment without occlusion, 7.5 g lidocaine 2.5%/ prilocaine 2.5% cream with occlusion
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Recruiting Not applicable Interventional

Neutrophil and Monocyte Deactivation Via the SeLective CytopheretIc Device - A Randomized Clinical Trial in Acute Kidney Injury

NCT05758077
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Selective Cytopheretic Device, Standard of Care
Device · Other
Lead sponsor
SeaStar Medical
Industry
Eligibility
18 Years and older
Enrollment
339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 30 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Completed No phase listed Observational

Fiber-Optic Confocal Microscopy of the Urinary Tract Histopathology

NCT00801762
View directory record Official record
Conditions
Bladder Cancer
Interventions
Fibered confocal microscope
Device
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Not applicable Interventional

Video-Laryngoscope Alone or With Bronchoscope for Predicted Difficult Intubation

NCT03080896
View directory record Official record
Conditions
Intubation; Difficult
Interventions
King Vision video-laryngoscope with #3 disposable blade and endotracheal tube stylet, fiberoptic bronchoscope aScope III
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Oct 19, 2026, 1:03 PM 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 25, 2019 · Synced Oct 19, 2026, 1:03 PM EDT
Recruiting Not applicable Interventional

Impact of Dietary Fiber Supplementation on Colonic Microbiome

NCT05643859
View directory record Official record
Conditions
Benign Colorectal Neoplasm, Non-Neoplastic Anal Disorder
Interventions
Dietary Fiber, Proctoscopy or anoscopy with Biopsy, Colonoscopy, Questionnaire Administration
Dietary Supplement · Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Not yet recruiting Not applicable Interventional

Fiber Product for Gas, Bloating, and Bowel Regularity

NCT06642766
View directory record Official record
Conditions
Bloating, Bowel Irregularities, Bowel Gas
Interventions
Fiber supplement
Dietary Supplement
Lead sponsor
Bell Cinical Service
Industry
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Edina, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 19, 2026, 1:03 PM 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 12, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Not listed Not applicable Interventional

Efficacy of Oxepa Enteral Feeding in LTAC (Long Term Acute Care Hospital) Patients on Chronic Ventilation- a Pilot Study

NCT02208700
View directory record Official record
Conditions
Acute Lung Injury, Mechanical Ventilation Complication, Dietary Modification
Interventions
Oxepa, Jevity 1.5
Other
Lead sponsor
Grace Hospital, Cleveland, Ohio
Other
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 19, 2026, 1:03 PM EDT
Not listed Not applicable Interventional

Gut Microbiome and p-Inulin in CKD - TarGut CKD Study

NCT03348592
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Oligofructose-enriched inulin (p-inulin), No treatment
Dietary Supplement · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Oct 19, 2026, 1:03 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

PsylliumRx Dietary Fiber Study

NCT03629119
View directory record Official record
Conditions
Obesity, Childhood Obesity
Interventions
Dietary Fiber Supplement
Dietary Supplement
Lead sponsor
Kaiser Permanente
Other
Eligibility
12 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Determine the Effect of a Cobiotic Formulation on the Gastrointestinal Microbiome

NCT01724736
View directory record Official record
Conditions
Pre Diabetic
Interventions
Placebo, NM504:
Drug
Lead sponsor
NuMe Health
Industry
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pinpoint Trial: Prebiotics IN Peanut Oral ImmunoTherapy

NCT05138757
View directory record Official record
Conditions
Peanut Allergy
Interventions
Prebiotic, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
4 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Chicago, Illinois • Hyde Park, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Satiety Effects of Protein and Fiber Added to Pasta

NCT01792596
View directory record Official record
Conditions
Food Selection
Interventions
Pasta with protein, Pasta with Fiber, Pasta
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Not applicable Interventional Results available

A Comparison of Ureteroscopic Treatment of Nephrolithiasis With and Without Moses Technology

NCT04505956
View directory record Official record
Conditions
Nephrolithiasis
Interventions
Holmium laser lithotripsy with Moses Technology, Holmium laser lithotripsy without Moses Technology
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
6
States / cities
Phoenix, Arizona • San Diego, California • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 19, 2026, 1:03 PM EDT
Completed Phase 1Phase 2 Interventional

The Effect of Melatonin Upon Post-Acute Withdrawal Among Males in a Residential Treatment Program

NCT02431728
View directory record Official record
Conditions
Substance Withdrawal Syndrome
Interventions
Melatonin, Matched Placebo
Dietary Supplement
Lead sponsor
Duquesne University
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2016 · Synced Oct 19, 2026, 1:03 PM EDT