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ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:41 AM EDT

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Showing 121–144 of 871 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fiber Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Reduction of Shear Forces Using Semi-flexible Sockets on Transtibial Amputees

NCT03390153
View directory record Official record
Conditions
Amputation
Interventions
semi flexible socket, rigid fiber socket
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 18, 2026, 2:41 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Phase 4 Clinical Study to Investigate the Effectiveness and Safety of Skin Resurfacing

NCT07214272
View directory record Official record
Conditions
Skin Resurfacing
Interventions
Fraxel® FTX Laser System
Device
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
21 Years to 60 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
5
States / cities
La Jolla, California • Miami, Florida • Naperville, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 18, 2026, 2:41 AM EDT
Active, not recruiting Phase 3 Interventional

Extension Study for Participants in LIQ861 Trials to Evaluate the Long-term Safety of Dry Powder Inhalation of Treprostinil

NCT03992755
View directory record Official record
Conditions
Primary Pulmonary Hypertension
Interventions
LIQ861 Inhaled Treprostinil
Drug
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
25
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Influence of Diet on GI Health

NCT04783142
View directory record Official record
Conditions
Healthy
Interventions
High-fiber, low-protein diet, Low-fiber, high-protein diet
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Results available

Anti-inflammatory Effects of the Fiber

NCT02868788
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
dietary fiber, HFHC meal
Dietary Supplement · Other
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 18, 2026, 2:41 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 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Results available

In Vivo Assessment of the Tooth-Resin Composite Interface Using Optical Coherence Tomography

NCT05145322
View directory record Official record
Conditions
Cavity, Cavities of Teeth
Interventions
Composite with 90 degree cavosurface angle, Composite with wide bevel
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Pea Fiber Supplementation on the Gut Microbiota and Host Metabolome and Proteome (FIB)

NCT04159259
View directory record Official record
Conditions
Microbial Colonization
Interventions
Low fiber diet, Pea Fiber Bar
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Fiber on Glycemic Index

NCT02615327
View directory record Official record
Conditions
Healthy
Interventions
8 g Polydextrose, 12 g Polydextrose, 16 g Polydextrose, Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Safety and Effectiveness Evaluation of the Device in Achieving Submental Lift

NCT02832674
View directory record Official record
Conditions
Skin Laxity
Interventions
Percutaneous Radiofrequency single treatment
Device
Lead sponsor
ThermiGen, LLC
Industry
Eligibility
35 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Montclair, New Jersey
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 18, 2026, 2:41 AM EDT
Terminated Phase 4 Interventional

The Role of Synbiotics in Reducing Post-Operative Infections in Patients Undergoing Cardiac Surgery: A Pilot Study

NCT00164099
View directory record Official record
Conditions
Surgical Wound Infection, Cystitis, Bacteremia, Pneumonia, Enterocolitis, Pseudomembranous
Interventions
Synbiotic 2000
Drug
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2007 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Pecans on Biomarkers of Risk for Cardiovascular Disease and Diabetes

NCT01950806
View directory record Official record
Conditions
Cardiovascular Disease Risk, Type 2 Diabetes Risk
Interventions
Pecan-containing diet, Nut-free diet
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Oct 18, 2026, 2:41 AM EDT
Recruiting Not applicable Interventional

A Dietary Study for People With Multiple Myeloma

NCT07226609
View directory record Official record
Conditions
Multiple Myeloma
Interventions
nutrition counseling and coaching, dietary guidelines, research dietitian visit, Questionnaires, Frozen pre-prepared meals
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 18, 2026, 2:41 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Do Probiotics Improve Recovery From Acute Constipation in Kids?

NCT05734833
View directory record Official record
Conditions
Constipation
Interventions
Culturelle Probiotic + Fiber, Placebo
Dietary Supplement · Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
6 Months to 8 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Short-chain Fatty Acids on Aerobic Endurance

NCT06054607
View directory record Official record
Conditions
Aerobic Endurance, Metabolism
Interventions
High-amylose maize starch+acetate/butyrate, Low-amylose maize starch
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 18, 2026, 2:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Footplate Stiffness on Foot Loading Within Carbon Fiber Custom Dynamic Orthoses

NCT07312032
View directory record Official record
Conditions
Trauma Injury
Interventions
Carbon Fiber Custom Dynamic Orthosis, Carbon Fiber Footplate
Device
Lead sponsor
Jason Wilken
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional

Veterans Walk for Health Study

NCT00123435
View directory record Official record
Conditions
Cardiovascular Diseases, Diabetes Mellitus, Hyperlipidemia, Hypertension, Obesity
Interventions
Nutritional counseling, Walking program, Simple pedometer, Enhanced pedometer
Behavioral · Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older · Male only
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 21, 2015 · Synced Oct 18, 2026, 2:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Village-Integrated Eye Worker Trial II

NCT03752840
View directory record Official record
Conditions
Age-related Macular Degeneration, Diabetic Retinopathy, Glaucoma
Interventions
Visual acuity (presenting and pinhole), Optical coherence tomography (OCT), Intraocular pressure, Active linkage to care, Fundus Photography
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
60,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Evaluation of Cow Milk-Based Formulas

NCT00518414
View directory record Official record
Conditions
Term Infants
Interventions
Marketed infant formula with DHA and ARA, Milk-based infant formula with DHA and ARA, Milk-based formula with DHA, ARA, prebiotics
Other
Lead sponsor
Mead Johnson Nutrition
Industry
Eligibility
10 Days to 18 Days
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
9
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Tamarac, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 18, 2026, 2:41 AM EDT
Completed Not applicable Interventional

A Low-Carbohydrate Diabetes Prevention Program

NCT03258918
View directory record Official record
Conditions
PreDiabetes
Interventions
Low-Carbohydrate Diabetes Prevention Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 18, 2026, 2:41 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Raised Intracranial Pressure Using MR Elastography

NCT03096743
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
MR elastography, MRI structural brain imaging, Lumbar puncture, Optical Coherence Tomography (OCT) imaging, Optic nerve B-scan ultrasound
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 18, 2026, 2:41 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fiber's Utilization for Energy and Life

NCT05934357
View directory record Official record
Conditions
Diet Habit
Interventions
Fiber, Control
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
22 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 18, 2026, 2:41 AM EDT
Withdrawn Not applicable Interventional

Treatment of Infected Dialysis Catheters With Fiber Optic Ultraviolet Light

NCT02899780
View directory record Official record
Conditions
Catheter-Related Infections
Interventions
Ultraviolet light emitting optical fiber
Device
Lead sponsor
Ultraviolet Interventions
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Oct 18, 2026, 2:41 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 24, 2023 · Synced Oct 18, 2026, 2:41 AM EDT