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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:35 PM EDT

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Showing 217–233 of 233 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: high-fiber Clear all
Completed Phase 1 Interventional

Bisnorcymserine in Healthy Adult Volunteers

NCT01747213
View directory record Official record
Conditions
Healthy Volunteers
Interventions
BNC, Placebo
Drug · Other
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 9:35 PM EDT
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 22, 2026, 9:35 PM 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 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber to Reduce Colon Cancer in Alaska Native People

NCT03028831
View directory record Official record
Conditions
Colon Cancer
Interventions
70g of fully digestible starch amylopectin corn starch, Resistant starch
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
40 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Anchorage, Alaska • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ultra-processed Food Consumption, Gut Microbiota, and Glucose Homeostasis

NCT05358171
View directory record Official record
Conditions
Insulin Sensitivity, 24-hour Glucose Control
Interventions
HIgh UPF controlled diet, No UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional

Chronic Effects of Freeze-Dried Strawberry Beverage on Cardiovascular Risk Factors

NCT01883401
View directory record Official record
Conditions
Dyslipidemia, Obesity
Interventions
Freeze-dried strawberries, Dietary fiber
Dietary Supplement
Lead sponsor
Oklahoma State University
Other
Eligibility
19 Years to 72 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 21, 2013 · Synced Oct 22, 2026, 9:35 PM EDT
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 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Beta-glucan, Product Claims and Satiety

NCT04740112
View directory record Official record
Conditions
Healthy
Interventions
Foods with beta-glucan from oats and barley
Other
Lead sponsor
General Mills
Industry
Eligibility
18 Years to 70 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 22, 2026, 9:35 PM 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, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Soluble Corn Fiber on Gastrointestinal Tolerance and Fecal Microbiome in Healthy Children

NCT05213494
View directory record Official record
Conditions
Gastrointestinal Tolerance
Interventions
Inulin, soluble corn fiber
Other
Lead sponsor
Tate & Lyle
Industry
Eligibility
3 Years to 9 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 28, 2022 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Families Healthy Forces Study

NCT02348853
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Healthy Weight for Living (HWL), Current Best Practice (CBP)
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Oct 22, 2026, 9:35 PM 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 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a High Protein, High Fiber Dietary Supplement on Weight and Fat Loss

NCT03057873
View directory record Official record
Conditions
Overweight
Interventions
High protein, high fiber dietary supplement, Placebo
Dietary Supplement
Lead sponsor
Beachbody
Industry
Eligibility
25 Years to 50 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Phase 2 Interventional

Examining the Effects of Diet on Health With an Online Program

NCT01967992
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Behavioral: Low Carbohydrate, Ketogenic Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy and Safety of X0002 Spray in Subjects With Osteoarthritis

NCT02067611
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
X0002, Placebo
Drug
Lead sponsor
Lina Xu
Industry
Eligibility
35 Years to 85 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
20
States / cities
Tempe, Arizona • Carmichael, California • Spring Valley, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional

High Powered Stone Dusting vs. Fragmentation and Basketing at Time of Ureteroscopy

NCT05006937
View directory record Official record
Conditions
Kidney Stone, Ureteral Stone
Interventions
Dusting, Basket extraction
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 22, 2026, 9:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Dose Response of a Lead Fiber Snack Prototype

NCT04729816
View directory record Official record
Conditions
Microbiota, Gastrointestinal Microbiome
Interventions
Controlled, high fat/low fiber diet background diet, sequentially supplemented with an escalating dose of a fiber-blend snack food.
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 22, 2026, 9:35 PM EDT