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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:19 AM EDT

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Showing 169–192 of 232 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High fiber Clear all
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 19, 2026, 11:19 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 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study Using a Wireless Motility Capsule

NCT01102894
View directory record Official record
Conditions
Food Selection
Interventions
SmartPill
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 4, 2014 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breakfast Consumption in Preschoolers: Satiety, Diet Quality and Memory

NCT02122224
View directory record Official record
Conditions
Lack of Satiety, Dietary Modification, Memory Deficits, Obesity
Interventions
High fiber breakfast, High Protein Breakfast, High Protein/High Fiber Breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
4 Years to 5 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 12, 2018 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Results available

Blueberries, Inflammation, Motivation, and Physical Activity

NCT05735587
View directory record Official record
Conditions
Depressive Symptoms
Interventions
Freeze-dried Blueberry Powder, Placebo Powder
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Roslindale, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Phase 2 Interventional

A Pilot Study of the Effects of Diet and Behavioral Interventions on Health in Diabetics

NCT01713764
View directory record Official record
Conditions
Diabetes Type II
Interventions
Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional

The SUN Clinical Trial (Safety Utilizing NUsurface Meniscus Implant)

NCT02483988
View directory record Official record
Conditions
Post-Meniscectomy Pain Syndrome, Osteoarthritis, Knee
Interventions
NUsurface® Meniscus Implant
Device
Lead sponsor
Phoenix Kinetics
Industry
Eligibility
30 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
13
States / cities
Phoenix, Arizona • La Mesa, California • Long Beach, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Results available

Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy.

NCT04281875
View directory record Official record
Conditions
Postoperative Hypoparathyroidism, Thyroid Neoplasms, Thyroid Cancer
Interventions
NIRAF Detection Technology
Device
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 19, 2026, 11:19 AM EDT
Recruiting Not applicable Interventional

Fiber mHealth Intervention for Prediabetes

NCT07491653
View directory record Official record
Conditions
Prediabetes
Interventions
GO-FAR
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 39 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 19, 2026, 11:19 AM EDT
Recruiting Not applicable Interventional

A Dietary Study for People With Clonal Hematopoiesis

NCT07590804
View directory record Official record
Conditions
Clonal Hematopoiesis
Interventions
high-fiber plant-based meals, fermented foods, supplements, surveys
Other · Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
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 15, 2026 · Synced Oct 19, 2026, 11:19 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, 11:19 AM EDT
Recruiting Not applicable Interventional

Effects of Pistachios on Postprandial Metabolic Responses in Adults With Overweight or Obesity

NCT07853898
View directory record Official record
Conditions
Obesity / Overweight
Interventions
Pistachio Co-consumption, Refined-Carbohydrate Control Co-consumption
Other
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 35 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Oral Immunotherapy for Wheat Allergy

NCT01980992
View directory record Official record
Conditions
Wheat Allergy
Interventions
Wheat OIT
Drug
Lead sponsor
Hugh A Sampson, MD
Other
Eligibility
4 Years to 30 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
4
States / cities
Stanford, California • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2020 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Results available

Delish Study: Diabetes Education to Lower Insulin, Sugars, and Hunger

NCT03207711
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Carbohydrate-restricted diet, Mindfulness
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 19, 2026, 11:19 AM 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 19, 2026, 11:19 AM 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 19, 2026, 11:19 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 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional

Effect of Gum Arabic on Gastrointestinal Transit and Permeability

NCT03742076
View directory record Official record
Conditions
Diverticulitis
Interventions
High-dose prebiotic, Low-dose prebiotic, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Adult Eating Habits

NCT05550818
View directory record Official record
Conditions
Eating Behavior, Eating Habit
Interventions
High Ultra Processed Food Diet, No Ultra Processed Food Diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 25 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Blacksburg, Virginia • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional

The Effects of a High Protein Diet on Microbiota, Gastrointestinal Function and Wellness in Older Women

NCT02445560
View directory record Official record
Conditions
Aging
Interventions
Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
Gainesville, Florida • Ocala, Florida
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 19, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gum Acacia and Blood Glucose

NCT03716479
View directory record Official record
Conditions
Diet Modification
Interventions
Low Fiber, High Fiber, Placebo/Control
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 19, 2026, 11:19 AM EDT
Terminated Phase 2 Interventional Results available

Bevacizumab, Metronomic Chemotherapy (CM), Diet and Exercise After Preoperative Chemotherapy for Breast Cancer

NCT00925652
View directory record Official record
Conditions
Breast Cancer
Interventions
Bevacizumab, Cyclophosphamide, Methotrexate, Lifestyle: Diet, Lifestyle: Diet+Exercise
Drug · Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
9
States / cities
Birmingham, Alabama • Indianapolis, Indiana • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 19, 2026, 11:19 AM EDT