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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: dietary fiber Clear all
Completed No phase listed Observational Results available

GreenLight XPS Laser System Retrospective Chart Review

NCT02139969
View directory record Official record
Conditions
Benign Prostatic Hyperplasia
Interventions
GreenLight XPS Laser System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Male only
Enrollment
956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
5
States / cities
Mountain View, California • Atlanta, Georgia • Westland, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2020 · Synced Sep 25, 2026, 4:12 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Evaluate the Efficacy of Four Supplements on Improving Readiness for Intimacy

NCT05862519
View directory record Official record
Conditions
Libido, Intimacy, Gastrointestinal Issues
Interventions
Reset, Stay Ready Fiber, Libido, Testosterone supplement
Dietary Supplement
Lead sponsor
906 CMVI Holdings
Industry
Eligibility
18 Years to 44 Years · Male only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Prevention Program Pilot Study

NCT00729079
View directory record Official record
Conditions
Diabetes Prevention
Interventions
DPP
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Phase 2 Interventional Results available

Examining the Efficacy of Fecal Microbiota Transplantation (FMT) and Dietary Fiber in Patients With Ulcerative Colitis

NCT03998488
View directory record Official record
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Results available

RAVE: Radial Artery Vascular Complication and Resource Utilization

NCT03522077
View directory record Official record
Conditions
Angiogram, Percutaneous Coronary Intervention
Interventions
RadAR EasyCLik plus ®-STF hemostatic pad, TR BAND® Compression device plus ®-STF hemostatic pad, SoftSeal®-STF hemostatic pad, VascBand™ Hemostat
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 25, 2026, 4:12 PM EDT
Recruiting 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
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Impact of Multi-sensory Environments on Behavior During Assisted Bathing for Veterans With Dementia

NCT03303638
View directory record Official record
Conditions
Dementia, BPSD
Interventions
Multi-sensory Environment
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Gainesville, Florida • Lake City, Florida
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Sep 25, 2026, 4:12 PM EDT
Active, not recruiting Not applicable Interventional

Comparison of Surgery and Medicine on the Impact of Diverticulitis (COSMID) Trial

NCT04095663
View directory record Official record
Conditions
Diverticulitis
Interventions
Partial Colectomy, Medical Management
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
29
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Post Market Clinical Protocol - Xtremity Polymer Prosthetic Socket System

NCT05190354
View directory record Official record
Conditions
Amputation, Prosthesis User
Interventions
Xtremity Polymer Prosthetic Socket
Device
Lead sponsor
Medical Creations, Inc.
Industry
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 25, 2026, 4:12 PM 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 5, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Effects of Resistant Starch Diet on the Gut Microbiome in Chronic Kidney Disease

NCT03356990
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Resistant Starch
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
5 Years to 85 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Investigation of Medical Management to Prevent Episodes of Diverticulitis Trial

NCT05681559
View directory record Official record
Conditions
Diverticulitis
Interventions
Medi for All, Standard Fiber Supplementation
Behavioral · Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 25, 2026, 4:12 PM 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 16, 2024 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Safety and Tolerability of Soy Fiber

NCT04499482
View directory record Official record
Conditions
Safety Issues, Tolerance
Interventions
Food
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
70 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Sep 25, 2026, 4:12 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 23, 2014 · Synced Sep 25, 2026, 4:12 PM EDT
Active, not recruiting Phase 2 Interventional

Diet and Immune Effects Trial: DIET- A Randomized Double Blinded Dietary Intervention Study in Patients With Metastatic Melanoma Receiving Immunotherapy

NCT04645680
View directory record Official record
Conditions
Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Melanoma, Pathologic Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage IV Cutaneous Melanoma AJCC v8, Unresectable Melanoma, Stage II Melanoma, Uveal Melanoma, Mucosal Melanoma, Unresectable Clear Cell Renal Cell Carcinoma
Interventions
Dietary Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Maternal & Offspring Microbiome Study

NCT05123612
View directory record Official record
Conditions
Pregnancy Related, Microbiome, Immune Function, Inflammation
Interventions
Fiber, Fermented Foods
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Quality Protein for Assisting With Weight Loss

NCT03085511
View directory record Official record
Conditions
Obesity
Interventions
Egg breakfast (EB), Weight Loss Counseling, Weight Loss Diet, Cereal Breakfast (CB)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2019 · Synced Sep 25, 2026, 4:12 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Long-term Consumption of Resistant Starch Type-4 (RS4)

NCT04277741
View directory record Official record
Conditions
Cholesterol, Elevated, Overweight or Obesity
Interventions
RS4 bar, Control bar
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

ivWatch Sensor: Device Validation for Infiltrated Tissues

NCT04064229
View directory record Official record
Conditions
Infiltration of Peripheral IV Therapy
Interventions
ivWatch Model 400 with SmartTouch Sensor, ivWatch Model 400 with Fiber Optic Sensor
Device
Lead sponsor
ivWatch, LLC
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Williamsburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Effect of Carbon Fiber Orthosis Cuff Design on Preference, Comfort, and Mechanics

NCT05456295
View directory record Official record
Conditions
Healthy, Lower Limb Injury, Post-Traumatic Osteoarthritis
Interventions
Carbon Fiber Custom Dynamic Orthosis (CDO)
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Edible Insects: Good for the Gut and the Globe

NCT06397924
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Chitin Fiber, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 25, 2026, 4:12 PM EDT
Completed Not applicable Interventional

Effects of In-Wheel Suspension

NCT04467749
View directory record Official record
Conditions
Spinal Cord Injuries, Fatigue, Back Pain, Neck Pain
Interventions
Suspension Wheel
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Sep 25, 2026, 4:12 PM EDT
Terminated Phase 1 Interventional

Study of QRH-882260 Heptapeptide Application in the Colon

NCT03148119
View directory record Official record
Conditions
Colon Cancer Prevention
Interventions
QRH-882260 Heptapeptide, Scanning Fiber Endoscope
Drug · Device
Lead sponsor
Danielle Kim Turgeon
Other
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Sep 25, 2026, 4:12 PM EDT