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Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Intestinal Permeability Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Diet and Systemic Inflammation

NCT01424306
View directory record Official record
Conditions
Low-grade Chronic Inflammation, Intestinal Permeability, Type 2 Diabetes Mellitus, Cardiovascular Disease, Obesity
Interventions
Fructose-sweetened beverages, Glucose-sweetened beverages, High-fructose corn syrup-sweetened beverages
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Jul 21, 2026, 6:43 PM EDT
Completed No phase listed Observational

Intracellular Tight Junction Permeability in Schizophrenia: Focus on Zonulin

NCT01558570
View directory record Official record
Conditions
Schizophrenia, Celiac Disease
Interventions
Blood Draw
Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional

A Study of Hemp Hull WFI for IBS Diarrhea

NCT06028035
View directory record Official record
Conditions
Irritable Bowel Syndrome-bile Acid Diarrhea
Interventions
BB01
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Jul 21, 2026, 6:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Postprandial Effects of Fresh Mango as a Table Sugar Replacement in High-Sugar Breakfasts.

NCT07650058
View directory record Official record
Conditions
Healthy Participants
Interventions
High-Glycemic Breakfast Containing Cereal and Fresh Mango, High-Glycemic Breakfast Containing Cereal and Table Sugar
Other
Lead sponsor
Ball State University
Other
Eligibility
18 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional

Pilot Study of Diet and Behavior in Children With Autism

NCT01625299
View directory record Official record
Conditions
Autism
Interventions
Gluten and dry milk, Placebo
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Years to 12 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Jul 21, 2026, 6:43 PM EDT
Not yet recruiting Not applicable Interventional

The Effects of Mango on Gut Health Markers

NCT07559604
View directory record Official record
Conditions
Gut Health, LBP, Short Chain Fatty Acids, sCD14
Interventions
Mango
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Phase 4 Interventional Results available

Short Bowel Syndrome and Teduglutide Versus Placebo

NCT02099084
View directory record Official record
Conditions
Short Bowel Syndrome
Interventions
Teduglutide, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 21, 2016 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

GI Permeability Change in Response to Aquamin®

NCT04855799
View directory record Official record
Conditions
Ulcerative Colitis, Healthy, Irritable Bowel Syndrome With Diarrhea
Interventions
Aquamin
Drug
Lead sponsor
James Varani
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional

Cocoa and Metabolic Health in Prediabetes

NCT02203240
View directory record Official record
Conditions
Prediabetes
Interventions
Cocoa, Placebo
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Jul 21, 2026, 6:43 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility Study to Assess a Trans-nasal Intestinal Potential Difference Probe

NCT04565821
View directory record Official record
Conditions
Inflammatory Disease, Permeability; Increased, Crohn Disease, Inflammatory Bowel Diseases, Environmental Enteropathy
Interventions
IPD Probe via TNIT
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Exercise Plus Vinegar Ingestion on Biomarkers in Healthy Adults

NCT06437405
View directory record Official record
Conditions
LPS, Mood Disorders, Cognitive Change
Interventions
Vinegar liquid, vinegar pill
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Butyrate Formulation and Butyrate + Polyphenol Formulation on Gut Health, Permeability and Associated Symptoms

NCT06419231
View directory record Official record
Conditions
Gut Health
Interventions
Butyrate Formulation, Butyrate + Polyphenol Formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Cranberry Beverage on Intestinal Permeability and Gastrointestinal Function in Generally Healthy Adults

NCT03957239
View directory record Official record
Conditions
Intestinal Permeability, Gastrointestinal Function
Interventions
Cranberry Beverage, Control Beverage
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional

Gluten Intolerance in Patients With Diarrhea Predominant Irritable Bowel Syndrome

NCT01094041
View directory record Official record
Conditions
Diarrhea, Diarrhea Predominant Irritable Bowel Syndrome
Interventions
Gluten free diet, Gluten rich diet
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 9, 2013 · Synced Jul 21, 2026, 6:43 PM EDT
Active, not recruiting Not applicable Interventional Results available

Assessing Gut Microbiota Mediated Health Outcomes of Whole Wheat and Its Major Bioactive Components

NCT05318183
View directory record Official record
Conditions
PreDiabetes, Dysbiosis, Endotoxemia, Inflammation
Interventions
Whole Wheat Bread, White Bread (control)
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Early Phase 1 Interventional

Effects of a Western-type Diet on Colorectal Inflammation

NCT00866450
View directory record Official record
Conditions
Colorectal Inflammation
Interventions
Western style diet (high fat and low in calcium), Prudent-style diet (low fat and high in calcium)
Dietary Supplement
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 72 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2012 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study

NCT04543877
View directory record Official record
Conditions
Inflammation, Vaccine, Intestinal Permeability, Typhoid Fever
Interventions
Inulin, Maltodextrin, Ty21a Typhoid Fever Vaccine
Dietary Supplement · Biological
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Intestinal Permeability 4 Hours After Gluten Challenge

NCT03288831
View directory record Official record
Conditions
Celiac Disease, Wheat Hypersensitivity, Gluten Sensitivity, Gluten Enteropathy, Immune System and Related Disorders, Duodenal Diseases
Interventions
Gluten, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Jul 21, 2026, 6:43 PM EDT
Completed No phase listed Observational

The Role of the Pregnane X Receptor (PXR) in Indole Signaling and Intestinal Permeability in Inflammatory Bowel Disease

NCT04089501
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Stool collection, Biopsy collection
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Phase 4 Interventional

Comparing Semaglutide Versus Placebo on Intestinal Barrier Function in Type 2 Diabetes Mellitus (SIB)

NCT04979130
View directory record Official record
Conditions
Type 2 Diabetes, Chronic Inflammation, Intestinal Permeability
Interventions
Semaglutide, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MRE Consumption and Gut Health

NCT02423551
View directory record Official record
Conditions
Gastrointestinal Tract
Interventions
MRE
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 62 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Phase 1Phase 2 Interventional

A Study of Glutamine to Treat Intestinal Permeability in Functional Dyspepsia

NCT05655819
View directory record Official record
Conditions
Functional Dyspepsia
Interventions
Glutamine, Placebo
Drug
Lead sponsor
David J. Cangemi
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Jul 21, 2026, 6:43 PM EDT
Completed Phase 3 Interventional

Effect of VSL#3 on Intestinal Permeability in Pediatric Crohn's Disease

NCT00944736
View directory record Official record
Conditions
Crohn's Disease
Interventions
VSL#3, Placebo
Dietary Supplement
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
11 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2014 · Synced Jul 21, 2026, 6:43 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Dietary Supplementation on Gastrointestinal Barrier Function

NCT06262880
View directory record Official record
Conditions
Intestinal Permeability
Interventions
plant derived phenolics, Microcrystaline cellulose (MCC)
Dietary Supplement · Other
Lead sponsor
Brightseed
Industry
Eligibility
30 Years to 69 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Jul 21, 2026, 6:43 PM EDT