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Showing 1–24 of 72 matching trials from the live ClinicalTrials.gov search.
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT04565821
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
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Diet and Systemic Inflammation

NCT01424306
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
Completed Not applicable Interventional Accepts healthy volunteers

MRE Consumption and Gut Health

NCT02423551
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
Completed No phase listed Observational Accepts healthy volunteers

Sucrose Breath Test to Determine Intestinal Permeability in IBS

NCT01674088
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Metabolic Solutions Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
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
Conditions
HIV
Interventions
Teduglutide, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
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
Completed Phase 4 Interventional Results available

rHGH and Intestinal Permeability in Intestinal Failure

NCT01380366
Conditions
Short Bowel Syndrome
Interventions
Somatropin, Seven Day Food Diary, Blood Tests (standard of care), Fasting, Sugar Permeability Test, Urine Collection
Drug · Procedure · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Impaired Small Intestinal Permeability
Interventions
12C mannitol, Indomethacin, 13C mannitol, Lactulose
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
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
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
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Probiotic Intake on Intestinal Permeability in Healthy Adults

NCT03611400
Conditions
Intestinal Barrier Function
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Not listed Not applicable Interventional Accepts healthy volunteers

Dietary Supplementation on Gastrointestinal Barrier Function

NCT06262880
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Alcohol, Gut Leakiness, & Liver Disease

NCT05428072
Conditions
Alcoholic Liver Disease
Interventions
Sugar test, Aspirin Challenge
Other · Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Not listed Not applicable Interventional Accepts healthy volunteers

Exercise-Induced Gut Permeability in Normal-weight Obesity

NCT05889767
Conditions
Normal-weight Obesity, Obesity
Interventions
Exercise tests (VO2 max test and 45-minute exercise session at 65% VO2 max)
Other
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Stillwater, Oklahoma
Completed Early Phase 1 Interventional Accepts healthy volunteers

WHNRC (Western Human Nutrition Research Center) Fiber Intervention Study

NCT04543877
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
Conditions
Gastrointestinal Injury, Acute Mountain Sickness
Interventions
FP, Placebo, High altitude, Sea level
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Natick, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers Results available

Biomarkers for Intestinal Permeability in Patients With Constipation

NCT02246647
Conditions
Intestinal Diseases, Irritable Bowel Syndrome, Constipation
Interventions
Permeability measurement, Esophagogastroduodenoscopy, Flexible sigmoidoscopy
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Gut Permeability, Gut Health
Interventions
human lactoferrin, Placebo
Dietary Supplement
Lead sponsor
Helaina Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Addison, Illinois
Completed Early Phase 1 Interventional Accepts healthy volunteers

Oral Administration of MB-102 Versus Dual Sugar Testing for Gut Permeability

NCT03962998
Conditions
Crohn Disease
Interventions
Lactulose/Rhamnose solution, MB-102
Drug
Lead sponsor
MediBeacon
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
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
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