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ClinicalTrials.gov public records Last synced May 21, 2026, 6:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: SIBO Clear all
Terminated No phase listed Observational
View directory record Official record
Conditions
Ulcerative Colitis, Crohn Disease, Obesity, Colon Polyp, Eosinophilic Esophagitis, GERD, Gastro Esophageal Reflux, Barrett Esophagus, Esophageal Cancer, Gastritis, Gastric Ulcer, Duodenal Ulcer, Intestinal Metaplasia, Gastric Cancer, Lymphocytic Colitis, Microscopic Colitis, Celiac Sprue, IBS, Irritable Bowel Syndrome, SIBO, NAFLD, Gallstone Disease
Interventions
Not listed
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced May 21, 2026, 6:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Irritable Bowel Syndrome, Bacterial Overgrowth Syndrome, SIBO
Interventions
Atrantil (Medical Food)
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced May 21, 2026, 6:16 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth (SIBO)
Interventions
Liquid Tincture, GI Detox, Olivirex
Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced May 21, 2026, 6:16 PM EDT
Terminated Early Phase 1 Interventional Results available
View directory record Official record
Conditions
SIBO
Interventions
low FODMAP diet
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced May 21, 2026, 6:16 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth
Interventions
CapScan collection capsule
Device
Lead sponsor
Envivo Bio Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced May 21, 2026, 6:16 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Small Bowel Bacterial Overgrowth Syndrome (SBBOS)
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
Not listed
Enrollment
944 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2012 · Synced May 21, 2026, 6:16 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth
Interventions
Using Isotope (Tc99m-Sulfur Colloid) to label glucose and administer this directly into duodenum.
Radiation
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced May 21, 2026, 6:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Small Intestinal Bacterial Overgrowth
Interventions
AV1PD1A
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 21, 2026, 6:16 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth, Gastrointestinal Disease, Gastrointestinal Infection
Interventions
AEMCOLO (Rifamycin SV MMX)
Drug
Lead sponsor
Bradley Connor
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced May 21, 2026, 6:16 PM EDT
Withdrawn Early Phase 1 Interventional
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth
Interventions
Novel Supplement Based Therapy
Dietary Supplement
Lead sponsor
Atrium Innovations
Industry
Eligibility
19 Years to 84 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced May 21, 2026, 6:16 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Microbiota, SIBO
Interventions
Capillary Endoscopy Aspiration Catheter, Endoscopy Aspiration Catheter
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced May 21, 2026, 6:16 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Eosinophilic Esophagitis, Gastroesophageal Reflux Disease (GERD), Gastroparesis, Functional Vomiting, Irritable Bowel Syndrome (IBS), Constipation, Chronic Intestinal Pseudo-obstruction, Fecal Incontinence, Small Intestinal Bacterial Overgrowth
Interventions
no intervention
Other
Lead sponsor
Indiana University
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced May 21, 2026, 6:16 PM EDT
Recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Interventions
Artemisia Annua Leaf, placebo
Dietary Supplement · Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced May 21, 2026, 6:16 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Colorectal Cancer, Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Crohn Disease, Celiac Disease
Interventions
Not listed
Lead sponsor
Luventix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
4
States / cities
Encinitas, California • Santa Monica, California • Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced May 21, 2026, 6:16 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth, Irritable Bowel Syndrome, Functional Dyspepsia, Functional Abdominal Pain
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
4 Years to 17 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced May 21, 2026, 6:16 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Serum-derived bovine immunoglobulin protein isolate (SBI), Placebo
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 28, 2015 · Synced May 21, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Placebo, Rifaximin
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
35 Years to 72 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 28, 2014 · Synced May 21, 2026, 6:16 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Pancreatic Adenocarcinoma, Weight Loss
Interventions
Not listed
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced May 21, 2026, 6:16 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Systemic Sclerosis, Small Intestinal Bacterial Overgrowth
Interventions
Treatment Protocol, Standard of Care
Other
Lead sponsor
Canadian Scleroderma Research Group
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2019 · Synced May 21, 2026, 6:16 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth, Lactose Intolerance, Fructose Intolerance, Glucose Intolerance
Interventions
Not listed
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
1,080 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced May 21, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
SIBO, Small Bowel Bacterial Overgrowth Syndrome
Interventions
Hydrogen content recording
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced May 21, 2026, 6:16 PM EDT