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ClinicalTrials.gov public records Last synced Jul 23, 2026, 10:07 AM EDT

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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Abdominal Pain, Irritable Bowel Syndrome
Interventions
Elimination Diet
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 18 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

The Effects of a Postbiotic Supplement on Biomarkers of Gut Health

NCT07527286
Conditions
Gastrointestinal, Microbiota Balance, Microbiota, Cortisol, Butyrate, Bloating, Gastrointestinal Upset, Immuno-modulation
Interventions
Postbiotic
Dietary Supplement
Lead sponsor
Verb Biotics LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Canfield, Ohio
Conditions
Gastroparesis
Interventions
GM-611
Drug
Lead sponsor
Chugai Pharma USA
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
67
States / cities
Glendale, Arizona • Phoenix, Arizona • Anaheim, California + 59 more
Conditions
Indigestion, Nausea
Interventions
YM443
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
59
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Anaheim, California + 52 more
Conditions
IBS - Irritable Bowel Syndrome, Anxiety
Interventions
Arrae bloat supplement
Dietary Supplement
Lead sponsor
Arrae
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Santa Monica, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Diaphragmatic Breathing for the Treatment of Bloating and Distension

NCT06596759
Conditions
Bloating
Interventions
Diaphragmatic Breathing
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Digestive Health, Digestion
Interventions
Bye Bye Bloat Capsules
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Diabetic Gastroparesis
Interventions
Metoclopramide Nasal Spray, Placebo Nasal Spray
Drug
Lead sponsor
Evoke Pharma
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
49
States / cities
Birmingham, Alabama • Dothan, Alabama • Huntsville, Alabama + 45 more
Recruiting No phase listed Observational Accepts healthy volunteers

GI Neuromuscular Pathology Prospective Registry

NCT02165059
Conditions
Gastroparesis
Interventions
Surgical Full Thickness Biopsy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Months to 90 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of B. Adolescentis iVS-1 Probiotic on Gastrointestinal Outcomes

NCT07408518
Conditions
Digestive Disease, Gut Health
Interventions
Probiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Synbiotic Health
Industry
Eligibility
18 Years to 75 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Bloating, Bowel Irregularities, Bowel Gas
Interventions
Fiber supplement
Dietary Supplement
Lead sponsor
Bell Cinical Service
Industry
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Edina, Minnesota
Completed No phase listed Observational

Fecal Calprotectin Collection Protocol

NCT03143517
Conditions
Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Ulcerative Colitis, Crohn Disease, Indeterminate Colitis, Chronic Diarrhea, Celiac Disease, Diverticulitis, Abdominal Pain, Distension, Weight Loss, Food Intolerance, Constipation
Interventions
Stool collection
Diagnostic Test
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
4 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more
Conditions
Functional Dyspepsia, Small Intestinal Bacterial Overgrowth
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Gastrointestinal Health, Immune Health, Cardiovascular Health, Digestive Health
Interventions
Bacillus subtilis BS50 spore preparation, Maltodextrin
Dietary Supplement
Lead sponsor
BIO-CAT Microbials, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Irritable Bowel Syndrome
Interventions
0.075 mg RVX-100, 0.125 mg RVX-100, 0.250 mg RVX-100, placebo
Drug
Lead sponsor
Revogenex, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chevy Chase, Maryland
Conditions
Gastrointestinal Health
Interventions
VIOME Precision Nutrition Program, VIOME-designed condition-based supplements
Combination Product · Dietary Supplement
Lead sponsor
Viome
Industry
Eligibility
25 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bothell, Washington
Completed Phase 2Phase 3 Interventional Results available

Functional Dyspepsia Treatment Trial

NCT00248651
Conditions
Dyspepsia and Other Specified Disorders of Function of Stomach
Interventions
Amitriptyline, Escitalopram, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
7
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Chicago, Illinois + 4 more
Conditions
Gastroparesis, Nausea, Vomiting, Abdominal Pain
Interventions
Acupuncture for gastroparesis, Acupuncture for musculoskeletal pain
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Lutherville, Maryland
Not listed No phase listed Observational Accepts healthy volunteers

Assessment and Validation of Electronic Gas and Bloating Diary

NCT04684849
Conditions
Gas, Bloating, Distension, Constipation, Diarrhea
Interventions
APP Diary, Paper Diary
Other
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Pain
Interventions
Probiotics - Lactobacillus and bifidobacterium, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Feeding Intolerance, Abdominal Distension
Interventions
An abdominal binder
Device
Lead sponsor
Albany Medical College
Other
Eligibility
Up to 1 Year
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Albany, New York
Conditions
Gut Health, Bowel Movements, Constipation, Bloating
Interventions
ConcenTrace
Other
Lead sponsor
Trace Minerals
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
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
Conditions
Stomach Distended, Bloating
Interventions
HUM Flatter Me
Dietary Supplement
Lead sponsor
HUM Nutrition, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Santa Monica, California