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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:15 AM EDT

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Showing 25–48 of 74 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bloating Clear all
Recruiting No phase listed Observational

Indiana University Gastrointestinal Motility Diagnosis Registry

NCT04506593
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 Jun 16, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed No phase listed Observational

Cardiac Vagal Effects of GES in Patients With Gastroparesis and Vagal Nerve Action Potentials in Vagus Nerve

NCT02159586
View directory record Official record
Conditions
Gastroparesis
Interventions
gastric electrical stimulator
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 90 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of a Butyrate-Polyphenol Formulation on Gut Health and Associated Symptoms

NCT07371975
View directory record Official record
Conditions
Gut Health
Interventions
Butyrate + Polyphenol Formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
25 Years to 70 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Bacillus Subtilis BS50 Supplementation on Gastrointestinal Symptoms in Healthy Adults

NCT05004454
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 5, 2023 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 3 Interventional Results available

Multicenter Study to Evaluate the Efficacy and Safety of Metoclopramide Nasal Spray in Women With Diabetic Gastroparesis

NCT02025725
View directory record Official record
Conditions
Diabetic Gastroparesis
Interventions
Metoclopramide Nasal Spray, Placebo Nasal Spray
Drug
Lead sponsor
Evoke Pharma
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
50
States / cities
Birmingham, Alabama • Dothan, Alabama • Huntsville, Alabama + 46 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 20, 2026, 6:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study Evaluating the Impact of Regular FODMAP-targeting Digestive Enzyme Blend Use on Gastrointestinal Symptoms in Individuals With Self-Reported Bloating

NCT07591584
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome), Bloating, Abdominal Pain, Gut Health
Interventions
FODMAP-targeting digestive enzyme blend, Placebo
Dietary Supplement · Other
Lead sponsor
Kiwi Health Inc
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 3 Interventional Results available

Rifaximin 3 Times/Day (TID) for Non-Constipation Irritable Bowel Syndrome (IBS)

NCT00724126
View directory record Official record
Conditions
Non-Constipation Irritable Bowel Syndrome
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
88
States / cities
Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 83 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 20, 2026, 6:15 AM EDT
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Post Therapy Subjects

NCT03060733
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Post-Therapy
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
Mission Hills, California • Great Neck, New York • Mentor, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Placebo-Controlled Study to Evaluate the Effects of a Gummy and Capsule Supplement on Symptoms of Premenstrual Syndrome

NCT06763809
View directory record Official record
Conditions
PMS, Menstrual Cramp, Mood Change
Interventions
PMS Capsule, Capsule Placebo, PMS Gummy, Gummy Placebo
Dietary Supplement
Lead sponsor
Semaine Health
Industry
Eligibility
18 Years and older · Female only
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of an Electrolyte Supplement on Women's Wellness

NCT07765420
View directory record Official record
Conditions
Low Energy, Dehydration, Bloating, Women's Wellness
Interventions
Daily Love Electrolytes
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 2 Interventional

SAFEstart Feeding Intolerance Study Phase II

NCT00331201
View directory record Official record
Conditions
Feeding Intolerance, Abdominal Distention, Gastric Residual, Emesis and Diarrhea, Blood in Stool
Interventions
SAFEstart
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Ogden, Utah
Source: ClinicalTrials.gov public record
Updated Nov 28, 2006 · Synced Oct 20, 2026, 6:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Capsule Microbiota Sampling in IBS/Functional Gastrointestinal Disease

NCT06215222
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome, Healthy, Functional Bloating, Functional Gastrointestinal Disorders
Interventions
Microbiota Sampling
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Supplement on Symptoms Associated With Liver and Digestive Health

NCT07738744
View directory record Official record
Conditions
Liver Health, Digestive Health, Fatigue, Abdominal Bloating, Abdominal Pain, Nausea, Energy Levels
Interventions
Edenboost Alpha Cleanse
Dietary Supplement
Lead sponsor
Edenboost
Industry
Eligibility
40 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Terminated No phase listed Observational

Escalating Temporary Gastric Electrical Stimulation (GES) for Severe Gastroparesis

NCT02164591
View directory record Official record
Conditions
Gastroparesis
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 90 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 2 Interventional

A Safety and Efficacy Study of Daikenchuto (TU-100) to Relieve Abdominal Bloating in Female Subjects With Irritable Bowel Syndrome

NCT02074579
View directory record Official record
Conditions
Irritable Bowel Syndrome in Females
Interventions
TU-100, Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 20, 2026, 6:15 AM EDT
Not yet recruiting Not applicable Interventional

Fiber Product for Gas, Bloating, and Bowel Regularity

NCT06642766
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 20, 2026, 6:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Diaphragmatic Breathing for the Treatment of Bloating and Distension

NCT06596759
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 2 Interventional Results available

Effect of TU-100 in Patients Undergoing Laparoscopic Colectomy

NCT02232893
View directory record Official record
Conditions
Postoperative Ileus
Interventions
Daikenchuto (TU-100), Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Los Angeles, California • Aurora, Colorado • Weston, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2020 · Synced Oct 20, 2026, 6:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Visible Abdominal Distension

NCT06369753
View directory record Official record
Conditions
Irritable Bowel Syndrome, Dyspepsia, Functional Bloating
Interventions
Biofeedback, Placebo
Behavioral
Lead sponsor
Hospital Universitari Vall d'Hebron Research Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 3 Interventional

Efficacy of Pancrelipase on Postprandial Belching and Bloating.

NCT00266721
View directory record Official record
Conditions
Postprandial Bloating, Postprandial Belching, Postprandial Eructation
Interventions
Pancrelipase (Creon) 2 tablets with each meal
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 19, 2005 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of Linaclotide in Patients With Chronic Constipation and Prominent Abdominal Bloating

NCT01642914
View directory record Official record
Conditions
Chronic Constipation, Constipation
Interventions
Linaclotide 290 micrograms, Linaclotide 145 micrograms, Matching placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
487 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
146
States / cities
Chandler, Arizona • Glendale, Arizona • Goodyear, Arizona + 125 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2016 · Synced Oct 20, 2026, 6:15 AM EDT
Completed Phase 2 Interventional

Recurrent Abdominal Pain in Children

NCT00526903
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 8, 2016 · Synced Oct 20, 2026, 6:15 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

An Efficacy Trial in the Research Area of Gastrointestinal Health & Bloating

NCT05418127
View directory record Official record
Conditions
Gastrointestinal Dysfunction
Interventions
Active, Placebo
Dietary Supplement · Other
Lead sponsor
Coconut Goodness Food Products Inc.
Industry
Eligibility
25 Years to 54 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Oct 20, 2026, 6:15 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Assessment and Validation of Electronic Gas and Bloating Diary

NCT04684849
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Oct 20, 2026, 6:15 AM EDT