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Showing 1–24 of 73 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bloating Clear all
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 28, 2019 · Synced Sep 4, 2026, 7:38 PM 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 18, 2023 · Synced Sep 4, 2026, 7:38 PM EDT
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Pre Therapy Subjects

NCT03060746
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Newly Diagnosed
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Mesa, Arizona • Mission Hills, California • Oxnard, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2021 · Synced Sep 4, 2026, 7:38 PM 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 3, 2020 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Phase 2 Interventional

YM443 in Subjects With Functional Dyspepsia

NCT00102310
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 9, 2018 · Synced Sep 4, 2026, 7:38 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Beef Versus Whey Protein: The Gut Showdown Self-Experiment

NCT07477223
View directory record Official record
Conditions
Digestion
Interventions
Beef protein, Chocolate whey protein
Dietary Supplement
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 4, 2026, 7:38 PM 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 6, 2020 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Phase 3 Interventional Results available

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

NCT00731679
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
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
86
States / cities
Hueytown, Alabama • Phoenix, Arizona • Sierra Vista, Arizona + 78 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2019 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Fiber Supplement on Gut Health

NCT07755735
View directory record Official record
Conditions
Gut Health, Bloating, Irregular Bowel Movements, Gastrointestinal Symptoms
Interventions
Active Supplement, Placebo Comparator
Dietary Supplement
Lead sponsor
Belli Welli Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 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 Aug 9, 2026 · Synced Sep 4, 2026, 7:38 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 Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of Poppi Apple Cider Vinegar Prebiotic Soda to Improve Gut Health In Participants

NCT05418439
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Drink Poppi Soda
Dietary Supplement
Lead sponsor
Drink Poppi
Industry
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Sep 4, 2026, 7:38 PM EDT
Completed No phase listed Observational

Detection of Exocrine Pancreatic Insufficiency in Patients With Diarrhea and Bloating

NCT03407534
View directory record Official record
Conditions
Diarrhea, Exocrine Pancreatic Insufficiency, Abdominal Pain
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Supporting Signs of a Healthy Metabolism

NCT07765407
View directory record Official record
Conditions
Poor Energy Levels, Poor Metabolism, Difficulty With Weight Management, Bloating
Interventions
Love Wellness Energize
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
25 Years to 45 Years
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 13, 2026 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Efficacy and Safety of CIN-102 (Deudomperidone) in Adult Subjects With Idiopathic Gastroparesis.

NCT06899217
View directory record Official record
Conditions
Idiopathic Gastroparesis
Interventions
CIN-102 Dose 15mg, Placebo, CIN-102 Dose 10mg
Drug
Lead sponsor
CinDome Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
85
States / cities
Birmingham, Alabama • Foley, Alabama • Saraland, Alabama + 78 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 4, 2026, 7:38 PM 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 23, 2022 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional Results available

Placebo Controlled Trial of Botulinum Toxin for Gastroparesis

NCT00372970
View directory record Official record
Conditions
Gastroparesis
Interventions
Botulinum toxin A, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Sep 4, 2026, 7:38 PM 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 30, 2025 · Synced Sep 4, 2026, 7:38 PM 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 27, 2006 · Synced Sep 4, 2026, 7:38 PM 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 14, 2024 · Synced Sep 4, 2026, 7:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of a Postbiotic Supplement on Biomarkers of Gut Health

NCT07527286
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 4, 2026, 7:38 PM EDT
Enrolling by invitation No phase listed Observational

Small Intestinal Bacterial Overgrowth: A Prospective Registry

NCT01822470
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 4, 2026, 7:38 PM 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 25, 2016 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Assess the Effect of a Dietary Supplement on Menstrual Cycle Symptoms

NCT07267728
View directory record Official record
Conditions
Premenstrual Syndrome, Menstrual Pain
Interventions
DITTO Cycle Supplement
Dietary Supplement
Lead sponsor
Muse Nutrition Ltd
Industry
Eligibility
18 Years to 45 Years · Female only
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 16, 2026 · Synced Sep 4, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effectiveness of Digestive Enzymes at Reducing Bloating and Stomach Distension

NCT05520411
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Sep 4, 2026, 7:38 PM EDT