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ClinicalTrials.gov public records Last synced Sep 25, 2026, 4:14 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abdominal Distension Clear all
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 25, 2026, 4:14 AM EDT
Completed Phase 1Phase 2 Interventional

Acupuncture Treatment for Gastroparesis: a Pilot Study

NCT01643577
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 1, 2016 · Synced Sep 25, 2026, 4:14 AM 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 25, 2026, 4:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Abdominal Symptom Phenotype Study in Children

NCT01204515
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 12 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2013 · Synced Sep 25, 2026, 4:14 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 18, 2023 · Synced Sep 25, 2026, 4:14 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 23, 2022 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle GI Health RDH™: A Study Assessing the Impact of Health and Wellness Products on Gastrointestinal (GI) Health and Related Health Outcomes

NCT07230821
View directory record Official record
Conditions
Gas and Bloating, Diarrhea, Constipation
Interventions
GI Health Active Product 1, GI Health Product Placebo Control
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 25, 2026, 4:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT07408518
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 25, 2026, 4:14 AM EDT
Active, not recruiting Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Fibre Supplement on Microbiome and Gut Health

NCT07781488
View directory record Official record
Conditions
Gut Health, Microbiome, Bloating, Indigestion, Constipation, Diarrhea, Food Cravings, Abdominal Discomfort, Bowel Movement Irregularity
Interventions
Essential Fibre+
Dietary Supplement
Lead sponsor
Artah Nutrition Limited
Industry
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 25, 2026, 4:14 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 18, 2005 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional

Efficacy of Probiotic Bacteria in Subjects With IBS or Functional Diarrhea/ Bloating

NCT00618904
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 8, 2013 · Synced Sep 25, 2026, 4:14 AM EDT
Terminated Phase 2 Interventional Results available

Rifaximin in Patients With Diabetic Gastroparesis

NCT04254549
View directory record Official record
Conditions
Crohn Disease, Diabetic Gastroparesis
Interventions
Rifaximin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 25, 2026, 4:14 AM 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 25, 2026, 4:14 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 3, 2026 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Novel Probiotic on Gastrointestinal Health in Generally Healthy Adults

NCT05595980
View directory record Official record
Conditions
Gastrointestinal Health, Immune Health, Digestive Health
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
BIO-CAT Microbials, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 25, 2026, 4:14 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 27, 2006 · Synced Sep 25, 2026, 4:14 AM EDT
Suspended Phase 2 Interventional

A Four Arm Study to Evaluate the Safety and Efficacy of 3 Different Doses of RVX-100 Versus Placebo in Subjects With Irritable Bowel Syndrome Accompanied by Diarrhea (IBS-D)

NCT01076699
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 18, 2010 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study to Evaluate OPTI-BIOME™ Bacillus Subtilis MB40 on Abdominal Discomfort, Gas and Bloating in a Healthy Population

NCT02950012
View directory record Official record
Conditions
Bloating
Interventions
OPTI-BIOME™ Bacillus subtilis MB40, Placebo
Dietary Supplement · Other
Lead sponsor
BIO-CAT Microbials, LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Foothill Ranch, California • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of Arrae's Bloat & Calm Alchemy Capsules to Reduce Bloating, Heartburn and Gas, and Alleviate the Intensity of IBS Symptoms

NCT05197413
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of the Inno Cleanse Dietary Supplement on Gut Health and Associated Variables in Healthy Men and Women

NCT07215351
View directory record Official record
Conditions
Constipation, Bloating
Interventions
Dietary supplement for digestive health, placebo capsule
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional

The Safety and Efficacy of Dexloxiglumide for the Relief of Symptoms of Functional Dyspepsia.

NCT00303264
View directory record Official record
Conditions
Dyspepsia
Interventions
dexloxiglumide, Nexium (esomeprazole)
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Efficacy of Bye Bye Bloat Capsules in Relieving Bloating and Promoting Healthy Digestion.

NCT06516744
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Sep 25, 2026, 4:14 AM 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 25, 2026, 4:14 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of Super Liver Liquid Drops on Gut Health, Digestive Comfort, and Daily Energy Levels

NCT07742657
View directory record Official record
Conditions
Gastrointestinal Symptoms, Bloating, Digestive Discomfort, Low Energy Levels, Brain Fog, Mood Instability, Sleep Quality, Skin Clarity, Facial Puffiness, Bad Breath
Interventions
Super Liver
Dietary Supplement
Lead sponsor
SuperBonsai Inc.
Industry
Eligibility
30 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 25, 2026, 4:14 AM EDT