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Showing 1–24 of 434 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational

Lower Urinary Tract and Sexual Function in Women Following Surgery for Colorectal Disorders

NCT00667550
View directory record Official record
Conditions
Lower Urinary Tract Symptoms, Colorectal Disorders
Interventions
Not listed
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2010 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Effect of Repetitive Transcranial Direct Current Stimulation (tDCS) on Chronic Pelvic Pain

NCT00554320
View directory record Official record
Conditions
Chronic Pelvic Pain, Interstitial Cystitis, Post Traumatic Stress Disorder, Fibromyalgia, Irritable Bowel Syndrome
Interventions
tDCS
Procedure
Lead sponsor
Summa Health System
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 17, 2009 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Phase 1Phase 2 Interventional

Effect of TU-100 on Rectal Compliance, Rectal Sensation and Small Bowel and Colonic Transit in Females With Constipation

NCT01139216
View directory record Official record
Conditions
Functional Constipation, Gastric Emptying, Whole Gut Transit, Small Bowel Transit, Colonic Transit, Rectal Compliance, Rectal Sensation
Interventions
Daikenchuto (TU-100), Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Chewing Gum Facilitates an Earlier Return to Bowel Function in Pediatric Scoliosis Patients: A Prospective Randomized Study

NCT02165436
View directory record Official record
Conditions
Scoliosis
Interventions
Chewing gum, Control
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional Results available

Efficacy and Safety of IBS Digital Behavioral Treatment

NCT04133519
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Arm 1 - Active behavioral Treatment Arm (Regulora; Gut-Directed Hypnotherapy Software as a Medical Device - SaMD), Arm 2 - Active Comparator behavioral treatment arm (MR-1; Muscle Relaxation, Software as a Medical Device - SaMD)
Device
Lead sponsor
metaMe Health
Industry
Eligibility
18 Years to 70 Years
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional Results available

Evaluating the Efficacy of the Mediterranean Diet to the Low- Fermentable, Oligosaccharides, Disaccharides, Monosaccharides, and Polyols (FODMAP) Diet in Treating Irritable Bowel Syndrome(IBS)

NCT05807919
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Diet low in all FODMAP groups, Diet - Mediterranean
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Jun 26, 2026, 2:30 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Brain-Gut Interactions in Overweight and Normal Weight Patients With Chronic Abdominal Pain

NCT00824941
View directory record Official record
Conditions
Obesity, Stress, Irritable Bowel Syndrome, Women, Abdominal Pain
Interventions
Not listed
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
13 Years to 45 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Jun 26, 2026, 2:30 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Resveratrol and Human Hepatocyte Function in Cancer

NCT02261844
View directory record Official record
Conditions
Liver Cancer
Interventions
Resveratrol, Placebo
Dietary Supplement · Drug
Lead sponsor
University of Louisville
Other
Eligibility
21 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Jun 26, 2026, 2:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multi Modal Imaging: An MRI Study to Investigate Differences in the Structure and the Function of the Brain at Rest.

NCT01517516
View directory record Official record
Conditions
Irritable Bowel Syndrome, Cyclical Vomiting Syndrome, Ulcerative Colitis, Vulvodynia, Crohn's Disease
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Jun 26, 2026, 2:30 PM EDT
Not listed Phase 1 Interventional

Use of Prokinetics During Inpatient Bowel Care for SCI Patients

NCT02370433
View directory record Official record
Conditions
Spinal Cord Injury, Neurogenic Bowel
Interventions
Intravenous Neostigmine and Glycopyrrolate, Transdermal Neostigmine and Glycopyrrolate
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 28, 2017 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional

A Clinical Study to Assess the Physiologic Effects of KB109 in Patients With COVID-19 on Gut Microbiota Structure and Function

NCT04486482
View directory record Official record
Conditions
Mild-to-Moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
12
States / cities
Cullman, Alabama • Los Angeles, California • Rancho Cucamonga, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional Results available

Open Label Seroquel (Quetiapine) Study for Treatment Resistant Functional Bowel Disorder

NCT00617396
View directory record Official record
Conditions
Functional Bowel Disorders
Interventions
Quetiapine (50 mg/day-100mg/day)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Jun 26, 2026, 2:30 PM EDT
Not yet recruiting Early Phase 1 Interventional

Use of A Complex Gut Bacterial Consortium (MITI 001) for the Treatment of Irritable Bowel Syndrome With Diarrhea

NCT07238790
View directory record Official record
Conditions
IBS (Irritable Bowel Syndrome), Diarrhea
Interventions
MITI-001 administration
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Redwood City, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Targeted MedlinePlus Health Prescriptions Into Clinic Practice Workflow

NCT00634608
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Back Pain, Benign Prostatic Hypertrophy, Bursitis, Depression, Anxiety, Diabetes Mellitus, Esophageal Reflux, HIV Infections, Hyperlipidemia, Hypertension, Insomnia, Irritable Bowel Syndrome, Obesity, Osteoporosis (Senile), Shoulder Pain, Sinusitis, Symptomatic Menopause, Urinary Incontinence, Urinary Tract Infection, Vaginitis
Interventions
Health Information Prescription
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Effects of a Vaginal Probiotic on Vaginal and Digestive Health

NCT06124313
View directory record Official record
Conditions
Irritable Bowel Syndrome, Vaginal Health
Interventions
Vaginal Probiotic
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Jun 26, 2026, 2:30 PM EDT
Not listed Not applicable Interventional

Improving Bowel Function and Quality of Life After Spinal Cord Injury

NCT03949660
View directory record Official record
Conditions
Neurogenic Bowel
Interventions
Stimulation for blood pressure without stand, Stimulation for blood pressure with stand, Stimulation for trunk and core without stand, Stimulation for trunk or core with stand
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
2
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jun 26, 2026, 2:30 PM EDT
Recruiting Phase 4 Interventional

Neuromuscular Blockade Comparison for GI-2 Recovery After Bowel Resection

NCT06112353
View directory record Official record
Conditions
Intestinal Disease
Interventions
Neostigmine Injectable Solution, Sugammadex injection
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jun 26, 2026, 2:30 PM EDT
Terminated Not applicable Interventional

Exercise Preconditioning with Cancer Surgeries

NCT04923672
View directory record Official record
Conditions
Colorectal Cancer, Hepatobiliary Cancer, Gynecologic Cancer
Interventions
Moderate continuous exercise, High intensity interval exercise
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Jun 26, 2026, 2:30 PM 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 21, 2024 · Synced Jun 26, 2026, 2:30 PM EDT
Terminated Phase 3 Interventional

The Effect of Tegaserod on Patterns of Flow in the Small Bowel of Patients With Irritable Bowel Syndrome (IBS)

NCT00171431
View directory record Official record
Conditions
Constipation Predominant, Irritable Bowel Syndrome (IBS-C)
Interventions
Tegaserod
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2012 · Synced Jun 26, 2026, 2:30 PM EDT
Not listed Not applicable Interventional

Changes in Microbiota and Quality of Life in IBS

NCT05266287
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
a supplement containing 2'-fucosyllactose (2'-FL), Placebo Supplement
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Comparing the Effectiveness of 2 Diets for Patients With Irritable Bowel Syndrome

NCT01624610
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dietary intervention
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced Jun 26, 2026, 2:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

OptiCal Study -Optimizing Fecal Calprotectin Monitoring: a Clinical Study Comparing CalproLab Against PhiCal and Evaluating Its Association With the Gut Microbiome

NCT03051204
View directory record Official record
Conditions
Crohn Disease, Ulcerative Colitis, Irritable Bowel Syndrome, Celiac Disease, Healthy
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 65 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Jun 26, 2026, 2:30 PM EDT
Completed Not applicable Interventional

RCT of VR Therapy for IBS

NCT06687616
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
SynerGI, Sham VR
Device
Lead sponsor
Christopher Almario
Other
Eligibility
10 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Los Angeles, California • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Jun 26, 2026, 2:30 PM EDT