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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Defecation Function Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Maltodextrin Supplementation: Gastrointestinal Health

NCT02733263
View directory record Official record
Conditions
Healthy
Interventions
15 g RMD, 25 g RMD, 0 g RMD
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Sep 3, 2026, 5:04 AM 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 Sep 3, 2026, 5:04 AM EDT
Withdrawn No phase listed Observational

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in IBS

NCT04214470
View directory record Official record
Conditions
Irritable Bowel, Irritable Bowel Syndrome, Irritable Bowel Syndrome With Diarrhea, Irritable Bowel Syndrome Mixed, Irritable Bowel Syndrome With Constipation, Irritable Bowel Syndrome Without Diarrhea, Irritable Bowel Syndrome Aggravated, Irritable Bowel Syndrome Characterized by Constipation, Irritable Bowel Syndrome Characterised by Alternating Bowel Habit
Interventions
No intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Evaluation of a Diet and Nutritional Supplementation Program- Purify 2.0

NCT03685552
View directory record Official record
Conditions
Gastrointestinal Symptoms
Interventions
Prog: Purify-2
Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 3, 2026, 5:04 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Transverse Abdominal Plane Anesthesia for Abdominal Wall Reconstruction

NCT02274077
View directory record Official record
Conditions
Hernia, Ventral
Interventions
EXPAREL, Normal Saline
Drug
Lead sponsor
Chester Mays
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Sep 3, 2026, 5:04 AM EDT
Not yet recruiting Not applicable Interventional

The Food Network Effect

NCT07618559
View directory record Official record
Conditions
Post Operative Patients
Interventions
Food Related Visual Stimuli Exposure
Behavioral
Lead sponsor
Casey Morehouse, DO
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 3, 2026, 5:04 AM EDT
Recruiting No phase listed Observational

Impact of Gut Microbiome on Metabolic and Bowel Function During the First Year After Spinal Cord Injury

NCT05670288
View directory record Official record
Conditions
Spinal Cord Injuries, Gut Microbiome
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional

Impact of Defecation Posture on Ease of First Bowel Movement Following Posterior Repair

NCT06253689
View directory record Official record
Conditions
Postoperative Constipation, Pelvic Organ Prolapse Vaginal Surgery, Defecation Function
Interventions
Defecation Posture Modification Device
Device
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Sep 3, 2026, 5:04 AM 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 Sep 3, 2026, 5:04 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Remote Study of an Electronic Means to Characterize Bowel Movements in Adult Populations

NCT04182048
View directory record Official record
Conditions
Irritable Bowel Syndrome, Healthy
Interventions
Not listed
Lead sponsor
HealthMode Inc.
Industry
Eligibility
18 Years and older
Enrollment
843 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2022 · Synced Sep 3, 2026, 5:04 AM EDT
Recruiting Not applicable Interventional

A Study of Herbal Supplements in Cancer Survivors With Constipation

NCT07091084
View directory record Official record
Conditions
Constipation, Cancer, Functional Constipation
Interventions
MZRW
Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 3, 2026, 5:04 AM EDT
Recruiting Not applicable Interventional

Intra-Corporeal Anastomosis Result in Quicker Return of Bowel Function/Earlier Discharge

NCT03862781
View directory record Official record
Conditions
Colorectal Disorders
Interventions
Right Hemicolectomy
Procedure
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Return of Bowel Function After One or Two Level Anterior Lumbar Interbody Fusion With Chewing Gum

NCT03945461
View directory record Official record
Conditions
Spondylosis, Spondylolisthesis, Neurogenic Claudication, Foraminal Stenosis
Interventions
Chewing gum
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Preoperative Fiber on Postoperative Bowel Function

NCT04882995
View directory record Official record
Conditions
Constipation, Prolapse, Vaginal
Interventions
Psyillium fiber
Dietary Supplement
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Utility of an Animated Bowel Biofeedback Training Routine to Improve Bowel Function in Individuals With SCI

NCT02406859
View directory record Official record
Conditions
Spinal Cord Injury, Constipation, Fecal Incontinence, Neurogenic Bowel
Interventions
Bowel Biofeedback, Anorectal Manometry
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Phase 3 Interventional

Effects of Intravenous Local Anesthetic on Bowel Function After Colectomy

NCT00600158
View directory record Official record
Conditions
Postoperative Ileus
Interventions
bupivacaine with hydromorphone, lidocaine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2008 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Myoelectric Activity Following Colorectal Surgery and Return of Bowel Function

NCT05298774
View directory record Official record
Conditions
Gastrointestinal Diseases, Ileus Paralytic, Ileus
Interventions
G-tech WPS
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 3, 2026, 5:04 AM EDT
Active, not recruiting Not applicable Interventional

Electrical Stimulation for Continence After Spinal Cord Injury

NCT02978638
View directory record Official record
Conditions
Spinal Cord Injury, Neurogenic Bladder, Incontinence
Interventions
Finetech Vocare Bladder System
Device
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
22 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
4
States / cities
Palo Alto, California • San Jose, California • Albuquerque, New Mexico + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Phase 1 Interventional Results available

Effect of Lubiprostone on Methanogenesis and Bowel Function in Chronic Constipation.

NCT01190020
View directory record Official record
Conditions
Chronic Constipation, Methanogenesis
Interventions
Lubiprostone, Lubiprostone Control
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Iowa City, Iowa • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Sugammadex To IMprove Bowel Function

NCT04546672
View directory record Official record
Conditions
Bowel Dysfunction, Postoperative Complications, Neuromuscular Blockade
Interventions
Sugammadex, Neostigmine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional

Effect of HMOs as Nutritional Support for Normal Bowel Movements in IBS Patients

NCT03550742
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Fuco-N-Tetraose
Other
Lead sponsor
Glycom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intravenous Lidocaine for Cystectomy Procedures

NCT02924480
View directory record Official record
Conditions
Invasive Bladder Cancer
Interventions
Cystectomy, Lidocaine, Saline
Procedure · Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 3, 2026, 5:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Influence of a Delivery System on the Efficacy of a Probiotic Intervention

NCT01399996
View directory record Official record
Conditions
Delayed Transit Time, Irregular Bowel Function
Interventions
Yogurt smoothie without probiotic, Yogurt smoothie with probiotic added post fermentation, Yogurt smoothie with probiotic added pre-fermentation, A capsule containing the probiotic
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 3, 2026, 5:04 AM EDT
Completed No phase listed Observational

Functional Outcomes and Quality of Life in Patients Undergoing Surgery for Rectal Cancer

NCT00579579
View directory record Official record
Conditions
Rectal Cancer
Interventions
Questionaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Sep 3, 2026, 5:04 AM EDT