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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:17 PM EDT

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Showing 73–96 of 99 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Functional Constipation Clear all
Not listed Not applicable Interventional

Trancutaneous Abdominal Stimulation on Bowel Function.

NCT04627168
View directory record Official record
Conditions
Spinal Cord Injuries, Constipation
Interventions
Non-invasive, surface electrical stimulation device, DS5 Digitimer
Device
Lead sponsor
Amol Soin, M.D., MBA
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Oct 22, 2026, 10:17 PM EDT
Recruiting Phase 2Phase 3 Interventional

Home Transcutaneous Electrical Acustimulation (TEA)

NCT05519683
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
TEA, Lexapro
Device · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 22, 2026, 10:17 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Preop Laxatives in Robotic Urologic Surgery

NCT05805436
View directory record Official record
Conditions
Prostate Cancer, Kidney Cancer, Constipation
Interventions
Polyethylene Glycol 3350
Drug
Lead sponsor
Chad R. Tracy
Other
Eligibility
30 Years to 100 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 3 Interventional

Treatment of Functional Bowel Disorders

NCT00006157
View directory record Official record
Conditions
Irritable Bowel Syndrome, Constipation, Abdominal Pain, Functional Colonic Diseases
Interventions
Desipramine, Cognitive Behavioral Treatment
Drug · Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2001
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 22, 2026, 10:17 PM EDT
Not listed Not applicable Interventional

Transcutaneous Electrical Acupoint Stimulation (TEAS) for Chronic Constipation

NCT03243955
View directory record Official record
Conditions
Constipation - Functional
Interventions
Verum TEAS, Sham TEAS
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 1 Interventional

Lubiprostone Effects on Visceral Pain Sensitivity

NCT01166789
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Lubiprostone, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 16, 2011 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 2 Interventional Results available

Randomized, Double-blind, Dose-range-finding, Phase 2 Study of Linaclotide Administered to Patients With Irritable Bowel Syndrome With Constipation (IBS-C)

NCT00460811
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide Acetate, Matching placebo
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
79
States / cities
Huntsville, Alabama • Chandler, Arizona • Tuscon, Arizona + 76 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Oct 22, 2026, 10:17 PM EDT
Completed No phase listed Observational

Impact of Improving Gastrointestinal Symptoms on Autism Symptoms and Oxidative Stress

NCT02442115
View directory record Official record
Conditions
Autistic Disorder, Constipation, Gastrointestinal Diseases
Interventions
Treatment of Functional Constipation by
Other
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
5 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Los Angeles, California • Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 22, 2026, 10:17 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study

NCT04306939
View directory record Official record
Conditions
Chronic Pancreatitis, Inflammatory Bowel Diseases, Hepatitis, NASH - Nonalcoholic Steatohepatitis, Acute Pancreatitis, Rheumatoid Arthritis, Diabetes Mellitus, Dyslipidemias, Multiple Sclerosis, Irritable Bowel Syndrome, Chronic Pain, Chronic Disease, Chronic Kidney Diseases, Crohn Disease, Celiac Disease, Biliary Cirrhosis, Bile Acid Synthesis Defect, Gastritis, Cholecystitis, Cholelithiases, IPMN, Cyst Pancreas, Cystic Fibrosis, Pancreatic Exocrine Insufficiency, Diarrhea Chronic, Constipation - Functional, Constipation Chronic Idiopathic
Interventions
venipuncture, Questionnaires, Additional Sample Collections
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
120,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 22, 2026, 10:17 PM EDT
Withdrawn Not applicable Interventional

The Impact of Aerobic Interval and Inspiratory Muscle Training On Patient Reported Outcome Scores In Individuals With Chronic Constipation

NCT05321953
View directory record Official record
Conditions
Constipation, Constipation by Outlet Obstruction, Constipation-predominant Irritable Bowel Syndrome, Constipation - Functional
Interventions
Standard Physical Therapy Care, Aerobic and Inspiratory Muscle Training
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2023 · Synced Oct 22, 2026, 10:17 PM 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 18, 2025 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 2 Interventional Results available

A Trial for New Treatment of Adult Participants With Irritable Bowel Syndrome

NCT03721107
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Blautix, Placebo
Biological · Other
Lead sponsor
4D pharma plc
Industry
Eligibility
18 Years to 70 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
24
States / cities
Huntsville, Alabama • Phoenix, Arizona • North Hollywood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 22, 2026, 10:17 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 14, 2013 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 4 Interventional Results available

Effects of Lubiprostone on Gastric Function in Patients With Chronic Idiopathic Constipation

NCT01460225
View directory record Official record
Conditions
Chronic Idiopathic Constipation
Interventions
lubiprostone
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 13, 2018 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 2 Interventional Results available

Linaclotide Safety and Efficacy in 2 to 5-Year-Old Participants With Functional Constipation

NCT04110145
View directory record Official record
Conditions
Functional Constipation
Interventions
Linaclotide, Placebo
Drug
Lead sponsor
Allergan
Industry
Eligibility
2 Years to 5 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
18
States / cities
Birmingham, Alabama • Hot Springs, Arkansas • Little Rock, Arkansas + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Oct 22, 2026, 10:17 PM EDT
Withdrawn Phase 2 Interventional

Elobixibat Colonic Motor Function Study

NCT02392546
View directory record Official record
Conditions
Chronic Idiopathic Constipation
Interventions
elobixibat, placebo
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 22, 2026, 10:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

AcuGraph and Digestive Symptoms

NCT00846794
View directory record Official record
Conditions
Digestive Disorders, Irritable Bowel Syndrome, Constipation, Diarrhea
Interventions
Not listed
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 15, 2016 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Neostigmine and Glycopyrrolate

NCT04027972
View directory record Official record
Conditions
Spinal Cord Injuries, Constipation, Fecal Incontinence, Neurogenic Bowel
Interventions
Combination of Neostigmine and Glycopyrrolate, I-Box by Dynatronics
Drug · Device
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerability and Functional Assessment of a Novel Children's Synbiotic

NCT04534036
View directory record Official record
Conditions
Constipation, Signs and Symptoms, Digestive Signs and Symptoms, Infrequent or Difficult Evacuation
Interventions
PDS-08, Placebo
Dietary Supplement · Other
Lead sponsor
Seed Health
Industry
Eligibility
3 Years to 17 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of ROSE-010 on GI Transit in Constipation Predominant Irritable Bowel Syndrome (C-IBS) Patients

NCT01056107
View directory record Official record
Conditions
Irritable Bowel Syndrome Constipation Predominant
Interventions
ROSE-010, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adherence/Outcomes After Use of Constipation Action Plan

NCT03821532
View directory record Official record
Conditions
Constipation - Functional
Interventions
Constipation Action Plan
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
4 Years to 8 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 22, 2026, 10:17 PM EDT
Terminated Phase 3 Interventional Results available

A Study of Prucalopride For Functional Constipation in Children and Teenagers

NCT04759833
View directory record Official record
Conditions
Constipation
Interventions
Prucalopride, Placebo
Drug · Other
Lead sponsor
Takeda
Industry
Eligibility
6 Months to 17 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
41
States / cities
Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 22, 2026, 10:17 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess Adverse Events and Change in Disease Activity in Pediatric Participants (Age 6 Months to <2 Years) With Functional Constipation Who Are Treated With Linaclotide

NCT05760313
View directory record Official record
Conditions
Functional Constipation
Interventions
Linaclotide, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
6 Months to 23 Months
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
18
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Anaheim, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 22, 2026, 10:17 PM EDT
Withdrawn No phase listed Observational

A Pilot Study to Explore the Role of Gut Flora in Chronic Constipation

NCT04148248
View directory record Official record
Conditions
Constipation, Constipation Chronic Idiopathic, Constipation - Functional, Constipation (Excl Faecal Impaction)
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 5, 2025 · Synced Oct 22, 2026, 10:17 PM EDT