Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:57 AM EDT

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Showing 217–240 of 405 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Constipation
Interventions
Senna+ docusate, placebo
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Irritable Bowel Syndrome
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Constipation
Interventions
lubiprostone, Matched placebo
Drug
Lead sponsor
University of South Alabama
Other
Eligibility
19 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Mobile, Alabama
Conditions
Postoperative Complications, Constipation
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Irritable Bowel Syndrome With Constipation, Functional Constipation
Interventions
Irritable Bowel Syndrome with Constipation (IBS-C) participants (LIN-MD-63 and LIN-MD-64 completers), Functional Constipation (FC) participants (LIN-MD-62 and LIN-MD-64 completers)
Drug
Lead sponsor
AbbVie
Industry
Eligibility
6 Years to 18 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
65
States / cities
Birmingham, Alabama • Foley, Alabama • Saraland, Alabama + 50 more
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Transdermal Administration by a Novel Wireless Iontophoresis Device

NCT06351852
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 89 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Functional Constipation
Interventions
DAIKENCHUTO (TU-100), Placebo
Drug
Lead sponsor
Tsumura USA
Industry
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Opioid-Induced Constipation (OIC)
Interventions
NKTR-118, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 84 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
68
States / cities
Mobile, Alabama • Pell City, Alabama • Mesa, Arizona + 65 more
Completed No phase listed Observational Accepts healthy volunteers

Abdominal Symptom Phenotype Study in Children

NCT01204515
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
Conditions
Parkinson's Disease, Constipation
Interventions
OMM treatment
Procedure
Lead sponsor
New York Institute of Technology
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Encopresis, Autistic Disorder
Interventions
Glycerin Suppository, Bisacodyl suppository, Senna
Drug
Lead sponsor
Emory University
Other
Eligibility
5 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Effect of Tai Chi as Treatment for IBS-C

NCT04132804
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Tai Chi
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Constipation, Hirschsprung's Disease
Interventions
Endoscopic Mucosal Resection (EMR)
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Lubiprostone and Mucus Secretion in Patients With Chronic Constipation

NCT01447849
Conditions
Constipation
Interventions
lubiprostone, placebo
Drug
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
El Paso, Texas
Conditions
Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
Interventions
vancomycin, Miralax, intestinal microbiota, placebo vancomycin, Miralax, placebo intestinal microbiota
Combination Product
Lead sponsor
Arizona State University
Other
Eligibility
5 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Abdominal Pain, Deglutition Disorders, Fecal Incontinence, Nausea, Diarrhea, Constipation, Gastroesophageal Reflux
Interventions
AEGIS (Automated Evaluation of Gastrointestinal Symptoms)
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Opioid-induced Constipation
Interventions
Naldemedine, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 80 Years
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
49
States / cities
Birmingham, Alabama • Homewood, Alabama • Goodyear, Arizona + 46 more
Conditions
Gastrointestinal Health
Interventions
VIOME Precision Nutrition Program, VIOME-designed condition-based supplements
Combination Product · Dietary Supplement
Lead sponsor
Viome
Industry
Eligibility
25 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bothell, Washington
Conditions
Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions
SYN-010 21 mg, SYN-010 42 mg, Placebo
Drug
Lead sponsor
Theriva Biologics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Miami, Florida
Conditions
Constipation, Bloating
Interventions
PRIM-DJ2727, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Constipation-predominant IBS (IBS-C)
Interventions
NTX-1, psyllium (15 g)
Dietary Supplement · Drug
Lead sponsor
Nutrabiotix, LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Constipation
Interventions
N-methylnaltrexone bromide (MOA-728)
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
94
States / cities
Birmingham, Alabama • Chandler, Arizona • Mesa, Arizona + 76 more