Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 313–336 of 405 matching trials from the live ClinicalTrials.gov search.
Conditions
Chronic Constipation
Interventions
RM-131, Placebo
Drug
Lead sponsor
Motus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Constipation
Interventions
Vibrant capsule, Sham capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Guntersville, Alabama • Miami, Florida
Conditions
Chronic Idiopathic Constipation
Interventions
Vibrant capsule, Placebo
Device · Drug
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Newport News, Virginia
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
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Whole Gut Transit Time Using the SmartPill Capsule

NCT00603707
Conditions
Constipation
Interventions
Not listed
Lead sponsor
The SmartPill Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
8
States / cities
Scottsdale, Arizona • Iowa City, Iowa • Kansas City, Kansas + 5 more
Conditions
Irritable Bowel Syndrome
Interventions
MD-1100 Acetate
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Chronic Idiopathic Constipation
Interventions
Plecanatide, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
167
States / cities
Anniston, Alabama • Huntsville, Alabama • Chandler, Arizona + 119 more
Completed Phase 1 Interventional Accepts healthy volunteers

TD-1211 IV/Oral Mass Balance Study

NCT01702194
Conditions
OIC
Interventions
TD-1211 IV [C14], TD-1211 PO [C14]
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Healthy, Opioid-induced Constipation
Interventions
TD-1211, Placebo
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
Pasadena, California • San Antonio, Texas • Salt Lake City, Utah
Completed Phase 1 Interventional Accepts healthy volunteers

TD-1211 Single-Dose Study in Elderly and Young Healthy Subjects

NCT01655771
Conditions
Constipation
Interventions
TD-1211 Dose 1, TD-1211 Dose 2
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Constipation Predominant Irritable Bowel Syndrome
Interventions
Tenapanor, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 75 Years
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
111
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 92 more
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
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Los Angeles, California • Ann Arbor, Michigan
Conditions
Drug Induced Constipation
Interventions
Naloxegol, Diltiazem XR
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Recruiting Not applicable Interventional Accepts healthy volunteers

Understanding Mechanisms of Normal and Disordered Defecation

NCT03842007
Conditions
Constipation
Interventions
Rectal Barostat Study, Fecoflowmetry
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Advanced Cancers
Interventions
Questionnaires, Video, Fact Sheet
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Houston, Texas
Conditions
Bowel Dysfunction, Constipation
Interventions
Placebo, Alvimopan, Alviompan
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
119
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 104 more
Conditions
Chronic Idiopathic Constipation
Interventions
Vibrating capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
8
States / cities
Foley, Alabama • Tucson, Arizona • Augusta, Georgia + 5 more
Completed Not applicable Interventional Accepts healthy volunteers

Open Label Single Arm Prebiotic Pilot Trial SR001

NCT07127120
Conditions
PARKINSON DISEASE (Disorder)
Interventions
Prebiotic fiber blend
Dietary Supplement
Lead sponsor
Sorridi Therapeutics
Industry
Eligibility
60 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Northbrook, Illinois
Conditions
Chronic Idiopathic Constipation
Interventions
Lubiprostone
Drug
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
El Paso, Texas
Conditions
Post Procedural Constipation
Interventions
MiraLax, Placebo, Rescue Laxative
Drug
Lead sponsor
Duke University
Other
Eligibility
19 Years and older · Female only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Constipation
Interventions
Fiber containing tube feeding formula
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Opioid-Induced Constipation
Interventions
methylnaltrexone, placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
4
States / cities
Laguna Hills, California • Lancaster, California • Flat Rock, North Carolina + 1 more
Conditions
Constipation, Chronic Idiopathic Constipation, Irritable Bowel Syndrome With Constipation
Interventions
CSP01, Carboxymethylcellulose (CMC), Placebo
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
22 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts