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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:23 AM EDT

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Showing 1–24 of 110 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Chronic Constipation Clear all
Recruiting Phase 3 Interventional

A 26-Wk Study to Assess Safety & Efficacy of Tenapanor for T/t of Chronic Idiopathic Constipation in Adults

NCT07382167
View directory record Official record
Conditions
Chronic Idiopathic Constipation (CIC)
Interventions
Tenapanor 5 mg BID, Tenapanor 25 mg BID, Tenapanor 50 mg BID, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 80 Years
Enrollment
692 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
109
States / cities
Foley, Alabama • Saraland, Alabama • Chandler, Arizona + 98 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Tolerability Study of Panosyl Isomaltooligosaccharides (PIMO), in Subjects With Chronic Idiopathic Constipation (CIC)

NCT05129618
View directory record Official record
Conditions
Constipation Chronic Idiopathic
Interventions
MHS 1031, placebo
Dietary Supplement · Other
Lead sponsor
Microbiome Health Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Manassas, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Oct 17, 2026, 8:23 AM 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Withdrawn No phase listed Observational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 17, 2026, 8:23 AM EDT
Terminated Phase 4 Interventional

Effect of Tegaserod on Orocecal Transit in Elderly Chronic Constipation Patients

NCT00348634
View directory record Official record
Conditions
Chronic Constipation
Interventions
Tegaserod
Drug
Lead sponsor
Novartis
Industry
Eligibility
65 Years and older
Enrollment
60 participants
Timeline
2006 – 2007
U.S. locations
3
States / cities
North Little Rock, Arizona • Ann Arbor, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 4, 2016 · Synced Oct 17, 2026, 8:23 AM EDT
Terminated Phase 2 Interventional

A Phase 2 Study to Evaluate the Safety and Efficacy of RM-131 in Patients With Parkinson's Disease & Chronic Constipation

NCT01955616
View directory record Official record
Conditions
Parkinson's Disease
Interventions
RM-131, Placebo
Drug
Lead sponsor
Motus Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
13
States / cities
Los Angeles, California • Englewood, Colorado • Gainesville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Effects of Constipation Treatment in Chronic Kidney Disease: A Pilot Feasibility Trial

NCT06123195
View directory record Official record
Conditions
Chronic Kidney Disease, Constipation
Interventions
Constipation treatment
Other
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Guideline to Implementation: A Rapid Clinical Care Pathway to Care for Patients Affected by Chronic Constipation

NCT06352827
View directory record Official record
Conditions
Constipation
Interventions
Survey
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 4 Interventional Results available

Study to Investigate Prucalopride vs. Polyethylene Glycol 3350 on Colon Activity

NCT01707667
View directory record Official record
Conditions
Chronic Constipation
Interventions
prucalopride, PEG 3350
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 17, 2026, 8:23 AM 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 17, 2026, 8:23 AM EDT
Completed Phase 2 Interventional Results available

An Efficacy and Safety Study of Plecanatide in Adolescents 12 to <18 Years of Age With Chronic Idiopathic Constipation

NCT03120520
View directory record Official record
Conditions
Chronic Idiopathic Constipation
Interventions
Plecanatide, Matching placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
12 Years to 17 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
36
States / cities
Foley, Alabama • Jonesboro, Arkansas • Cerritos, California + 33 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Kiwifruit, Prunes, & Fiber for Abdominal and Bowel Symptoms in US Patients With Chronic Constipation

NCT03569527
View directory record Official record
Conditions
Chronic Constipation
Interventions
Kiwifruit, Fiber, Prunes
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Oct 17, 2026, 8:23 AM 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 17, 2026, 8:23 AM EDT
Completed Phase 1 Interventional

Study to Evaluate the Effects of RM-131 in Patients With Chronic Constipation

NCT02137642
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 2 Interventional

Study Evaluating Oral MOA-728 for the Treatment of Opioid-Induced Bowel Dysfunction (OIBD) in Subjects With Chronic Non-Malignant Pain

NCT00366431
View directory record Official record
Conditions
Constipation
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
67
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 17, 2026, 8:23 AM EDT
Active, not recruiting No phase listed Observational

Post-Marketing Study of Prucalopride Safety In Pregnancy

NCT04869280
View directory record Official record
Conditions
Chronic Idiopathic Constipation (CIC)
Interventions
No Intervention
Other
Lead sponsor
Takeda
Industry
Eligibility
Female only
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Lubiprostone Effect on Gastrointestinal Tract Transit Times Measured by Smartpill in Patients With Chronic Constipation

NCT01469819
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 9, 2017 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

The Effect of CSP01 on Chronic Idiopathic Constipation and Irritable Bowel Syndrome With Constipation

NCT03054506
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 3 Interventional Results available

BLI400-302: A Safety and Efficacy Evaluation of BLI400 Laxative in Constipated Adults

NCT02819297
View directory record Official record
Conditions
Constipation, Chronic Idiopathic Constipation, CIC
Interventions
BLI400 Laxative, BLI400 Placebo
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
1,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
51
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 43 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Double-Blind, Double-Dummy, 2-Period Crossover of a 20-Minute Versus a 4-hour IV of MOA-728 in Stable Methadone Subjects

NCT00444158
View directory record Official record
Conditions
Constipation
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 17, 2026, 8:23 AM EDT
No Longer Available No phase listed Expanded access

Domperidone Expanded Access Protocol for Patients With Gastrointestinal Disorders

NCT02567175
View directory record Official record
Conditions
Gastroesophageal Reflux, Gastroparesis, Chronic Constipation With Overflow, Pseudo Obstruction
Interventions
Domperidone
Drug
Lead sponsor
Prasanna K Kapavarapu
Other
Eligibility
12 Years and older
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Oct 17, 2026, 8:23 AM EDT
Recruiting No phase listed Observational

Indiana University Gastrointestinal Motility Diagnosis Registry

NCT04506593
View directory record Official record
Conditions
Eosinophilic Esophagitis, Gastroesophageal Reflux Disease (GERD), Gastroparesis, Functional Vomiting, Irritable Bowel Syndrome (IBS), Constipation, Chronic Intestinal Pseudo-obstruction, Fecal Incontinence, Small Intestinal Bacterial Overgrowth
Interventions
no intervention
Other
Lead sponsor
Indiana University
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 3 Interventional Results available

An Open-label, Long-term Safety Study of Linaclotide in Patients With Chronic Constipation or Irritable Bowel Syndrome With Constipation

NCT00730171
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation, Chronic Constipation
Interventions
Linaclotide
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,743 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
116
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 106 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Oct 17, 2026, 8:23 AM EDT
Completed Phase 3 Interventional Results available

12-Week Study of Plecanatide for CIC (The National CIC3 Study)

NCT02122471
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 17, 2026, 8:23 AM EDT
Terminated Phase 3 Interventional

Safety and Efficacy of Tegaserod in Opioid-induced Constipation in Patients With Non-cancer Pain.

NCT00414024
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
Tegaserod
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Timeline
2007
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 20, 2012 · Synced Oct 17, 2026, 8:23 AM EDT