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 20, 2026, 5:37 AM EDT

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

Showing 25–48 of 405 matching trials from the live ClinicalTrials.gov search.
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
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
Conditions
Constipation
Interventions
Vibrating capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
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
Terminated Phase 2 Interventional Results available

Effects of Botox in Obstructed Defecation Syndrome

NCT02160288
Conditions
Obstructed Defecation Syndrome (ODS)
Interventions
Botulinum Toxin-A, Normal Saline
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Constipation - Functional
Interventions
CDD-2101
Drug
Lead sponsor
Centre for Chinese Herbal Medicine Drug Development Limited
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Newark, New Jersey
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
Conditions
Opioid-induced Constipation
Interventions
ALKS 37, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
20
States / cities
Mesa, Arizona • Phoenix, Arizona • National City, California + 17 more
Conditions
Constipation
Interventions
Vibrating Capsule, Sham capsule
Device
Lead sponsor
Vibrant Ltd.
Industry
Eligibility
22 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
Canoga Park, California • Albuquerque, New Mexico • Willoughby, Ohio + 1 more
Completed Not applicable Interventional Results available

A Colonic Tube to Improve Bowel Function in Spinal Cord Injury

NCT00345397
Conditions
Constipation, Fecal Incontinence, Spinal Cord Injury
Interventions
Percutaneous endoscopic colostomy (PEC) tube
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Constipation
Interventions
Methylnaltrexone, Senna, docusate sodium, bisacodyl, magnesium hydroxide, Miralax
Drug
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
12 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Spokane, Washington
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
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
Conditions
Constipation
Interventions
Biofeedback
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
San Francisco, California
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide or Matching Placebo
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
107
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 97 more
Conditions
Chronic Constipation
Interventions
Matching Placebo, Linaclotide
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
105
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 98 more
Conditions
Bowel Dysfunction, Constipation
Interventions
alvimopan, Placebo
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
137
States / cities
Birmingham, Alabama • Calera, Alabama • Muscle Shoals, Alabama + 114 more
Conditions
Systemic Sclerosis, Constipation, Gastrointestinal Motility Disorder, Autonomic Dysfunction
Interventions
Transcutaneous Electrical Acustimulation (TEA), Sham-TEA
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 3 Interventional Results available

Long Term Safety of Naldemedine

NCT01965652
Conditions
Opioid-induced Constipation
Interventions
Naldemedine, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
99
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 96 more
Completed Phase 3 Interventional Results available

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

NCT01982240
Conditions
Chronic Idiopathic Constipation
Interventions
Plecanatide, Placebo, Bisacodyl
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
177
States / cities
Birmingham, Alabama • Dothan, Alabama • Gulf Shores, Alabama + 143 more
Conditions
Constipation
Interventions
MiraLax
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
4 Years to 16 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Boston, Massachusetts • Youngstown, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Tolerability and Functional Assessment of a Novel Children's Synbiotic

NCT04534036
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
Terminated Phase 2 Interventional Results available

Treating Anorectal Dysfunction in MS

NCT02609607
Conditions
Constipation, Fecal Incontinence, Multiple Sclerosis
Interventions
Bisacodyl, Placebo
Drug · Other
Lead sponsor
David Levinthal
Other
Eligibility
18 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Opioid-Induced Constipation
Interventions
NKTR-118, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
81
States / cities
Huntsville, Alabama • Casa Grande, Arizona • Phoenix, Arizona + 78 more