Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 28, 2026, 9:12 AM EDT

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

Showing 25–34 of 10 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Chronic Constipation
Interventions
linaclotide acetate, Matching placebo
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
60
States / cities
Huntsville, Alabama • Tucson, Arizona • Sherwood, Arkansas + 55 more
Conditions
Breast Feeding, Constipation, Irritable Bowel Syndrome
Interventions
linaclotide
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Iowa City, Iowa • Oklahoma City, Oklahoma
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide Dose A, Linaclotide Dose B, Linaclotide Dose C, Linaclotide Approved Adult Dose, Matching Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
7 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
46
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Anaheim, California + 39 more
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
Conditions
Irritable Bowel Syndrome With Constipation, Chronic Idiopathic Constipation
Interventions
Linaclotide
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
828 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
79
States / cities
Anniston, Alabama • Athens, Alabama • Childersburg, Alabama + 69 more
Conditions
Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide, Matching Placebo
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
759 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
71
States / cities
Huntsville, Alabama • Phoenix, Arizona • Tucson, Arizona + 61 more
Conditions
Chronic Constipation, Irritable Bowel Syndrome With Constipation
Interventions
Linaclotide
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
1,559 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
110
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 94 more
Conditions
Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions
Linaclotide, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 64 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Colorectal Cancer, Healthy, no Evidence of Disease
Interventions
linaclotide acetate, placebo, pharmacological study, laboratory biomarker analysis
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Functional Constipation in Children Ages 6-17 Years
Interventions
Placebo, LIN Dose A, LIN Dose B, LIN Dose C, LIN 145 µg
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
6 Years to 17 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
60
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Anaheim, California + 51 more