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Completed Phase 3 Interventional Results available

Phase III, Randomized, Double-Blind, Placebo-Controlled, Trial of Linaclotide Administered to Patients With Chronic Constipation

ClinicalTrials.gov ID: NCT00765882

Public ClinicalTrials.gov record NCT00765882. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 9:43 AM EDT

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

Official title

A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Trial of Linaclotide Administered Orally for 12 Weeks in Patients With Chronic Constipation

Study identification

NCT ID
NCT00765882
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Forest Laboratories
Industry
Enrollment
633 participants

Conditions and interventions

Interventions

  • Linaclotide 290 micrograms Drug
  • Linaclotide 145 micrograms Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2008
Primary completion
Jun 30, 2009
Completion
Jul 31, 2009
Last update posted
Jan 29, 2013

2008 – 2009

United States locations

U.S. sites
100
U.S. states
32
U.S. cities
92
Facility City State ZIP Site status
Forest Investigative Site Birmingham Alabama 35205
Forest Investigative Site Birmingham Alabama 35215
Forest Investigative Site Huntsville Alabama 35801
Forest Investigative Site Chandler Arizona 85225
Forest Investigative Site Mesa Arizona 85210
Forest Investigative Site Peoria Arizona 85381
Forest Investigative Site Phoenix Arizona 85012
Forest Investigative Site Scottsdale Arizona 85251
Forest Investigative Site Tucson Arizona 85741
Forest Investigative Site Burbank California 91505
Forest Investigative Site Encinitas California 92024
Forest Investigative Site Foothill Ranch California 92610
Forest Investigative Site Los Angeles California 90036
Forest Investigative Site Orange California 92869
Forest Investigative Site Westlake Village California 91361
Forest Investigative Site Boulder Colorado 80304
Forest Investigative Site Colorado Springs Colorado 80909
Forest Investigative Sites Denver Colorado 80205
Forest Investigative Site Longmont Colorado 80501
Forest Investigative Site Wheat Ridge Colorado 80033
Forest Investigative Site Waterbury Connecticut 06708
Forest Investigative Site Boca Raton Florida 33486
Forest Investigative Site Bradenton Florida 34203
Forest Investigative Site Brooksville Florida 34601
Forest Investigative Site Fort Myers Florida 33916
Forest Investigative Site Jupiter Florida 33458
Forest Investigative Site Kissimmee Florida 34741
Forest Investigative Site Miami Florida 33143
Forest Investigative Site Ocala Florida 34471
Forest Investigative Site Orlando Florida 32806
Forest Investigative Site Panama City Florida 32405
Forest Investigative Site Pembroke Pines Florida 33024
Forest Investigative Site St. Petersburg Florida 33709
Forest Investigative Site Tampa Florida 33606
Forest Investigative Site Trinity Florida 34655
Forest Investigative Site Zephyrhills Florida 33542
Forest Investigative Site Atlanta Georgia 30342
Forest Investigative Site Marietta Georgia 30060
Forest Investigative Site Marietta Georgia 30067
Forest Investigative Site Stockbridge Georgia 30281
Forest Investigative Site Woodstock Georgia 30189
Forest Investigative Site Idaho Falls Idaho 83404
Forest Investigative Site Rockford Illinois 61107
Forest Investigative Site Elkhart Indiana 46514
Forest Investigative Site Evansville Indiana 47714
Forest Investigative Site Indianapolis Indiana 46237
Forest Investigative Site Indianapolis Indiana 46254
Forest Investigative Site Iowa City Iowa 52242
Forest Investigative Site Arkansas City Kansas 67005
Forest Investigative Site Newton Kansas 67114
Forest Investigative Site Wichita Kansas 67205
Forest Investigative Site Wichita Kansas 67207
Forest Investigative Site Lexington Kentucky 40509
Forest Investigative Site Madisonville Kentucky 42431
Forest Investigative Site Chevy Chase Maryland 20815
Forest Investigative Site Hagerstown Maryland 21742
Forest Investigative Site Lutherville Maryland 21093
Forest Investigative Site Boston Massachusetts 02135
Forest Investigative Site Chaska Minnesota 55318
Forest Investigative Site St Louis Missouri 63110
Forest Investigative Site St Louis Missouri 63128
Forest Investigative Site Vineland New Jersey 08360
Forest Investigative Site Albuquerque New Mexico 87106
Forest Investigative Site Brooklyn New York 11214
Forest Investigative Site Great Neck New York 11021
Forest Investigative Site Great Neck New York 11023
Forest Investigative Site Fayetteville North Carolina 28304
Forest Investigative Site Greensboro North Carolina 27403
Forest Investigative Site Hickory North Carolina 28601
Forest Investigative Site Raleigh North Carolina 27612
Forest Investigative Site Wilmington North Carolina 28401
Forest Investigative Site Winston-Salem North Carolina 27103
Forest Investigative Site Bismarck North Dakota 58501
Forest Investigative Site Akron Ohio 44302
Forest Investigative Site Cincinnati Ohio 45219
Forest Investigative Site Cleveland Ohio 44122
Forest Investigative Site Oklahoma City Oklahoma 73104
Forest Investigative Site Tulsa Oklahoma 74135
Forest Investigative Site Bensalem Pennsylvania 19020
Forest Investigative Site Pittsburgh Pennsylvania 15206
Forest Investigative Site Greenville South Carolina 29615
Forest Investigative Site Greer South Carolina 29651
Forest Investigative Site Nashville Tennessee 37205
Forest Investigative Site Austin Texas 78705
Forest Investigative Site Dallas Texas 75234
Forest Investigative Site Houston Texas 77090
Forest Investigative Site Lake Jackson Texas 77566
Forest Investigative Site San Antonio Texas 78209
Forest Investigative Site San Antonio Texas 78229
Forest Investigative Site Salt Lake City Utah 84102
Forest Investigative Site Charlottesville Virginia 22911
Forest Investigative Site Christianburg Virginia 24073
Forest Investigative Site Newport News Virginia 23606
Forest Investigative Site Norfolk Virginia 23502
Forest Investigative Site Norfolk Virginia 23507
Forest Investigative Site Richmond Virginia 23294
Forest Investigative Site Bellevue Washington 98402
Forest Investigative Site Lakewood Washington 98499
Forest Investigative Site Wenatchee Washington 98801
Forest Investigative Site Milwaukee Wisconsin 53209

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00765882, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 29, 2013 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00765882 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →