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Completed Phase 2 Interventional Results available

Phase 2 Randomized, Double-Blind, Placebo-Controlled, Parallel Group Trial of Linaclotide Administered to Patients With Opioid-Induced Constipation Receiving Chronic Opioid Treatment for Non-Cancer Pain

ClinicalTrials.gov ID: NCT02270983

Public ClinicalTrials.gov record NCT02270983. 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 Jul 22, 2026, 12:08 PM 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 2 Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Trial of Linaclotide Administered Orally for 8 Weeks to Adult Outpatients With Opioid-Induced Constipation Receiving Chronic Opioid Treatment for Non-Cancer Pain

Study identification

NCT ID
NCT02270983
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Forest Laboratories
Industry
Enrollment
254 participants

Conditions and interventions

Interventions

  • Linaclotide 145 micrograms Drug
  • Linaclotide 290 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
Oct 30, 2014
Primary completion
Aug 30, 2015
Completion
Oct 30, 2015
Last update posted
Apr 7, 2019

2014 – 2015

United States locations

U.S. sites
77
U.S. states
29
U.S. cities
70
Facility City State ZIP Site status
Forest Investigative Site 002 Anniston Alabama 36207
Forest Investigative Site 001 Foley Alabama 36535
Forest Investigative Site 007 Phoenix Arizona 85029
Forest Investigative Site 008 Tucson Arizona 85710
Forest Investigative Site 003 North Little Rock Arkansas 72217
Forest Investigative Site 018 Anaheim California 92801
Forest Investigative Site 014 Fountain Valley California 92708
Forest Investigative Site 019 Fresno California 93702
Forest Investigative Site 017 Garden Grove California 92843
Forest Investigative Site 010 Gold River California 95670
Forest Investigative Site 009 Lincoln California 95648
Forest Investigative Site 012 North Hollywood California 91606
Forest Investigative Site 011 Orange California 92868
Forest Investigative Site 016 Sacramento California 95821
Forest Investigative Site 013 San Diego California 92108
Forest Investigative Site 015 Santa Ana California 92701
Forest Investigative Site 020 Colorado Springs Colorado 80904
Forest Investigative Site 021 Bristol Connecticut 06010
Forest Investigative Site 035 Boynton Beach Florida 33426
Forest Investigative Site 038 Bradenton Florida 34208
Forest Investigative Site 024 DeLand Florida 32720
Forest Investigative Site 027 Gainesville Florida 32607
Forest Investigative Site 023 Jacksonville Florida 32257
Forest Investigative Site 036 Jupiter Florida 33458
Forest Investigative Site 037 Lauderdale Lakes Florida 33319
Forest Investigative Site 028 Miami Florida 33185
Forest Investigative Site 040 Orlando Florida 32801
Forest Investigative Site 022 Oviedo Florida 32765
Forest Investigative Site 034 Port Orange Florida 32129
Forest Investigative Site 029 Seminole Florida 33777
Forest Investigative Site 031 Tampa Florida 33603
Forest Investigative Site 033 Tampa Florida 33606
Forest Investigative Site 030 Tampa Florida 33613
Forest Investigative Site 039 West Palm Beach Florida 33409
Forest Investigative Site 032 Weston Florida 33331
Forest Investigative Site 041 Marietta Georgia 30060
Forest Investigative Site 042 Woodstock Georgia 30189
Forest Investigative Site 043 Chicago Illinois 60616
Forest Investigative Site 044 Evansville Indiana 47714
Forest Investigative Site 045 Madisonville Kentucky 42431
Forest Investigative Site 046 Metairie Louisiana 70006
Forest Investigative Site 048 Hagerstown Maryland 21742
Forest Investigative Site 047 Watertown Massachusetts 02472
Forest Investigative Site 050 Chesterfield Michigan 48047
Forest Investigative Site 049 Flint Michigan 48504
Forest Investigative Site 058 Omaha Nebraska 68114
Forest Investigative Site 057 Omaha Nebraska 68134
Forest Investigative Site 059 Williamsville New York 14221
Forest Investigative Site 082 Asheboro North Carolina 27203
Forest Investigative Site 054 Chapel Hill North Carolina 27514
Forest Investigative Site 088 Davidson North Carolina 28036
Forest Investigative Site 051 Flat Rock North Carolina 28731
Forest Investigative Site 052 Greensboro North Carolina 27403
Forest Investigative Site 055 Greensboro North Carolina 27410
Forest Investigative Site 053 Winston-Salem North Carolina 27103
Forest Investigative Site 056 Fargo North Dakota 58103
Forest Investigative Site 062 Cincinnati Ohio 45219
Forest Investigative Site 061 Columbus Ohio 43213
Forest Investigative Site 060 Mentor Ohio 44060
Forest Investigative Site 087 Wadsworth Ohio 44281
Forest Investigative Site 064 Oklahoma City Oklahoma 73103
Forest Investigative Site 063 Oklahoma City Oklahoma 73120
Forest Investigative Site 065 Tulsa Oklahoma 74104
Forest Investigative Site 066 Medford Oregon 97504
Forest Investigative Site 067 Levittown Pennsylvania 19056
Forest Investigative Site 080 Philadelphia Pennsylvania 19140
Forest Investigative Site 068 Cumberland Rhode Island 02864
Forest Investigative Site 070 Charleston South Carolina 29406
Forest Investigative Site 083 Richardson Texas 75080
Forest Investigative Site 074 San Antonio Texas 78209
Forest Investigative Site 073 San Antonio Texas 78215
Forest Investigative Site 071 San Antonio Texas 78229
Forest Investigative Site 075 Logan Utah 84341
Forest Investigative Site 084 Ogden Utah 84341
Forest Investigative Site 076 West Jordan Utah 84088
Forest Investigative Site 078 Christiansburg Virginia 24073
Forest Investigative Site 079 Bellevue Washington 98007

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02270983, 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 Apr 7, 2019 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02270983 live on ClinicalTrials.gov.

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