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Completed Phase 3 Interventional

Treatment Of Constipation Due To Opioids Being Taken For Persistent Non-Cancer Pain

ClinicalTrials.gov ID: NCT00256932

Public ClinicalTrials.gov record NCT00256932. 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 Oct 25, 2026, 9:59 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 Randomized, Double-Blind, Placebo-Controlled, Multicenter Phase 3 Study to Evaluate the Efficacy and Safety of Alvimopan 0.5mg Once Daily and 0.5mg Twice Daily for 12 Weeks for the Treatment of Opioid-Induced Bowel Dysfunction in Adults Taking Opioid Therapy for Persistent Non-Cancer Pain

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Adults who are taking opioid therapy for persistent non-cancer pain and have resulting opioid-induced bowel dysfunction (OBD) will be randomized (1:1:1) to one 2 alvimopan arms, or to placebo. The primary objective of this phase 3 confirmatory study is to compare alvimopan with placebo for efficacy in the treatment of OBD. The primary efficacy endpoint is based on frequency of bowel movements. Subjects will be required to: (1) track their bowel movements and other bowel symptoms and (2) attend 6 clinic visits over 4 months.

Study identification

NCT ID
NCT00256932
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
518 participants

Conditions and interventions

Interventions

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 2005 (Type not available)
Primary completion
Not listed
Completion
May 2006 (Actual)
Last update posted
Sep 2, 2015

2005 – 2006

United States locations

U.S. sites
137
U.S. states
32
U.S. cities
117
Facility City State ZIP Site status
GSK Investigational Site Birmingham Alabama 35243 —
GSK Investigational Site Birmingham Alabama 35244 —
GSK Investigational Site Calera Alabama 35040 —
GSK Investigational Site Muscle Shoals Alabama 35662 —
GSK Investigational Site Tallassee Alabama 36078 —
GSK Investigational Site Glendale Arizona 85306 —
GSK Investigational Site Phoenix Arizona 85023 —
GSK Investigational Site Phoenix Arizona 85032 —
GSK Investigational Site Sun City Arizona 85351 —
GSK Investigational Site Tucson Arizona 85711 —
GSK Investigational Site Tucson Arizona 85741 —
GSK Investigational Site Hot Springs Arkansas 71913 —
GSK Investigational Site Little Rock Arkansas 72223 —
GSK Investigational Site Anaheim California 92801 —
GSK Investigational Site Anaheim California 92805 —
GSK Investigational Site Beuna Park California 90620 —
GSK Investigational Site Burbank California 91505 —
GSK Investigational Site Duarte California 91010 —
GSK Investigational Site Fountain Valley California 92708 —
GSK Investigational Site Huntington Beach California 92648 —
GSK Investigational Site Mission Viejo California 92691 —
GSK Investigational Site Orange California 92869 —
GSK Investigational Site Redlands California 92374 —
GSK Investigational Site San Diego California 92103-6204 —
GSK Investigational Site San Diego California 92120 —
GSK Investigational Site San Diego California 92121 —
GSK Investigational Site Vista California 92083 —
GSK Investigational Site Waterbury Connecticut 067708 —
GSK Investigational Site Newark Delaware 19713 —
GSK Investigational Site Brandon Florida 33511 —
GSK Investigational Site Brooksville Florida 34613 —
GSK Investigational Site DeLand Florida 32720 —
GSK Investigational Site Fort Meyers Florida 33907 —
GSK Investigational Site Gainsville Florida 32607 —
GSK Investigational Site Hollywood Florida 33021 —
GSK Investigational Site Jacksonville Florida 32256 —
GSK Investigational Site Jacksonville Florida 32257 —
GSK Investigational Site Jupiter Florida 33458 —
GSK Investigational Site Largo Florida 33773 —
GSK Investigational Site Melbourne Florida 32901 —
GSK Investigational Site Miami Florida 33145 —
GSK Investigational Site Miami Florida 33186 —
GSK Investigational Site Niceville Florida 32578 —
GSK Investigational Site North Miami Florida 33161 —
GSK Investigational Site Ocala Florida 32607 —
GSK Investigational Site Orlando Florida 32804 —
GSK Investigational Site Ormond Beach Florida 32174 —
GSK Investigational Site Sarasota Florida 34239 —
GSK Investigational Site St. Petersburg Florida 33703 —
GSK Investigational Site Tampa Florida 33603 —
GSK Investigational Site West Palm Beach Florida 33409 —
GSK Investigational Site Winter Park Florida 32789 —
GSK Investigational Site Atlanta Georgia 30308 —
GSK Investigational Site Dawsonville Georgia 30534 —
GSK Investigational Site Decatur Georgia 30033 —
GSK Investigational Site Decatur Georgia 30034 —
GSK Investigational Site Marietta Georgia 30066 —
GSK Investigational Site Bloomington Illinois 61701 —
GSK Investigational Site Rockford Illinois 61107 —
GSK Investigational Site Elkhart Indiana 46515 —
GSK Investigational Site Evansville Indiana 47714 —
GSK Investigational Site Indianapolis Indiana 46202 —
GSK Investigational Site Indianapolis Indiana 46250 —
GSK Investigational Site Newburgh Indiana 47630 —
GSK Investigational Site Lexington Kentucky 40504 —
GSK Investigational Site Louisville Kentucky 40213 —
GSK Investigational Site Shreveport Louisiana 71103 —
GSK Investigational Site Baltimore Maryland 21229-5299 —
GSK Investigational Site Elkridge Maryland 21075 —
GSK Investigational Site Boston Massachusetts 02215 —
GSK Investigational Site Detroit Michigan 48202 —
GSK Investigational Site Portage Michigan 49024 —
GSK Investigational Site Saginaw Michigan 48602 —
GSK Investigational Site Chaska Minnesota 55318 —
GSK Investigational Site Picayune Mississippi 39466 —
GSK Investigational Site Fenton Missouri 63026 —
GSK Investigational Site Manchester Missouri 63021 —
GSK Investigational Site St Louis Missouri 63128 —
GSK Investigational Site St Louis Missouri 63141 —
GSK Investigational Site Omaha Nebraska 68114 —
GSK Investigational Site Incline Village Nevada 89452 —
GSK Investigational Site Las Vegas Nevada 89119 —
GSK Investigational Site Las Vegas Nevada 89146 —
GSK Investigational Site Elizabeth New Jersey 07202 —
GSK Investigational Site Haddon Heights New Jersey 08035 —
GSK Investigational Site Princeton New Jersey 08540 —
GSK Investigational Site East Syracuse New York 13057 —
GSK Investigational Site New York New York 10010 —
GSK Investigational Site New York New York 10016 —
GSK Investigational Site Valley Stream New York 11580 —
GSK Investigational Site Charlotte North Carolina 28204 —
GSK Investigational Site Charlotte North Carolina 28210 —
GSK Investigational Site Concord North Carolina 28025 —
GSK Investigational Site Greensboro North Carolina 27401 —
GSK Investigational Site Salisbury North Carolina 28144 —
GSK Investigational Site Wilmington North Carolina 28412 —
GSK Investigational Site Winston-Salem North Carolina 27103 —
GSK Investigational Site Cincinnati Ohio 45219 —
GSK Investigational Site Cincinnati Ohio 45224 —
GSK Investigational Site Columbus Ohio 43215 —
GSK Investigational Site Dayton Ohio 45408 —
GSK Investigational Site Dayton Ohio 45439 —
GSK Investigational Site Maumee Ohio 43537 —
GSK Investigational Site Oklahoma City Oklahoma 73112 —
GSK Investigational Site Eugene Oregon 97404 —
GSK Investigational Site Medford Oregon 97504 —
GSK Investigational Site Oregon City Oregon 97045 —
GSK Investigational Site Portland Oregon 97210 —
GSK Investigational Site Portland Oregon 97225 —
GSK Investigational Site Portland Oregon 97232 —
GSK Investigational Site Bala-Cynwyd Pennsylvania 19004 —
GSK Investigational Site Nazareth Pennsylvania 18064 —
GSK Investigational Site Whitehall Pennsylvania 18052 —
GSK Investigational Site Wyomissing Pennsylvania 19610 —
GSK Investigational Site Warwick Rhode Island 02886 —
GSK Investigational Site Woonsocket Rhode Island 02895 —
GSK Investigational Site Charleston South Carolina 29406 —
GSK Investigational Site Murrells Inlet South Carolina 29576 —
GSK Investigational Site Spartanburg South Carolina 29303 —
GSK Investigational Site Arlington Texas 76017 —
GSK Investigational Site Brownwood Texas 76801 —
GSK Investigational Site Colleyville Texas 76034 —
GSK Investigational Site Galveston Texas 77555 —
GSK Investigational Site Houston Texas 77054 —
GSK Investigational Site Houston Texas 77074 —
GSK Investigational Site Lake Jackson Texas 77566 —
GSK Investigational Site San Antonio Texas 78205 —
GSK Investigational Site San Antonio Texas 78238 —
GSK Investigational Site Alexandria Virginia 22304 —
GSK Investigational Site Chesapeake Virginia 23322 —
GSK Investigational Site Christiansburg Virginia 24073 —
GSK Investigational Site Danville Virginia 24541 —
GSK Investigational Site Virginia Beach Virginia 23452 —
GSK Investigational Site Bellingham Washington 98226 —
GSK Investigational Site Edmonds Washington 98026 —
GSK Investigational Site Lacey Washington 98516 —
GSK Investigational Site Spokane Washington 99204 —

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 63 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00256932, 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 Sep 2, 2015 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00256932 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →