Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional

Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) for Uncontrolled Moderate - Severe Low Back Pain

ClinicalTrials.gov ID: NCT01427270

Public ClinicalTrials.gov record NCT01427270. 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 21, 2026, 9:24 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 Randomized, Double-blind, Double-dummy, Placebo-controlled, Active-controlled, Parallel-group, Multicenter Trial of Oxycodone/Naloxone Controlled-release Tablets (OXN) to Assess the Analgesic Efficacy (Compared to Placebo) and the Management of Opioid-induced Constipation (Compared to Oxycodone Controlled-release Tablets (OXY)) in Opioid-experienced Subjects With Uncontrolled Moderate to Severe Chronic Low Back Pain and a History of Opioid-induced Constipation Who Require Around-the-clock Opioid Therapy

Brief summary

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

The primary objective is to assess the efficacy of oxycodone/naloxone (OXN) for the management of opioid-induced constipation (OIC) compared to oxycodone controlled-release tablets (OXY) in subjects with moderate to severe low back pain and OIC who require around-the-clock opioid therapy.

Study identification

NCT ID
NCT01427270
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Purdue Pharma LP
Industry
Enrollment
455 participants

Conditions and interventions

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 2011 (Type not available)
Primary completion
Oct 2014 (Actual)
Completion
Oct 2014 (Actual)
Last update posted
Nov 7, 2014

2011 – 2014

United States locations

U.S. sites
170
U.S. states
32
U.S. cities
140
Facility City State ZIP Site status
Investigational Site Alabaster Alabama 35007 —
Investigational Site Birmingham Alabama 35242 —
Investigational Site Gulf Shores Alabama 36542 —
Investigational Site Homewood Alabama 35209 —
Investigational Site Huntsville Alabama 35801 —
Investigational Site Mobile Alabama 36608 —
Investigational Site Goodyear Arizona 85395-2511 —
Investigational Site Goodyear Arizona 85395 —
Investigational Site Phoenix Arizona 85018 —
Investigational Site Phoenix Arizona 85027 —
Investigational Site Tempe Arizona 85282 —
Investigational Site Tucson Arizona 85704 —
Investigational Site Hot Springs Arkansas 71901 —
Investigational Site Little Rock Arkansas 72211 —
Investigational Site Anaheim California 92801 —
Investigational Site Anaheim California 92804 —
Investigational Site Anaheim California 92805 —
Investigational Site Chino California 91710 —
Investigational Site Fresno California 93720 —
Investigational Site Fresno California 93726 —
Investigational Site Glendale California 91206 —
Investigational Site La Mesa California 91942 —
Investigational Site Laguna Hills California 92637 —
Investigational Site Long Beach California 90806 —
Investigational Site Los Angeles California 90017 —
Investigational Site Los Angeles California 90025 —
Investigational Site Los Angeles California 90036 —
Investigational Site Los Gatos California 95032 —
Investigational Site National City California 91950 —
Investigational Site North Hollywood California 91606 —
Investigational Site Oceanside California 92056 —
Investigational Site Paramount California 90723 —
Investigational Site Richmond California 94806 —
Investigational Site Roseville California 95661 —
Investigational Site Sacramento California 95823 —
Investigational Site Sacramento California 95842 —
Investigational Site San Diego California 92114 —
Investigational Site Santa Ana California 92701 —
Investigational Site Santa Clarita California 91350 —
Investigational Site Valley Village California 91607 —
Investigational Site Golden Colorado 80401 —
Investigational Site New Haven Connecticut 06511 —
Investigational Site Waterbury Connecticut 06708 —
Investigational Site Aventura Florida 33180 —
Investigational Site Boynton Beach Florida 33472 —
Investigational Site Bradenton Florida 34209 —
Investigational Site Clearwater Florida 33765 —
Investigational Site Clermont Florida 34711 —
Investigational Site Coral Gables Florida 33134 —
Investigational Site Daytona Beach Florida 32117 —
Investigational Site Fort Lauderdale Florida 33316 —
Investigational Site Hialeah Florida 33012 —
Investigational Site Hialeah Florida 33013 —
Investigational Site Inverness Florida 34452 —
Investigational Site Jacksonville Florida 32216 —
Investigational Site Jacksonville Florida 32257 —
Investigational Site Jupiter Florida 33458 —
Investigational Site Miami Florida 33125 —
Investigational Site Miami Florida 33126 —
Investigational Site Miami Florida 33135 —
Investigational Site Miami Florida 33143 —
Investigational Site Miami Florida 33185 —
Investigational Site Miami Lakes Florida 33014 —
Investigational Site Naples Florida 34110 —
Investigational Site Naples Florida 34113 —
Investigational Site New Port Richey Florida 34652 —
Investigational Site North Miami Beach Florida 33162 —
Investigational Site Orlando Florida 32806 —
Investigational Site Oviedo Florida 32765 —
Investigational Site Pinellas Park Florida 33781 —
Investigational Site Pinellas Park Florida 33782 —
Investigational Site Plantation Florida 33317 —
Investigational Site Port Orange Florida 32129 —
Investigational Site Sanford Florida 32771 —
Investigational Site South Miami Florida 33143 —
Investigational Site Tamarac Florida 33321 —
Investigational Site Tampa Florida 33607 —
Investigational Site Tampa Florida 33613 —
Investigational Site Wellington Florida 33414 —
Investigational Site Austell Georgia 30106 —
Investigational Site Blue Ridge Georgia 30513 —
Investigational Site Canton Georgia 30114 —
Investigational Site Columbus Georgia 31904 —
Investigational Site Johns Creek Georgia 30097 —
Investigational Site Marietta Georgia 30060 —
Investigational Site Perry Georgia 31069 —
Investigational Site Savannah Georgia 31405 —
Investigational Site Boise Idaho 83702 —
Investigational Site Meridian Idaho 83642 —
Investigational Site Bloomington Illinois 61701 —
Investigational Site Chicago Illinois 60657 —
Investigational Site Evansville Indiana 47714 —
Investigational Site Kansas City Kansas 66160 —
Investigational Site Wichita Kansas 67203 —
Investigational Site Lexington Kentucky 40504 —
Investigational Site Madisonville Kentucky 42431 —
Investigational Site Baton Rouge Louisiana 70809 —
Investigational Site Covington Louisiana 70435 —
Investigational Site Marrero Louisiana 70072 —
Investigational Site Metairie Louisiana 70006 —
Investigational Site Hollywood Maryland 20636 —
Investigational Site Fall River Massachusetts 02720 —
Investigational Site North Attleboro Massachusetts 02760 —
Investigational Site Bay City Michigan 48706 —
Investigational Site Pinconning Michigan 48650 —
Investigational Site Rochester Michigan 48307 —
Investigational Site Troy Michigan 48085 —
Investigational Site Hazelwood Missouri 63042 —
Investigational Site St Louis Missouri 63128 —
Investigational Site St Louis Missouri 63141 —
Investigational Site Las Vegas Nevada 89119 —
Investigational Site Stratford New Jersey 08084 —
Investigational Site Toms River New Jersey 08755 —
Investigational Site Voorhees Township New Jersey 08034 —
Investigational Site Albuquerque New Mexico 87106 —
Investigational Site Cedarhurst New York 11516 —
Investigational Site Great Neck New York 11023 —
Investigational Site New Windsor New York 12553 —
Investigational Site New York New York 10022 —
Investigational Site North Massapequa New York 11758 —
Investigational Site Williamsville New York 14221 —
Investigational Site Elkin North Carolina 28621 —
Investigational Site Winston-Salem North Carolina 27103 —
Investigational Site Beavercreek Ohio 45432 —
Investigational Site Cincinnati Ohio 45242 —
Investigational Site Cleveland Ohio 44122 —
Investigational Site Columbus Ohio 43210 —
Investigational Site Columbus Ohio 43214 —
Investigational Site Franklin Ohio 45005 —
Investigational Site Groveport Ohio 43125 —
Investigational Site Toledo Ohio 43623 —
Investigational Site Oklahoma City Oklahoma 73119 —
Investigational Site Altoona Pennsylvania 16602 —
Investigational Site Jenkintown Pennsylvania 19046 —
Investigational Site Johnstown Pennsylvania 15904 —
Investigational Site Philadelphia Pennsylvania 19152 —
Investigational Site Phoenixville Pennsylvania 19460 —
Investigational Site Tipton Pennsylvania 16684 —
Investigational Site Warwick Rhode Island 02886 —
Investigational Site Myrtle Beach South Carolina 29588 —
Investigational Site Spartanburg South Carolina 29303 —
Investigational Site Franklin Tennessee 37067 —
Investigational Site New Tazewell Tennessee 37825 —
Investigational Site Arlington Texas 76011 —
Investigational Site Athens Texas 75751 —
Investigational Site Austin Texas 78756 —
Investigational Site Dallas Texas 75231 —
Investigational Site Dallas Texas 75251 —
Investigational Site Houston Texas 77005 —
Investigational Site Houston Texas 77024 —
Investigational Site Houston Texas 77025 —
Investigational Site Houston Texas 77030 —
Investigational Site Houston Texas 77057 —
Investigational Site Houston Texas 77065 —
Investigational Site Houston Texas 77074 —
Investigational Site Houston Texas 77098 —
Investigational Site Humble Texas 77338 —
Investigational Site North Richland Hills Texas 76180 —
Investigational Site Plano Texas 75075 —
Investigational Site San Antonio Texas 78229 —
Investigational Site San Antonio Texas 78238 —
Investigational Site Sugar Land Texas 77478 —
Investigational Site Tomball Texas 77375 —
Investigational Site Clinton Utah 84015 —
Investigational Site Salt Lake City Utah 84102 —
Investigational Site Salt Lake City Utah 84107 —
Investigational Site West Jordan Utah 84088 —
Investigational Site Richmond Virginia 23220 —
Investigational Site Richmond Virginia 23235 —
Investigational Site Virginia Beach Virginia 23454 —

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 24 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01427270, 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 Nov 7, 2014 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01427270 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →