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Completed Phase 3 Interventional Results available

A Study of Embeda (Kadian NT, ALO-01) in Subjects With Pain Due to Osteoarthritis of the Hip or Knee

ClinicalTrials.gov ID: NCT00420992

Public ClinicalTrials.gov record NCT00420992. 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 26, 2026, 1:46 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 Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Efficacy Study of Kadian NT (Morphine Sulfate Plus Naltrexone Hydrochloride Extended-Release) Capsules in Subjects With Moderate to Severe Chronic Pain Due to Osteoarthritis of the Hip or Knee

Brief summary

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

The purpose of this study is to evaluate the efficacy of Kadian NT (ALO-01) compared with placebo for treating moderate to severe chronic pain over a 12 week period.

Study identification

NCT ID
NCT00420992
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
547 participants

Conditions and interventions

Eligibility (public fields only)

Age range
21 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
Dec 2006 (Type not available)
Primary completion
Nov 2007 (Actual)
Completion
Nov 2007 (Actual)
Last update posted
Sep 20, 2013

2006 – 2007

United States locations

U.S. sites
81
U.S. states
26
U.S. cities
72
Facility City State ZIP Site status
The Birmingham Pain Center Birmingham Alabama 35244 —
Horizon Research Group Mobile Alabama 36608 —
Arizona Center for Clinical Research Peoria Arizona 85383 —
Arizona Research Center, Inc Phoenix Arizona 85023 —
Premiere Pharmaceutical Research, LLC Tempe Arizona 85282 —
Advanced Clinical Research Institute Anaheim California 92801 —
Orange County Clinical Trials Anaheim California 92801 —
STAT-CARE / Crest Clinical Trials Anaheim California 92804 —
Southbay Pharma Research Buena Park California 90620 —
Providence Clinical Res. (C-trials) Burbank California 91505 —
Med Investigators Inc Fair Oaks California 95628 —
Quality of Life Medical Center, LLC Hawaiian Gardens California 90716 —
NervePro Research Irvine California 92618 —
UCSD Pain and Palliative Care La Jolla California 92093 —
USCD Pain and Palliative Care La Jolla California 92093 —
Private Practice Pico Rivera California 90660 —
Pain Institute of Santa Monica Santa Monica California 90404 —
Boling Clinical Trials Upland California 91786 —
Mountain View Clinical Research, Inc Denver Colorado 80209 —
Stamford Therapeutics Consortium Stamford Connecticut 06905 —
New England Research Associates, LLC Trumbull Connecticut 06611 —
MD Clinical Hallandale Florida 33009 —
Eastern Research Hialeah Florida 33013 —
Florida Institute of Medical Research Jacksonville Florida 32257 —
Drug Study Institiute Jupiter Florida 33458 —
FPA Clinical Research Kissimmee Florida 34741 —
Innovative Research of West Florida Largo Florida 33770 —
Pharmaceutical Research Associates Inc Merritt Island Florida 32953 —
Ormond Medical Arts - Pharmaceutical Research Center Ormond Beach Florida 32174 —
University Clinical Research, Inc Pembroke Pines Florida 33024 —
Coastal Medical Research Port Orange Florida 32127 —
Stedman Clinical Trials Tampa Florida 33613 —
Gold Coast Research LLC Weston Florida 33331 —
River Birch Research Alliance Blue Ridge Georgia 30513 —
Best Clinical Research Decatur Georgia 30034 —
Non-Surgical Orthopaedic and Spine Center Marietta Georgia 30060 —
Drug Studies America Marietta Georgia 30066 —
Northwest Clinical Trials Boise Idaho 83704 —
Research Associates of Central Illinois Peoria Illinois 61614 —
MediSphere Medical Research Center, LLC Evansville Indiana 47714 —
Welborn Clinic Newburgh Indiana 47630 —
International Clinical Research Institute, Inc Overland Park Kansas 66211 —
Clinical Trials Management, LLC Mandeville Louisiana 70471 —
Lousiana Research Associates Inc. New Orleans Louisiana 70114 —
Internal Research Center Towson Maryland 21286 —
Phase III Clinical Research Fall River Massachusetts 02720 —
Northeast Medical Research Associates, Inc No Dartmouth Massachusetts 02747 —
FutureCare Studies Springfield Massachusetts 01107 —
Synergy Medical Education Alliance Saginaw Michigan 48602 —
Medex Healthcare Research Inc St Louis Missouri 63117 —
Lovelace Scientific Henderson Nevada 89014 —
Advanced Biomedical Research of America Las Vegas Nevada 89123 —
Partners in Primary Care Voorhees Township New Jersey 08043 —
Elkind Headache Center Mount Vernon New York 10550 —
The Arthritis Clinic and Carolina Bone and Joint Charlotte North Carolina 28210 —
The Center for Clinical Research, LLC Winston-Salem North Carolina 27103 —
Community Research Cincinnati Ohio 45227 —
Community Research Cincinnati Ohio 45245 —
Clinical Research Source, Inc Toledo Ohio 43551 —
COR Clinical Research Oklahoma City Oklahoma 73103 —
Health Research Institute Oklahoma City Oklahoma 73109 —
Cutting Edge Research Oklahoma City Oklahoma 73116 —
Tulsa Clinical Research Tulsa Oklahoma 74101 —
LVH Neurosciences and Pain Research Allentown Pennsylvania 18103 —
Pennsylvania Research Institute Bensalem Pennsylvania 19020 —
Altoona Center for Clinical Research Duncansville Pennsylvania 16635 —
Commonwealth Primary Care / Fleetwood Clinical Research Fleetwood Pennsylvania 19522 —
Pivotal Clinical Research, LLC Souderton Pennsylvania 18964 —
Tipton Medical and Diagnostic Center Tipton Pennsylvania 16684 —
Premier Medical Group Clarksville Tennessee 37043 —
SCRI Cordova Tennessee 38018 —
Comprehensive Pain Specialists Hendersonville Tennessee 37075 —
SCRI Memphis Tennessee 38119 —
Integrity Clinical Research, LLC Milan Tennessee 38358 —
Walter F. Chase, MD, PA Austin Texas 78705 —
InSite Clinical Research DeSoto Texas 75115 —
Team Research of Central Texas Killeen Texas 76543 —
Radiant Research, San Antonio Northeast San Antonio Texas 78217 —
North San Antonio Healthcare Associates San Antonio Texas 78218 —
Progressive Clinical Research San Antonio Texas 78229 —
HypotheTest, LLC Roanoke Virginia 24018 —

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 NCT00420992, 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 20, 2013 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00420992 live on ClinicalTrials.gov.

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