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ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

An Open-label Extension Study With Flexible Dosing of Extended-release (ER) Tapentadol (CG5503) to Treat Patients With Moderate to Severe Chronic Pain

ClinicalTrials.gov ID: NCT00487435

Public ClinicalTrials.gov record NCT00487435. 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, 4:55 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

Open-Label Extension, Single-Arm, Flexible-Dosing, Phase 3 Trial With CG5503 Extended-Release (ER) in Patients With Moderate to Severe Chronic Pain

Study identification

NCT ID
NCT00487435
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Enrollment
1,166 participants

Conditions and interventions

Interventions

  • Tapentadol (CG5503) Extended Release (ER) 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
May 31, 2007
Primary completion
May 31, 2009
Completion
May 31, 2009
Last update posted
May 8, 2014

2007 – 2009

United States locations

U.S. sites
118
U.S. states
36
U.S. cities
118
Facility City State ZIP Site status
Not listed Birmingham Alabama
Not listed Hoover Alabama
Not listed Mobile Alabama
Not listed Mesa Arizona
Not listed Phoenix Arizona
Not listed Tempe Arizona
Not listed Tucson Arizona
Not listed Jonesboro Arkansas
Not listed Little Rock Arkansas
Not listed Anaheim California
Not listed Carmichael California
Not listed Encinitas California
Not listed Fresno California
Not listed Huntington Park California
Not listed Laguna Hills California
Not listed Los Gatos California
Not listed Pico Rivera California
Not listed Pismo Beach California
Not listed Sacramento California
Not listed San Diego California
Not listed Upland California
Not listed Westlake Village California
Not listed Stamford Connecticut
Not listed Trumbull Connecticut
Not listed Chiefland Florida
Not listed Clearwater Florida
Not listed Fort Myers Florida
Not listed Hallandale Florida
Not listed Hollywood Florida
Not listed Jacksonville Florida
Not listed Kissimmee Florida
Not listed Miami Florida
Not listed New Port Richey Florida
Not listed Oldsmar Florida
Not listed Pembroke Pines Florida
Not listed Plantation Florida
Not listed Port Orange Florida
Not listed Sarasota Florida
Not listed Tamarac Florida
Not listed Tampa Florida
Not listed Athens Georgia
Not listed Augusta Georgia
Not listed Decatur Georgia
Not listed Marietta Georgia
Not listed Perry Georgia
Not listed Suwanee Georgia
Not listed Woodstock Georgia
Not listed Honolulu Hawaii
Not listed Boise Idaho
Not listed Meridian Idaho
Not listed Chicago Illinois
Not listed Avon Indiana
Not listed Evansville Indiana
Not listed Indianapolis Indiana
Not listed Valparaiso Indiana
Not listed West Des Moines Iowa
Not listed Overland Park Kansas
Not listed Prairie Village Kansas
Not listed Topeka Kansas
Not listed Madisonville Kentucky
Not listed Baton Rouge Louisiana
Not listed Lake Charles Louisiana
Not listed Mandeville Louisiana
Not listed Metairie Louisiana
Not listed New Orleans Louisiana
Not listed Columbia Maryland
Not listed Owings Mills Maryland
Not listed Rockville Maryland
Not listed Boston Massachusetts
Not listed Brighton Massachusetts
Not listed Fall River Massachusetts
Not listed North Dartmouth Massachusetts
Not listed Wellesley Hills Massachusetts
Not listed West Yarmouth Massachusetts
Not listed East Lansing Michigan
Not listed Grand Blanc Michigan
Not listed Kalamazoo Michigan
Not listed Troy Michigan
Not listed St Louis Missouri
Not listed Omaha Nebraska
Not listed Cherry Hill New Jersey
Not listed Albuquerque New Mexico
Not listed Mamaroneck New York
Not listed New York New York
Not listed Williamsville New York
Not listed Greensboro North Carolina
Not listed Raleigh North Carolina
Not listed Winston-Salem North Carolina
Not listed Cincinnati Ohio
Not listed Kettering Ohio
Not listed Toledo Ohio
Not listed Oklahoma City Oklahoma
Not listed Medford Oregon
Not listed Allentown Pennsylvania
Not listed Chester Pennsylvania
Not listed Duncansville Pennsylvania
Not listed Morrisville Pennsylvania
Not listed Philadelphia Pennsylvania
Not listed Greenville South Carolina
Not listed Prosperity South Carolina
Not listed Sioux Falls South Dakota
Not listed Clarksville Tennessee
Not listed Nashville Tennessee
Not listed Amarillo Texas
Not listed Austin Texas
Not listed Dallas Texas
Not listed Houston Texas
Not listed Hurst Texas
Not listed Lubbock Texas
Not listed Odessa Texas
Not listed San Antonio Texas
Not listed Salt Lake City Utah
Not listed Danville Virginia
Not listed Roanoke Virginia
Not listed Virginia Beach Virginia
Not listed Bellevue Washington
Not listed Tacoma Washington
Not listed Milwaukee Wisconsin

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 30 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00487435, 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 May 8, 2014 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT00487435 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →