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