A Six Week Study Of The Pain Relieving Effects Of Celecoxib 200 Mg Twice Daily Compared To Tramadol 50 Mg Four Times Daily In Patients With Chronic Low Back Pain
Public ClinicalTrials.gov record NCT00662558. 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
A Six Week Double-Blind, Randomized, Multicenter Comparison Study Of The Analgesic Effectiveness Of Celecoxib 200 Mg BID Compared To Tramadol Hydrochloride 50 Mg QID In Subjects With Chronic Low Back Pain
Study identification
- NCT ID
- NCT00662558
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Enrollment
- 802 participants
Conditions and interventions
Conditions
Interventions
- celecoxib Drug
- tramadol HCL 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
- Dec 31, 2007
- Primary completion
- Aug 31, 2008
- Completion
- Aug 31, 2008
- Last update posted
- Feb 20, 2021
2008
United States locations
- U.S. sites
- 60
- U.S. states
- 23
- U.S. cities
- 52
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Birmingham | Alabama | 35126 | — |
| Pfizer Investigational Site | Birmingham | Alabama | 35235 | — |
| Pfizer Investigational Site | Birmingham | Alabama | 35242 | — |
| Pfizer Investigational Site | Phoenix | Arizona | 85023 | — |
| Pfizer Investigational Site | Little Rock | Arkansas | 72205 | — |
| Pfizer Investigational Site | Anaheim | California | 92801 | — |
| Pfizer Investigational Site | Long Beach | California | 90806 | — |
| Pfizer Investigational Site | Oceanside | California | 92056 | — |
| Pfizer Investigational Site | Sacramento | California | 95823 | — |
| Pfizer Investigational Site | Sacramento | California | 95825 | — |
| Pfizer Investigational Site | Wildomar | California | 92595 | — |
| Pfizer Investigational Site | Boulder | Colorado | 80304 | — |
| Pfizer Investigational Site | Colorado Springs | Colorado | 80904 | — |
| Pfizer Investigational Site | Denver | Colorado | 80220 | — |
| Pfizer Investigational Site | Cos Cob | Connecticut | 06807 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32216 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32257 | — |
| Pfizer Investigational Site | Pinellas Park | Florida | 33781 | — |
| Pfizer Investigational Site | West Palm Beach | Florida | 33409 | — |
| Pfizer Investigational Site | Woodstock | Georgia | 30189 | — |
| Pfizer Investigational Site | Wichita | Kansas | 67206 | — |
| Pfizer Investigational Site | Wichita | Kansas | 67214 | — |
| Pfizer Investigational Site | Baton Rouge | Louisiana | 70809 | — |
| Pfizer Investigational Site | Baltimore | Maryland | 21218 | — |
| Pfizer Investigational Site | Columbia | Maryland | 21045 | — |
| Pfizer Investigational Site | Rockville | Maryland | 20852 | — |
| Pfizer Investigational Site | Wheaton | Maryland | 20902 | — |
| Pfizer Investigational Site | Saint Paul | Minnesota | 55108 | — |
| Pfizer Investigational Site | Jackson | Mississippi | 39202 | — |
| Pfizer Investigational Site | Springfield | Missouri | 65807 | — |
| Pfizer Investigational Site | St Louis | Missouri | 63141 | — |
| Pfizer Investigational Site | Omaha | Nebraska | 68134 | — |
| Pfizer Investigational Site | New Windsor | New York | 12553 | — |
| Pfizer Investigational Site | New York | New York | 10022-1009 | — |
| Pfizer Investigational Site | Rochester | New York | 14618 | — |
| Pfizer Investigational Site | Williamsville | New York | 14221 | — |
| Pfizer Investigational Site | Portland | Oregon | 97219 | — |
| Pfizer Investigational Site | Bridgeville | Pennsylvania | 15017 | — |
| Pfizer Investigational Site | Camp Hill | Pennsylvania | 17011 | — |
| Pfizer Investigational Site | Columbia | South Carolina | 29204 | — |
| Pfizer Investigational Site | North Charleston | South Carolina | 29406 | — |
| Pfizer Investigational Site | Bristol | Tennessee | 37620 | — |
| Pfizer Investigational Site | Collierville | Tennessee | 38017 | — |
| Pfizer Investigational Site | Johnson City | Tennessee | 37601 | — |
| Pfizer Investigational Site | Kingsport | Tennessee | 37660 | — |
| Pfizer Investigational Site | New Tazewell | Tennessee | 37825 | — |
| Pfizer Investigational Site | Austin | Texas | 78705 | — |
| Pfizer Investigational Site | Beaumont | Texas | 77701 | — |
| Pfizer Investigational Site | Beaumont | Texas | 77706 | — |
| Pfizer Investigational Site | Dallas | Texas | 75230 | — |
| Pfizer Investigational Site | Dallas | Texas | 75240 | — |
| Pfizer Investigational Site | Grapevine | Texas | 76051 | — |
| Pfizer Investigational Site | Houston | Texas | 77074 | — |
| Pfizer Investigational Site | Lake Jackson | Texas | 77566 | — |
| Pfizer Investigational Site | San Angelo | Texas | 76904 | — |
| Pfizer Investigational Site | San Antonio | Texas | 78217 | — |
| Pfizer Investigational Site | San Antonio | Texas | 78229 | — |
| Pfizer Investigational Site | Salt Lake City | Utah | 84107 | — |
| Pfizer Investigational Site | Richmond | Virginia | 23294 | — |
| Pfizer Investigational Site | Weber City | Virginia | 24290 | — |
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 NCT00662558, 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 Feb 20, 2021 · Synced Jun 26, 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 NCT00662558 live on ClinicalTrials.gov.