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

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

ClinicalTrials.gov ID: NCT00662558

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.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:50 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 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

Brief summary

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

To compare the analgesic effectiveness of celecoxib and tramadol in subjects with Chronic Low Back Pain measured by the Numerical Rating Scale (NRS-Pain) at Week 6

Study identification

NCT ID
NCT00662558
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
802 participants

Conditions and interventions

Conditions

Interventions

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
Jan 2008 (Type not available)
Primary completion
Sep 2008 (Actual)
Completion
Sep 2008 (Actual)
Last update posted
Feb 21, 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 21, 2021 · Synced Oct 20, 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 NCT00662558 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →