ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

RN624 In Adult Patients With Chronic Low Back Pain

ClinicalTrials.gov ID: NCT00584870

Public ClinicalTrials.gov record NCT00584870. 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 May 20, 2026, 8:57 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

PHASE II RANDOMIZED, DOUBLE-BLIND, PLACEBO-AND ACTIVE CONTROLLED, MULTICENTER, PARALLEL GROUP PROOF OF CONCEPT STUDY OF THE ANALGESIC EFFECTS OF RN624 IN ADULT PATIENTS WITH CHRONIC LOW BACK PAIN

Study identification

NCT ID
NCT00584870
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
220 participants

Conditions and interventions

Conditions

Interventions

  • Naproxen Drug
  • PF-04383119 (RN624) Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 90 Years
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
Jul 4, 2007
Primary completion
Sep 1, 2008
Completion
Sep 1, 2008
Last update posted
Jul 11, 2021

2007 – 2008

United States locations

U.S. sites
38
U.S. states
19
U.S. cities
33
Facility City State ZIP Site status
Pinnacle Research Group LLC Anniston Alabama 36207
Radiant Research Birmingham Alabama 35209
Radiant Research - Phoenix Southeast Chandler Arizona 85225
Radiant Research Scottsdale Arizona 85251
Advanced Clinical Research Institute Anaheim California 92801
University of California San Diego San Diego California 92121
Doctors Medical Center of Walton County DeFuniak Springs Florida 32435
SJS Clinical Research, Inc. Destin Florida 32541
Adult Medicine Specialists Longwood Florida 32779
Genesis Research International Longwood Florida 32779
Collier Neurologic Specialists Naples Florida 34102
Cotton-O'Neil Clinical Research Topeka Kansas 66606
Cotton-O'Neil Clinic Topeka Kansas 66606
Heartland Research Associates Wichita Kansas 67207
Northeast Medical Research Associates, Inc North Dartmouth Massachusetts 02747
Clinical Pharmacology Study Group Worcester Massachusetts 01610
Spence Medical Research Picayune Mississippi 39466
Radiant Research, Inc. St Louis Missouri 63141
Quality Clinical Research, Inc. Omaha Nebraska 68114
The Medical Research Network, LLC New York New York 10024
North State Clinical Research, PLLC Lenoir North Carolina 28645
Wake Internal Medicine Consultants, Inc. Raleigh North Carolina 27612
Wake Research Associates Raleigh North Carolina 27612
Summit Research Network (Oregon), Inc. Portland Oregon 97210
Allegheny Pain Management Altoona Pennsylvania 16602
New England Center for Clinical Research Cranston Rhode Island 02920
Partners in Clinical Research Cumberland Rhode Island 02864
Omega Medical Research Warwick Rhode Island 02886
Radiant Research Greer South Carolina 29651
Advanced Therapeutics, Inc. Johnson City Tennessee 37601
Johnson City Internal Medicine Johnson City Tennessee 37601
DiscoveResearch, Incorporated Bryan Texas 77802
Advances In Health, Inc. Houston Texas 77030
Centex Research Nassau Bay Texas 77058
Immediate Medical Care Nassau Bay Texas 77058
Radiant Research San Antonio San Antonio Texas 78229
Independence Family Medicine Virginia Beach Virginia 23455
Summit Research Network (Seattle) LLC Seattle Washington 98104

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 NCT00584870, 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 Jul 11, 2021 · Synced May 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 protocol, eligibility criteria, and contact information for NCT00584870 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →