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Completed Phase 3 Interventional Results available

A Study Comparing 2 Doses Of CP-690,550 Vs. Placebo For The Treatment Of Rheumatoid Arthritis In Patients On Other Background Arthritis Medications

ClinicalTrials.gov ID: NCT00856544

Public ClinicalTrials.gov record NCT00856544. 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 21, 2026, 5:27 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

Phase 3, Randomized, Double Blind, Placebo Controlled Study Of The Safety And Efficacy Of 2 Doses Of CP 690,550 In Patients With Active Rheumatoid Arthritis On Background DMARDS

Study identification

NCT ID
NCT00856544
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
795 participants

Conditions and interventions

Interventions

  • CP-690,550 Drug
  • Placebo 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
Apr 30, 2009
Primary completion
Dec 31, 2010
Completion
Dec 31, 2010
Last update posted
Jan 9, 2013

2009 – 2011

United States locations

U.S. sites
46
U.S. states
22
U.S. cities
44
Facility City State ZIP Site status
Pfizer Investigational Site Huntsville Alabama 35801
Pfizer Investigational Site Jonesboro Arkansas 72401
Pfizer Investigational Site Palo Alto California 94304
Pfizer Investigational Site Stanford California 94305
Pfizer Investigational Site Boulder Colorado 80304
Pfizer Investigational Site Denver Colorado 80206
Pfizer Investigational Site Danbury Connecticut 06810
Pfizer Investigational Site Hamden Connecticut 06518
Pfizer Investigational Site Trumbull Connecticut 06611
Pfizer Investigational Site New Port Richey Florida 34652
Pfizer Investigational Site Ocala Florida 34474
Pfizer Investigational Site Plantation Florida 33324
Pfizer Investigational Site Port Richey Florida 34668
Pfizer Investigational Site Tamarac Florida 33321
Pfizer Investigational Site Tampa Florida 33613
Pfizer Investigational Site Decatur Georgia 30033
Pfizer Investigational Site Marietta Georgia 30060
Pfizer Investigational Site Maywood Illinois 60153
Pfizer Investigational Site Oakbrook Terrace Illinois 60181
Pfizer Investigational Site Rockford Illinois 61103-3692
Pfizer Investigational Site Springfield Illinois 62702
Pfizer Investigational Site Springfield Illinois 62703
Pfizer Investigational Site Vernon Hills Illinois 60061
Pfizer Investigational Site Evansville Indiana 47714
Pfizer Investigational Site Indianapolis Indiana 46227
Pfizer Investigational Site Wichita Kansas 67203
Pfizer Investigational Site Lexington Kentucky 40505
Pfizer Investigational Site Leominster Massachusetts 01453
Pfizer Investigational Site Worcester Massachusetts 01605
Pfizer Investigational Site Edina Minnesota 55435
Pfizer Investigational Site Lincoln Nebraska 68516
Pfizer Investigational Site Albany New York 12206
Pfizer Investigational Site Orchard Park New York 14127
Pfizer Investigational Site Rochester New York 14618
Pfizer Investigational Site Asheville North Carolina 28801
Pfizer Investigational Site Charlotte North Carolina 28210
Pfizer Investigational Site Bethlehem Pennsylvania 18015
Pfizer Investigational Site Wyomissing Pennsylvania 19610
Pfizer Investigational Site Greenville South Carolina 29601
Pfizer Investigational Site Knoxville Tennessee 37909
Pfizer Investigational Site Austin Texas 78705
Pfizer Investigational Site Dallas Texas 75235
Pfizer Investigational Site Seattle Washington 98133
Pfizer Investigational Site Tacoma Washington 98405-2308
Pfizer Investigational Site Tacoma Washington 98405
Pfizer Investigational Site Clarksburg West Virginia 26301

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 87 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00856544, 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 Jan 9, 2013 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00856544 live on ClinicalTrials.gov.

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