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Completed Phase 3 Interventional Results available

A 2-Year Phase 3 Study Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate

ClinicalTrials.gov ID: NCT00847613

Public ClinicalTrials.gov record NCT00847613. 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 Apr 30, 2026, 4:38 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 Efficacy And Safety Of 2 Doses Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate

Study identification

NCT ID
NCT00847613
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
800 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
Feb 28, 2009
Primary completion
Mar 31, 2011
Completion
Jan 31, 2012
Last update posted
May 15, 2024

2009 – 2012

United States locations

U.S. sites
37
U.S. states
22
U.S. cities
35
Facility City State ZIP Site status
Pfizer Investigational Site Huntsville Alabama 35801
Pfizer Investigational Site Tucson Arizona 85704
Pfizer Investigational Site San Diego California 92108
Pfizer Investigational Site Santa Maria California 93454
Pfizer Investigational Site Colorado Springs Colorado 80910
Pfizer Investigational Site Gainesville Florida 32607
Pfizer Investigational Site Jacksonville Florida 32216
Pfizer Investigational Site Sarasota Florida 34239
Pfizer Investigational Site Tampa Florida 33614
Pfizer Investigational Site Zephyrhills Florida 33542
Pfizer Investigational Site Morton Grove Illinois 60053
Pfizer Investigational Site Dubuque Iowa 52002
Pfizer Investigational Site Lexington Kentucky 40536
Pfizer Investigational Site Baltimore Maryland 21224-6821
Pfizer Investigational Site Wheaton Maryland 20902
Pfizer Investigational Site Worcester Massachusetts 01605
Pfizer Investigational Site Bingham Farms Michigan 48025
Pfizer Investigational Site Kalamazoo Michigan 49048
Pfizer Investigational Site Edina Minnesota 55435
Pfizer Investigational Site Columbia Missouri 65203
Pfizer Investigational Site Columbia Missouri 65212
Pfizer Investigational Site Lee's Summit Missouri 64086
Pfizer Investigational Site Omaha Nebraska 68114
Pfizer Investigational Site Omaha Nebraska 68134
Pfizer Investigational Site Albany New York 12206
Pfizer Investigational Site Binghamton New York 13905
Pfizer Investigational Site Syracuse New York 13210
Pfizer Investigational Site Dayton Ohio 45417
Pfizer Investigational Site Pittsburgh Pennsylvania 15213
Pfizer Investigational Site Wyomissing Pennsylvania 19610
Pfizer Investigational Site Greenville South Carolina 29601
Pfizer Investigational Site Knoxville Tennessee 37909-1900
Pfizer Investigational Site Dallas Texas 75231
Pfizer Investigational Site Houston Texas 77074
Pfizer Investigational Site San Antonio Texas 78217
Pfizer Investigational Site Clarksburg West Virginia 26301
Pfizer Investigational Site Franklin Wisconsin 53132

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 78 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00847613, 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 15, 2024 · Synced Apr 30, 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 NCT00847613 live on ClinicalTrials.gov.

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