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Completed Phase 2 Interventional Results available

Comparison Of 6 CP-690,550 Doses Vs.Placebo, Each Combined With Methotrexate, For The Treatment Of Rheumatoid Arthritis

ClinicalTrials.gov ID: NCT00413660

Public ClinicalTrials.gov record NCT00413660. 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, 8:53 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 Phase 2B, Randomized, Double Blind, Placebo-Controlled, Multicenter Study To Compare 6 Dose Regimens Of CP-690,550 Vs. Placebo, Each Combined With Methotrexate, Administered For 6 Months In The Treatment Of Subjects With Active Rheumatoid Arthritis Who Have Had An Inadequate Response To Methotrexate Alone

Brief summary

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

The purpose of this study is to determine the effectiveness and safety, over 6 months, of 6 dose regimens of CP-690,550, combined with methotrexate, for the treatment of adults with active rheumatoid arthritis.

Study identification

NCT ID
NCT00413660
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
509 participants

Conditions and interventions

Interventions

Drug · Other

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 2007 (Type not available)
Primary completion
Aug 2008 (Actual)
Completion
Aug 2008 (Actual)
Last update posted
Jan 18, 2013

2007 – 2008

United States locations

U.S. sites
33
U.S. states
18
U.S. cities
29
Facility City State ZIP Site status
Pfizer Investigational Site Gilbert Arizona 85234 —
Pfizer Investigational Site Hot Springs Arkansas 71913 —
Pfizer Investigational Site Upland California 91786 —
Pfizer Investigational Site Denver Colorado 80204 —
Pfizer Investigational Site Newark Delaware 19713 —
Pfizer Investigational Site DeBary Florida 32713 —
Pfizer Investigational Site Lake Mary Florida 32746 —
Pfizer Investigational Site Ocala Florida 34474 —
Pfizer Investigational Site Orlando Florida 32804 —
Pfizer Investigational Site Tampa Florida 33614 —
Pfizer Investigational Site Zephyrhills Florida 33540 —
Pfizer Investigational Site Rockford Illinois 61103-3692 —
Pfizer Investigational Site Rockford Illinois 61107 —
Pfizer Investigational Site Dubuque Iowa 52002 —
Pfizer Investigational Site Frederick Maryland 21702 —
Pfizer Investigational Site Boston Massachusetts 02115 —
Pfizer Investigational Site Albany New York 12206-1043 —
Pfizer Investigational Site Binghamton New York 13905 —
Pfizer Investigational Site Charlotte North Carolina 28210 —
Pfizer Investigational Site Raleigh North Carolina 27609 —
Pfizer Investigational Site Dayton Ohio 45402 —
Pfizer Investigational Site Philladelphia Pennsylvania 19118 —
Pfizer Investigational Site West Reading Pennsylvania 19611-1124 —
Pfizer Investigational Site Greenville South Carolina 29601 —
Pfizer Investigational Site Austin Texas 78705 —
Pfizer Investigational Site Dallas Texas 75231 —
Pfizer Investigational Site Dallas Texas 75235 —
Pfizer Investigational Site Mesquite Texas 75150 —
Pfizer Investigational Site Seattle Washington 98104 —
Pfizer Investigational Site Seattle Washington 98122 —
Pfizer Investigational Site Tacoma Washington 98405-2308 —
Pfizer Investigational Site Tacoma Washington 98405 —
Pfizer Investigational Site Onalaska Wisconsin 54650 —

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 49 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00413660, 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 18, 2013 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00413660 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →