Type of Study:

Interventional

Study Design:

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Outcome Measure:

Percentage of Participants Achieving American College of Rheumatology 20% (ACR20) Response at Month 3

Outcome Description:

ACR20 response: greater than or equal to (>=) 20 percent (%) improvement in tender joints count (TJC); >= 20% improvement in swollen joints count (SJC); and >= 20% improvement in at least 3 of 5 remaining ACR core measures: participant assessment of pain; participant global assessment of disease activity; physician global assessment of disease activity; self-assessed disability (disability index of the Health Assessment Questionnaire [HAQ]); and C-Reactive Protein (CRP). For comparison of CP-690,550 with placebo, placebo sequences were combined into single reporting group for Month 3 analysis.

Outcome Time Frame:

Month 3

Safety Issue:

No

Principal Investigator

Pfizer CT.gov Call Center

Investigator Role:

Study Director

Investigator Affiliation:

Pfizer

Authority:

United States: Food and Drug Administration

Study ID:

A3921032

NCT ID:

NCT00960440

Start Date:

October 2009

Completion Date:

March 2011

Related Keywords:

• Arthritis, Rheumatoid
• randomized double-blind placebo-controlled investigational drug oral therapy safety and efficacy
• Arthritis
• Arthritis, Rheumatoid