{"nct_id":"NCT00976599","title":"A Study To Evaluate The Mechanism Of Action Of CP-690,550 In Patients With Rheumatoid Arthritis","status":"COMPLETED","status_verified_date":"2012-12","start_date":"2009-11","start_date_type":null,"primary_completion_date":"2011-07","primary_completion_date_type":"ACTUAL","completion_date":"2011-07","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["PFE"]}