{"nct_id":"NCT01754935","title":"A Magnetic Resonance Imaging Study and Arthroscopic Biopsy Substudy in Subjects With Active Rheumatoid Arthritis Receiving VX-509, an Oral JAK3 Inhibitor","status":"COMPLETED","status_verified_date":"2015-04","start_date":"2013-01","start_date_type":null,"primary_completion_date":"2014-01","primary_completion_date_type":"ACTUAL","completion_date":"2014-02","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["VRTX"]}