Comparing The Effectiveness And Safety Of 2 Doses Of An Experimental Drug, CP-690,550, To Methotrexate (MTX) In Patients With Rheumatoid Arthritis Who Have Not Previously Received MTX
Condition: Arthritis, Rheumatoid Interventions: Drug: CP-690,550; Drug: CP-690,550; Drug: Disease-modifying antirheumatic drug Sponsor: Pfizer Recruiting - verified July 2011