A Randomized, Double-blind, Placebo-controlled Clinical Study of the Oral IL-12/23 Inhibitor, STA-5326Mesylate, Administered to Patients With Rheumatoid Arthritis to Determine Safety, Tolerability, Pharmacokinetic and Synovial Tissue Outcomes A Randomized, Double-blind, Placebo-controlled Clinical Study of the Oral IL-12/23 Inhibitor, STA-53 ...