ROME, June 16, 2010 (GLOBE NEWSWIRE) -- UCB (EURONEXT:UCB) and Immunomedics Inc. (Nasdaq:IMMU) announced new lupus drug candidate, epratuzumab, provided a significant reduction in disease activity in patients with moderate to severe active systemic lupus erythematosus (SLE). Data presented at the European League Against Rheumatism (EULAR) meeting in Rome from the phase IIb study, EMBLEM™, showed the clinical efficacy of epratuzumab in patients with SLE.