BERKELEY, Calif., July 29, 2010 (GLOBE NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of therapeutic antibodies, announced that the Committee for Orphan Medical Products of the European Medicines Agency (EMA) has adopted a positive opinion and recommends the granting of orphan medicinal product designation for XOMA 052, an antibody to interleukin-1 beta, for the treatment of Behcet's disease. Positive opinions are submitted to the European Commission for decision and are generally adopted within 30 days of receipt.