BERKELEY, Calif., Jan. 6, 2011 (GLOBE NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of therapeutic antibodies, today announced that it has conducted an interim review of three-month data from a Phase 2a clinical trial of XOMA 052 in a small group of 74 patients with Type 2 diabetes focused on evaluating safety where XOMA 052 was shown to be well-tolerated, the primary goal of the study. This Phase 2a trial was designed as an exploratory trial focused on overall safety and kinetics and was not designed to show statistically significant differences in measures of biological activity.