Immunomedics announces presentation of epratuzumab data Immunomedics announced that scientific data on epratuzumab, an investigational therapy for the treatment of systemic lupus erythematosus, also known as lupus, will be presented at the European League Against Rheumatism 2014 Annual Congress to be held in Paris, France. Epratuzumab is an investigational medicine in Phase III clinical development for the treatment of SLE. Epratuzumab is a monoclonal antibody that targets CD22. Epratuzumab is not approved for the treatment of SLE by any regulatory authority worldwide. Immunomedics has granted UCB exclusive worldwide rights to develop, market, and sell epratuzumab for all autoimmune disease indications.