ATLANTA, Dec. 11, 2012 (GLOBE NEWSWIRE) -- Immunomedics, Inc. (Nasdaq:IMMU), a biopharmaceutical company primarily focused on the development of monoclonal antibody-based products for the targeted treatment of cancer, autoimmune and other serious diseases, today announced that subcutaneous administration of veltuzumab, as a single agent, demonstrated promising activity in patients with relapsed immune thrombocytopenia (ITP), even in more heavily treated patients with the chronic disease, and in patients with chronic lymphocytic leukemia (CLL).