Copenhagen, 6th June 2007 - Santaris Pharma, the Danish biopharmaceutical company, announced today that SPC2996, the Company’s new RNA Antagonist of Bcl-2, has shown early evidence of efficacy in an initial Phase I/II clinical study in Chronic Lymphocytic Leukaemia (CLL). The results of the study were reported this week at the 2007 Annual Meeting of the American Society of Clinical Oncology, held in Chicago, Illinois.