CAMBRIDGE, Mass.--(BUSINESS WIRE)--Zalicus Inc. (NASDAQ: ZLCS), a biopharmaceutical company that discovers and develops novel treatments for patients suffering from pain and immuno-inflammatory diseases, today announced that it is has initiated a Phase 1 multiple ascending dose (MAD) clinical study with Z944, its novel, oral, T-type calcium channel blocker. The initiation of this MAD study follows the successfully completed Phase 1 single ascending dose study in which Z944 was determined to be generally well-tolerated and a maximum tolerated dose was achieved. Assuming Z944 successfully completes the MAD study, Z944 could enter Phase 2 clinical development in the first quarter of 2013.