Epirus Biopharmaceuticals, Inc. and Zalicus Inc. announced that they have entered into a definitive agreement under which Epirus will merge with a wholly-owned subsidiary of Zalicus in an all-stock transaction. Following closing, Zalicus will be re-named Epirus Biopharmaceuticals, Inc., and will operate under the leadership of the Epirus management team with Amit Munshi serving as the president and chief executive officer. In addition, Dr. Mark H.N. Corrigan will serve as chairman of the company's board of directors, which will have representatives from both the existing Epirus and Zalicus boards.