Cornerstone Therapeutics Inc. is a specialty pharmaceutical company focused on commercializing products for the hospital, respiratory and related specialty markets. The Company's promoted products include CUROSURF, ZYFLO CR, FACTIVE and SPECTRACEF. On December 30, 2011, the Company acquired Cardiokine, Inc., a specialty pharmaceutical company, focused on developing hospital products for cardiovascular indications. In March 2012, it acquired the North American product rights for FACTIVE (Gemifloxacin Mesylate) tablets. In June 2012, the Company acquired EKR Therapeutics, Inc. In February 2014, Chiesi Farmaceutici S.p.A acquired Cornerstone Therapeutics Inc.