Cempra, Inc., a clinical-stage pharmaceutical company, focuses on developing antibiotics to meet medical needs in the treatment of bacterial infectious diseases in North America. Its lead product candidates include solithromycin (CEM-101), which is in Phase III clinical trials for the treatment of community acquired bacterial pneumonia, as well as for uncomplicated bacterial urethritis; and Taksta (CEM-102), an antibiotic that has completed Phase II clinical trials for refractory bone and joint infections. The company also produces novel macrolides for non-antibiotic uses, such as the treatment of chronic inflammatory diseases, endocrine diseases, and gastric motility disorders. It has collaborative research and development and license agreement with Optimer Pharmaceuticals, Inc. The company was formerly known as Cempra Holdings, LLC and changed its name to Cempra, Inc. in February 2012. Cempra, Inc. was founded in 2005 and is headquartered in Chapel Hill, North Carolina.