PTC Therapeutics, Inc. is a biopharmaceutical company, which focuses on the discovery, development, and commercialization of clinically differentiated medicines that provide benefits to patients with rare disorders. The company is headquartered in Warren, New Jersey and currently employs 939 full-time employees. The company went IPO on 2013-06-20. The firm is focused on the discovery, development, and commercialization of clinically differentiated medicines that provide benefits to children and adults living with rare disorders. Its diversified therapeutic portfolio includes several commercial products and product candidates in various stages of development, including discovery, research and clinical stages, focused on the development of new treatments for multiple therapeutic areas for rare diseases relating to neurology and metabolism. The company has two products, Translarna (ataluren) and Emflaza (deflazacort), for the treatment of Duchenne muscular dystrophy (DMD) a rare, life-threatening disorder. Its Upstaza, a gene therapy for the treatment of Aromatic L-Amino Decarboxylase (AADC) deficiency, a rare central nervous system (CNS) disorder. Its Tegsedi and Waylivra are for the treatment of rare diseases. Its Evrysdi, a treatment for spinal muscular atrophy (SMA).