PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines for the treatment of rare disorders. The company offers Translarna (ataluren) and Emflaza (deflazacort) for the treatment of nonsense mutation Duchenne muscular dystrophy in ambulatory patients. It is developing Translarna, which is in Phase 2 clinical study for the treatment of nonsense mutation aniridia and nonsense mutation Dravet syndrome/CDKL5; and RG7916 and RO7034067 for the treatment of patients with spinal muscular atrophy, as well as PTC596 and PTC299, a small molecule dihydrooratate dehydrogenase (DHODH) inhibitor that inhibits de novo pyrimidine nucleotide synthesis, which is in Phase 1 clinical development stage to treat cancer patients. The company is also developing gene therapy product candidate that include PTC-AADC for the treatment of Aromatic L-amino acid decarboxylase deficiency. It has collaborations with F. Hoffman-La Roche Ltd and Hoffma