InterMune, Inc. (InterMune) is a biotechnology company focused on the research, development and commercialization of therapies in pulmonology and orphan fibrotic diseases. Pulmonology is the field of medicine concerned with the diagnosis and treatment of lung conditions. The Company has a product in pulmonology, pirfenidone, which is an orally active, small molecule compound. On January 2, 2013, the Company began the commercial launch of Esbriet in Canada. IPF is a disease characterized by progressive scarring, or fibrosis, of the lungs, which leads to their deterioration and destruction. The cause of IPF is unknown. The prognosis is poor for patients with IPF, which occurs primarily in persons 40 to 70 years old with a median survival time from diagnosis of two to five years. Pirfenidone in Japan is sold by Shionogi under the brand name Pirespa. Pirfenidone in India is sold by Cipla Ltd. under the brand name Pirfenex, and in China is sold by Shanghai Genomics.