title: Poor choice of primary outcome in a clinical trial of pirfenidone in patients with IPF.
authors.forename: Joseph
authors.initials: J
authors.lastname: Levitt
authors.forename: Michael K
authors.initials: MK
authors.lastname: Gould
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use*; D005080:Exercise Test; D006801:Humans; D010108:Oxyhemoglobins / Q000378:metabolism*; D011658:Pulmonary Fibrosis / Q000097:blood* / Q000188:drug therapy*; D011728:Pyridones / Q000627:therapeutic use*; D016896:Treatment Outcome
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D010108:Oxyhemoglobins; D011728:Pyridones; C093844:pirfenidone