InterMune Tweaks Design for Confirmatory Esbriet IPF Study

Executives of Brisbane, Calif.-based InterMune Inc. disclosed details for the upcoming confirmatory trial needed for U.S. approval of idiopathic pulmonary fibrosis (IPF) drug Esbriet (pirfenidone) and told analysts Thursday that they believe some fine-tuning to the trial design could help the drug finally clear the FDA.