DURHAM, N.C.--(BUSINESS WIRE)--Inspire Pharmaceuticals, Inc. (NASDAQ: ISPH) and FAES Farma, S.A. have amended their licensing agreement for the U.S. and Canadian development and commercialization of oral bilastine for the treatment of allergic rhinitis, based on a meeting with the Pulmonary Division of the U.S. Food and Drug Administration (FDA) in which the existing clinical data and recent QT/QTc trial results were discussed.