MARLBOROUGH, Mass.--(BUSINESS WIRE)--Sepracor (Nasdaq: SEPR) today announced the presentation of Phase III study data for ALVESCO® (ciclesonide) HFA Inhalation Aerosol and Phase I data for a ciclesonide HFA MDI nasal aerosol formulation for the treatment of allergic rhinitis. These results were presented at the Annual Meeting of the American College of Allergy, Asthma & Immunology (ACAAI) in Seattle.