Overview A Pilot Study of the Mechanism of Synergism Between FP and Salmeterol in Preventing COPD Exacerbations Status: Completed Trial end date: 2009-10-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the blood and airway of subjects with mild to moderate COPD while undergoing standard treatment. Phase: Phase 1 Details Lead Sponsor: University of ChicagoCollaborator: GlaxoSmithKlineTreatments: FluticasoneSalmeterol Xinafoate