Overview Assessment of Arformoterol for Chronic Obstructive Pulmonary Disease (COPD) Using Hyperpolarized 3He MRI Status: Completed Trial end date: 2011-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine efficacy of MR imaging with hyperpolarized helium-3 gas in COPD patients both before and after treatment. Phase: N/A Details Lead Sponsor: University of Massachusetts, WorcesterTreatments: Formoterol Fumarate