The purpose of this study is to characterize the pharmacodynamic profile of Formoterol Fumarate and Foradil Aerolizer

Inclusion Criteria:

• Able to understand the requirements of the study and provide informed consent
• A Clinical diagnosis of COPD
• A current or prior history of at least 10-pack years of cigarette smoking
• women of child-bearing potential (WOCBP) must have a negative pregnancy test at the Screening Visit and agree to avoid becoming pregnant for the duration of study

Exclusion Criteria:

• A Clinical Diagnosis of Asthma
• Other significant disease than COPD
• Subjects who radiation or chemotherapy within the previous 12 months
• Subjects who had any lung resection
• QTcB greater than 0.460 seconds
• History of illegal drug abuse or alcohol abuse within the past 5 years