A 52-Week Parallel Group Safety Study of TD-4208 in Chronic Obstructive Pulmonary Disease (COPD)

A Phase 3, 52-week, Randomized, Active-Controlled Parallel Group Study to Evaluate the Safety and Tolerability of Nebulized TD-4208 in Subjects With Chronic Obstructive Pulmonary Disease

The purpose of this study is to measure the safety and tolerability of TD 4208, an investigational drug being developed to treat people with moderate to very severe COPD, compared to tiotropium.

Inclusion Criteria:

• Subject is a male or female subject 40 years of age or older

Exclusion Criteria:

• Females who are pregnant, lactating, breast-feeding or planning to become pregnant during the study