Conditions: Chronic Obstructive Pulmonary Disease (COPD)
Keywords: Chronic Obstructive Pulmonary Disease, COPD
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 611
Healthy volunteers: no

Brief summary:
The purpose of this study is to measure the effectiveness and safety of TD 4208, an investigational drug being developed to treat people with moderate to very severe COPD, compared to placebo, a treatment without activity.

Detailed description:

Arms:
arm 1: 88 mcg arm 2: 175 mcg arm 3: Placebo

Interventions: intervention 1: TD-4208 intervention 2: Placebo
Intervention descriptions: intervention 1: None intervention 2: None

Protocol document: