Efficacy and Safety of Free Combination of Tiotropium + Formoterol Compared to Formoterol and Tiotropium in Patients With Chronic Obstructive Pulmonary Disease (COPD)

PHASE2CompletedINTERVENTIONAL

Enrollment

Participants

Timeline

Start Date

February 28, 2002

Primary Completion Date

August 31, 2002

Conditions

Pulmonary Disease, Chronic Obstructive

Interventions

DRUG

Tiotropium + formoterol combination

DRUG

Tiotropium

DRUG

Formoterol