Overview Efficacy and Safety of LAS 34273 in Patients With Moderate to Severe Stable Chronic Obstructive Pulmonary Disease(COPD) Status: Completed Trial end date: 2008-06-01 Target enrollment: Participant gender: Summary To evaluate the efficacy and safety of LAS 34273 compared to placebo in patients with moderate to severe COPD during one year of treatment. Phase: Phase 3 Details Lead Sponsor: AstraZenecaTreatments: Bromides