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To evaluate changes in PaO2 following inhalation of Tiotropium by HandiHaler compared to Salmeterol MDI in patients with moderate to severe COPD.
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Lead Sponsor
Boehringer Ingelheim
NCT06712563 · Pulmonary Disease, Chronic Obstructive
NCT07518472 · Pulmonary Disease, Chronic Obstructive (COPD)
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Hines Veterans Administration Hospital
Hines, Illinois
Hunter Holmes McGuire Medical Center
Richmond, Virginia
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