An Efficacy Study of Umeclidinium/Vilanterol With Tiotropium/Olodaterol in COPD Patients

Condition:   Pulmonary Disease, Chronic ObstructiveInterventions:   Drug: UMEC/VI;   Drug: TIO/OLO;   Drug: Albuterol/salbutamolSponsor:   GlaxoSmithKlineNot yet recruiting - verified June 2016

Source: ClinicalTrials.gov - June 2, 2016 Category: Research Source Type: clinical trials