A Multicenter, Randomized, Single-blind, Active-controlled, Parallel-designed Phase III Clinical Study to Evaluate the Efficacy and Safety of HL231 Solution for Inhalation in Patients With Chronic Obstructive Pulmonary Disease (COPD)
A Multicenter, Randomized, Single-blind, Active-controlled, Parallel-designed Phase III Clinical Study to Evaluate the Efficacy and Safety of HL231 Solution for Inhalation in Patients With Chronic Obstructive Pulmonary Disease (COPD)
To evaluate the efficacy and safety of HL231 Solution for Inhalation vs Ultibro in Chinese patients with moderate to very severe COPD
Inclusion Criteria:
Exclusion Criteria:
Other protocol-defined inclusion/exclusion criteria may apply.