Chronic Obstructive Pulmonary Disease (COPD) Clinical Trial
Official title:
A Randomized, Double-blind, Placebo-parallel, Multicenter Phase II Trial of the Efficacy and Safety of TQC3721 Suspension for Inhalation in the Treatment of Moderate to Severe Chronic Obstructive Pulmonary Disease
TQC3721 suspension for inhalation is a PDE3/4 inhibitor developed by Chia Tai Tianqing Pharmaceutical Group Co., LTD., which can simultaneously achieve bronchial smooth muscle relaxation and anti-inflammatory effects. This is a randomized, double-blind, placebo-parallel, phase II trial of the efficacy and safety of inhaled TQC3721 suspension/placebo at different doses in patients with moderate to severe chronic obstructive pulmonary disease. Objective To evaluate the efficacy, safety and tolerability of TQC3721 inhalation suspension in the treatment of moderate to severe Chronic Obstructive Pulmonary Disease (COPD).
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