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Clinical Trial Summary

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).


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05292196
Study type Interventional
Source Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Contact Weimin Li, Doctor
Phone 028-85423837
Email llllllv2@126.com
Status Recruiting
Phase Phase 2
Start date May 20, 2022
Completion date May 2024

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