Chronic obstructive pulmonary dis-ease(COPD)is the most common chronic airway disease.The current status of treatment based mainly on bronchodilators and ICS is not sufficient for all of COPD patients.Various studies have at-tempted to use biologics targeting specific cyto-kines and their receptors in COPD patients to allevi-ate respiratory symptoms or reduce the risk of acute exacerbations.However,they failed to bring significant clinical benefits.More studies are need-ed to further determine the efficacy of targeted biotherapy for COPD.
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