His current interests are focused on the role of airway smooth muscle and effects of oxidant stress on muscle function, on the energetics of airway smooth muscle function and on the mechanisms underlying corticosteroid resistance. He is also researching on the impact of environmental pollution and nanoparticles on the lungs and in lung disease. The translational aspects of this work relates to the chronic airflow obstruction and inflammation seen in asthma and COPD and finding new treatments, particularly related to antioxidant and anti-inflammatory therapies. He has also an interest in the cough hypersensitivity syndrome and new antitussives.
Professor Chung holds research grants from the Medical Research Council UK, EU Innovative Medicines Initiative, National Environmental Research Council (UK), Asthma UK and the NIH/National Institute for Environmental and Health Sciences
He currently serves on the editorial boards of several respiratory and pharmacological journals including Respirology, Lancet Respiratory Medicine & European Journal of Pharmacology. He is a founding co-Editor of COUGH..