Epidemiological studies suggest that patients with asthma are not at an increased risk of severe coronavirus disease 2019 (COVID-19) caused by the novel coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [1–3]. Recent studies indicate that the severity of COVID-19 in patients with asthma is likely to depend on multiple factors. A type 2-low asthma phenotype, use of oral corticosteroids and severe asthma could be aggravating factors, while maintenance treatment with inhaled corticosteroids (ICS) and good asthma control are probably protective [4]. However, there is currently scarce information on the risk associated with COVID-19 in subjects with severe asthma and/or the use of biologics. Since eosinopenia is a biomarker for the severity of COVID-19 [5], the eosinophil depletion induced by anti-IL5 and anti-IL5 receptor blocking monoclonal antibodies raises concern in patients and their treating physicians.
There are many different inhaler devices and medications on the market for the treatment of asthma and chronic obstructive pulmonary disease, with over 230 drug-delivery system combinations available. However, despite the abundance of effective treatment options, the achieved disease control in clinical practice often remains unsatisfactory. In this context, a key determining factor is the match or mismatch of an inhalation device with the characteristics or needs of an individual patient. Indeed, to date, no ideal device exists that fits all patients, and a personalized approach needs to be considered. Several useful choice-guiding algorithms have been developed in the recent years to improve inhaler-patient matching, but a comprehensive tool that translates the multifactorial complexity of inhalation therapy into a user-friendly algorithm is still lacking. To address this, a multidisciplinary expert panel has developed an evidence-based practical treatment tool that allows a straightforward way of choosing the right inhaler for each patient.
In response to questions about limitation of activity, patients do not specifically answer mentioning physical limitation but rather the psychological burden associated with this constraint.
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