Using Controllers PRN for Mild Persistent Asthma – An Oxymoron?

Two recent studies challenge our current approach to managing patients with mild persistent asthma. When patients with asthma are prescribed inhaled corticosteroids (ICSs), we instruct them to use the medication daily. In patients with persistent asthma, guidelines recommend maintenance therapy, with either an ICS or a combination ICS/long-acting beta-agonist (LABA), plus a short-acting beta-agonist (SABA) as needed for rescue treatment.  The Symbicort Given as Needed in Mild Asthma (SYGMA) 1 and SYGMA 2 trials challenge the traditional approach comparing combination ICS/LABA (budesonide-formoterol) as needed to traditional ICS maintenance with SABA rescue therapy.

Guest Author:  Brittany Schmidt, PharmD, BCACP

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