Study	Reason for exclusion
Ghosh 2002	Study compared effects of inhaled budesonide with inhaled ipratropium and not placebo
Guran 2008	Not a RCT, withdrawal study with before‐and‐after outcomes
Martinez‐Garcia 2012	Study compared budesonide with budesonide‐formoterol combination and not a placebo
Monton 1999	Study included patients with pneumonia and not bronchiectasis. Used systemic steroids, not inhaled
ONeil 2004	Study not a RCT. Studies subjective benefits of inhaler therapy including both ICS and bronchodilators

ICS: inhaled corticosteroids
 RCT: randomised controlled trial