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Table 5 High and low doses for stratification purposes

From: FourFold Asthma Study (FAST): a study protocol for a randomised controlled trial evaluating the clinical cost-effectiveness of temporarily quadrupling the dose of inhaled steroid to prevent asthma exacerbations

Corticosteroid Device and formulation Low dose
mcg/day
High dose
mcg/day
BDP Non-proprietary 100–1000 >1000–2000
BDP Clenil MDI 100–1000 >1000–2000
BDP QVAR MDI 50–500 >500–800
Budesonide MDI 100–1000 >1000–1600
Budesonide Turbuhaler 100–800 >800–1600
Fluticasone propionate MDI/Accuhaler 50–500 >500–2000
Ciclesonide MDI 80–320  
Seretide MDI/Accuhaler 50–500 >500–1000
Symbicort Turbuhaler 100–800 >800–1600
Fostair MDI 400  
Flutiform MDI 50–500 >500–1000
  1. BPD beclomethasone dipropionate, MDI metered-dose inhaler