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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