- Reversible asthmatic patients (>15% increase in FEV1 following 200ug salbutamol).
- FEV1 greater than or equal to 60% predicted
- Stable disease for at least the previous 3 months
- Subjects requiring rescue medication on greater than 2 occasions in the 72 hours
prior to screening
- Subjects with a history of pulmonary disease other than asthma.