Study: NCT02924688

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: ELLIPTA DPI
Description: The ELLIPTA device will be used during the stabilization period and the treatment period. The ELLIPTA DPI is a moulded plastic two-sided device that can hold two individual blister strips which contain powder formulation for oral inhalation.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: ELLIPTA DPI
Description: The ELLIPTA device will be used during the stabilization period and the treatment period. The ELLIPTA DPI is a moulded plastic two-sided device that can hold two individual blister strips which contain powder formulation for oral inhalation.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: DISKUS DPI
Description: The DISKUS device will be used during the run-in period. The DISKUS DPI is a plastic inhalation delivery system containing a single-foil blister strip of a powder formulation of FSC for oral inhalation.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: METERED-DOSE INHALER (MDI)
Description: Albuterol/salbutamol (rescue medication) will be delivered via metered-dose inhaler (MDI) will be used for reversibility testing.