Study	Reason for exclusion
Aziz 2000	Crossover design
Bouchard 2000	ICS not reduced
Buhl 2001	ICS not reduced
Buhl 2003	ICS not reduced
Creemers 2002	ICS not reduced
Creticos 1999	ICS not reduced
Dorinsky 2004 (b)	ICS not reduced
Dorinsky 2004 (c)	No previous ICS use
Feschenko 2003	ICS not reduced
Hawkins 2003	No LABA in active intervention group
Heuck 2000	Crossover design
Hyland 1995	ICS not reduced
Ind 2003	ICS not reduced
Kavuru 2000	ICS not reduced
Lazarus 2001	No ICS in active intervention group
Lundback 2001	ICS not reduced
Matz 2001	ICS not reduced
McCarthy 2001	ICS not reduced
McIvor 1998	Crossover design
Miraglia del Giudice	ICS not reduced
Ortega‐Cisneros 1998	ICS not reduced
Ozkaya 1999	ICS not reduced
Pljaskic Kamenov	ICS not reduced
Price 2002	On LABA prior to study entry
Rooklin 2001	ICS not reduced
Shapiro 2000	ICS not reduced
Stojkovic‐Andjelkovi	Initial ICS/LABA dose comparison
Tal 2002	ICS not reduced
Wallin 2003	ICS not reduced
Weinstein 2001	ICS not reduced
Wilding 1997	Crossover design
Zetterstrom 2001	ICS not reduced