815,377
Participants
Start Date
January 31, 2001
Primary Completion Date
June 30, 2007
Study Completion Date
February 28, 2010
Fluticasone / formoterol metered dose inhaler
Prescribed at the same BDP-equivalent dose as baseline ICS
Fluticasone / salmeterol dry powder inhaler
Prescribed at the same BDP-equivalent dose as baseline ICS
Budesonide / formoterol dry powder inhaler
Prescribed at the same BDP-equivalent dose as baseline ICS
Fluticasone / salmeterol dry powder inhaler
Prescribed at ≥twice BDP-equivalent dose as baseline ICS
Fluticasone / salmeterol metred dose inhaler
Prescribed at ≥twice BDP-equivalent dose as baseline ICS
BUD/FOR dry powder inhaler
Prescribed at ≥twice BDP-equivalent dose as baseline ICS
General Practice Research Database, London
Mundipharma Research Limited
INDUSTRY
Research in Real-Life Ltd
NETWORK