Comparison of Salmeterol and Fluticasone Propionate Absorption From Salmeterol/Fluticasone Easyhaler and Seretide Diskus

Inclusion Criteria: * Healthy males and females aged 18-60 years * Normal weight, at least 50 kg Exclusion Criteria: * Evidence of clinically significant cardiovascular, renal, hepatic, haematological, GI, pulmonary, metabolic-endocrine, neurological or psychiatric disease. * Any clinically significant abnormal laboratory value or physical finding that may interfere with the interpretation of study results or constitute a health risk for the subject if he/she takes part in the study. * Any condition requiring regular concomitant treatment (including vitamins and herbal products) or likely to need any concomitant treatment during the study. * Known hypersensitivity to the active substance(s) or the excipient of the drug. * Pregnant or lactating females.