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Effect of asthma compliance enhancement training on asthma control in patients on combination therapy with salmeterol/fluticasone propionate: a randomised controlled trial.

Author(s): Ulrik CS, Claudius BK, Tamm M, Harving H, Siersted HC, Backer V, Hellquist B, Dahl R, Hogholm A, Johnk IK

Affiliation(s): Cardiology and Respiratory Diseases, Hvidovre Hospital, Hvidovre, Denmark. csulrik@dadlnet.dk

Publication date & source: 2009-07, Clin Respir J., 3(3):161-8.

Publication type: Clinical Trial, Phase IV; Multicenter Study; Randomized Controlled Trial

OBJECTIVE: We investigated if a higher proportion of adults with previously uncontrolled asthma can achieve total control when given salmeterol/fluticasone propionate (50/250 microg) bid and compliance enhancement training (CET) compared to those given medication alone. METHODS: Open comparison of stable, but uncontrolled, adult asthmatics. After a 12-week treatment period on salmeterol/fluticasone propionate (period 1), patients who failed to achieve control were randomised to continuing treatment with or without CET for 12 weeks (period 2). The primary end point was the proportion achieving total control of their asthma in 7 of the last 8 consecutive weeks of period 2. RESULTS: A total of 361 subjects (50.4% males, mean age 40.0 +/- 14.4 years) in 29 centres were included, of whom 75.9% were randomised into treatment period 2 (n = 140 in the intervention group). The proportion of subjects achieving total asthma control was 8.8% and 7.6%, respectively, in the intervention and control group [not significant (NS)]. Mean morning peak flow, forced expiratory volume in one second (FEV(1)), asthma symptom score and quality of life improved significantly over the study period in both treatment groups. Furthermore, proportion of days with use of rescue medication declined from 59.7% +/- 34.6% (55.7% +/- 35.3%) during screening to 20.3% +/- 29.2% (19.4% +/- 30.9%) during treatment period 2 (NS). CONCLUSION: CET failed to increase the likelihood of achieving total control in asthmatics on salmeterol/fluticasone propionate compared to subjects receiving medication only. However, both groups had a significant improvement in asthma control. (Clinical Trials.gov number, NCT00351143)

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