Abstract
Ease of use of the ELLIPTA dry powder inhaler: data from three randomised controlled trials in patients with asthma
Highlights
Patients completed a questionnaire at week 4 of each trial, rating the ease of use of the inhaler and how easy it was to tell how many doses of medication were left in the inhaler
The findings of both assessments were similar across the three trials (Supplementary Appendix)
Investigators reported that 95% of patients used the inhaler correctly after the initial demonstration of correct usage at randomisation, and did not require additional instruction
Summary
Patients completed a questionnaire at week 4 of each trial, rating the ease of use of the inhaler and how easy it was to tell how many doses of medication were left in the inhaler. Investigators assessed, by observation, patients’ competence in using the ELLIPTA DPI following one demonstration of correct usage at randomisation, at week 2 and at week 4.
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