Use of a cognitive ergonomics approach to compare usability of a multidose dry powder inhaler and a capsule dry powder inhaler: an open-label, randomized, controlled study.

Abstract

BACKGROUND Usability (ease of use) is an important feature of inhalers to ensure optimal dose delivery OBJECTIVE The aim of this study was to compare the usability of a multidose dry powder inhaler (mDPI) and a capsule dry powder inhaler (cDPI) in older individuals, using a range of qualitative and quantitative techniques from the field of cognitive… (More)

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