International Journal of Pharmaceutics
International Journal of Pharmaceutics
5 years ago

Learning from patients: Identifying design features of medicines that cause medication use problems

Learning from patients: Identifying design features of medicines that cause medication use problems
Usability is a key factor in ensuring safe and efficacious use of medicines. However, several studies showed that people experience a variety of problems using their medicines. The purpose of this study was to identify design features of oral medicines that cause use problems among older patients in daily practice. A qualitative study with semi-structured interviews on the experiences of older people with the use of their medicines was performed (n=59). Information on practical problems, strategies to overcome these problems and the medicines’ design features that caused these problems were collected. The practical problems and management strategies were categorised into ‘use difficulties’ and ‘use errors’. A total of 158 use problems were identified, of which 45 were categorized as use difficulties and 113 as use error. Design features that contributed the most to the occurrence of use difficulties were the dimensions and surface texture of the dosage form (29.6% and 18.5%, respectively). Design features that contributed the most to the occurrence of use errors were the push-through force of blisters (22.1%) and tamper evident packaging (12.1%). These findings will help developers of medicinal products to proactively address potential usability issues with their medicines.

Publisher URL: www.sciencedirect.com/science

DOI: S0378517316311358

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