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Patient Perceptions of Switching to a Generic Dry Powder Inhaler - Increased Understanding Through Journey Mapping.
Sarah E Ray1, Vanessa Boudewyns1, Christine Davis1
1Center for Communication Science, RTI International, Research Triangle Park, NC, USA.
Patients have mixed feelings about generic dry powder inhaler (DPI) substitution, with concerns about usability and efficacy but appreciation for potential cost savings. Patient involvement in decision-making is crucial.
Area of Science:
- Respiratory Medicine
- Patient-Reported Outcomes
Background:
- Dry powder inhalers (DPIs) are essential for managing respiratory conditions like COPD and asthma.
- Generic substitution of DPIs is increasingly common, raising questions about patient acceptance and perceptions.
- Understanding patient attitudes towards generic DPIs is vital for successful treatment adherence and healthcare policy.
Purpose of the Study:
- To explore patients' attitudes and perceptions regarding generic dry powder inhaler (DPI) substitution for their prescribed brand product.
- To assess patient views on the quality, efficacy, design, and usability of generic DPIs compared to brand-name devices.
Main Methods:
- A qualitative study involving focus groups with 40 patients (COPD and asthma) actively using a brand DPI.
- Participants engaged in a journey mapping exercise simulating an unexpected generic DPI substitution.
- Thematic analysis was performed on audio recordings and transcriptions of the focus groups.
Main Results:
- Patients experienced mixed emotions, including relief over cost savings but also confusion and frustration regarding unexpected generic DPI substitution.
- Concerns about usability, correct usage, and efficacy of generic DPIs were prevalent, leading to anticipated anxiety.
- While most participants preferred the brand DPI's design and ease of use, potential cost savings remained a significant factor in their decision-making.
Conclusions:
- Unexpected generic DPI substitution elicits varied patient responses, highlighting concerns about device differences and efficacy.
- Patients desire active participation in healthcare discussions and decisions regarding the sameness and substitution of DPIs.
- Addressing patient concerns and involving them in the decision-making process is essential for the acceptance of generic DPIs.
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