Patient preference for chronic obstructive pulmonary disease (COPD) treatment inhalers: a discrete choice experiment in France - Université Paris-Est-Créteil-Val-de-Marne Access content directly
Journal Articles Current Medical Research and Opinion Year : 2019

Patient preference for chronic obstructive pulmonary disease (COPD) treatment inhalers: a discrete choice experiment in France

Abstract

Objectives: Understanding inhaler preferences may contribute to improving adherence in COPD patients and improving long-term outcomes. This study aims to identify and quantify preferences for convenience-related inhaler attributes in French moderate-to-severe COPD patients, with discrete choice experiment (DCE) methodology. Methods: Attributes were defined from a literature search, clinician and patient interviews: shape, dose insertion, dose preparation, dose release, dose confirmation, dose counter and reusability. An online DCE was conducted in respondents with self-reported COPD stage 2-4 recruited through a panel. The study questionnaire included twelve choice scenarios per respondent and questions on patient characteristics, treatment and disease severity. Statistical analyses used a mixed logit regression model with random effects. Utility scores were estimated for four types of inhalers: Inhaler Asoft mist inhaler; Inhaler Breusable soft mist inhaler; Inhaler Cmulti-dose dry powder inhaler; and Inhaler Dsingle dose dry powder inhaler. Results: The study was completed by 153 patients (50 females); respondents were 50.4 years old on average; 13 different inhaler devices were reported. The most preferred inhaler is L-shaped, has dose preparation with capsule insertion and a dose counter, and is reusable. Inhaler profiles A and B had the highest utilities (mean of 1.2533 and 0.9578 respectively) compared to inhaler C (0.6315) and D (0.2200). Conclusions: This study showed statistically significant results that the strongest drivers of preference in French users of inhalation devices for COPD are shape, dose counter and reusability. Conveniencerelated characteristics are important to patients and should be taken into account by clinicians prescribing these devices.
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Dates and versions

hal-04145784 , version 1 (29-06-2023)

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Christos Chouaid, Nicola Germain, Gérard de Pouvourville, Samuel Aballéa, Daria Korchagina, et al.. Patient preference for chronic obstructive pulmonary disease (COPD) treatment inhalers: a discrete choice experiment in France. Current Medical Research and Opinion, 2019, 35 (5), pp.785-792. ⟨10.1080/03007995.2019.1574507⟩. ⟨hal-04145784⟩
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