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Treatment Preferences in Acute Allergic Reactions-How Can the Context Impact the Preference for a Corticosteroid
Andrea Karadak1, Karin Wahlberg1, Göran Tornling2
1The Swedish Institute for Health Economics, SE-223 61 Lund, Sweden.
Background:
The objective was to assess how preferences for a self-dissolving dexamethasone mouth film versus conventional tablets for acute allergic reactions may vary according to population characteristics and the level of outcome knowledge for the intervention (i.e., ex ante, interim, and ex post).
Methods:
We used preference data from two studies: a questionnaire study with a choice between mouth film and tablets based on a description of the mouth film (ex ante), and a clinical trial with ratings of accessibility and perceived security when the mouth film was available (interim) or used for acute allergic reactions (ex post). Associations between preferences and participant characteristics (demographics and clinical history) were analyzed using logistic regression models.
Results:
Preference for the mouth film over tablets remained strong as outcome information increased from ex ante to ex post and was consistent across study populations. Higher relative preference was associated with female sex, longer disease duration, older age, and prior severe reactions, whereas satisfaction with current treatment and regular allergy check-ups were linked to weaker relative preference.
Conclusions:
Preference for the mouth film over tablets was stable, but the degree of preference may depend on characteristics that influence sensitivity to treatment challenges in acute situations.
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