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Adolescent and caregiver preferences for juvenile idiopathic arthritis treatment: a discrete-choice experiment
Background
This study aimed to elicit and quantify preferences for treatments for juvenile idiopathic arthritis (JIA).
Methods
We conducted a discrete-choice experiment among adolescents with JIA in the United States (US) (n = 197) and United Kingdom (UK) (n = 100) and caregivers of children with JIA in the US (n = 207) and UK (n = 200). In a series of questions, respondents chose between experimentally designed profiles for hypothetical JIA treatments that varied in efficacy (symptom control; time until next flare-up), side effects (stomachache, nausea, and vomiting; headaches), mode and frequency of administration, and the need for combination therapy. Using a random-parameters logit model, we estimated preference weights for these attributes, from which we derived their conditional relative importance.
Results
On average, respondents preferred greater symptom control; greater time until the next flare-up; less stomachache, nausea, and vomiting; and fewer headaches. However, adolescents and caregivers in the US were generally indifferent across varying modes and frequencies of administration. UK adolescents and caregivers preferred tablets, syrup, or injections to intravenous infusions. US and UK adolescents were indifferent between treatment with monotherapy or combination therapy; caregivers in the UK preferred treatment with combination therapy to monotherapy. Subgroup analysis showed preference heterogeneity across characteristics including gender, treatment experience, and symptom experience in both adolescents and caregivers.
Conclusions
Improved symptom control, prolonged time to next flare-up, and avoidance of adverse events such as headache, stomachache, nausea, and vomiting are desirable characteristics of treatment regimens for adolescents with JIA and their caregivers.
Authors
F McErlane, M Boeri, C Bussberg, J C Cappelleri, R Germino, L Stockert, C Vass, A M Huber
Journal
Pediatric Rheumatology Online Journal
Therapeutic Area
Infectious diseases and vaccines
Center of Excellence
Patient-Centered outcomes
Year
2023
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