Physical function and severe side effects matter most to patients with RA (< 5 years): a discrete choice experiment assessing preferences for personalized RA treatment

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  • Karin Schölin Bywall
  • Esbensen, Bente Appel
  • Marie Heidenvall
  • Inger Erlandsson
  • Marta Lason
  • Mats Hansson
  • Jennifer Viberg Johansson

Aim: Early assessment of patient preferences has the potential to support shared decisions in personalized precision medicine for patients with rheumatoid arthritis (RA). The aim of this study was to assess treatment preferences of patients with RA (< 5 years) with previous experience of inadequate response to first-line monotherapy. Method: Patients were recruited (March–June 2021) via four clinics in Sweden. Potential respondents (N = 933) received an invitation to answer a digital survey. The survey included an introductory part, a discrete choice experiment (DCE) and demographic questions. Each respondent answered 11 hypothetical choice questions as part of the DCE. Patient preferences and preference heterogeneity were estimated using random parameter logit models and latent class analysis models. Results: Patients (n = 182) assessed the most important treatment attributes out of physical functional capacity, psychosocial functional capacity, frequency of mild side effects and likelihood of severe side effects. In general, patients preferred a greater increase in functional capacity and decreased side effects. However, a substantial preference heterogeneity was identified with two underlying preference patterns. The most important attribute in the first pattern was the ‘likelihood of getting a severe side effect’. Physical functional capacity was the most important attribute in the second pattern. Conclusion: Respondents focused their decision-making mainly on increasing their physical functional capacity or decreasing the likelihood of getting a severe side effect. These results are highly relevant from a clinical perspective to strengthen communication in shared decision making by assessing patients’ individual preferences for benefits and risks in treatment discussions.

Original languageEnglish
Article number17
JournalBMC Rheumatology
Volume7
Issue number1
Number of pages10
DOIs
Publication statusPublished - 2023

Bibliographical note

Funding Information:
Open access funding provided by Mälardalen University. This project was supported by Vinnova, Innovationsfonden and The Research Council of Norway, under the frame of Nordforsk (Grant agreement no. 90825, Project NORA). The funding agreement ensured the authors’ independence in designing the study, interpreting the data and writing and publishing the report. MH and IE is supported as research partners by the Swedish Rheumatism Association. ML is employed at ELSA Science.

Funding Information:
MH and IE are supported by the Swedish Rheumatism Association as patient research partners. ML is employed at ELSA Science.

Publisher Copyright:
© 2023, The Author(s).

    Research areas

  • Individualised treatment, Precision medicine, Rheumatoid arthritis, Shared decision-making

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