Kerrie-Anne Ho1,2, Mustafa Acar3, Andrea Puig3, Gabor Hutas3, Simon Fifer4. 1. Community and Patient Preference Research Pty Ltd, Sydney, NSW, Australia. 2. Evidera, London, UK. 3. Outcomes Research, Janssen-Cilag Pty Ltd, North Ryde, NSW, Australia. 4. Community and Patient Preference Research Pty Ltd, Sydney, NSW, Australia. simon.fifer@cappre.com.au.
Abstract
BACKGROUND AND OBJECTIVES: The purpose of this study was to develop an understanding of treatment preferences in patients with inflammatory arthritis (IA) [rheumatoid arthritis (RA), ankylosing spondylitis (AS) and psoriatic arthritis (PsA)] focussing on treatment attributes that patients' value, their relative importance, and the risk-benefit trade-offs that characterise patients' choices around treatment. METHODS: A discrete choice experiment (DCE) approach was used. Attributes of interest were clinical efficacy; slowing of disease progression; risk of mild-moderate side effects; risk of severe side effects; frequency of administration; real-world product evidence; management of related conditions; and availability of a patient support programme. Using data from the DCE component, a restricted latent class model (LCM) was estimated to determine discrete 'classes' of treatment preferences. RESULTS: In this analysis, 206 participants were included (AS n = 59; PsA n = 62; RA n = 85). Two classes were identified. For 'class 1' (59.9%), the most important attributes (across all treatment modalities) were preventing disease progression, clinical efficacy and risk of mild-to-moderate side effects. For 'class 2' (40.1%), clinical and non-clinical attributes were important, and attribute importance depended on treatment modality. Patient demographic and treatment characteristics did not predict class membership. CONCLUSION: For most patients with IA, clinical efficacy, stopping disease progression and risks of mild-to-moderate side effects are important treatment attributes. Patients with prior biologic DMARD experience had greater preference for injection treatments. For a subset of patients, patient support programmes and the frequency of administration were important. Clinicians should be mindful of preferences when prescribing treatment to patients with IA.Key Points• Most patients consider clinical efficacy, stopping disease progression and the risk of mild-to-moderate side effects as important treatment attributes• Patients with prior biologic DMARD experience have greater preference for injection treatments.• For a subset of patients, patient support programmes, and the frequency of administration were important.• Clinicians should be mindful of preferences when prescribing treatment to patients with IA.
BACKGROUND AND OBJECTIVES: The purpose of this study was to develop an understanding of treatment preferences in patients with inflammatory arthritis (IA) [rheumatoid arthritis (RA), ankylosing spondylitis (AS) and psoriatic arthritis (PsA)] focussing on treatment attributes that patients' value, their relative importance, and the risk-benefit trade-offs that characterise patients' choices around treatment. METHODS: A discrete choice experiment (DCE) approach was used. Attributes of interest were clinical efficacy; slowing of disease progression; risk of mild-moderate side effects; risk of severe side effects; frequency of administration; real-world product evidence; management of related conditions; and availability of a patient support programme. Using data from the DCE component, a restricted latent class model (LCM) was estimated to determine discrete 'classes' of treatment preferences. RESULTS: In this analysis, 206 participants were included (AS n = 59; PsA n = 62; RA n = 85). Two classes were identified. For 'class 1' (59.9%), the most important attributes (across all treatment modalities) were preventing disease progression, clinical efficacy and risk of mild-to-moderate side effects. For 'class 2' (40.1%), clinical and non-clinical attributes were important, and attribute importance depended on treatment modality. Patient demographic and treatment characteristics did not predict class membership. CONCLUSION: For most patients with IA, clinical efficacy, stopping disease progression and risks of mild-to-moderate side effects are important treatment attributes. Patients with prior biologic DMARD experience had greater preference for injection treatments. For a subset of patients, patient support programmes and the frequency of administration were important. Clinicians should be mindful of preferences when prescribing treatment to patients with IA.Key Points• Most patients consider clinical efficacy, stopping disease progression and the risk of mild-to-moderate side effects as important treatment attributes• Patients with prior biologic DMARD experience have greater preference for injection treatments.• For a subset of patients, patient support programmes, and the frequency of administration were important.• Clinicians should be mindful of preferences when prescribing treatment to patients with IA.
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