• Daniel Auclair, Carol Mansfield, Mark A Fiala, Ajai Chari, Craig E Cole, Jonathan L Kaufman, Gregory J Orloff, David S Siegel, Jeffrey A Zonder, Brennan Mange, Jennifer Yesil, Mehul Dalal, and Joseph R Mikhael.
• Department of Research, Multiple Myeloma Research Foundation, Norwalk, CT, USA.
• Patient Prefer Adher. 2022 Jan 1; 16: 573-585.

Introduction/BackgroundThis study aimed to describe patient and caregiver preferences for treatments of relapsed or refractory multiple myeloma (MM).Materials And MethodsA survey including discrete-choice experiment (DCE) and best-worst scaling (BWS) exercises was conducted among US patients with relapsed or refractory MM and their caregivers. The DCE included six attributes with varying levels including progression-free survival (PFS), toxicity, and mode and frequency of administration. In addition, the impact of treatment cost was assessed using a fixed-choice question. The BWS exercise included 18 items (modes and frequency of administration, additional treatment convenience, and toxicity items). The survey was administered online to patients recruited from the Multiple Myeloma Research Foundation CoMMpass study (NCT01454297).ResultsThe final samples consisted of 94 patients and 32 caregivers. Avoiding severe nerve damage was most important to patients, followed by longer PFS. Caregivers considered PFS to be the most important attribute. We estimate that a third or more of patients were cost-sensitive, meaning their treatment preference was altered based on cost implications. Caregivers were not cost-sensitive. The three most bothersome treatment features in the BWS exercise were risk of kidney failure, lowering white blood cell counts, and weakening the immune system.ConclusionPatients with relapsed or refractory MM and their caregivers consider many factors including efficacy, toxicity, mode/frequency of administration, and cost in their decisions regarding treatment options. The study provides a basis for future Research on patient and caregiver treatment preferences, which could be incorporated into shared decision-making with physicians.© 2022 Auclair et al.

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