Objectives: To identify meaningful treatment attributes and quantify patient preferences for attributes of systemic atopic dermatitis (AD) treatments. Materials and Methods: Qualitative interviews were conducted with adults with moderate-tosevere AD (N = 21) to identify AD treatment attributes that patients consider most important and inform attribute selection for an online discrete-choice experiment (DCE) survey administered to patients in the United States with moderate-to-severe AD. Participants identified probability of clear/almost clear skin at 16 weeks, time to itch relief, mode of administration, and safety risks as very important. DCE data were analyzed using a random-parameters logit model to estimate the relative importance of treatment attributes and maximum acceptable risk. Results: A total of 320 respondents completed the DCE survey (74% female; mean age, 35 years). Annual risk of malignancy was the most important attribute, followed by mode of administration, probability of clear skin at 16 weeks, and time to onset of itch relief. Respondents preferred daily oral treatment over injectable treatment. Respondents were willing to accept increases in adverse event risks for improvements in efficacy and mode of administration. Conclusion: The findings of this study can help inform joint patient-physician decision making in managing moderate-to-severe AD.
Objective To understand treatment preferences of people with migraine and the relative importance of improvements in efficacy and avoiding adverse events (AEs), such as cognition problems or weight gain. Background Current preventive migraine medicines are associated with poor adherence and tolerability. There is an unmet need for effective migraine‐specific preventive treatments with fewer AEs. Methods In a web‐based discrete‐choice experiment survey, respondents who self‐reported having ≥6 migraine days/month were offered choices between pairs of hypothetical preventive migraine medicines. Six attributes, each with 3 levels, defined the medicines: reduction in headache days per month (10%, 25%, or 50%), frequency of limitations with physical activities (none, 1‐category improvement, or 2‐category improvement), cognition problems (no problems, thinking problems, or memory problems), weight gain (none, 5% body weight gain, or 10% body weight gain), how the medicine is taken (daily oral pill, once‐monthly injection, or twice‐monthly injection), and monthly out‐of‐pocket cost ($5, $60, or $175). The attributes and levels were informed by clinician input, the clinical literature, and 2 focus groups. An experimental design was used to create the pairs of hypothetical medicines for the discrete‐choice experiment questions. Random‐parameters logit was used to estimate the relative importance of the medicine attributes, and the results were used to predict the percentage of respondents who would select one medicine profile over another and to calculate willingness to pay for changes in attribute levels. Results The sample included 300 respondents; 72% indicated that migraines make physical activities difficult all or most of the time, and 81% had taken a prescription medicine to prevent migraine in the last 6 months. Respondents reported having, on average, approximately 16 headache days per month. Among noncost attributes, respondents valued a change from a 10% reduction in migraine days to a 50% reduction more highly than avoiding the worst levels of AEs, but were willing to trade off efficacy for less‐severe AEs. Avoiding memory problems was more important than avoiding thinking problems. Avoiding a 10% weight gain was more important than avoiding thinking and memory problems. Respondents preferred a once‐monthly injection or daily pill to twice‐monthly injection. Respondents, on average, were willing to pay $84 (95% confidence interval [CI], $64‐$103) per month to avoid a 10% weight gain, $59 (95% CI, $42‐$76) per month to avoid memory problems, $35 (95% CI, $20‐$51) per month to avoid a 5% weight gain, and $32 (95% CI, $18‐$46) per month to avoid thinking problems. Conclusions A preventive migraine medicine with improved efficacy and AE profile and a favorable mode of administration would be valuable to migraine sufferers. Patients may be willing to trade off efficacy for better AE profiles. Clinicians should work with patients to select treatments that meet each patient’s needs.
Key Points CLL patients value higher PFS but would accept significant reductions in PFS to avoid serious adverse events. Adding even modest out-of-pocket costs changed treatment choices for hypothetical treatments, suggesting patients are sensitive to cost.
BackgroundThe perceived bother of skin and joint-related manifestations of psoriatic disease may differ among patients, rheumatologists, and dermatologists. This study identified and compared the patient and dermatologist/rheumatologist-perceived bother of psoriatic disease manifestations.MethodsOnline surveys were administered to patients with both psoriasis and psoriatic arthritis and to dermatologists and rheumatologists. Object-case best–worst scaling was used to identify the most and least bothersome items from a set of five items in a series of questions. Each item set was drawn from 20 items describing psoriatic disease skin and joint symptoms and impacts on daily activities. Survey responses were analyzed using random-parameters logit models for each surveyed group, yielding a relative-bother weight (RBW) for each item compared with joint pain, soreness, or tenderness.ResultsSurveys were completed by 200 patients, 150 dermatologists, and 150 rheumatologists. Patients and physicians agreed that joint pain, soreness, and tenderness are among the most bothersome manifestations of psoriatic disease (RBW 1.00). For patients, painful, inflamed, or broken skin (RBW 1.03) was more bothersome, while both rheumatologists and dermatologists considered painful skin much less bothersome (RBW 0.17 and 0.22, respectively) than joint pain. Relative to joint pain, rheumatologists were more likely to perceive other joint symptoms as bothersome, while dermatologists were more likely to perceive other skin symptoms as bothersome.ConclusionsThis study has identified important areas of discordance both between patients and physicians and between rheumatologists and dermatologists about the relative bother of a comprehensive set of psoriatic disease symptoms and functional impacts. Both physician specialists should ask patients which manifestations of psoriatic disease are most bothersome to them, as these discussions may have important implications for drug and other patient management options.Electronic supplementary materialThe online version of this article (10.1186/s13075-018-1601-4) contains supplementary material, which is available to authorized users.
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