Abstract
There is limited real-life evidence with brodalumab in patients with plaque psoriasis in Canada. To examine real-world effectiveness of brodalumab in Canadian routine care with a focus on clinician and patient-reported outcomes, as well as measuring continuation rates and persistency. Retrospective analysis was conducted on data collected through the brodalumab patient support program (PSP) in Canada for patients initiating brodalumab between June 2018 (PSP launch)- June 2020 with a minimum of 16 weeks follow-up from first dose. Effectiveness was assessed by improvements in PASI, BSA and DLQI; continuation rates and persistency on therapy were reported. Overall, 864 patients (male, 59%; median age, 52 years) were included in the analysis. In a subset of patients with both baseline and follow-up scores, statistically significant improvements were observed: PASI improved from 13.9 to 1.8, BSA improved from 16.6% to 2.5% and DLQI improved from 16.2 to 2.9. Brodalumab demonstrated high continuation rates (89.9%), with similar rates in biologic-naïve and biologic-experienced patients (92.1% and 88.6%, respectively) and in patients who received secukinumab or ixekizumab as their most recent biologic therapy (89.0% and 86.2%, respectively). Persistence at 6, 12, and 18 months was 82.0%, 69.9%, and 63.4%, respectively. The effectiveness of brodalumab was demonstrated in this Canadian routine care study, with significant improvements in disease severity and patient-reported outcomes. High continuation rates were achieved; including in patients previously treated with IL-17A inhibitors. Future studies will provide further evidence of brodalumab's benefits for the management of plaque psoriasis in the real-world setting.
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