Dose escalation and associated economic outcomes in patients with psoriasis treated with biologics: A retrospective analysis of German health claims data.
Andreas Pinter, Ahmed M Soliman, Karina C Manz, Valeria Weber, Paul Ludwig, Anja Mocek, Ariane Höer, Sven G Richter, Mark G Lebwohl
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Abstract
Background: In Germany, several biologic therapies are available for the treatment of moderate-to-severe plaque psoriasis, with the option of exceeding recommended dosages if standard dosing does not achieve a satisfactory treatment response.
Objectives: To examine dose escalation in patients with biologic-treated psoriasis and associated cost development for German statutory health insurance (SHI).
Methods: We conducted a retrospective, non-interventional cohort study using German SHI health claims data from 2016 to 2021. Adult patients initiating biologic treatment were included in drug-specific cohorts. The odds for dose escalation, defined as the exceedance of the individually received daily dose over the maintenance dose recommended by the European product information, was compared between cohorts using multivariate logistic regression. The impact of dose escalation on SHI expenditures was analyzed with a generalized linear model.
Results: The relative frequency of dose escalation varied between cohorts (range 1.1% [risankizumab] to 42.9% [infliximab]). Compared to risankizumab-treated patients, the odds for dose escalation were statistically significantly (p < 0.05) higher in patients treated with all other biologic drugs except tildrakizumab. Patients with dose escalation during the maintenance phase accrued on average €6,473 more in direct healthcare costs to the SHI over a one-year period compared to those without dose escalation, with statistical significance (p < 0.05) after controlling for differences in covariates.
Conclusions: Compared to patients treated with other biologics, dose escalation during the maintenance phase was lowest among risankizumab-treated patients. Dose escalation was associated with higher costs and thus a higher economic burden for the German SHI.
期刊介绍：
Clinical and Experimental Dermatology (CED) is a unique provider of relevant and educational material for practising clinicians and dermatological researchers. We support continuing professional development (CPD) of dermatology specialists to advance the understanding, management and treatment of skin disease in order to improve patient outcomes.
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