The following article is part of coverage from the American Academy of Dermatology’s Annual Meeting (AAD 2020). Because of concerns regarding the coronavirus disease 2019 (COVID-19) pandemic, all AAD 2020 sessions and presentations were transitioned to a virtual format. While live events will not proceed as planned, readers can click here to view more news related to research presented during the AAD VMX 2020 virtual experience.


New data from a head-to-head study comparing risankizumab-rzaa to secukinumab in patients with moderate to severe plaque psoriasis were recently presented online at the American Academy of Dermatology virtual annual meeting. 

In this 52-week, phase 3b, open-label, active-comparator study, patients were randomized to receive risankizumab 150mg subcutaneously (n=164) at baseline, week 4, then every 12 weeks thereafter, or secukinumab 300mg subcutaneously at baseline, weeks 1, 2, 3, and 4, then every 4 weeks thereafter. The co-primary end points were the proportion of patients with a 90% reduction in the Psoriasis Area and Severity Index score (PASI 90 response) at week 16 (noninferiority) and at week 52 (superiority) from baseline. 

Results showed that the study met both primary end points of noninferiority and superiority. A greater proportion of patients treated with risankizumab achieved a PASI 90 response at week 16 (74% vs 66%) and at week 52 (87% vs 57%; P <.001) compared with secukinumab. 


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Risankizumab also met key secondary end points including a superior rate of complete skin clearance (PASI 100 response) at week 52 compared with secukinumab (66% vs 40%; P <.001). Moreover, 88% of patients treated with risankizumab achieved a static Physician Global Assessment (sPGA) score of clear (0) or almost clear (1) at week 52 compared with 58% of patients treated with secukinumab (P <.001).

Risankizumab and secukinumab demonstrated comparable rates of adverse reactions. The most common were nasopharyngitis, upper respiratory tract infection, headache, arthralgia and diarrhea.

Risankizumab, an interleukin-23 antagonist, is marketed under the trade name Skyrizi and is indicated for the treatment of moderate to severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy.

Secukinumab, an interleukin-17A antagonist, is marketed under the trade name Cosentyx and is indicated for the treatment of moderate to severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy. It is also approved for the treatment of active psoriatic arthritis or ankylosing spondylitis in adults.

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This article originally appeared on MPR