Dataset related to article: Autoreactivity to self-antigens LL37 and ADAMTSL5 influences the clinical response to risankizumab in psoriatic patients

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 Autoreactivity to self-antigens LL37 and ADAMTSL5 influences the clinical response to risankizumab in psoriatic patients

Abstract

The autoantigens LL37 and ADAMTSL5 contribute to induce pathogenetic T-cells responses in a subset of psoriatic patients. Whether the presence of LL37-and/or ADAMTS5-reactive T-cells influences the clinical response to treatment is still unknown. The aim of the study is to evaluate the clinical responses to the anti-IL-23 risankizumab in LL37 and/or ADAMTSL5-reactive patients in comparison with non-reactive ones and to assess whether genetics (HLA-Cw06.02) or BMI influences the response to treatment. Patients were screened at baseline for the presence of circulating LL37 or/and ADAMTSL5-reactive T-cells and were treated as per protocol with risankizumab. Effectiveness data (PASI scores) were collected at weeks 4, 16, 28, 40 and 52. Data were also analyzed based on HLA-Cw06.02 status and BMI. The overall response to treatment of patients with autoreactivity to LL37 or ADAMTSL5 did not differ compared to the non-reactive cohort as measured as PASI75/90/100 at different time points; however, subjects that had autoreactive T-cells to both LL37 and ADAMTS5 demonstrated suboptimal response to treatment starting at week16. HLA-Cw06:02⁺ patients demonstrated faster response to risankizumab at week 4 compared to HLA-Cw06:02^-. Additionally, the response to treatment was influenced by the BMI with slower responses seen in overweight and obese patients at week 4 and week16. In conclusion, while the presence of either LL37-and ADAMTS5-reactive circulating T-cells do not influence the clinical response to risankizumab, the presence of the double reactivity to both LL37 and ADAMTS5 decreases the clinical responses. Moreover, we evidenced that HLA-Cw06⁺ respond faster to IL-23 inhibition and that BMI, associated to autoreactivity, can influence the speed in response.