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BACKGROUND: Managing psoriasis and its comorbidities, particularly psoriatic arthritis, often involves using IL-23 and IL-12/23 inhibitors. However, the comparative risk of these treatments still needs to be explored. OBJECTIVE: This study evaluates the risk of developing psoriatic arthritis in patients treated with IL23 inhibitors compared to IL-12/23 inhibitors. METHODS: This retrospective cohort study utilized data from the TriNetX, including adult patients diagnosed with psoriasis. Patients with IL-23 or IL-12/23 inhibitors treatment were included and propensity score matched. The primary outcome was the incidence of arthropathic psoriasis, analyzed using a Cox regression hazard model and Kaplan-Meier estimates. RESULTS: The study included matched cohorts of patients treated with IL-23 inhibitors (n=2,273) and IL-12/23 inhibitors (n=2,995). Cox regression analysis revealed no significant difference in the cumulative incidence of arthropathic psoriasis between the IL-23i and IL-12/23i cohorts (p = 0.812). Kaplan-Meier estimates confirmed similar cumulative incidences of arthropathic psoriasis in both cohorts over the study period. LIMITATION: Long-term follow-up studies are required to understand more of the effects of these interleukin inhibitors. CONCLUSION: No significant difference but a numerically lower risk of PsA in PsO patients treated with IL-23 inhibitors than with IL-12/23 inhibitors, underscoring their comparable efficacy in PsO management and follow-up.
RESUMO
Introduction: To verify our hypothesis that psoriatic arthritis (PsA) is mainly genetically predetermined and distinct from psoriasis (PsO), we use the TriNetX database to investigate whether intrinsic factors outweigh externals in PsA emergence in PsO patients. Methods: We conducted three retrospective cohort studies utilizing information from the TriNetX network, whether (a) PsO patients with type 2 diabetes mellitus (DM) face an elevated risk of developing PsA compared to those without type 2 DM; (b) PsO patients who smoke face a higher risk of PsA; and (c) PsO patients with type 2 DM who smoke are more likely to develop PsA than those who do not smoke. Results: PsO patients with type 2 DM exhibited an elevated risk of developing PsA [hazard ratio (HR), 1.11; 95% CI 1.03-1.20], with the combined outcome demonstrating a heightened HR of 1.31 (95% CI 1.25-1.37). PsO patients with a smoking history exhibited an elevated risk of developing PsA (HR, 1.11; 95% CI 1.06-1.17), with the combined outcome demonstrating a heightened HR of 1.28 (95% CI 1.24-1.33). PsO patients with type 2 DM and a history of smoking were not found to be associated with an increased risk of developing PsA (HR, 1.05; 95% CI 0.92-1.20). However, the combined result revealed a higher risk of 1.15 (95% CI 1.06). Discussion: These findings suggested that intrinsic factors outweigh external factors in PsA emergence in PsO patients. Further studies may focus on genetic disparities between PsO and PsA as potential risk indicators rather than solely on phenotypic distinctions.