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Comparative effectiveness of cycling versus swapping to IL-17 inhibitors after first TNF inhibitor failure in Psoriatic Arthritis: A real-world multicenter study

Year: 2025
Type: article
Study design: Observational Study
Abstract: OBJECTIVE: The increase in biological disease-modifying antirheumatic drugs for psoriatic arthritis (PsA) made it possible to consider different mechanisms of action (MoA) after the failure of the first advanced-line therapy. However, there is still a lack of real-world evidence comparing the cycling (re-administration of a similar MoA) and the swap strategy. This retrospective observational study aims to evaluate the retention rate, as a proxy for effectiveness, of second-line therapeutic options after the failure of a TNF inhibitor (TNFi) by comparing cycling versus swap strategies. METHODS: PsA patients who failed the first-line TNFi and subsequently received either a TNFi or IL-17i were retrospectively selected from 25 centers. We collected demographic and disease-related data (disease duration, clinical phenotype, Disease Activity in Psoriatic Arthritis score), concomitant use of conventional synthetic disease-modifying antirheumatic drugs. Patients were categorized into cycling (second TNFi) (CG) or swapping (switch to IL-17i) (SG) groups. Kaplan-Meier survival curves were used to evaluate the retention rate, and a Cox regression analysis was performed to identify risk factors influencing treatment retention. RESULTS: In CG and SG there were 275 and 177 patients, respectively. Retention rate in SG was higher than in CG (p < 0.001). Treatment interruption predictors were cycling strategy (p < 0.001), Disease Activity in Psoriatic Arthritis (p = 0.013), prescription year (p = 0.016), axial (p = 0.013), mixed involvement (p = 0.001). CONCLUSION: The swap strategy showed higher treatment retention than cycling in PsA patients who failed the first-line TNFi. This finding supports the hypothesis that changing MoA may improve the chances of selecting the most effective PsA treatment. CLINICAL TRIAL NUMBER: Not applicable.
Language: English
Subfield: Rheumatology
Field: Medicine
Open Access status: gold
Estimated APC paid: $2,190
OpenAlex ID: W4416607736
FWCI: 1.257
Cites: 31
Cited by: 2
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