High disease relapse after bDMARD spacing in psoriatic arthritis compared to rheumatoid arthritis and axial spondyloarthritis patients: real-life data from BIOPURE registry
- 16 April 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Clinical Rheumatology
- Vol. 40 (9), 1-7
- https://doi.org/10.1007/s10067-021-05728-1
Abstract
The objective is to evaluate the effectiveness of a spacing strategy of bDMARDs in a cohort of selected patients in disease remission or low-disease activity (LDA) without glucocorticoids affected with rheumatoid arthritis (RA), psoriatic arthritis (PsA) and axial spondyloarthritis (axSpA). This was a single-centre study carried out on patients prospectively enrolled in the biologic Apulian registry. Patients whose disease was in remission or LDA without taking glucocorticoids during the previous 6 months and who had agreed to increase the time interval between bDMARD doses were included in this study. Demographic and clinical characteristics were recorded at baseline and at 3, 6 and 12 months of follow-up. Endpoint of the study was the survival of spacing doses in the time lag of the study. Failure of spacing was defined as the first flare of disease. Thirty-seven RA, 28 PsA and 20 axSpA patients underwent bDMARD spacing according to a local strategy. During the follow-up, 5 RA, 6 PsA and 4 axSpA patients had a joint flare, but further 5 PsA patients manifested a skin relapse. Global persistence was 86.5% for RA (MST = 41 (95% CI: 37–45) months) and 80% for axSpA patients (MST = 36 (95% CI: 31–42) months). PsA patients showed a lower persistence, being of 60.7% (MST = 30 (95% CI: 23–36) months) (log-rank test, p = 0.03). Dose reduction by spacing bDMARD doses may be a feasible approach in patients with persistent remission/LDA activity. However, PsA patients might have greater odds of spacing failure because of skin psoriasis relapse. Key Points • Spacing of bDMARDs may be a feasible strategy for some patients with rheumatoid arthritis, psoriatic arthritis and axial spondyloarthritis who achieve the target and withdrawn glucocorticoids. • Psoriatic arthritis patients showed lower persistence because of both articular and skin relapses.This publication has 17 references indexed in Scilit:
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