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  • Title: TNFi-induced sustained clinical remission in peripheral spondyloarthritis patients cannot be maintained with a step-down strategy based on methotrexate.
    Author: Carron P, De Craemer AS, Renson T, Colman R, Elewaut D, Van den Bosch F.
    Journal: Rheumatology (Oxford); 2021 Oct 02; 60(10):4880-4883. PubMed ID: 33471112.
    Abstract:
    OBJECTIVES: Treatment with golimumab monotherapy in early peripheral SpA (pSpA) results in higher rates of clinical remission compared with treatment in more longstanding disease. When reaching remission, treat-to-target recommendations suggest tapering of treatment. We therefore explored whether addition of MTX would permit discontinuation of golimumab in patients with pSpA in sustained clinical remission. METHODS: After a 2-year extension phase with golimumab treatment, patients with pSpA reaching clinical remission in the CRESPA trial were offered a tapering strategy leading to discontinuation of golimumab and replacement by MTX monotherapy. Patients were prospectively followed to assess the rate of sustained biologic-free clinical remission. In case of relapse of arthritis, enthesitis or dactylitis under MTX monotherapy, golimumab was restarted. RESULTS: Of the original 60 pSpA patients, 25 entered the step-down strategy. Currently, only 4 patients (16%) are still in sustained remission under MTX monotherapy. In 21 patients (84%), golimumab was reinstalled because of relapse of disease activity (n = 19) or development of adverse events related to MTX (n = 2). Restarting golimumab treatment promptly restored clinical remission in all patients within 12 weeks. CONCLUSION: In patients with early pSpA achieving clinical remission after 2 years of golimumab treatment, step-down therapy to monotherapy with MTX led to high rates of clinical relapse. This underscores the overall weak efficacy of MTX in maintaining clinical remission in pSpA. TRIAL REGISTRATION: ClinicalTrials.gov, https://clinicaltrials.gov, NCT01426815.
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