Non-inferiority of dose reduction versus standard dosing of TNF-inhibitors in axial spondyloarthritis

ObjectiveThe objective was to determine if dose reduction is non-inferior to full-dose TNFi to maintain low disease activity (LDA) in patients already in remission with TNFi, in axial spondyloarthritis.MethodsRandomized, parallel, non-inferiority, open-label multicentre clinical trial. Patients were...

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Detalles Bibliográficos
Autores: Gratacos, J, Pontes, C, Juanola, X, Sanz, J, Torres, F, Avendano, C, Vallano, A, Calvo, G, de Miguel, E, Sanmarti, R, Almirall, M, Aparicio, M, Sellas, A, Vives, R, Albinana, N, Moreno, M, Clavaguera, T, Torre-Alonso, JC, Veroz, R, Rodriguez-Lozano, C, Linares, LF, Urruticoechea, A, Collantes, E, Morla, RM, Reina, D, Cuende, E, Zarco, P, Fernandez-Espartero, MC, Garcia-Vicuna, R, Montilla, CA, Villalba, A, Pascual, D, Campos, C, Juan, A, Ariza, R, Diaz-Miguel, C, Maqueda, M, Fernandez-Dapica, MP, Fernandez-Prada, M, Batlle, E, Gonzalez-Fernandez, C, Queiro, R
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:Institut d'Investigació i Innovació Parc Taulí (I3PT)
Repositorio:r-I3PT. Repositorio Institucional Producción Científica del Institut d'Investigació i Innovació Parc Taulí
OAI Identifier:oai:i3pt.fundanetsuite.com:p3084
Acceso en línea:https://i3pt.portalinvestigacion.com/publicaciones/3084
Access Level:acceso abierto
Palabra clave:Spondyloarthritis
Dose-tapering
Non-inferiority
TNF inhibitors
Descripción
Sumario:ObjectiveThe objective was to determine if dose reduction is non-inferior to full-dose TNFi to maintain low disease activity (LDA) in patients already in remission with TNFi, in axial spondyloarthritis.MethodsRandomized, parallel, non-inferiority, open-label multicentre clinical trial. Patients were eligible if they had axial spondyloarthritis and had been in clinical remission for 6months with any available TNFi (adalimumab, etanercept, infliximab, golimumab) at the dose recommended by product labelling. Patients were randomized by automated central allocation to continue the same TNFi dose schedule, or to reduce the dose by roughly half according to the protocol. The main outcome was the proportion of subjects with LDA after 1year. Serious adverse reactions or infections were recorded.ResultsThe trial stopped due to end of the funding period, after 126 patients were randomized; 113 patients (84.1% male, mean age (SD) 45.6 (13.0) years) were included in the main per-protocol subset. Non-inferiority was concluded for LDA at 1year (47/55 (83.8%) patients in the full-dose and 48/58 (81.3%) patients in the reduced-dose arm, adjusted difference (95% CI) -2.5% (-16.6% to 11.7%)). Serious adverse reactions or infections were reported in 7/62 patients (11.3%) assigned to full dose and 2/61 patients (3.3%) assigned to reduced dose (p value=0.164).ConclusionIn patients with ankylosing spondylitis in clinical remission for at least 6months, dose reduction is non-inferior to full TNF inhibitor doses to maintain LDA after 1year. Serious adverse events may be less frequent with reduced doses.Trial registrationEU Clinical Trials Registry, EudraCT 2011-005871-18 and ClinicalTrials.gov, NCT01604629.

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