Michielsens, Celia A J Dose reduction and withdrawal strategy for TNF-inhibitors in psoriatic arthritis and axial spondyloarthritis: design of a pragmatic open-label, randomised, non-inferiority trial. [electronic resource] - Trials Jan 2020 - 90 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1745-6215 Standard No.: 10.1186/s13063-019-4000-5 doi Subjects--Topical Terms: Adalimumab--adverse effectsAdolescentAdultAntibodies, Monoclonal--adverse effectsArthritis, Psoriatic--drug therapyBayes TheoremCase-Control StudiesCost-Benefit AnalysisDose-Response Relationship, DrugEtanercept--adverse effectsFollow-Up StudiesHumansInfliximab--adverse effectsNetherlands--epidemiologyQuality of LifeResearch DesignSeverity of Illness IndexSpondylarthritis--drug therapyTumor Necrosis Factor Inhibitors--adverse effectsYoung Adult