Dose reduction and withdrawal strategy for TNF-inhibitors in psoriatic arthritis and axial spondyloarthritis: design of a pragmatic open-label randomised non-inferiority trial

摘要

Standard protocol items: recommendation for interventional trials (SPIRIT) figure: trial visits and assessments. *Schedule of enrolment, time point in months. Patients visit the outpatient clinic every 3 months and if necessary extra visits are warranted. TNFi, tumour necrosis factor inhibitor