Publications by authors named "Mike de Jager"

Objective: The aim of the current study was to evaluate the 2-year cost-utility ratio between tapering conventional synthetic disease-modifying antirheumatic drugs (csDMARD) first followed by the tumour necrosis factor (TNF)-inhibitor, or vice versa, in patients with rheumatoid arthritis (RA).

Methods: Two-year data of the Tapering strategies in Rheumatoid Arthritis trial were used. Patients with RA, who used both a csDMARD and a TNF-inhibitor and had a well-controlled disease (disease activity score ≤2.

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Objective: Ultrasonography (US) can be used for treatment decisions in RA patients. This study investigated the added value of US to clinical variables in predicting flare in RA patients with longstanding low disease activity when stopping TNF inhibitors (TNFi).

Methods: Cox models with and without using US added to clinical variables were developed in the Potential Optimization of Expediency of TNFi-UltraSonography study.

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Objective: To evaluate direct and indirect costs per quality adjusted life year (QALY) for different initial treatment strategies in very early RA.

Methods: The 1-year data of the treatment in the Rotterdam Early Arthritis Cohort trial were used. Patients with a high probability (>70%) according to their likelihood of progressing to persistent arthritis, based on the prediction model of Visser, were randomized into one of following initial treatment strategies: (A) initial triple DMARD therapy (iTDT) with glucocorticoids (GCs) intramuscular (n = 91); (B) iTDT with an oral GC tapering scheme (n = 93); and (C) initial MTX monotherapy (iMM) with GCs similar to B (n = 97).

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Introduction: Ultrasonography (US) might have an added value to clinical examination in diagnosing early rheumatoid arthritis (RA) and assessing remission of RA. We aimed to clarify the added value of US in RA in these situations performing a systematic review.

Methods: A systematic literature search was performed for RA, US, diagnosis and remission.

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Objective: To evaluate the therapeutic and economic consequences of various disease activity indices (DAIs) in RA according to 1987 and 2010 criteria.

Methods: Data on disease activity states from all sustained visits were assessed from all patients who participate in the treatment in the Rotterdam Early Arthritis Cohort (tREACH) study, a stratified randomized trial to evaluate different treatment strategies in patients with a symptom duration of <1 year. Frequencies of treatment adaptations, based upon exclusive thresholds of various DAIs, were visualized in reclassification tables.

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Objective: To determine treatment preferences among patients with recent onset rheumatoid arthritis participating in a randomised controlled trial comparing four therapeutic strategies.

Methods: A questionnaire was sent to all 508 participants of the BeSt trial, treated for an average of 2.2 years with either sequential monotherapy (group 1), step-up combination therapy (group 2), initial combination therapy with tapered high-dose prednisone (group 3), or initial combination therapy with infliximab (group 4).

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