Publications by authors named "Mart van de Laar"

Article Synopsis
  • The study compares the effectiveness of baricitinib and TNF-inhibitors (TNFi) in treating rheumatoid arthritis (RA) patients who did not respond to conventional treatments.
  • A total of 199 patients were randomized, showing baricitinib to be both non-inferior and superior in achieving meaningful clinical responses at 12 weeks, with a higher percentage of patients reaching specified disease activity targets compared to TNFi.
  • The results suggest that baricitinib may be a more effective initial treatment option than TNFi for RA patients who have failed previous therapies, based on the outcomes measured over 48 weeks.
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Objectives: Fatigue is prevalent in people with inflammatory rheumatic and musculoskeletal diseases (I-RMDs) and recognised as one of the most challenging symptoms to manage. The existence of multiple factors associated with driving and maintaining fatigue, and the evidence about what improves fatigue has led to a multifaceted approach to its management. However, there are no recommendations for fatigue management in people with I-RMDs.

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Objective: Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used to treat pain and rheumatic conditions. To facilitate patient management, we determined the predictive value of gastrointestinal (GI) symptoms and risk factors for the development of NSAID-associated GI injuries.

Methods: Post-hoc analysis of pooled data from naproxen treatment arms of two identical, randomized, double-blind, controlled phase 3 trials in arthritis patients at risk of GI adverse events.

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Article Synopsis
  • Fatigue is a frequent issue in rheumatoid arthritis (RA) patients, and this study evaluated how pain and disease activity impact fatigue relief in two clinical trials using the drug baricitinib.
  • The trials, RA-BEAM and RA-BEACON, compared baricitinib with adalimumab and assessed their effects on fatigue, disease activity, and pain in RA patients with inadequate responses to previous treatments.
  • Results showed that both drugs significantly improved fatigue, and the improvements were largely linked to reductions in pain and disease activity, highlighting the importance of managing these factors for better fatigue outcomes.
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Objectives: To assess the cost-effectiveness of various combinations of urate lowering therapy (ULT) and anti-inflammatory treatment in the management of newly diagnosed gout patients, from the Dutch societal perspective.

Methods: A probabilistic patient-level simulation estimating costs and quality-adjusted life years (QALYs) comparing gout and hyperuricemia treatment strategies was performed. ULT options febuxostat, allopurinol and no ULT were considered.

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Background: Previous research has shown an unclear and inconsistent association between fatigue and disease activity in patients with rheumatoid arthritis (RA). The aim of this study was to explore differences in "between-person" and "within-person" associations between disease activity parameters and fatigue severity in patients with established RA.

Methods: Baseline and 3-monthly follow-up data up to one-year were used from 531 patients with established RA randomized to stopping (versus continuing) tumor necrosis factor inhibitor treatment enrolled in a large pragmatic trial.

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This expert opinion article explores the strategy of adopting a holistic approach to the management of rheumatoid arthritis (RA) by incorporating the wellness practices of exercise, optimised sleep, optimised nutrition, mindfulness, social connectedness and positive emotions into the management plan. The aim is to attain optimal health for each patient beyond that achievable by limiting disease management to pharmacological treatment to attain the lowest achievable composite scores of disease activity, as recommended with the current treat-to-target approach, and addressing the recent recognition of pain control as a key patient-reported outcome. Incorporating wellness practices into a busy clinical setting requires creativity and customisation based on the individual practice setting and the individual needs of each patient.

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Objective: To evaluate the effect of an intervention to improve disease activity-based management of RA in daily clinical practice by addressing patient level barriers.

Methods: The DAS-pass strategy aims to increase patients' knowledge about DAS28 and to empower patients to be involved in treatment (decisions). It consists of an informational leaflet, a patient held record and guidance by a specialized rheumatology nurse.

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Objective: The systematic development of an intervention to improve disease activity-based management of rheumatoid arthritis (RA) in daily clinical practice that is based on patient-level barriers.

Methods: The self-management strategy was developed through a step-wise approach, in a process of co-design with all stakeholders and by addressing patient level barriers to RA management based on disease activity.

Results: The resulting DAS-pass strategy consists of decision supportive information and guidance by a specialised rheumatology nurse.

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Objectives: Despite availability of efficacious treatments, unmet needs still exist, preventing optimal and comprehensive management of rheumatoid arthritis (RA). Evolving the management of RA (eRA) is a European-wide educational initiative aiming to support improved patient care through practical and educational tools addressing specific unmet needs.

Methods: A multidisciplinary Steering Committee (17 members, 12 countries) identified unmet needs within the management of RA and prioritised those with the greatest impact on patient outcomes.

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Objective: To identify and describe health literacy profiles of patients with rheumatic diseases and explore whether the identified health literacy profiles can be generalized to a broader rheumatology context.

Methods: Patients with rheumatoid arthritis, spondyloarthritis, and gout from 3 hospitals in different regions in The Netherlands completed the Health Literacy Questionnaire (HLQ). Hierarchical cluster analysis was used to identify patients' health literacy profiles based on 9 HLQ domains.

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Objective: As part of European League against Rheumatism (EULAR)/European Musculoskeletal Conditions Surveillance and Information Network, 20 user-focused standards of care (SoCs) for rheumatoid arthritis (RA) addressing 16 domains of care were developed. This study aimed to explore gaps in implementation of these SoCs across Europe.

Methods: Two cross-sectional surveys on the importance, level of and barriers (patients only) to implementation of each SoC (0-10, 10 highest) were designed to be conducted among patients and rheumatologists in 50 European countries.

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Objective: The aim was to develop two disease- and treatment-related knowledge about RA (DataK-RA) short forms using item response theory-based linear optimal test design.

Methods: We used the open source Excel add-in solver to program a linear optimization algorithm to develop two short forms from the DataK-RA item bank. The algorithm was instructed to optimize precision (i.

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Objective: To evaluate the nature and burden of residual disease in rheumatoid arthritis (RA) in patients who meet treatment targets. Second, for those who did not meet targets, to evaluate how much is due to patient symptoms.

Methods: Prospective and retrospective studies were searched in Medline, Embase, and Cochrane Library in the English language from January 1, 2008 to April 18, 2018; conference abstracts (from January 2016 to April 2018) and reference lists of relevant studies were also screened.

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Background: Baricitinib is a janus kinase (JAK1/JAK2) inhibitor developed for the treatment of patients suffering from rheumatoid arthritis (RA). Treating RA to the target of remission is current common practice. Cost-effectiveness of different treat-to-target (T2T) strategies, especially ones including new treatments is important for development and preference policy for treatment centers.

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Objective: As young people enter adulthood, the interchangeable use of child and adult outcome measures may inaccurately capture changes over time. This study aimed to use item response theory (IRT) to model a continuous score for functional ability that can be used no matter which questionnaire is completed.

Methods: Adolescents (ages 11-17 years) in the UK Childhood Arthritis Prospective Study (CAPS) self-completed an adolescent Childhood Health Assessment Questionnaire (CHAQ) and a Health Assessment Questionnaire (HAQ).

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To re-evaluate the adherence to clinical practice guidelines recommended disease activity-based management of rheumatoid arthritis (RA) in daily clinical practice, among Dutch rheumatologists in the past decade. In 2007, disease activity was measured in only 16% of outpatient visits. All rheumatologists that participated in the 2007 study were invited to re-enter our study in 2016/2017.

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Article Synopsis
  • The study investigated how the activity level of early rheumatoid arthritis (RA) patients relates to radiographic damage over three years, focusing on a group treated with a targeted therapy approach.
  • Data from 229 patients showed that disease activity scores (DAS28-ESR) were weakly correlated with radiographic progression at various follow-up points, indicating that higher disease activity does not consistently predict worse joint damage.
  • Despite the overall weak correlations, the analysis revealed that individual changes in disease activity and the related joint damage over time were connected, suggesting personalized patterns in radiographic progression among patients.
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Patient-reported outcome measures are commonly used in the assessment of patients with musculoskeletal diseases. The present review provides an overview of historic and recent developments, including core set recommendations for assessing patient-reported outcomes in patients with fibromyalgia, osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, and psoriatic arthritis. The evidence supporting commonly used patient-reported outcomes measures is reviewed.

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Introduction: This survey assessed the impact of rheumatoid arthritis (RA) on the lives of patients based on the perceptions of both patients and healthcare professionals (HCPs).

Methods: This is a cross-sectional survey of patients with RA. Data were collected from patients and HCPs who manage RA using a structured, closed-ended questionnaire in their local language.

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The next step in the treatment of immune diseases: jakinibs, inhibitors of the intracellular Janus kinase The intracellular Janus kinase (JAK) and the signal transduction and activator of transcription (STAT) proteins are involved in the whole spectrum of immune-mediated diseases. Currently, agents are developed that influence the JAK-STAT mechanism. JAK inhibitors (jakinibs) have only recently made their way into clinical practice.

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Background: The aim of this study was to identify predictors of prolonged disease control after discontinuation of tumor necrosis factor inhibitor (TNFi) treatment in patients with rheumatoid arthritis (RA).

Methods: Post-hoc analysis of 439 RA patients (67.3% rheumatoid factor positive) with longstanding RA in remission or with stable low disease activity, randomized to stopping TNFi treatment in the multicenter POET trial.

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Objective: To develop and test the usability and acceptability of a disease-specific integrated electronic health (eHealth) system for spondyloarthritis (SpA) in the Netherlands ('SpA-Net').

Methods: SpA-Net was developed in four phases. First, content and design were discussed with experts on SpA and patients.

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Objective: To retrospectively compare the long-term clinical, functional, and cost outcomes for early RA patients (symptoms < 1 year) who did or did not achieve early remission in a treat-to-target strategy.

Method: Five-year data of 471 patients included in the DREAM remission induction cohort were used. Patients were treated according to a pre-specified 28-joint Disease Activity Score (DAS28) remission driven step-up treatment strategy starting with methotrexate, addition of sulfasalazine, and exchange of sulfasalazine for biological medication in case of failure.

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Objective: To assess psychometric properties and cross-language measurement equivalence of six versions of the Bristol Rheumatoid Arthritis Fatigue Scale (BRAF-MDQ) and the Rheumatoid Arthritis Impact of Disease Score (RAID in rheumatoid arthritis (RA).

Methods: Both questionnaires were completed by French (n = 206), German (n = 206), Dutch (n = 317), Spanish (n = 157), Swedish (n = 170) and UK (n = 210) RA patients. The presence of cross-language differential item functioning (DIF) was examined using the generalized partial credit model.

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