Publications by authors named "Fabian Proft"

Objectives: In this post-hoc analysis of ESTHER trial, we aimed to investigate the longitudinal relationship between inflammation on MRI and the achievement of inactive disease/low disease activity in patients with axial spondyloarthritis (axSpA) treated with long-term tumor necrosis factor (TNF) inhibitor etanercept.

Methods: Of the 76 patients with active axSpA in the ESTHER trial, we included all patients treated with etanercept for at least 6 months for main analysis. All clinical and MRI data from 4.

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Objectives: The objective of this study is to investigate lipopolysaccharid-binding protein (LBP), zonulin and calprotectin as markers of bacterial translocation, disturbed gut barrier and intestinal inflammation in patients with radiographic axial spondyloarthritis (r-axSpA) during tumour necrosis factor inhibitor (TNFi) therapy and to analyze the association between disease activity, response to treatment and biomarker levels.

Methods: Patients with active r-axSpA of the German Spondyloarthritis Inception Cohort starting TNFi were compared with controls with chronic back pain. Serum levels of LBP, zonulin and calprotectin were measured at baseline and after 1 year of TNFi therapy.

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Purpose: To examine whether incorporating anatomy-centred deep learning can improve generalisability and enable prediction of disease progression.

Methods: This retrospective multicentre study included conventional pelvic radiographs of four different patient cohorts focusing on axial spondyloarthritis collected at university and community hospitals. The first cohort, which consisted of 1483 radiographs, was split into training (n=1261) and validation (n=222) sets.

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The model advanced training regulations define the content of advanced training to achieve the qualification of medical specialist in internal medicine and rheumatology. There are currently no criteria for issuing the authorization in advanced training. This position paper describes the criteria proposed by the German Society for Rheumatology and Clinical Immunology (DGRh), which should be the foundation for the issuance of authorization for advanced training in the field of internal medicine and rheumatology and for the assessment of the duration.

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Spondyloarthritis (SpA) is a term to describe a group of chronic inflammatory rheumatic diseases, which have common pathophysiological, genetic, and clinical features. Under the umbrella term SpA, two main groups are subsumed: axial SpA (radiographic axSpA and non-radiographic axSpA) and peripheral SpA (with the leading representative being psoriatic arthritis (PsA) but also arthritis associated with inflammatory bowel disease (IBD), reactive arthritis, and undifferentiated pSpA). The key clinical symptom in axSpA is chronic back pain, typically with inflammatory characteristics, which starts in early adulthood, while the leading clinical manifestations of peripheral SpA (pSpA) are arthritis, enthesitis, and/or dactylitis.

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Introduction: Axial involvement in spondyloarthritis has significantly evolved from the original 1984 New York criteria for ankylosing spondylitis, leading to an improved understanding of axial spondyloarthritis (axSpA) as a disease continuum encompassing non- radiographic axSpA (nr-axSpA) and radiographic axSpA (r-axSpA). A clear definition for early axSpA has been established, underscoring the need for early intervention with biological and targeted synthetic drugs to mitigate pain, reduce functional impairment, and prevent radiographic progression.

Areas Covered: This review explores therapeutic strategies in axSpA management, focusing on biological and targeted synthetic therapies and recent advancements.

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Two years after its inception, Young Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (Y-GRAPPA) has established itself as a productive network for junior investigators and clinicians. The group's achievements in the last year include updating the educational GRAPPA slide library, the "Bring a Derm" campaign to expand the GRAPPA community to include more dermatologists, and the publication of multiple "Do Not Miss" newsletters covering the highlights on PsDs from the major international conferences (American Academy of Dermatology [AAD] Annual Meeting, European Alliance of Associations for Rheumatology [EULAR] Congress, European Academy of Dermatology and Venereology [EADV] Congress, and American College of Rheumatology [ACR] Convergence).

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At the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) 2023 annual meeting, members were updated on a number of ongoing activities during the key project update session. These activities included the Axial Involvement in Psoriatic Arthritis (AXIS) cohort, the Axial Psoriatic Arthritis Molecular and Clinical Characterization study, the Diagnostic Ultrasound Enthesitis Tool (DUET) study, the Sex- and Gender-Based Analysis of the Effectiveness of Advanced Therapies in Psoriatic Arthritis (SAGE-PsA) study, the Health Initiatives in Psoriasis and Psoriatic Arthritis Consortium European States (HIPPOCRATES), the GRAPPA slide library, and the GRAPPA treatment recommendations.

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Objectives: This study contributes to the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA)'s effort to define 'difficult-to-treat' PsA (D2T-PsA), leveraging insights of healthcare professionals who are GRAPPA members. The primary objective is to inform GRAPPA's D2T PsA project, ensuring the consensus definition reflects clinical experience and expertise.

Methods: An online survey was conducted among GRAPPA's healthcare professionals managing PsA patients.

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Objectives: Assuming SpA manifestations may vary among patients with different inflammatory bowel disease (IBD) subtypes, we explored the clinical characteristics associated with the presence of Crohn's disease (CD) or ulcerative colitis (UC) in patients with spondyloarthritis (SpA).

Methods: We included 3152 patients of ASAS-PerSpA study diagnosed with either axial SpA or peripheral SpA, according to their treating rheumatologist. Of these, 146 (4.

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Article Synopsis
  • The study aimed to identify lectin pathway proteins (LPPs) as potential biomarkers for diagnosing axial spondyloarthritis (axSpA) in patients with either newly diagnosed axSpA or chronic low back pain (cLBP).
  • Serum samples from 515 participants were analyzed, revealing significant differences in levels of certain proteins between axSpA patients and those with cLBP, particularly showing higher L-ficolin, MASP-2, and C3dg in axSpA patients.
  • The combination of HLA-B27 with specific LPP measurements enhanced the diagnostic specificity for axSpA, but this came at the cost of sensitivity; C3dg and MASP-3 were highlighted as important markers
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Article Synopsis
  • The study assessed how clinical information affects the accuracy of radiography and MRI interpretations for diagnosing axial spondyloarthritis (axSpA).
  • The analysis included 109 patients, with results showing higher precision for radiographs when clinical data was presented (70% to 78%).
  • Overall, providing clinical information improved radiologists' confidence and diagnostic precision, indicating its importance in interpreting imaging results.
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Objective: To assess the association of body composition, evaluated by bioimpedance analysis (BIA), with disease activity, physical function, and mobility in patients with axSpA undergoing bDMARD treatment for one year.

Methods: Patients with AS (radiographic axSpA) were enrolled in an extension of the German Spondyloarthritis Inception Cohort (GESPIC). Patients were required to be candidates for bDMARD therapy at baseline presenting high disease activity despite previous treatment with nonsteroidal anti-inflammatory drugs.

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Article Synopsis
  • Reliable interpretation of imaging findings is crucial for diagnosing axial spondyloarthritis (axSpA), and this study explored how experience level affects diagnostic accuracy using X-ray (XR), MRI, and CT.
  • The study analyzed 163 low back pain patients, dividing nine blinded readers into three experience groups to assess their ability to identify axSpA through imaging.
  • Results indicated that the most experienced readers performed best overall, especially with MRI, while CT and MRI were more effective for less experienced readers, highlighting that MRI requires more skill and experience for accurate diagnosis.
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Objective: To evaluate the association of nociplastic (NoP) and neuropathic pain (NP) components with residual symptoms in patients with radiographic axial spondyloarthritis (r-axSpA) receiving biological disease-modifying antirheumatic drugs (bDMARDs).

Methods: 78 patients with r-axSpA from the GErman SPondyloarthritis Inception Cohort receiving a bDMARD for at least 3 months were included in this analysis. The Widespread Pain Index (WPI) and the PainDETECT (PD) questionnaire were used to quantify the NoP and the NP components, respectively.

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Objective: To formulate evidence-based recommendations and overarching principles on the use of imaging in the clinical management of crystal-induced arthropathies (CiAs).

Methods: An international task force of 25 rheumatologists, radiologists, methodologists, healthcare professionals and patient research partners from 11 countries was formed according to the EULAR standard operating procedures. Fourteen key questions on the role of imaging in the most common forms of CiA were generated.

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Objectives: The study aimed to evaluate the effect of adding a non-steroidal anti-inflammatory drug (NSAID), celecoxib (CEL), to a tumour necrosis factor inhibitor (TNFi), golimumab (GOL), compared with TNFi monotherapy on radiographic spinal progression in patients with radiographic axial spondyloarthritis (r-axSpA) over 2 years.

Methods: R-axSpA patients, having risk factors for radiographic progression (high disease activity plus C reactive protein >5 mg/L and/or ≥1 syndesmophyte(s)), underwent a 12-week run-in phase with GOL 50 mg every 4 weeks. In the core phase (96 weeks), only patients with a good clinical response at week 12 were randomised (1:1) to GOL+CEL 200 mg two times per day (combination therapy) or GOL monotherapy.

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Article Synopsis
  • Conventional MRI has limitations in quantifying bone marrow lesions in axial spondyloarthritis due to variable signal intensities.
  • This study involved 62 patients undergoing both CT and MRI, with T1 mapping used to differentiate types of bone marrow lesions, including sclerosis, osteitis, and fat lesions.
  • T1 mapping showed significant differences in relaxation times for these lesions, achieving high accuracy in distinguishing them, but more development is needed to enhance the technique for mixed lesions before it can be used in clinical practice.
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Background: Psoriatic arthritis (PsA) is a multifaceted condition with a broad spectrum of manifestations and a range of associated comorbidities. A notable segment of patients with PsA remains resistant to even advanced therapeutic interventions. This resistance stems from myriad causes, including inflammatory and non-inflammatory factors.

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Axial spondyloarthritis (axSpA) is a chronic inflammatory disease of the spine and sacroiliac joints. This review discusses recent advances across multiple scientific fields that promise to transform axSpA management. Traditionally, axSpA was considered an immune-mediated disease driven by human leukocyte antigen B27 (HLA-B27), interleukin (IL)-23/IL-17 signaling, biomechanics, and dysbiosis.

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Article Synopsis
  • The study investigates how sex-specific differences affect the diagnosis of axial spondyloarthritis (axSpA) in women compared to men, which may lead to delays in diagnosis.
  • A total of 526 patients were analyzed for MRI findings related to axSpA, focusing on lesions like bone marrow edema and fat metaplasia.
  • Results showed that while active inflammatory lesions had similar diagnostic performance in both sexes, structural markers were less reliable in women, increasing the chances of false positives.
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Objectives: Early diagnosis of inflammatory arthritis is critical to prevent joint damage and functional incapacities. However, the discrepancy between recommendations of early diagnosis and reality is remarkable. The Rheuma-VOR study aimed to improve the time to diagnosis of patients with early arthritis by coordinating cooperation between primary care physicians, specialists and patients in Germany.

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  • The study aimed to assess how self-reported diagnostic confidence (DC) correlates with diagnostic accuracy in imaging for axial spondyloarthritis (axSpA) using X-rays, CT, and MRI.
  • Results showed that higher DC scores corresponded with accurate axSpA diagnoses across all imaging modalities, indicating a significant difference in scores for correct versus incorrect assessments.
  • The findings support the inclusion of self-reported DC in radiological reports to enhance the reliability of diagnoses in axSpA imaging.
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Objective: There is growing interest in the early identification of patients with axial PsA (axPsA). We aimed to evaluate whether a dermatology-based screening strategy could help to identify axPsA patients.

Methods: The dermatologist-centred screening (DCS) questionnaire was administrated by dermatologists to consecutive patients fulfilling the inclusion criteria [(i) age ≥18 years and (ii) clinical diagnosis of psoriasis made by a dermatologist] to identify patients eligible (affirmative answers 1-3c of the DCS) for rheumatological evaluation.

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