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Humby F, Kelly S, Bugatti S, Manzo A, Filer A, Mahto A, Fonseca JE, Lauwerys B, D'Agostino MA, Naredo E, Lories R, Montecucco C, Tak PP, Fitzgerald O, Smith MD, Veale DJ, Choy EH, Strand V, Pitzalis C. Evaluation of Minimally Invasive, Ultrasound-guided Synovial Biopsy Techniques by the OMERACT Filter--Determining Validation Requirements. J Rheumatol 2015; 43:208-13. [PMID: 26034155 DOI: 10.3899/jrheum.141199] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Because limited data currently support the clinical utility of peripherally expressed biomarkers in guiding treatment decisions for patients with rheumatoid arthritis, the search has turned to the disease tissue. The strategic aim of the Outcome Measures in Rheumatology (OMERACT) synovitis working group over the years has been to develop novel diagnostic and prognostic synovial biomarkers. A critical step in this process is to refine and validate minimally invasive, technically simple, robust techniques to sample synovial tissue, for use both in clinical trials and routine clinical practice. The objective of the synovitis working group (SWG) at OMERACT 12 (2014) was to examine whether recently developed ultrasound (US)-guided synovial biopsy techniques could be validated according to the OMERACT filter for future clinical use recommendation. METHODS The SWG examined whether current data reporting US-guided synovial biopsy of both large and small joints addressed the OMERACT filters of truth, discrimination, and feasibility. RESULTS There are currently limited data examining the performance of US-guided synovial biopsy, mainly from observational studies. Thus, it remains critical to evaluate its performance, within the clinical trials context, against the current gold standard of arthroscopic biopsy, with particular reference to: (1) synovial tissue yield, (2) capacity to determine treatment response as measured by a validated synovial biomarker, and (3) tolerability of the procedure. CONCLUSION We summarize the discrete work packages agreed to as requirements to validate US-guided synovial biopsy and therefore lead to a global consensus on the use of synovial biopsy for research and clinical practice.
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Affiliation(s)
- Frances Humby
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Stephen Kelly
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Serena Bugatti
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Antonio Manzo
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Andrew Filer
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Arti Mahto
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Joao Eurico Fonseca
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Bernard Lauwerys
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Maria-Antonietta D'Agostino
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Esperanza Naredo
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Rik Lories
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Carlomaurizio Montecucco
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Paul Peter Tak
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Oliver Fitzgerald
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Malcolm D Smith
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Douglas J Veale
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Ernest H Choy
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Vibeke Strand
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
| | - Costantino Pitzalis
- From the Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute at Barts, and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK; Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation/University of Pavia, Pavia, Italy; Rheumatology Research Group, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham, UK; Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, and Rheumatology Department, Lisbon Academic Medical Centre, Lisbon, Portugal; Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain and Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Rheumatology Department, Ambroise Paré Hospital, APHP, Université Versailles Saint Quentin en Yvelines, Inserm U987, Boulogne-Billancourt, France; Rheumatology Department, Hospital Universitario Severo Ochoa, Madrid, Spain; Laboratory for Skeletal Development and Joint Disorders, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; University of Cambridge, Cambridge, UK; GlaxoSmithKline Research and Development, Stevenage, UK; School of Medicine and Medical Science, St. Vincent's University Hospital, Dublin, Ireland; Rheumatology Research Unit, Repatriation General Hospital, Daw Park, South Australia; Dublin Academic Medical Centre, The Conway Institute of Biomedical and Biomolecular Research, University College Dublin, Dublin, Ireland; Cardiff Institute of Infection and Immunity, Cardiff Regional Experimental Arthritis Treatment and Evaluation Centre, Cardiff, UK; Division of Immunology/Rheumatology, Stanford University School of Medicine, Stanford, California, USA.F. Humby, MRCP; S. Kelly, MRCP, Centre for Experimental Medicine and Rheumatology, William Harvey Research Ins
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