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Navarro-Compán V, Benavent D, Capelusnik D, van der Heijde D, Landewé RB, Poddubnyy D, van Tubergen A, Baraliakos X, Van den Bosch FE, van Gaalen FA, Gensler L, López-Medina C, Marzo-Ortega H, Molto A, Pérez-Alamino R, Rudwaleit M, van de Sande M, Sengupta R, Weber U, Ramiro S. ASAS consensus definition of early axial spondyloarthritis. Ann Rheum Dis 2023:ard-2023-224232. [PMID: 37321799 DOI: 10.1136/ard-2023-224232] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/30/2023] [Indexed: 06/17/2023]
Abstract
OBJECTIVES To develop a consensual definition for the term 'early axial spondyloarthritis-axSpA'-and 'early peripheral spondyloarthritis-pSpA'. METHODS The ASAS (Assessment of SpondyloArthritis international Society-Spondyloarthritis EARly definition) steering committee convened an international working group (WG). Five consecutive steps were followed: (1) systematic literature review (SLR); (2) discussion of SLR results within the WG and ASAS community; (3) a three-round Delphi survey inviting all ASAS members to select the items that should be considered for the definition; (4) presentation of Delphi results to the WG and ASAS community and (5) ASAS voting and endorsement (2023 annual meeting). RESULTS Following the SLR, consensus was to proceed with an expert-based definition for early axSpA (81% in favour) but not for pSpA (54% against). Importantly, early axSpA should be based on symptom duration taking solely axial symptoms into account. 151-164 ASAS members participated in the Delphi surveys. Consensus was achieved for considering the following items within early axSpA definition: duration of symptoms ≤2 years; axial symptoms defined as cervical/thoracic/back/buttock pain or morning stiffness; regardless of the presence/absence of radiographic damage. The WG agreed that in patients with a diagnosis of axSpA 'early axSpA' should be defined as a duration of ≤2 years of axial symptoms. Axial symptoms should include spinal/buttock pain or morning stiffness and should be considered by a rheumatologist as related to axSpA. The ASAS community endorsed this proposal (88% in favour). CONCLUSIONS Early axSpA has newly been defined, based on expert consensus. This ASAS definition should be adopted in research studies addressing early axSpA.
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Affiliation(s)
| | - Diego Benavent
- Rheumatology, La Paz University Hospital, Madrid, Spain
- IdiPAZ, Madrid, Spain
| | - Dafne Capelusnik
- Universiteit Maastricht Care and Public Health Research Institute, Maastricht, The Netherlands
- Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | | | - Robert Bm Landewé
- Department of Rheumatology & Clinical Immunology, Amsterdam University Medical Centres, Duivendrecht, The Netherlands
- Rheumatology, Zuyderland Medical Centre Heerlen, Heerlen, The Netherlands
| | - Denis Poddubnyy
- Department of Gastroenterology, Infectious Diseases and Rheumatology, Charite Universitatsmedizin Berlin, Berlin, Germany
- German Rheumatism Research Center, Berlin, Germany
| | - Astrid van Tubergen
- Maastricht University Care and Public Health Research Institute, Maastricht, The Netherlands
- Rheumatology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Xenofon Baraliakos
- Rheumatology, Rheumazentrum Ruhrgebiet, Herne, Germany
- Ruhr-Universitat Bochum, Bochum, Germany
| | - Filip E Van den Bosch
- Internal Medicine and Pediatrics, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
- Ghent University, Gent, Belgium
| | | | - Lianne Gensler
- Medicine, Division of Rheumatology, University of California, San Francisco, California, USA
| | - Clementina López-Medina
- Rheumatology, Reina Sofia University Hospital, Cordoba, Spain
- Maimonides Biomedical Research Institute of Cordoba, Cordoba, Spain
| | - Helena Marzo-Ortega
- Rheumatology, Leeds Biomedical Research Centre, Leeds, UK
- University of Leeds Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | - Anna Molto
- APHP, INSERM U-1158, Rheumatology, Hospital Cochin, Paris, France
- Center of Research in Epidemiology and Statistics Sorbonne Paris Cité, Paris, France
| | | | - Martin Rudwaleit
- Internal Medicine and Rheumatology, Klinikum Bielefeld Rosenhohe, Bielefeld, Germany
| | - Marleen van de Sande
- Department of Rheumatology and Clinical Immunology, University of Amsterdam, Amsterdam, The Netherlands
| | - Raj Sengupta
- Rheumatology, Royal National Hospital for Rheumatic Diseases, Bath, UK
| | - Ulrich Weber
- Practice Buchsbaum, Rheumatology, Schaffhausen Hospitals, Schaffhausen, Switzerland
| | - Sofia Ramiro
- Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
- Rheumatology, Zuyderland Medical Centre Heerlen, Heerlen, The Netherlands
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