Frequency and characteristics of axial involvement in psoriatic arthritis: results from the International Multicentre AXIS Study
Axial involvement was identified in 27.4% of participants with PsA after final diagnostic assessment, with associated features including HLA-B*27 positivity, IBP, elevated CRP, and imaging changes in SIJ or spine.
Authors
- Marco Massarotti (ORCID: https://orcid.org/0000-0001-9603-2098)
- Ruxandra Elena Schiotis
- Marina Magrey (ORCID: https://orcid.org/0000-0002-6520-5619)
- Valderílio Feijó Azevedo (ORCID: https://orcid.org/0000-0002-2346-388X)
- Ajesh B. Maharaj (ORCID: https://orcid.org/0000-0002-9436-4328)
- Alejandra López-Rodríguez
- Nicholas Shenker (ORCID: https://orcid.org/0000-0002-9852-5811)
- Lianne S. Gensler (ORCID: https://orcid.org/0000-0001-6314-5336)
- Fabian Proft (ORCID: https://orcid.org/0000-0003-4306-033X)
- M. van Lunteren (ORCID: https://orcid.org/0000-0002-0601-4863)
- Sherry Rohekar (ORCID: https://orcid.org/0000-0001-8949-4198)
- Filippo Fagni (ORCID: https://orcid.org/0000-0002-6122-0774)
- Murat Torğutalp (ORCID: https://orcid.org/0000-0003-4600-9484)
- Roberto Ranza (ORCID: https://orcid.org/0000-0002-6855-2413)
- Victoria Navarro-Compán
- Ying Ying Leung
- Ricardo Acayaba de Toledo
- Ramasharan Laxminarayan
- Robert GW Lambert
- Raquel Almodóvar
- Kay Geert A Hermann
- Maria Llop
- Peter Nash
- Rodrigo Garcia-Salinas (ORCID: https://orcid.org/0000-0002-5928-1092)
- Torsten Diekhoff
- Nelly Ziade
- Dilek Solmaz
- Hernán Maldonado-Ficco
- Philip S Helliwell
- Alice B Gottlieb
- Dafna D Gladman
- Atul Deodhar
- Clementina López-Medina
- Walter P Maksymowych
- Ashish J Mathew
- Vinod Chandran
- Désirée van der Heijde
- Mikkel Østergaard
- Philip Mease
- Helena Marzo-Ortega
- Laura C Coates
- Xenofon Baraliakos
- Denis Poddubnyy
- Lai- Shan Tam
- Filip Van den Bosch
- Uta Kiltz
- Carlo Salvarani
- Francis Kynaston-Pearson
- Enrique R Soriano
- Joachim Sieper
- Alberto Floris
- Floris A van Gaalen
- James CC Wei
- Umut Kalyoncu
- Michele M Luchetti Gentiloni
- Mikhail Protopopov
- Niti Goel
- Jürgen Braun
Institutions
- Griffith University (AU)
- Marche Polytechnic University (IT)
- Universitat Autònoma de Barcelona (ES)
- Western University (CA)
- University of Leeds (GB)
- University Health Network (CA)
- Faculdade de Medicina de São José do Rio Preto (BR)
- University of Alberta (CA)
- Oregon Health & Science University (US)
- Duke University (US)
- University of Cagliari (IT)
- Christian Medical College, Vellore (IN)
- Chinese University of Hong Kong (HK)
- University of California, San Francisco (US)
- Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
- Saint Joseph University (LB)
- China Medical University (TW)
- University of Toronto (CA)
- Singapore General Hospital (SG)
- Izmir Kâtip Çelebi University (TR)
- University Hospitals of Cleveland (US)
- Leiden University Medical Center (NL)
- Ghent University Hospital (BE)
- Nuffield Orthopaedic Centre (GB)
- Glostrup Hospital (DK)
- Hospital Italiano de Buenos Aires (AR)
- Cambridge University Hospitals NHS Foundation Trust (GB)
- Copenhagen University Hospital (DK)
- Christchurch Hospital (NZ)
- University of Oxford (GB)
- Universitätsklinikum Erlangen (DE)
- Azienda Sanitaria Unità Locale di Reggio Emilia (IT)
- Rheumazentrum Ruhrgebiet (DE)
- Swedish Medical Center (US)
- Instituto Maimónides de Investigación Biomédica de Córdoba (ES)
- Spitalul Clinic CF Cluj-Napoca (RO)
- Hospital Universitario Fundación Alcorcón (ES)
- Chung Shan Medical University Hospital (TW)
- NIHR Leeds Musculoskeletal Biomedical Research Unit (GB)
- Hospital Italiano La Plata (AR)
- Queen's Hospital (GB)
- Hospital Civil de Guadalajara (MX)
- Duke-NUS Medical School (SG)
- China Medical University Hospital (TW)
- Krembil Foundation (CA)
- Institute of Research and Innovation Parc Tauli (ES)
- VIB-UGent Center for Inflammation Research (BE)
- University Hospitals of Derby and Burton NHS Foundation Trust (GB)
- Instituto Médico Río Cuarto (AR)
- Istituti di Ricovero e Cura a Carattere Scientifico (IT)
- University School (US)
- Universitätsklinikum Brandenburg an der Havel (DE)
- Krembil Research Institute
- Universidade Federal do Paraná (BR)
- University of Córdoba (ES)
- Case Western Reserve University (US)
- Hacettepe University (TR)
- Charité - Universitätsmedizin Berlin (DE)
- Universidade Federal de Uberlândia (BR)
- Walter Sisulu University (ZA)
- Icahn School of Medicine at Mount Sinai (US)
Publication Details
- Journal
- Annals of the Rheumatic Diseases
- Published
- 2026-03-01
- DOI
- https://doi.org/10.1016/j.ard.2026.02.025
- Primary Topic
- Spondyloarthritis Studies and Treatments
- Type
- article
- Field-Weighted Citation Impact
- 0.00