ASAS Publications

  • Bento da Silva A, Ramiro S, van Lunteren M, Marques ML, van de Sande M, Fongen C, Exarchou S, Ramonda R, van der Heijde D, van Gaalen FA. Baseline and 2-year differences in spinal symptoms and spinal and hip mobility in early axial spondyloarthritis and non-axial spondyloarthritis chronic back pain patients. RMD Open. 2024 Oct 26;10(4):e004713. (Open Access) PMID: 39461873
  • Bosch P, Sepriano A, Marques ML, van der Heijde D, Landewé R, van Lunteren M, de Bruin L, de Hooge M, Bastiaenen C, Exarchou S, Ramonda R, Fagerli KM, van Gaalen FA, Ramiro S. Change in different classes of chronic back pain suspicious of axial spondyloarthritis: a latent transition analysis of the SPACE cohort. RMD Open. 2024 Sep 30;10(3):e004584. (Open Access) PMID: 39349053
  • da Silva AB, Ramiro S, Boel A, van Lunteren M, Marques ML, van de Sande M, Fongen C, Exarchou S, Ramonda R, van der Heijde D, van Gaalen F. Do quality of life and work productivity change in early axial spondyloarthritis and non-axial spondyloarthritis patients after two years? Rheumatology (Oxford). 2024 Jun 27:keae346. [Epub ahead of print] (Open Access) PMID: 38937277.
  • Diekhoff T, Eshed I, Giraudo C, Haibel H, Hermann KGA, de Hooge M, Jans L, Jurik AG, Lambert RG, Machado P, Mallinson M, Maksymowych WP, Marzo-Ortega H, Navarro-Compán V, Ostergaard M, Pedersen SJ, Reijnierse M, Rudwaleit M, Sommerfleck F, Weber U, Baraliakos X, Poddubnyy D. Reporting sacroiliac joint imaging performed for known or suspected axial spondyloarthritis: Assessment of Spondyloarthritis International Society recommendations. Radiology 2024 Jun;311(3):e231786. PMID: 38860891
  • Rios-Rodriguez V, Duran TI, Torgutalp M, López-Medina C, Dougados M, Kishimoto M, Ono K, Protopopov M, Haibel H, Rademacher J, Poddubnyy D, Proft F. Comparing clinical profiles in spondyloarthritis with Crohn’s disease or ulcerative colitis: insights from the ASAS-PerSpA study. Rheumatol Adv Pract 2024 May 22;8(2):rkae064. PMID: 38807853
  • Fong W, Woon TH, Kwan YH, Braun J, van der Heijde D, Boonen A, Kiltz U. Comparison of the ASAS Health Index in patients classified as radiographic axial spondyloarthritis (axSpA) or non-radiographic axSpA in the ASAS Health Index international validation study. RMD Open 2024 Jan 31;10(1):e003794. PMID: 38296803
  • van der Heijde D, Molto A, Ramiro S, Braun J, Dougados M, van Gaalen FA, Gensler LS, Inman RD, Landewé RBM, Marzo-Ortega H, Navarro-Compán V, Phoka A, Poddubnyy D, Protopopov M, Reveille J, Rudwaleit M, Sampaio-Barros P, Sepriano A, Sieper J, van den Bosch FE, van der Horst-Bruinsma, Machado PM, Baraliakos X. Goodby to the term “ankylosing spondylitis”, hello “axial spondyloarthritis”: time to embrace the ASAS-defined nomenclature. Ann Rheum Dis 2024 Apr 11;83(5):547-549. PMID: 38071514
  • Santos H, Henriques AR, Machado PM, López-Medina C, Dougados M, Canhao H, Rodrigues AM, Pimentel-Santos FM. Determinants of health-related quality of life and global functioning and health in axSpA, pSpA and PsA: results from the ASAS-PerSpA study. Rheumatology (Oxford). 2023 Sep 21:kead503. [Online ahead of print] PMID: 37738594
  • Michelena X, Zhao SS, Marco-Pascual S, Almirall M, Collantes-Estévez E, Font-Ugalde P, López-Medina C, Wei JCC, Morgan AW, Rodríguez J, Juanola X, Vázquez-Mellado J, Marzo-Ortega H. Diagnostic delay is associated with uveitis and inflammatory bowel disease in AS: a study of extra-musculoskeletal manifestations in SpA. Rheumatology (Oxford) 2024 Feb 1;63(2):430-435 (Open Access) PMID 37184889
  • Ziegeler K, Ulas ST, Poddubnyy D, Proft F, Rios Rodriguez V, Rademacher J, Hermann KGA, Diekhoff T. Anatomical variation of the sacroiliac joint carries an increased risk for erosion and bone marrow oedema in axial spondyloarthritis. Rheumatoloy (Oxford) 2023 Mar 1;62(3):1117-1127. PMID: 35532084
  • Ulas ST, Proft F, Diekhoff T, Rios Rodriguez V, Rademacher J, Poddubnyy D, Ziegeler K. HLA-B27 status and inflammatory MRI lesions of the sacroiliac joints: a post hoc analysis in patients without axial spondyloarthritis. RMD Open 2023 Sep;9(3):e003357. PMID: 37739448.
  • Ulas ST, Proft F, Diekhoff T, Rios V, Rademacher J, Protopopov M, Greese J, Eshed I, Adams LC, Hermann KGA, Ohrndorf S, Poddubnyy D, Ziegeler K. Sex-specific diagnostic efficacy on MRI in axial spondyloarthritis: challenging the “One Size Fits All” notion. RMD Open 2023 Oct;9(4):e003252. PMID: 37899091
  • Chaudhary H, López-Medina C, Khan MA, Dougados M, Magrey M. Clinical profile and treatment utilisation based on HLA-B*27 status in axial spondyloarthritis: results from ASAS-PerSpA study. RMD Open 2023 Jul;9(3):e003179. PMID: 37491128
  • Bordner A, Aouad T, López-Medina C, Yang S, Molto A, Talbot H, Dougados M, Feydy A. A deep learning model for the diagnosis of sacroiliitis according to Assessment of SpondyloArthritis International Society classification criteria with magnetic resonance imaging. Diagn Interv Imaging 2023 Jul-Aug;104(7-8):373-383. PMID: 37012131
  • 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 Jun 15:ard-2023-224232. doi: 10.1136/ard-2023-224232. [Epub ahead of print]. PMID: 37321799.
  • Granados REM, Ladehesa-Pineda ML, Puche-Larrubia MÁ, Escudero-Contreras A, Dougados M, Collantes-Estevez E, López-Medina C. Enthesitis indices identify different patients with this characteristic in axial and peripheral spondyloarthritis and also in psoriatic arthritis: ASAS-PerSpA data. Arthritis Res Ther. 2023;25(1):99 (Open Access) PMID 37291655
  • Capelusnik D, Benavent D, van der Heijde D, Landewé R, Poddubnyy D, van Tubergen A, Falzon L, Navarro-Compán V, Ramiro S. Treating spondyloarthritis early: does it matter? Results from a systematic literature review. Rheumatology (Oxford). 2023 Apr 3;62(4):1398-1409. PMID: 36099043
  • Ramiro S, Nikiphorou E, Sepriano A, Ortolan A, Webers C, Baraliakos X, Landewé RB, van der Heijde D. Response to: Correspondence on “ASAS-EULAR recommendations for the management of axial spondyloarthritis: 2022 update” by Ramiro et al. Ann Rheum Dis. 2023 Mar 6:ard-2023-223937. [Epub ahead of print] PMID: 36878690
  • Kwan YH, Phang JK, Woon TH, Liew JW, Dubreuil M, Proft F, Ramiro S, Molto A, Navarro-Compán V, de Hooge M, Meghnathi B, Ziade N, Zhao SS, Llop M, Baraliakos X, Fong W. Social Media Use Among Members of the Assessment of Spondyloarthritis International Society: Results of a Web-Based Survey. J Med Internet Res. 2023;25:e39155 (Open Access) PMID 36626201
  • Arevalo-Salaet M, López-Medina C, Moreno M, Navarro-Compan V, Calvet Fontova J, Llop M, Dougados M, Gratacós J. Association between HLA-B27 and peripheral spondyloarthritis phenotype: results from the ASAS perSpA study. RMD Open. 2022;8(2):e002696. (Open Access) PMID: 36597968
  • Ladehesa-Pineda ML, Ortega-Castro R, Puche-Larrubia MÁ, Granados REM, Dougados M, Collantes-Estévez E, López-Medina C. Smoking and alcohol consumption are associated with peripheral musculoskeletal involvement in patients with spondyloarthritis (including psoriatic arthritis). Results from the ASAS-PerSpA study. Semin Arthritis Rheum. 2022;58:152146. PMID: 36516482
  • Ramiro S, Nikiphorou E, Sepriano A, Ortolan A, Webers C, Baraliakos X, Landewé RBM, Van den Bosch FE, Boteva B, Bremander A, Carron P, Ciurea A, van Gaalen FA, Géher P, Gensler L, Hermann J, de Hooge M, Husakova M, Kiltz U, López-Medina C, Machado PM, Marzo-Ortega H, Molto A, Navarro-Compán V, Nissen MJ, Pimentel-Santos FM, Poddubnyy D, Proft F, Rudwaleit M, Telkman M, Zhao SS, Ziade N, van der Heijde D. ASAS-EULAR recommendations for the management of axial spondyloarthritis: 2022 update. Ann Rheum Dis. 2023;82(1):19-34 (Open Access) PMID: 36270658
  • Webers C, Ortolan A, Sepriano A, Falzon L, Baraliakos X, Landewé RBM, Ramiro S, van der Heijde D, Nikiphorou E. Efficacy and safety of biological DMARDs: a systematic literature review informing the 2022 update of the ASAS-EULAR recommendations for the management of axial spondyloarthritis. Ann Rheum Dis. 2023;82(1):130-141. PMID: 36270657
  • Ortolan A, Webers C, Sepriano A, Falzon L, Baraliakos X, Landewé RB, Ramiro S, van der Heijde D, Nikiphorou E. Efficacy and safety of non-pharmacological and non-biological interventions: a systematic literature review informing the 2022 update of the ASAS/EULAR recommendations for the management of axial spondyloarthritis. Ann Rheum Dis. 2023;82(1):142-152 PMID: 36261247
  • Ono K, Kishimoto M, Deshpande GA, Fukui S, Kawaai S, Sawada H, Matsuura M, V Rios Rodriguez, Proft F, Tada K, Tamura N, Taniguchi Y, Hirata A, Kameda H, Tsuji S, Kaneko Y, Dobashi H, Okano T, Haji Y, Morita A, Okada M, Komagata Y, López-Medina C, Molto A, Dougados M, Hisamatsu T, Tomita T, Kaname S. Clinical characteristics of patients with spondyloarthritis and inflammatory bowel disease versus inflammatory bowel disease-related arthritis. Rheumatol Int 2022 Oct;42(10):1751-1766. PMID: 35532790
  • Benavent D, Capelusnik D, Ramiro S, Molto A, López-Medina C, Dougados M, Navarro-Compán V. Does gender influence outcome measures similarly in patients with spondyloarthritis? Results from the ASAS-perSpA study. RMD Open. 2022;8(2):e002514 PMID: 36096523
  • Llop M, Gratacós J, Moreno M, Arévalo M, Calvet J, Dougados M, López-Medina C. Uveitis in peripheral spondyloarthritis patients: an ancillary analysis of the ASAS-PerSpA study. Ther Adv Musculoskelet Dis. 2022;14:1759720X221119246. PMID: 36081747
  • Protopopov M, Proft F, Wichuk S, Machado PM, Lambert RG, Weber U, Juhl Pedersen S, Østergaard M, Sieper J, Rudwaleit M, Baraliakos X, Maksymowych WP, Poddubnyy D. Comparing MRI and conventional radiography for the detection of structural changes indicative of axial spondyloarthritis in the ASAS cohort. Rheumatology (Oxford). 2023;62(4):1631-1635 PMID: 35951746
  • Navarro-Compán V, Boel A, Boonen A, Mease PJ, Dougados M, Kiltz U, Landewé RBM, Baraliakos X, Bautista-Molano W, Chiowchanwisawakit P, Dagfinrud H, Fallon L, Garrido-Cumbrera M, Gensler L, ElZorkany BK, Haroon N, Kwan YH, Machado PM, Maksymowych W, Molto A, de Peyrecave N, Poddubnyy D, Protopopov M, Ramiro S, Song IH, van Weely S, van der Heijde D. Instrument selection for the ASAS core outcome set for axial spondyloarthritis. Ann Rheum Dis. 2023;82(6):763-772 PMID: 35680390
  • Fitzgerald GE, Maguire S, Lopez-Medina C, Dougados M, O’Shea FD, Haroon N. Tender to touch-Prevalence and impact of concomitant fibromyalgia and enthesitis in spondyloarthritis: An ancillary analysis of the ASAS PerSpA study. Joint Bone Spine. 2022 Nov;89(6):105420 (Open Access) PMID: 35636706
  • Baraliakos X, Østergaard M, Lambert RG, Eshed I, Machado PM, Pedersen SJ, Weber U, de Hooge M, Sieper J, Poddubnyy D, Rudwaleit M, van der Heijde D, Landewé RB, Maksymowych WP. MRI lesions of the spine in patients with axial spondyloarthritis: an update of lesion definitions and validation by the ASAS MRI working group. Ann Rheum Dis. 2022 May 24:annrheumdis-2021-222081. doi: 10.1136/annrheumdis-2021-222081. [Epub ahead of print] (Open Access) PMID: 35609977
  • Ziade N, Rassi J, Elzorkany B, Lopez-Medina C, Gamal SM, Hlais S, Dougados M, Baraliakos X. What is peripheral spondyloarthritis? Identifying proportion, phenotype and burden in post hoc analysis of the ASAS-PerSpA study. Semin Arthritis Rheum. 2022;55:152012. PMID: 35489171
  • Kiltz U, Wiatr T, Redeker I, Baraliakos X, Fedorov K, Braun J. Effects of patient and disease characteristics on global functioning in patients with axial spondyloarthritis in routine care. Semin Arthritis Rheum. 2022;55:152006. PMID: 35472664
  • Izci Duran T, Torgutalp M, Rios Rodriguez V, Proft F, López-Medina C, Dougados M, Poddubnyy D. The impact of psoriasis on the clinical characteristics, disease burden and treatment patterns of peripheral spondyloarthritis. Rheumatology (Oxford). 2022;62(1):135-146 PMID 35451472
  • Torgutalp M, Rios Rodriguez V, Proft F, Protopopov M, Verba M, Rademacher J, Haibel H, Sieper J, Rudwaleit M, Poddubnyy D. Treatment With Tumor Necrosis Factor Inhibitors Is Associated With a Time-Shifted Retardation of Radiographic Sacroiliitis Progression in Patients With Axial Spondyloarthritis: 10-Year Results From the German Spondyloarthritis Inception Cohort. Arthritis Rheumatol. 2022 Sep;74(9):1515-1523. PMID: 35437900
  • Pons M, Chevret S, Briot K, d’Agostino MA, Roux C, Dougados M, Molto A. Evaluation of long-term TNFi effectiveness after a first switch in early axial spondyloarthritis considering time-varying prescription bias: an inverse-probability weighting analysis of the DESIR cohort. RMD Open 2022;8(1):e001846 (Open Access). PMID: 35042728
  • Benavent D, Capelusnik D, van der Heijde D, Landewé R, Poddubnyy D, van Tubergen A, Falzon L, Ramiro S, Navarro-Compán V. How is early spondyloarthritis defined in the literature? Results from a systematic review. Semin Arthritis Rheum. 2022 Aug:55:152032. PMID: 35667332
  • Boel A, van Lunteren M, López-Medina C, Sieper J, van der Heijde D, van Gaalen FA. Geographical prevalence of family history in patients with axial spondyloarthritis and its association with HLA-B27 in the ASAS-PerSpA study. RMD Open. 2022 Mar;8(1):e002174 (Open Access) PMID: 35301267
  • Diekhoff T, Lambert R, Hermann KG. MRI in axial spondyloarthritis: understanding an ‘ASAS-positive MRI’ and the ASAS classification criteria. Skeletal Radiol. 2022 Sep;51(9):1721-1730 (Open Access) PMID 35199195
  • Marnas G, Bernardy C, Colę A, Bellier A, Chapuis P, Romand X, Gossec L, Lefèvre-Colau MM, Foltz V, Richette P, Dieude P, Molto A, Baillet A. Spine abnormalities associated with bone edema on sacroiliac joints MRI in patients with non-inflammatory chronic back pain. Joint Bone Spine 2022 Nov:89(6):105436. PMID: 35777553
  • Poddubnyy D, Baraliakos X, van den Bosch F, Braun J, Coates LC, Chandran V, Diekhoff T, van Gaalen FA, Gensler LS, Goel N, Gottlieb AB, van der Heijde D, Helliwell PS, Hermann KGA, Jadon D, Lambert RG, Maksymowych WP, Mease P, Nash P, Proft F, Protopopov M, Sieper J, Torgutalp M, Gladman DD. Axial Involvement in Psoriatic Arthritis cohort (AXIS): the protocol of a joint project of the Assessment of SpondyloArthritis international Society (ASAS) and the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA). Ther Adv Musculoskelet Dis. 2021; 13:1759720X211057975 (Open Access) PMID: 34987619
  • Kwan YH, Tan L, Tan CS, López-Medina C, Dougados M, Proft F, Rios-Rodriguez V, Phang JK, Chew EH, Østbye T, Thumboo J, Fong W. Elucidating the role of a positive family history in differentiating between axial and peripheral spondyloarthritis: an ancillary analysis of the ASAS-PerSpA study. Clin Exp Rheumatol. 2022;40(9):1762-1768 PMID: 34905484
  • López-Medina C, Chevret S, Molto A, Sieper J, Duruöz T, Kiltz U, Elzorkany B, Hajjaj-Hassouni N, Burgos-Vargas R, Maldonado-Cocco J, Ziade N, Gavali M, Navarro-Compan V, Luo SF, Biglia A, Tae-Jong K, Kishimoto M, Pimentel-Santos FM, Gu J, Muntean L, van Gaalen FA, Geher P, Magrey M, Ibáñez-Vodnizza SE, Bautista-Molano W, Maksymowych W, Machado PM, Landewé R, van der Heijde D, Dougados M. Identification of clinical phenotypes of peripheral involvement in patients with spondyloarthritis, including psoriatic arthritis: a cluster analysis in the worldwide ASAS-PerSpA study. RMD Open. 2021;7:e001728 (Open Access) PMID: 34750246
  • Carbo MJ, Paap D, Maas F, Baron AJ, van Oberbeeke LC, Siderius M, Bootsma H, Wink F, Arends S, Spoorenberg A. The mSQUASH; a valid, reliable and responsive questionnaire for daily physical activity in patients with axial spondyloarthritis. Semin Arthritis Rheum 2021 Aug;51(4):719-727. PMID: 34144381
  • Puche-Larrubia MÁ, Ladehesa-Pineda L, Font-Ugalde P, Escudero-Contreras A, Moltó A, López-Medina C, Collantes-Estévez E. Distribution of comorbidities in spondyloarthritis with regard to the phenotype and psoriasis: data from the ASAS-COMOSPA study. Ther Adv Musculoskelet Dis. 2021;13:1759720X211045263 (Open Access) PMID: 34567275
  • Protopopov M, Proft F, Sepriano A, Landewé R, van der Heijde D, Maksymowych WP, Baraliakos X, Sieper J, Rudwaleit M, Poddubnyy D. Radiographic sacroiliitis progression in axial spondyloarthritis: central reading of 5 year follow-up data from the assessment of spondyloarthritis international society cohort. Rheumatology (Oxford) 2021;60(5):2478-2480 (Open Access). PMID: 3353772
  • Kiltz U, Boonen A, van der Heijde D, Bautista-Molano W, Burgos Vargas R, Chiowchanwisawakit P, El-Zorkany B, Gaydukova I, Geher P, Gossec L, Gilio M, Grazio S, Gu J, Khan MA, Kim TJ, Maksymowych WP, Marzo-Ortega H, Navarro-Compán V, Ozgocmen S, Patrikos D, Pimentel-Santos FM, Reveille J, Schirmer M, Stebbings S, Van den Bosch F, Weber U, Braun J. Development of an environmental contextual factor item set relevant to global functioning and health in patients with axial spondyloarthritis. Rheumatology (Oxford). 2022;61(5):2054-2062 PMID 34534275
  • Kishimoto M, Ono K, Fukui S, Kawaai S, Deshpande GA, Yoshida K, Ichikawa N, Kaneko Y, Kawasaki T, Matsui K, Morita M, Tada K, Takizawa N, Tamura N, Taniguchi A, Taniguchi Y, Tsuji S, Okada M, Kobayashi S, Komagata Y, López-Medina C, Molto A, van der Heijde D, Dougados M, Tomita T, Kaname S. Clinical characteristics of non-radiographic versus radiographic axial spondyloarthritis in Asia and non-radiographic axial spondyloarthritis in other regions: results of the cross-sectional ASAS-COMOSPA study. RMD Open. 2021;7:e001752 (Open Access) PMID: 34531305
  • Navarro-Compán V, Boel A, Boonen A, Mease P, Landewé R, Kiltz U, Dougados M, Baraliakos X, Bautista-Molano W, Carlier H, Chiowchanwisawakit P, Dagfinrud H, de Peyrecave N, El-Zorkany B, Fallon L, Gaffney K, Garrido-Cumbrera M, Gensler LS, Haroon N, Kwan YH, Machado PM, Maksymowych WP, Poddubnyy D, Protopopov M, Ramiro S, Shea B, Song IH, van Weely S, van der Heijde D. The ASAS-OMERACT core domain set for axial spondyloarthritis. Semin Arthritis Rheum. 2021;51:1342-1349 PMID: 34489113
  • Renson T, de Hooge M, de Craemer AS, Deroo L, Lukasik Z, Carron P, Herregods N, Jans L, Colman R, van den Bosch F, Elewaut D. Progressive increase in sacroiliac joint and spinal lesions detected on magnetic resonance imaging in healthy individuals in relation to age. Arthritis Rheumatol 2022 Sep;74(9):1506-1514. PMID: 35436391
  • Pons M, Dougados M, Costeodat-Chalumeau N, Briot K, Goupille P, Roux C, Molto A. Pregnancy rates and outcomes in early axial spondyloarthritis: an analysis of the DESIR cohort. Joint Bone Spine 2021;88(2):105075. PMID: 32947013
  • Boel A, Navarro-Compán V, Boonen A, Mease P, Kiltz U, Dougados M, Landewé R, van der Heijde D. Domains to Be Considered for the Core Outcome Set of Axial Spondyloarthritis: Results From a 3-round Delphi Survey. J Rheumatol. 2021 Dec;48(12):1810-1814. PMID 34334361
  • Capelusnik D, Zhao SS, Boonen A, Ziade N, Medina CL, Dougados M, Nikiphorou E, Ramiro S. Individual and country-level socioeconomic factors and health outcomes in spondyloarthritis: analysis of the ASAS perSpA study. Rheumatology (Oxford). 2022;61(5):2043-2053 PMID: 34387300
  • Boel A, López-Medina C, van der Heijde DMFM, van Gaalen FA. Age at onset in axial spondyloarthritis around the world: data from the Assessment in SpondyloArthritis international Society Peripheral Involvement in Spondyloarthritis study. Rheumatology (Oxford). 2022;61(4):1468-1475 (Open Access) PMID: 34260699
  • Ziegeler K, Hermann KGA, Diekhoff T. Anatomical Joint Form Variation in Sacroiliac Joint Disease: Current Concepts and New Perspectives. Curr Rheumatol Rep. 2021;23:60 (Open Access) PMID: 34216295
  • Zhao SS, Nikiphorou E, Boonen A, López-Medina C, Dougados M, Ramiro S. Association between individual and country-level socioeconomic factors and work participation in spondyloarthritis including psoriatic arthritis: Analysis of the ASAS-perSpA study. Semin Arthritis Rheum. 2021;51:804-812 (Open Access) PMID: 34153894
  • Benavent D, Plasencia C, Poddubnyy D, Kishimoto M, Proft F, Sawada H, López-Medina C, Dougados M, Navarro-Compán V. Unveiling axial involvement in psoriatic arthritis: An ancillary analysis of the ASAS-perSpA study. Semin Arthritis Rheum. 2021;51:766-774 PMID: 34144387 
  • Ziadé N, El Hajj J, Rassi J, Hlais S, Lopez-Medina C, Gamal SM, Elzorkany B, Dougados M, Baraliakos X. Root Joint Involvement in Spondyloarthritis: A Post-hoc Analysis from the International ASAS-PerSpA Study. Rheumatology (Oxford). 2022;61(2):667-678 PMID: 33905488
  • Maksymowych WP, Lambert RG, Baraliakos X, Weber U, Machado PM, Pedersen SJ, Hooge M, Sieper J, Wichuk S, Poddubnyy D, Rudwaleit M, van der Heijde D, Landewe R, Eshed I, Ostergaard M. Data-driven definitions for active and structural MRI lesions in the sacroiliac joint in spondyloarthritis and their predictive utility. Rheumatology (Oxford). 2021;60:4778-4789 PMID: 33523107
  • López-Medina C, Molto A, Sieper J, Duruöz T, Kiltz U, Elzorkany B, Hajjaj-Hassouni N, Burgos-Vargas R, Maldonado-Cocco J, Ziade N, Gavali M, Navarro-Compan V, Luo SF, Monti S, Tae-Jong K, Kishimoto M, Pimentel-Santos FM, Gu J, Schiotis R, van Gaalen FA, Geher P, Magrey M, Ibáñez Vodnizza SE, Bautista-Molano W, Maksymowych W, Machado PM, Landewé R, van der Heijde D, Dougados M. Prevalence and distribution of peripheral musculoskeletal manifestations in spondyloarthritis including psoriatic arthritis: results of the worldwide, cross-sectional ASAS-PerSpA study. RMD Open. 2021;7:e001450 (Open Access) PMID: 33462157
  • Andreasen RA, Kristensen LE, Baraliakos X, Strand V, Mease PJ, de Wit M, Ellingsen T, Hansen I, Kirkham J, Wells, GA, Tugwell P, Maxwell L, Boers M, Egstrup K, Christensen R. Assessing the effect of interventions for axial spondyloarthritis according to the endorsed ASAS/OMERACT core outcome set: a meta-research study of trials included in Cochrane reviews. Arthritis Res Ther. 2020; 22:177 (Open Access) PMID: 32711571
  • Ortolan A, Ramiro S, van Gaalen F, Kvien TK, Landewe RBM, Machado PM, Ruyssen-Witrand A, van Tubergen A, Bastiaenen C, van der Heijde D. Development and validation of an alternative ankylosing spondylitis disease activity score when patient global assessment is unavailable. Rheumatology (Oxford). 2021;60(2):638-648 (Open Access) PMID: 32572483
  • Maksymowych WP, Pedersen SJ, Weber U, Baraliakos X, Machado PM, Eshed I, de Hooge M, Sieper J, Wichuk S, Rudwaleit M, van der Heijde D, Landewé R, Poddubnyy D, Ostergaard M, Lambert R. Central reader evaluation of MRI scans of the sacroiliac joints from the ASAS classification cohort: discrepancies with local readers and impact on the performance of the ASAS criteria. Ann Rheum Dis. 2020;79:935–942 PMID: 32371388
  • van Bentum R, Ibáñez-Vodnizza SE, Poblete de la Fuente, Valenzuela-Aldridge F, Navarro-Compán V, Rusman TR, Wee MMT, Valenzuela-Letelier O, van Weely SFE, van der Horst-Bruinsma IE. The Ankylsoing Spondylitis Perfomance Index: reliability and feasibility of an objective test for physical functioning. J Rheumatol 2020 Oct 1;47(10):1475-1482. PMID: 32007935
  • Liew JW, Ward MM, Reveille JD, Weisman M, Brown MA, Lee MJ, Rahbar M, Heckbert SR, Gensler LS. Nonsteroidal anti-inflammatory drug use an association with incident hypertension in ankylosing spondylitis. Arthritis Care Res (Hoboken) 2020 Nov;72(11):1645-1652 (Open Access). PMID: 31529687
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