Online First | Annals of the Rheumatic Diseases (2024)

Systemic sclerosis

Imaging mass cytometry-based characterisation of fibroblast subsets and their cellular niches in systemic sclerosis

Aleix Rius Rigau, Minrui Liang, Veda Devakumar, Ranjana Neelagar, Alexandru-Emil Matei, Andrea-Hermina Györfi, Christina Bergmann, Tim Filla, Vladyslav Fedorchenko, Georg Schett, Jörg H W Distler, Yi-Nan Li

doi: 10.1136/ard-2024-226336

Systemic sclerosis

Stratification according to autoantibody status in systemic sclerosis reveals distinct molecular signatures

Bénedicte Rouvière, Christelle Le Dantec, Eleonore Bettacchioli, Lorenzo Beretta, Nathan Foulquier, Celine Cao, Christophe Jamin, Jacques-Olivier Pers, Martin Kerick, Javier Martin, on behalf of PRECISESADS Clinical Consortium, on behalf of PRECISESADS Metabolomic Study Group, Marta Eugenia Alarcón-Riquelme, Claire de Moreuil, Divi Cornec, Sophie Hillion

doi: 10.1136/ard-2024-225925

Viewpoint

Microbiome research in autoimmune and immune-mediated inflammatory diseases: lessons, advances and unmet needs

Jose U Scher, Renuka Nayak, Jose C Clemente

doi: 10.1136/ard-2024-225735

Osteoarthritis

Efficacy, safety and tolerability of GSK3858279, an anti-CCL17 monoclonal antibody and analgesic, in healthy volunteers and patients with knee osteoarthritis pain: a phase I, randomised, double-blind, placebo-controlled, proof-of-mechanism and proof-of-concept study

Jagtar Singh Nijjar, Katharine Abbott-Banner, Yolanda Alvarez, Nicola Aston, Damon Bass, Jane H Bentley, Joanne Ellis, Christian Ellson, Edward C Emery, Maria Feeney, Disala Fernando, David Inman, Rejbinder Kaur, Louise K Modis, Sam Munoz Vicente, Catherine Muya, Kiran Nistala, Eirini Panoilia, Riju Ray, Sarah Siederer, Julia E Smith, Lucinda Weir, Nicolas Wisniacki

doi: 10.1136/ard-2023-225434

Systemic lupus erythematosus

Single-cell transcriptomics reveal potent extrafollicular B cell response linked with granzyme K+ CD8 T cell activation in lupus kidney

Chunmei Wu, Shan Jiang, Zechuan Chen, Teng Li, Xixi Gu, Min Dai, Fang Du, Yan Ye, Longhai Tang, Mingyuan Wang, Xiaodong Wang, Ting Li, Shuang Ye, Chunde Bao, Xiaoming Zhang, Qiong Fu

doi: 10.1136/ard-2024-225876

Behcet’s disease

Efficacy and safety of infliximab or adalimumab in severe mucocutaneous Behçet’s syndrome refractory to traditional immunosuppressants: a 6-month, multicentre, randomised controlled, prospective, parallel group, single-blind trial

Rosaria Talarico, Nazzareno Italiano, Giacomo Emmi, Matteo Piga, Luca Cantarini, Irene Mattioli, Alberto Floris, Stefano Gentileschi, Federica Di Cianni, Maria Letizia Urban, Emanuele Chiara, Diana Marinello, Alessandra Del Bianco, Michele Figus, Chiara Posarelli, Claudia Fabiani, Sabrina Vagnani, Gianni Andreozzi, Valentina Lorenzoni, Giuseppe Turchetti, Alberto Cauli, Lorenzo Emmi, Carlo Salvarani, Ornella Della Casa Alberighi, Stefano Bombardieri, Marta Mosca

doi: 10.1136/ard-2024-226113

Recommendation

EULAR recommendations for the treatment of systemic sclerosis: 2023 update

Francesco Del Galdo, Alain Lescoat, Philip G Conaghan, Eugenia Bertoldo, Jelena Čolić, Tânia Santiago, Yossra A Suliman, Marco Matucci-Cerinic, Armando Gabrielli, Oliver Distler, Anna-Maria Hoffmann-Vold, Ivan Castellví, Alexandra Balbir-Gurman, Madelon Vonk, Lidia Ananyeva, Simona Rednic, Anna Tarasova, Pedrag Ostojic, Vladimira Boyadzhieva, Khadija El Aoufy, Sue Farrington, Ilaria Galetti, Christopher P Denton, Otylia Kowal-Bielecka, Ulf Mueller-Ladner, Yannick Allanore

doi: 10.1136/ard-2024-226430

Osteoarthritis

Cell and transcriptomic diversity of infrapatellar fat pad during knee osteoarthritis

Hayley Peters, Pratibha Potla, Jason S Rockel, Teodora Tockovska, Chiara Pastrello, Igor Jurisica, Keemo Delos Santos, Shabana Vohra, Noah Fine, Starlee Lively, Kim Perry, Nikita Looby, Sheng Han Li, Vinod Chandran, Katrina Hueniken, Paramvir Kaur, Anthony V Perruccio, Nizar N Mahomed, Raja Rampersaud, Khalid Syed, Eric Gracey, Roman Krawetz, Matthew B Buechler, Rajiv Gandhi, Mohit Kapoor

doi: 10.1136/ard-2024-225928

Recommendation

EULAR/PReS recommendations for the diagnosis and management of Still’s disease, comprising systemic juvenile idiopathic arthritis and adult-onset Still’s disease

Bruno Fautrel, Stéphane Mitrovic, Arianna De Matteis, Sara Bindoli, Jordi Antón, Alexandre Belot, Claudia Bracaglia, Tamàs Constantin, Lorenzo Dagna, Alessandro Di Bartolo, Eugen Feist, Dirk Foell, Marco Gattorno, Sophie Georgin-Lavialle, Roberto Giacomelli, Alexei A Grom, Yvan Jamilloux, Katerina Laskari, Calin Lazar, Francesca Minoia, Peter A Nigrovic, Filipa Oliveira Ramos, Seza Ozen, Pierre Quartier, Piero Ruscitti, Erdal Sag, Sinisa Savic, Marie-Elise Truchetet, Sebastiaan J Vastert, Tanita-Christina Wilhelmer, Carine Wouters, Loreto Carmona, Fabrizio De Benedetti

doi: 10.1136/ard-2024-225851

Myositis

Precise identification and tracking of HMGCR-reactive CD4+ T cells in the target tissue of patients with anti-HMGCR immune-mediated necrotising myopathy

Eleni Tiniakou, Alex Girgis, Tiara Siafei, Jemima Albayda, Brittany Adler, Julie J Paik, Christopher A Mecoli, Alison Rebman, Mark J Soloski, Lisa Christopher-Stine, Kellie N Smith, Antony Rosen, Andrew Lee Mammen, Erika Darrah

doi: 10.1136/ard-2024-225732

Letter

Ruxolitinib as a salvage therapy in adult-onset macrophage activation syndrome: insights from eight cases

Ziyi Song, Haihong Yao, Yuebo Jin, Xue Li, Yuan Jia, Jing He, Zhanguo Li

doi: 10.1136/ard-2024-226433

Inflammatory arthritis

Systemic juvenile idiopathic arthritis and adult-onset Still’s disease are the same disease: evidence from systematic reviews and meta-analyses informing the 2023 EULAR/PReS recommendations for the diagnosis and management of Still’s disease

Arianna De Matteis, Sara Bindoli, Fabrizio De Benedetti, Loreto Carmona, Bruno Fautrel, Stéphane Mitrovic

doi: 10.1136/ard-2024-225853

Recommendation

Development of CARRA/PReS-endorsed consensus Core and Expanded Datasets in childhood-onset systemic lupus erythematosus for international registry-based research

Rebecca E Sadun, Jennifer C Cooper, Alexandre Belot, Tadej Avcin, Amita Aggarwal, Jenny Ainsworth, Alisha Akinsete, Stacy P Ardoin, Michael W Beresford, Lynette Bortey, Hermine I Brunner, Joyce C Chang, Coziana Ciurtin, Ashley Daftary, Barbara Eberhard, Candace H Feldman, Christian M Hedrich, Aimee O Hersh, Linda T Hiraki, David A Isenberg, Sylvia Kamphuis, Andrea M Knight, Lou Lambert, Deborah M Levy, Stephen D Marks, Naomi Maxwell, Angela Migowa, Katharine Moore, Seza Ozen, Rosalind Ramsey-Goldman, Angelo Ravelli, Bryce B Reeve, Tamar B Rubinstein, Claudia Saad-Magalhaes, Sujata Sawhney, Laura E Schanberg, Emily von Scheven, Christiaan Scott, Mary Beth Son, Gladys Tony, Elissa R Weitzman, Scott E Wenderfer, Alisha Woodside, Laura B Lewandowski, Eve MD Smith the CARRA SLE Committee and PReS Lupus Working Party

doi: 10.1136/ard-2024-226528

Rheumatoid arthritis

Peripheral blood immunophenotypic diversity in patients with rheumatoid arthritis and its impact on therapeutic responsiveness

Satoshi Kubo, Yusuke Miyazaki, Takahiro Nishino, Yuya Fujita, Michihiro Kono, Tsugumi Kawashima, Kazuyoshi Ishigaki, Katsuhide Kusaka, Hiroaki Tanaka, Masanobu Ueno, Yurie Satoh-Kanda, Yoshino Inoue, Yasuyuki Todoroki, Ippei Miyagawa, Kentaro Hanami, Shingo Nakayamada, Yoshiya Tanaka

doi: 10.1136/ard-2024-226228

Rheumatoid arthritis

Association of methotrexate polyglutamates concentration with methotrexate efficacy and safety in patients with rheumatoid arthritis treated with predefined dose: results from the MIRACLE trial

Hiroya Tamai, Kei Ikeda, Toshiaki Miyamoto, Hiroaki Taguchi, Chang-Fu Kuo, Kichul Shin, Shintaro Hirata, Yutaka Okano, Shinji Sato, Hidekata Yasuoka, Masataka Kuwana, Tomonori Ishii, Hideto Kameda, Toshihisa Kojima, Yurie Nishi, Masahiko Mori, Hideaki Miyagishi, Genta Toshima, Yasunori Sato, Wen-Chan Tsai, Tsutomu Takeuchi, Yuko Kaneko MIRACLE Study Group

doi: 10.1136/ard-2024-226350

Vasculitis

Age, anticoagulants, hypertension and cardiovascular genetic traits predict cranial ischaemic complications in patients with giant cell arteritis

Natalie J M Chaddock, Charlotte J Harden, Louise Sorensen, Hannah R Mathieson, Michal Zulcinski, Catherine A Lawson, Eoin O'Sullivan, Susan P Mollan, Javier Martin, Sarah L Mackie, Mark M Iles, Ann W Morgan UK GCA Consortium

doi: 10.1136/ard-2024-225515

Osteoarthritis

Comparison of definitions of early knee osteoarthritis for likelihood of progression at 2-year and 5-year follow-up: the Multicenter Osteoarthritis Study

Jean W Liew, Eva Petrow, Sarah Tilley, Michael P LaValley, Frank W Roemer, Ali Guermazi, Cora E Lewis, James Torner, Michael C Nevitt, John A Lynch, David Felson

doi: 10.1136/ard-2024-226060

Spondyloarthritis

Performance analysis of a deep-learning algorithm to detect the presence of inflammation in MRI of sacroiliac joints in patients with axial spondyloarthritis

Joeri Nicolaes, Evi Tselenti, Theodore Aouad, Clementina López-Medina, Antoine Feydy, Hugues Talbot, Bengt Hoepken, Natasha de Peyrecave, Maxime Dougados

doi: 10.1136/ard-2024-225862

Sjögren’s syndrome

m6A RNA methylation controls salivary gland epithelial cell function and has a protective role in Sjögren’s disease

Frederic Truffinet, Alejandro Arco-Hierves, Hosnia Shalabi, Juliette Pascaud, Paul Mazet, Elodie Rivière, Sacha E Silva-Saffar, Lucilla Fabbri, Sophie Leboucher, Laetitia Besse, Cedric Messaoudi, Aurore Attina, Alexandre David, Stephan Vagner, Gaetane Nocturne, Xavier Mariette, Rami Bechara

doi: 10.1136/ard-2024-226224

Heroes and pillars of rheumatology

Paul Hunter Plotz (1937–2024): renaissance rheumatologist, human rights advocate and mensch

Frederick W Miller, John J O'Shea, Daniel L Kastner

doi: 10.1136/ard-2024-226596

Review

Therapeutic interception in individuals at risk of rheumatoid arthritis to prevent clinically impactful disease

Kevin D Deane, V Michael Holers, Paul Emery, Kulveer Mankia, Hani El-Gabalawy, Jeffrey A Sparks, Karen H Costenbader, Georg Schett, Annette van der Helm-van Mil, Dirkjan van Schaardenburg, Ranjeny Thomas, Andrew P Cope

doi: 10.1136/ard-2023-224211

Inflammatory arthritis

Efficacy and safety of therapies for Still’s disease and macrophage activation syndrome (MAS): a systematic review informing the EULAR/PReS guidelines for the management of Still’s disease

Sara Bindoli, Arianna De Matteis, Stéphane Mitrovic, Bruno Fautrel, Loreto Carmona, Fabrizio De Benedetti

doi: 10.1136/ard-2024-225854

Systemic sclerosis

Human hypofunctional NCF1 variants promote pulmonary fibrosis in the bleomycin-induced mouse model and patients with systemic sclerosis via expansion of SPP1+ monocytes-derived macrophages

Xinran Yuan, Xiaodong Qin, Kenji Takemoto, Jian Zhao, Matthew Sanderson, Xue Xu, Yu Zhang, Kristi L Helke, Bethany Jacobs Wolf, Joel M Guthridge, Judith A James, Xiaodong Zhou, Shervin Assassi, Carol Feghali-Bostwick, Dandan Wang, Lingyun Sun, Betty P Tsao

doi: 10.1136/ard-2024-226034

Letter

Guselkumab in Behçet’s disease

Elie E Ghayad, Georgina Maalouf, Arsène Mekinian, Giacomo Emmi, Matheus Vieira, Adrien Mirouse, Anne-Claire Desbois, Alexandre Le Joncour, Fanny Domont, Gaëlle Leroux, Helene Bugaut, Mathieu Vautier, Patrice Cacoub, Stéphane Barete, David Saadoun

doi: 10.1136/ard-2024-225913

Recommendation

Clinical information on imaging referrals for suspected or known axial spondyloarthritis: recommendations from the Assessment of Spondyloarthritis International Society (ASAS)

Torsten Diekhoff, Chiara Giraudo, Pedro M Machado, Michael Mallinson, Iris Eshed, Hildrun Haibel, Kay Geert Hermann, Manouk de Hooge, Lennart Jans, Anne Grethe Jurik, Robert GW Lambert, Walter Maksymowych, Helena Marzo-Ortega, Victoria Navarro-Compán, Mikkel Østergaard, Susanne Juhl Pedersen, Monique Reijnierse, Martin Rudwaleit, Fernando A Sommerfleck, Ulrich Weber, Xenofon Baraliakos, Denis Poddubnyy

doi: 10.1136/ard-2024-226280

Autoinflammatory disorders

Lupus and inflammatory bowel disease share a common set of microbiome features distinct from other autoimmune disorders

Hao Zhou, Diana Balint, Qiaojuan Shi, Tim Vartanian, Martin A Kriegel, Ilana Brito

doi: 10.1136/ard-2024-225829

Pain

Assessing the performance of AI chatbots in answering patients’ common questions about low back pain

Simone P S Scaff, Felipe J J Reis, Giovanni E Ferreira, Maria Fernanda Jacob, Bruno T Saragiotto

doi: 10.1136/ard-2024-226202

Early arthritis

Is a 1-year course of methotrexate in patients with arthralgia at-risk for rheumatoid arthritis cost-effective? A cost-effectiveness analysis of the randomised, placebo-controlled TREAT EARLIER trial

Elise van Mulligen, Sterre S Bour, Lucas M A Goossens, Pascal Hendrik Pieter de Jong, Maureen Rutten-van Mölken, Annette van der Helm-van Mil

doi: 10.1136/ard-2024-226286

Autoimmunity

CD19-CAR T-cell therapy induces deep tissue depletion of B cells

Carlo Tur, Markus Eckstein, Joachim Velden, Simon Rauber, Christina Bergmann, Janina Auth, Laura Bucci, Giulia Corte, Melanie Hagen, Andreas Wirsching, Ricardo Grieshaber-Bouyer, Petra Reis, Nicolai Kittan, Jochen Wacker, Aleix Rius Rigau, Andreas Ramming, Maria-Antonietta D’Agostino, Arndt Hartmann, Fabian Müller, Andreas Mackensen, Aline Bozec, Georg Schett, Maria Gabriella Raimondo

doi: 10.1136/ard-2024-226142

Myositis

Protein kinase R is highly expressed in dermatomyositis and promotes interferon-beta-induced muscle damage

Guoyong Zhang, Lining Zhang, Dandan Zhao, Xiaoyu Liu, Wei Li, Chuanzhu Yan, Tingjun Dai

doi: 10.1136/ard-2024-226057

Inflammatory arthritis

Generation of cytotoxic aptamers specifically targeting fibroblast-like synoviocytes by CSCT-SELEX for treatment of rheumatoid arthritis

Fang Qiu, Duoli Xie, Hongzhen Chen, Zhuqian Wang, Jie Huang, Chunhao Cao, Yiying Liang, Xu Yang, Dong-Yi He, Xuekun Fu, Aiping Lu, Chao Liang

doi: 10.1136/ard-2024-225565

Osteoarthritis

Predicting rapid progression in knee osteoarthritis: a novel and interpretable automated machine learning approach, with specific focus on young patients and early disease

Simone Castagno, Mark Birch, Mihaela van der Schaar, Andrew McCaskie

doi: 10.1136/ard-2024-225872

Images in rheumatology

More than meets the eye

Elise Siegert, Werner Stenzel, David Sinan Koca, Gerhard Krönke, Robert Biesen

doi: 10.1136/ard-2024-226168

Letter

Serum from patients with idiopathic inflammatory myopathy induces skeletal muscle weakness

Cecilia Leijding, Suchada Kaewin, Kristofer M Andreasson, Begum Horuluoglu, Angeles Shunashy Galindo-Feria, Eveline Van Gompel, Maryam Dastmalchi, Stefano Gastaldello, Helene Alexanderson, Ingrid E Lundberg, Daniel C Andersson

doi: 10.1136/ard-2024-225912

Crystal arthropathies

Relationship between serum urate and changes in dual-energy CT monosodium urate crystal volume over 1 year in people with gout: an individual participant data analysis

Brooke Kelly, Greg D Gamble, Anne Horne, Anthony J Doyle, Jill Drake, Opetaia Aati, Chang-Nam Son, Ramanamma Kalluru, Kieran Latto, Lisa Stamp, Nicola Dalbeth

doi: 10.1136/ard-2024-226059

Spondyloarthritis

Low uveitis rates in patients with axial spondyloarthritis treated with bimekizumab: pooled results from phase 2b/3 trials

Matthew A Brown, Martin Rudwaleit, Floris A van Gaalen, Nigil Haroon, Lianne S Gensler, Carmen Fleurinck, Alexander Marten, Ute Massow, Natasha de Peyrecave, Thomas Vaux, Katy White, Atul Deodhar, Irene van der Horst-Bruinsma

doi: 10.1136/ard-2024-225933

Rheumatoid arthritis

Disease activity of rheumatoid arthritis and kidney function decline: a large prospective registry study

Sho Fukui, Wolfgang C Winkelmayer, Sara K Tedeschi, Javier Marrugo, Hongshu Guan, Leslie Harrold, Heather J Litman, Tomohiro Shinozaki, Daniel H Solomon

doi: 10.1136/ard-2024-226156

Rheumatoid arthritis

Positive feedback loop PU.1-IL9 in Th9 promotes rheumatoid arthritis development

Jiajie Tu, Weile Chen, Wei Huang, Xinming Wang, Yilong Fang, Xuming Wu, Huiru Zhang, Chong Liu, Xuewen Tan, Xiangling Zhu, Huihui Wang, Dafei Han, Yizhao Chen, Anqi Wang, Yuanyuan Zhou, Zimeng Xue, Hui Xue, Shangxue Yan, Lingling Zhang, Zhenbao Li, Chunlan Yang, Yujie Deng, Shihao Zhang, Chen Zhu, Wei Wei

doi: 10.1136/ard-2024-226067

Vasculitis

Plasma proteome profiling in giant cell arteritis

Kevin Y Cunningham, Benjamin Hur, Vinod K Gupta, Matthew J Koster, Cornelia M Weyand, David Cuthbertson, Nader A Khalidi, Curry L Koening, Carol A Langford, Carol A McAlear, Paul A Monach, Larry W Moreland, Christian Pagnoux, Rennie L Rhee, Philip Seo, Peter A Merkel, Kenneth J Warrington, Jaeyun Sung

doi: 10.1136/ard-2024-225868

Osteoarthritis

SerpinA3N limits cartilage destruction in osteoarthritis by inhibiting macrophage-derived leucocyte elastase

Augustin Latourte, Sarah Jaulerry, Alice Combier, Chahrazad Cherifi, Yohan Jouan, Thierry Grange, Julien Daligault, Hang-Korng Ea, Martine Cohen-Solal, Eric Hay, Pascal Richette

doi: 10.1136/ard-2024-225645

Images in rheumatology

Mutilating arthropathy with skin nodules

Tsz On Lam, Edric Chi Ching Ip, Wendy Wan Hang Lau, Agnes Wai Sze Chan, Christina Man Tung Cheung, Joshua Jing Xi Li, Joanna Ka Man Ng, Lai-Shan Tam

doi: 10.1136/ard-2024-226186

Recommendation

Development of international consensus on a standardised image acquisition protocol for diagnostic evaluation of the sacroiliac joints by MRI: an ASAS–SPARTAN collaboration

Robert G W Lambert, Xenofon Baraliakos, Stephanie A Bernard, John A Carrino, Torsten Diekhoff, Iris Eshed, Kay Geert A Hermann, Nele Herregods, Jacob Jaremko, Lennart BO Jans, Anne Grethe Jurik, John M D O'Neill, Monique Reijnierse, Michael J Tuite, Walter P Maksymowych

doi: 10.1136/ard-2024-225882

Review

Journey through discovery of 75 years glucocorticoids: evolution of our knowledge of glucocorticoid receptor mechanisms in rheumatic diseases

Ann-Kathrin Eiers, Sabine Vettorazzi, Jan P Tuckermann

doi: 10.1136/ard-2023-225371

Rheumatoid arthritis

Helicobacter pylori upregulates PAD4 expression via stabilising HIF-1α to exacerbate rheumatoid arthritis

Hui Wu, Hanmei Yuan, Jin Zhang, Taojun He, Yilin Deng, Ying Chen, Yunqi Zhang, Weisan Chen, Chao Wu

doi: 10.1136/ard-2023-225306

Rheumatoid arthritis

Rheumatoid arthritis patients harbour aberrant enteric bacteriophages with autoimmunity-provoking potential: a paired sibling study

Fanlei Hu, Xin Li, Kai Liu, Yanpeng Li, Yang Xie, Chaonan Wei, Shuyan Liu, Jing Song, Ping Wang, Lianjie Shi, Chun Li, Jing Li, Liling Xu, Jimeng Xue, Xi Zheng, Mingxin Bai, Xiangyu Fang, Xu Jin, Lulu Cao, Pei Hao, Jing He, Jun Wang, Chiyu Zhang, Zhanguo Li

doi: 10.1136/ard-2024-225564

IgG4 related disease

Multiorgan involvement and circulating IgG1 predict hypocomplementaemia in IgG4-related disease

Guy Katz, Cory Perugino, Zachary S Wallace, Bohang Jiang, Thomas Guy, Grace A McMahon, Isha Jha, Yuqing Zhang, Hang Liu, Ana D Fernandes, Shiv S Pillai, John Patterson Atkinson, Alfred Hyoungju Kim, John H Stone

doi: 10.1136/ard-2024-225846

Images in rheumatology

Mystery of hidden pearls: bursitis in the shoulder

Alekhya Amudalapalli, Sandeep Nagar, Rasmi Ranjan Sahoo, Ashlesha Shukla, Abhichandra Maddineni, Adya Kinkar Panda, Pradeepta Patro

doi: 10.1136/ard-2024-226359

Early arthritis

Association of rheumatoid factor, anti-citrullinated protein antibodies and shared epitope with clinical response to initial treatment in patients with early rheumatoid arthritis: data from a randomised controlled trial

Kristina Lend, Jon Lampa, Leonid Padyukov, Merete Lund Hetland, Marte Schrumpf Heiberg, Dan C Nordström, Michael T Nurmohamed, Anna Rudin, Mikkel Østergaard, Espen A Haavardsholm, Kim Hørslev-Petersen, Till Uhlig, Tuulikki Sokka-Isler, Bjorn Gudbjornsson, Gerdur Grondal, Giulia Frazzei, Jeroen Christiaans, Gertjan Wolbink, Theo Rispens, Jos W R Twisk, Ronald F van Vollenhoven

doi: 10.1136/ard-2024-226024

Letter

New WHO ACPA standard enables standardisation among anti-CCP2 assays, but not other ACPA assays using different antigens

Lieve Van Hoovels, Liesbeth E. Bakker-Jonges, Dina Vara, Caroline Bijnens, Lucy Studholme, Daniela Sieghart, Bert Vander Cruyssen, Patrick Verschueren, Guenter Steiner, Jan G.M.C. Damoiseaux, Xavier Bossuyt

doi: 10.1136/ard-2024-226169

Inflammatory arthritis

Early identification of rheumatoid arthritis: does it induce treatment-related cost savings?

Elise van Mulligen, Maureen Rutten-van Mölken, Annette van der Helm-van Mil

doi: 10.1136/ard-2024-225746