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Lu C, Yang F, He S, Yu H, Wang Q, Li M, Zeng X, Leng X. Serum proteome analysis identifies a potential biomarker for axial psoriatic arthritis. Eur J Med Res 2024; 29:146. [PMID: 38429803 PMCID: PMC10908212 DOI: 10.1186/s40001-024-01731-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/14/2024] [Indexed: 03/03/2024] Open
Abstract
BACKGROUND To identify potential serum biomarkers for differentiating between axial psoriatic arthritis (axPsA) and peripheral psoriatic arthritis (pPsA). METHODS Serum samples were collected from patients with PsA to create a biomarker discovery cohort and a verification cohort. Patients with PsA were classified into axial or peripheral subtypes based on imaging criteria. Untargeted proteomics technology was used in the discovery phase to screen for biomarkers, and candidate biomarkers were evaluated using enzyme-linked immunosorbent assay (ELISA) in the verification phase. RESULTS We identified 45 significantly differentially expressed proteins (DEPs) between axPsA (n = 20) and pPsA (n = 20) with liquid chromatography-mass spectrometry. Among these DEPs, serum pigment epithelium-derived factor (PEDF) was identified as a candidate biomarker using the Boruta algorithm and lasso regression. Results of ELISA further confirmed that the level of serum PEDF expression was significantly higher in axPsA (n = 37) than in pPsA (n = 51) at the verification cohort (37.9 ± 10.1 vs. 30.5 ± 8.9 μg/mL, p < 0.001). Receiver operating characteristics analysis showed that PEDF had an area under the curve (AUC) of 0.72. Serum PEDF was positively correlated with body mass index and C-reactive protein. Additionally, there was a tendency towards a positive correlation between PEDF and the Bath Ankylosing Spondylitis Disease Activity Index. CONCLUSIONS This study provided a comprehensive characterization of the proteome in axPsA and pPsA and identified a candidate biomarker, PEDF, that may contribute to early diagnosis for axPsA.
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Affiliation(s)
- Chaofan Lu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Fan Yang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Shihao He
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Hongxia Yu
- Department of Rheumatology, Guizhou Xingyi People's Hospital, Xingyi, China
| | - Qian Wang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Mengtao Li
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China.
| | - Xiaomei Leng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing, 100730, China.
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Chen MY, Chen PY, Chang CN, Chen BA, Deng WC, Yan JL. Psoriatic arthritis increases the risk of venous thromboembolism following degenerative lumbar spine surgery: An analysis of U.S. Nationwide Inpatient Sample 2005-2018. Heliyon 2024; 10:e23613. [PMID: 38234886 PMCID: PMC10792185 DOI: 10.1016/j.heliyon.2023.e23613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 11/09/2023] [Accepted: 12/07/2023] [Indexed: 01/19/2024] Open
Abstract
Background This retrospective study aimed to determine the risk of venous thromboembolism (VTE) in patients with PsA after surgery for lumbar degenerative disease (LDD). Methods The study data of adults aged ≥20 years admitted to U.S. hospitals with diagnoses of LDD and undergoing spinal decompression or fusion between 2005 and 2018 were extracted from the National Inpatient Sample (NIS) database. Patients were further divided into two groups based on a diagnosis of PsA or not via codes ICD-9: 696.0 and ICD-10: L40.50. Patients with missing information were excluded. Propensity score matching (PSM) was employed to enhance comparability between groups. Logistic regression was used to determine associations between PsA and various outcomes, including complications, unfavorable discharge, and prolonged length of stay (LOS). Results Data on 471,283 patients with LDD was extracted from the NIS database.from 2005 to 2018. Before propensity score matching, patients with PsA had higher proportions of overall morbidity (8.8 % vs. 6.9 %), VTE (1.4 % vs. 0.7 %), and unfavorable discharge (20.8 % vs. 16.9 %). After matching, patients with PsA still had higher VTE incidence and unfavorable discharge proportions. After adjustments, multivariable regression analysis indicated that patients with PsA had a higher risk of unfavorable discharge (aOR: 1.26, 95 % CI: 1.03-1.55) and VTE (aOR: 1.99, 95 % CI: 1.05-3.75). Conclusions Among patients undergoing surgery for LDD, pre-existing PsA may be associated with increased risks of unfavorable discharge and VTE occurrence. The findings may benefit preoperative risk stratifications before LDD surgeries.
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Affiliation(s)
- Mao-Yu Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
| | - Pin-Yuan Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
- School of Medicine, Chang Gung University, Guishan, Taoyuan, 33302, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
| | - Chen-Nen Chang
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
| | - Bo-An Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Wen-Chun Deng
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
| | - Jiun-Lin Yan
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, 20401, Taiwan
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Yousif P, Nahra V, Khan MA, Magrey M. Disease characteristics, pathogenesis, and treatment controversies of axial psoriatic arthritis. Joint Bone Spine 2024; 91:105625. [PMID: 37495073 DOI: 10.1016/j.jbspin.2023.105625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/16/2023] [Accepted: 07/12/2023] [Indexed: 07/28/2023]
Abstract
Axial psoriatic arthritis (axPsA) has considerable overlap with axial spondyloarthritis (axSpA) but has some unique features that sometimes preclude classification into axSpA. It has some clinical and radiographic differences compared to axSpA. Imaging typically shows asymmetric syndesmophytes, mainly in the cervical spine, with less frequent sacroiliitis. It more commonly presents later in life and is associated with less severe inflammatory back pain than axSpA. The interleukin (IL) IL-23/IL-17 axis is central to the pathogenesis of both diseases. However, the response to therapies targeting these cytokines has been different. IL-23 inhibitors are ineffective in axSpA but may be effective in psoriatic arthritis (PsA). Recent post hoc analyses of clinical trial data with IL-23 inhibitors in PsA have raised the possibility of their efficacy in axPsA and need evaluation in future clinical trials. Moreover, there is a need for classification criteria for axPsA and better tools to assess therapeutic response.
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Affiliation(s)
- Patrick Yousif
- Division of Rheumatology, University Hospitals Cleveland Medical Center/Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Vicky Nahra
- Division of Rheumatology, University Hospitals Cleveland Medical Center/Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Muhammad A Khan
- Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Marina Magrey
- Division of Rheumatology, University Hospitals Cleveland Medical Center/Case Western Reserve University School of Medicine, Cleveland, OH, United States.
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Bekaryssova D, Mruthyunjaya Vijaya P, Ahmed S, Sondur S, Zimba O. Revisiting articular syndrome in the peri-pandemic COVID-19 era. Rheumatol Int 2023; 43:2157-2166. [PMID: 37747562 DOI: 10.1007/s00296-023-05459-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/03/2023] [Indexed: 09/26/2023]
Abstract
Articular syndrome is often the presentation of a person's various rheumatic or related diseases. It includes both arthralgia and arthritis, with objective signs of joint inflammation defining the latter. This syndromic approach to joint pain enables a scientific method for early diagnosis of common rheumatic conditions without compromising the recognition of uncommon conditions. This review explores common rheumatic conditions associated with articular syndrome, including osteoarthritis, rheumatoid arthritis (RA), systemic lupus erythematosus (SLE). It supports the early differentiation of uncommon but emerging entities such as reactive arthritis (ReA). The aim of the review is to comprehensively overview various forms of articular syndrome to update rheumatologists' and allied health specialists' knowledge. Epidemiology, clinical presentations, diagnostic approaches, and therapeutic strategies are discussed in the context of articular syndrome. The challenges emerging in the peri-pandemic COVID-19 era are highlighted. The improved understanding of the spectrum of clinical conditions and disease states presenting with articular syndrome may facilitate early diagnosis, optimal management, and enhanced patient outcomes within the realm of rheumatology.
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Affiliation(s)
- Dana Bekaryssova
- Department of Biology and Biochemistry, South Kazakhstan Medical Academy, Shymkent, Kazakhstan.
| | - Prakashini Mruthyunjaya Vijaya
- Department of Clinical Immunology and Rheumatology, Kalinga Institute of Medical Sciences, KIIT University, Bhubaneswar, India
| | - Sakir Ahmed
- Department of Clinical Immunology and Rheumatology, Kalinga Institute of Medical Sciences, KIIT University, Bhubaneswar, India
| | - Suhas Sondur
- Department of Orthopedics, Kalinga Institute of Medical Sciences, KIIT University, Bhubaneswar, India
| | - Olena Zimba
- Department of Clinical Rheumatology and Immunology, University Hospital in Krakow, Kraków, Poland
- National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
- Department of Internal Medicine N2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
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5
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McGonagle D, David P, Macleod T, Watad A. Predominant ligament-centric soft-tissue involvement differentiates axial psoriatic arthritis from ankylosing spondylitis. Nat Rev Rheumatol 2023; 19:818-827. [PMID: 37919337 DOI: 10.1038/s41584-023-01038-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2023] [Indexed: 11/04/2023]
Abstract
Since the original description of spondyloarthritis 50 years ago, results have demonstrated similarities and differences between ankylosing spondylitis (AS) and axial psoriatic arthritis (PsA). HLA-B27 gene carriage in axial inflammation is linked to peri-fibrocartilaginous sacroiliac joint osteitis, as well as to spinal peri-entheseal osteitis, which is often extensive and which provides a crucial anatomical and immunological differentiation between the AS and PsA phenotypes. Specifically, HLA-B27-related diffuse bone marrow oedema (histologically an osteitis) and bone marrow fatty corners detected via magnetic resonance imaging, as well as radiographic changes such as sacroiliitis, vertebral squaring, corner erosions and Romanus lesions, all indicate initial bone phenotypes in HLA-B27+ axial disease. However, in much of PsA with axial involvement, enthesitis primarily manifests in ligamentous soft tissue as 'ligamentitis', with characteristic lesions that include para-syndesmophytes and sacroiliac joint bony sparing. Like axial PsA, diffuse idiopathic skeletal hyperostosis phenotypes, which can be indistinguishable from PsA, exhibit a thoracic and cervical spinal ligamentous soft-tissue tropism, clinically manifesting as syndesmophytosis that is soft-tissue-centric, including paravertebral soft-tissue ossification and sacroiliac soft-ligamentous ossification instead of joint-cavity fusion. The enthesis bone and soft tissues have radically different immune cell and stromal compositions, which probably underpins differential responses to immunomodulatory therapy, especially IL-23 inhibition.
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Affiliation(s)
- Dennis McGonagle
- Section of Musculoskeletal Disease, NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK.
| | - Paula David
- Section of Musculoskeletal Disease, NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK
| | - Tom Macleod
- Section of Musculoskeletal Disease, NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK
| | - Abdulla Watad
- Section of Musculoskeletal Disease, NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK
- Department of Internal Medicine B & Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel. Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Philippoteaux C, Marty-Ane A, Cailliau E, Labreuche J, Philippe P, Cortet B, Paccou J, Flipo RM, Letarouilly JG. Characteristics Of Difficult-To-Treat Psoriatic Arthritis: A Comparative Analysis. Semin Arthritis Rheum 2023; 63:152275. [PMID: 37852155 DOI: 10.1016/j.semarthrit.2023.152275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/20/2023]
Abstract
OBJECTIVE The EULAR task force recently published the difficult-to-treat rheumatoid arthritis (D2T RA) criteria, however, a definition of D2T patients in psoriatic arthritis (PsA) is still lacking. To date, we have little data concerning D2T PsA, especially in real-world. One of the limitations of the D2T RA EULAR definition is the absence of a temporal criterion. The primary endpoint of this work was to study the characteristics of D2T PsA patients using the EULAR definition. The second objective was to study a sub-group of patients with a predefined more stringent definition including a temporal criterion. METHODS A retrospective study was performed in a tertiary center. D2T PsA was defined as failure of ≥ 2 b/tsDMARDs with different mechanism of action. Very D2T PsA was defined as failure of ≥ 2 b/tsDMARDs in less than 2 years of follow-up. D2T and Very D2T PsA patients were compared to nD2T PsA patients using statistical tests. RESULTS 150 PsA patients were included (from 2004 to 2015): 49 D2T PsA and 101 nD2T PsA. D2T PsA was associated with a higher prevalence of axial involvement (p=0.030), axial and/or peripheral structural damage (p=0.007) at baseline and more bDMARDs discontinuation due to poor dermatological control (p=0.005). There was no significant difference regarding comorbidities such as obesity, smoking status, fibromyalgia or depression. In multivariate analysis, peripheral structural damage at baseline was found to be a predictive factor for D2T PsA with an OR of 2.57 (1.16 to 5.69; p=0.020). 17 PsA (11.3%) patients were categorized as Very D2T PsA. When compared to nD2T group, proportion of obesity was higher (p=0.015) and axial involvement was more prevalent in the Very D2T group (p=0.020). CONCLUSION D2T PsA patients had a higher prevalence of axial involvement, peripheral structural damage and therapeutic discontinuation due to poor dermatological control whereas Very D2T PsA patients were more likely obese with axial involvement. Very D2T PsA represent a minim proportion among patients when applying a more stringent definition. Pending the PsA D2T definition by the European and American societies, this study highlights some characteristics that may help practitioners better identify D2T patients.
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Affiliation(s)
| | - Anne Marty-Ane
- Rheumatology Department, Lille University Hospital, Lille, France
| | - Emeline Cailliau
- Biostatistics Department, Lille University Hospital, Lille, France
| | - Julien Labreuche
- Biostatistics Department, Lille University Hospital, Lille, France
| | - Peggy Philippe
- Rheumatology Department, Lille University Hospital, Lille, France
| | - Bernard Cortet
- Rheumatology Department, Lille University Hospital, Lille, France
| | - Julien Paccou
- Rheumatology Department, Lille University Hospital, Lille, France
| | - Rene-Marc Flipo
- Rheumatology Department, Lille University Hospital, Lille, France
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D’Angelo S, Atzeni F, Benucci M, Bianchi G, Cantini F, Caporali RF, Carlino G, Caso F, Cauli A, Ciccia F, D’Agostino MA, Dagna L, Dejaco C, Epis OM, Ferrucci MG, Franceschini F, Fusaro E, Gabini M, Gerli R, Giacomelli R, Govoni M, Gremese E, Guggino G, Iagnocco A, Iannone F, Laganà B, Lubrano E, Montecucco C, Peluso R, Ramonda R, Rossini M, Salvarani C, Sebastiani GD, Sebastiani M, Selmi C, Tirri E, Marchesoni A. Management of psoriatic arthritis: a consensus opinion by expert rheumatologists. Front Med (Lausanne) 2023; 10:1327931. [PMID: 38098852 PMCID: PMC10720668 DOI: 10.3389/fmed.2023.1327931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 11/16/2023] [Indexed: 12/17/2023] Open
Abstract
Background Psoriatic arthritis (PsA) is a chronic inflammatory musculoskeletal disease involving several articular and extra-articular structures. Despite the important progresses recently made in all of the aspects of this disease, its management is still burdened by unresolved issues. The aim of this exercise was to provide a set of statements that may be helpful for the management of PsA. Methods A group of 38 Italian rheumatologists with recognized expertise in PsA selected and addressed the following four topics: "early PsA," "axial-PsA," "extra-articular manifestations and comorbidities," "therapeutic goals." Relevant articles from the literature (2016-2022) were selected by the experts based on a PubMed search. A number of statements for each topic were elaborated. Results Ninety-four articles were selected and evaluated, 68 out of the 1,114 yielded by the literature search and 26 added by the Authors. Each of the four topic was subdivided in themes as follows: transition from psoriasis to PsA, imaging vs. CASPAR criteria in early diagnosis, early treatment for "early PsA"; axial-PsA vs. axialspondyloarthritis, diagnosis, clinical evaluation, treatment, standard radiography vs. magnetic resonance imaging for "axial PsA"; influence of inflammatory bowel disease on the therapeutic choice, cardiovascular comorbidity, bone damage, risk of infection for "comorbidities and extra-articular manifestations"; target and tools, treat-to-target strategy, role of imaging for "therapeutic goals." The final document consisted of 49 statements. Discussion The final product of this exercise is a set of statements concerning the main issues of PsA management offering an expert opinion for some unmet needs of this complex disease.
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Affiliation(s)
- Salvatore D’Angelo
- Rheumatology Department of Lucania, San Carlo Hospital of Potenza, Potenza, Italy
| | - Fabiola Atzeni
- Rheumatology Unit, Department of Experimental and Internal Medicine, University of Messina, Messina, Italy
| | | | - Gerolamo Bianchi
- Division of Rheumatology, Department of Medical Specialties, Azienda Sanitaria Locale 3 Genovese, Genova, Italy
| | | | - Roberto Felice Caporali
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Giorgio Carlino
- Rheumatology Service, ASL LE-DSS Casarano and Gallipoli, Gallipoli, Italy
| | - Francesco Caso
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Alberto Cauli
- Rheumatology Unit, Department of Medicine and Public Health, AOU and University of Cagliari, Cagliari, Italy
| | - Francesco Ciccia
- Rheumatology Section, Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Maria Antonietta D’Agostino
- Department of Rheumatology, Catholic University of Sacred Heart, Fondazione Policlinico Universitario A. Gemelli, IRCSS, Rome, Italy
| | - Lorenzo Dagna
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), San Raffaele Scientific Institute, Milan, Italy
- School of Medicine, Vita-Salute San Raffaele University, Milan, Italy
| | - Christian Dejaco
- Department of Rheumatology and Immunology, Medical University of Graz, Graz, Austria
- Department of Rheumatology, Teaching Hospital of the Paracelsius Medical University, Brunico Hospital (ASAA-SABES), Brunico, Italy
| | - Oscar Massimiliano Epis
- Division of Rheumatology, Multispecialist Medical Department, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | | | - Franco Franceschini
- Rheumatology and Clinical Immunology Unit, Dipartimento Continuità di Cure e Fragilità, ASST Spedali Civili di Brescia, Brescia, Italy
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Enrico Fusaro
- Rheumatology Unit, University Hospital AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Marco Gabini
- Rheumatology Unit, Santo Spirito Hospital, Pescara, Italy
| | - Roberto Gerli
- Rheumatology Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Roberto Giacomelli
- Research Unit of Immuno-Rheumatology, Department of Medicine, School of Medicine, University of Rome "Campus Biomedico", Rome, Italy
- Fondazione Policlinico Campus Bio-Medico, Rome, Italy
| | - Marcello Govoni
- Rheumatology Unit, Department of Medical Sciences, Azienda Ospedaliero-Universitaria S. Anna-Ferrara, University of Ferrara, Ferrara, Italy
| | - Elisa Gremese
- Clinical Immunology Unit, Department of Geriatrics, Orthopedics and Rheumatology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | | | - Annamaria Iagnocco
- Academic Rheumatology Centre, Department of Clinical and Biological Sciences, Università degli Studi di Torino, Turin, Italy
| | - Florenzo Iannone
- DiMePRe-J, Rheumatology Unit, Università degli studi di Bari “Aldo Moro”, Bari, Italy
| | - Bruno Laganà
- Department of Clinical and Molecular Medicine, Sapienza University of Rome-S. Andrea University Hospital, Rome, Italy
| | - Ennio Lubrano
- Academic Rheumatology Unit, Department of Medicine and Health Sciences "Vincenzo Tiberio", Università Degli Studi del Molise, Campobasso, Italy
| | - Carlomaurizio Montecucco
- Department of Internal Medicine and Therapeutics, Rheumatology Unit, University of Pavia, IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Rosario Peluso
- Department of Clinical Medicine and Surgery, School of Medicine, University Federico II of Naples, Naples, Italy
| | - Roberta Ramonda
- Rheumatology Unit+ EULAR Center of Excellence in Rheumatology, Department of Medicine-DIMED, University of Padova, Padua, Italy
| | - Maurizio Rossini
- Rheumatology Unit, Department of Medicine, University of Verona, Verona, Italy
| | - Carlo Salvarani
- Azienda USL-IRCCS di Reggio Emilia, Università di Modena e Reggio Emilia, Reggio Emilia, Italy
| | | | - Marco Sebastiani
- Rheumatology Unit, CHIMOMO, University of Modena and Reggio Emilia, Modena, Italy
| | - Carlo Selmi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Department of Rheumatology and Clinical Immunology, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
| | - Enrico Tirri
- Rheumatology Unit, Ospedale del Mare, Naples, Italy
| | - Antonio Marchesoni
- Rheumatology, Humanitas San Pio X, Milan, Italy
- Ospedale S. Maria Nuova, Reggio Emilia, Italy
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Kumthekar A, Ashrafi M, Deodhar A. Difficult to treat psoriatic arthritis - how should we manage? Clin Rheumatol 2023; 42:2251-2265. [PMID: 37097525 DOI: 10.1007/s10067-023-06605-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/18/2023] [Accepted: 04/16/2023] [Indexed: 04/26/2023]
Abstract
Psoriatic arthritis (PsA) is a chronic, multi-domain immune-mediated inflammatory arthritis with a high disease burden. PsA patients have significant co-morbidities like obesity, depression, fibromyalgia which can impact disease activity assessment. The management of PsA has undergone a paradigm shift over the last decade due to the availability of multiple biologic and targeted synthetic disease modifying anti-rheumatic drugs. Despite the availability of multiple therapeutic agents, it is not uncommon to find patients not responding adequately and continuing to have active disease and/or high disease burden. In our review, we propose what is "difficult to treat PsA", discuss differential diagnosis, commonly overlooked factors, co-morbidities that affect treatment responses, and suggest a stepwise algorithm to manage these patients.
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Affiliation(s)
- Anand Kumthekar
- Division of Rheumatology, Department of Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY, USA.
| | - Maedeh Ashrafi
- Department of Medicine, Jacobi Medical Center / Albert Einstein College of Medicine, New York, NY, USA
| | - Atul Deodhar
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR, USA
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Ciurea A, Götschi A, Kissling S, Bernatschek A, Bürki K, Exer P, Nissen MJ, Möller B, Scherer A, Micheroli R. Characterisation of patients with axial psoriatic arthritis and patients with axial spondyloarthritis and concomitant psoriasis in the SCQM registry. RMD Open 2023; 9:rmdopen-2022-002956. [PMID: 37277211 DOI: 10.1136/rmdopen-2022-002956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 05/18/2023] [Indexed: 06/07/2023] Open
Abstract
BACKGROUND Within the spectrum of spondyloarthritides, axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA) present with overlapping features. Axial involvement in PsA (axial PsA) is treated according to recommendations for axSpA, as specific studies in axial PsA are scarce. We compared characteristics of patients with axSpA (particularly of patients with axSpA and concomitant psoriasis (pso)) with those of patients with axial PsA. METHODS Patients with axSpA and PsA in the Swiss Clinical Quality Management (SCQM) registry were included if information on pso and axial involvement was available. Patients with AxSpA were stratified by axSpA with and without pso (axSpA±pso) and patients with PsA were stratified to axial PsA or strictly peripheral PsA. RESULTS Previous or current psoriasis was observed in 479/4489 patients with axSpA (10.7%). Of 2631 patients with PsA, 1153 (43.8%) presented with axial involvement (opinion of the treating rheumatologist). Compared with patients with axSpA+pso, patients with axial PsA were older at symptom onset and at inclusion in SCQM, were less frequently HLA-B27 positive, had back pain less frequently and a higher prevalence of dactylitis and peripheral arthritis. A positive family history of pso or PsA was more frequent in axial PsA, while a positive family history of axSpA was more frequent in patients with axSpA+pso. Disease activity, function and mobility were comparable in axSpA+pso versus axial PsA. CONCLUSION Patients with axial PsA differ from patients with axSpA+pso in important demographic and clinical characteristics, and genetically, but present with a comparable disease burden. Treatment studies specifically dedicated to axial PsA seem warranted.
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Affiliation(s)
- Adrian Ciurea
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Andrea Götschi
- DataScience, Swiss Clinical Quality Management in Rheumatic Diseases, Zurich, Switzerland
| | - Seraphina Kissling
- DataScience, Swiss Clinical Quality Management in Rheumatic Diseases, Zurich, Switzerland
| | - Alexander Bernatschek
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kristina Bürki
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | | | - Michael J Nissen
- Department of Rheumatology, Geneva University Hospitals, Geneva, Switzerland
| | - Burkhard Möller
- Department of Rheumatology and Immunology, University Hospital Bern, Bern, Switzerland
| | - Almut Scherer
- DataScience, Swiss Clinical Quality Management in Rheumatic Diseases, Zurich, Switzerland
| | - Raphael Micheroli
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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10
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de Hooge M, Ishchenko A, De Craemer AS, Steinfeld S, Nzeusseu A, Elewaut D, Lories R, de Vlam K, Van den Bosch F. Extent of axial damage in psoriatic arthritis and spondyloarthritis: comparative data from the BEPAS and (Be-)GIANT multicentre cohorts. RMD Open 2023; 9:rmdopen-2023-002994. [PMID: 37137541 PMCID: PMC10163589 DOI: 10.1136/rmdopen-2023-002994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/02/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND To examine radiographic axial damage of the sacroiliac joints and spine in patients with psoriatic arthritis (PsA) and spondyloarthritis (SpA) in private and academic Belgian practices. METHODS Patients with PsA with clinical diagnosis of PsA and fulfilling the Classification Criteria for Psoriatic Arthritis from the prospective Belgian Epidemiological Psoriatic Arthritis Study and patients with SpA fulfilling the Assessment of SpondyloArthritis international Society classification criteria for SpA originate from the Ghent and BelGian Inflammatory Arthritis and spoNdylitis cohorTs were included in this study. Baseline pelvic and spinal radiographs were analysed by two calibrated readers. Blinded for the origin of the cohort or clinical data readers assessed the modified Stoke Ankylosing Spondylitis Spine Score (mSASSS) and modified New York criteria on spinal and pelvic radiographs, respectively. Data were compared between both patient groups. RESULTS Of the 525 patients included (312 PsA and 213 SpA), most patients showed normal spinal radiographs: 87.5% of the patients with PsA and 92.0% of the patients with SpA. Patients with SpA with spinal damage show higher mSASSS than the patients with PsA (p<0.05). In patients with PsA, cervical spine is more often affected; 24/33 patients (72.7%) compared with lumbar spine 11/33 (33.3%). While in patients with SpA, syndesmophyte location was more evenly distributed; cervical 9/14 (64.3%) and lumbar 10/14 (71.4%). CONCLUSION Minimal radiographic spinal damage was observed in Belgian patients with PsA or SpA. Patients with SpA tend to have higher mSASSS values and more syndesmophytes compared with PsA. Syndesmophytes were more often located in the cervical spine of patients with PsA, while the location was equally distributed in axSpA.
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Affiliation(s)
- Manouk de Hooge
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Alla Ishchenko
- Department of Rheumatology, KU Leuven university Hospital, Leuven, Belgium
| | - Ann-Sophie De Craemer
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Serge Steinfeld
- Department of Rheumatology, Clinique St Jean, Brussels, Belgium
| | - Adrien Nzeusseu
- Department of Rheumatology, St Luc University Hospitals, Brussels, Belgium
| | - Dirk Elewaut
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Rik Lories
- Department of Rheumatology, KU Leuven university Hospital, Leuven, Belgium
- Department of Development and Regeneration, Catholic University College Leuven Skeletal Biology and Engineering Research Center, Leuven, Belgium
| | - Kurt de Vlam
- Department of Rheumatology, KU Leuven university Hospital, Leuven, Belgium
- Department of Development and Regeneration, Catholic University College Leuven Skeletal Biology and Engineering Research Center, Leuven, Belgium
| | - Filip Van den Bosch
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
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11
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Baraliakos X, Ranza R, Östör A, Ciccia F, Coates LC, Rednic S, Walsh JA, Douglas K, Gao T, Kato K, Song IH, Ganz F, Deodhar A. Efficacy and safety of upadacitinib in patients with active psoriatic arthritis and axial involvement: results from two phase 3 studies. Arthritis Res Ther 2023; 25:56. [PMID: 37038159 PMCID: PMC10084601 DOI: 10.1186/s13075-023-03027-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/08/2023] [Indexed: 04/12/2023] Open
Abstract
BACKGROUND The objective of this post-hoc analysis was to assess the efficacy and safety of upadacitinib in psoriatic arthritis (PsA) patients with axial involvement. METHODS Post-hoc analysis of SELECT-PsA 1 and SELECT-PsA 2 in patients randomized to upadacitinib 15 mg (UPA15), placebo (switched to UPA15 at week 24), or adalimumab 40 mg (ADA; SELECT-PsA 1 only). Axial involvement was determined by investigator judgement (yes or no; based on the totality of available clinical information, such as duration and characteristics of back pain, age of onset, and previous lab investigations and imaging, if available) alone, or investigator judgement and patient-reported outcome (PRO)-based criteria (Bath Ankylosing Spondylitis Disease Activity Index [BASDAI] ≥ 4 and BASDAI Q2 ≥ 4). Efficacy outcomes that describe axial disease activity, including BASDAI endpoints, such as change from baseline in the overall BASDAI score or proportion of patients achieving BASDAI50 (≥ 50% improvement from baseline), as well as Ankylosing Spondylitis Disease Activity Score (ASDAS) endpoints, such as mean change from baseline in overall ASDAS or proportion of patients achieving ASDAS inactive disease or low disease activity, were evaluated at weeks 12, 24, and 56, with nominal P-values shown. Treatment-emergent adverse events (TEAEs) are summarized through week 56. RESULTS 30.9% of patients in SELECT-PsA 1 and 35.7% in SELECT-PsA 2 had axial involvement by investigator judgement alone; 22.6% (SELECT-PsA 1) and 28.6% (SELECT-PsA 2) had axial involvement by investigator judgement and PRO-based criteria. Greater proportions of patients achieved BASDAI50 with UPA15 versus placebo using either criterion, and versus ADA using investigator judgement alone, at week 24 in SELECT-PsA 1 (investigator alone: UPA15, 59.0%, placebo, 26.9%, P < 0.0001, ADA, 44.1%, P = 0.015; investigator and PRO-based: UPA15, 60.4%, placebo, 29.3%, P < 0.0001, ADA, 47.1%, P = 0.074), with comparable findings in SELECT-PsA 2. Similar results were observed with UPA15 for additional BASDAI and ASDAS endpoints at weeks 12 and 24, with improvements maintained at week 56. Rates of TEAEs were generally similar across sub-groups irrespective of axial involvement status. CONCLUSIONS PsA patients with axial involvement determined by predefined criteria showed greater BASDAI and ASDAS responses with UPA15 versus placebo, and numerically similar/greater responses versus ADA. Safety results were generally comparable between patients with or without axial involvement. TRIAL REGISTRATION ClinicalTrials.gov: SELECT-PsA 1, NCT03104400; SELECT-PsA 2, NCT0310437.
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Affiliation(s)
- Xenofon Baraliakos
- Rheumazentrum Ruhrgebiet, Ruhr-University Bochum, Claudiusstr. 45, 44649, Herne, Germany.
| | - Roberto Ranza
- Serviço de Reumatología, Hospital de Clinicas, Universidade Federal de Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Andrew Östör
- Monash University, Cabrini Hospital & Emeritus Research, Melbourne & ANU, Canberra, Australia
| | | | - Laura C Coates
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Simona Rednic
- Rheumatology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Jessica A Walsh
- Salt Lake City Veterans Affairs Health, Salt Lake City, UT, USA
- University of Utah Health, Salt Lake City, UT, USA
| | | | | | | | | | | | - Atul Deodhar
- Oregon Health & Science University, Portland, OR, USA
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12
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Walsh JA, Ogdie A, Michaud K, Peterson S, Holdsworth EA, Karyekar CS, Booth N, Middleton-Dalby C, Chakravarty SD, Dennis N, Gossec L. Impact of key manifestations of psoriatic arthritis on patient quality of life, functional status, and work productivity: Findings from a real-world study in the United States and Europe. Joint Bone Spine 2023; 90:105534. [PMID: 36706947 DOI: 10.1016/j.jbspin.2023.105534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/20/2022] [Accepted: 01/03/2023] [Indexed: 01/26/2023]
Abstract
OBJECTIVES To determine the individual impact of key manifestations of psoriatic arthritis (PsA) on quality of life (QoL), physical function, and work disability. METHODS Data from the Adelphi 2018 PsA Disease-Specific Programme, a multinational, cross-sectional study of PsA patients, were used. PsA manifestations included peripheral arthritis (number of joints affected), psoriasis (body surface area [BSA]), axial involvement (inflammatory back pain [IBP] and sacroiliitis) enthesitis, and dactylitis. General, and disease-specific QoL, physical function, and work disability were measured with EQ-5D-5L, PsAID-12, HAQ-DI, and WPAI, respectively. Multivariate regression adjusting for potential confounders evaluated the independent effect of PsA manifestations on each outcome. RESULTS Among the 2222 PsA patients analysed, 77.0% had active psoriasis and 64.4% had peripheral arthritis; 5.9%, 6.8%, 10.2%, and 3.6% had enthesitis, dactylitis, IBP, or sacroiliitis, respectively. Mean EQ VAS scores were significantly poorer in patients with vs. without enthesitis (59.9 vs. 75.6), dactylitis (63.6 vs. 75.4), and with greater peripheral joint involvement (none: 82.5; 1-2 affected joints: 74.1; 3-6 joints: 74.2; >6 joints: 65.0). Significantly worse mean PsAID-12 scores were associated with vs. without enthesitis (4.39 vs. 2.34) or dactylitis (4.30 vs. 2.32), and with greater peripheral joint involvement (none: 1.21; 1-2 joints: 2.36; 3-6 joints: 2.74; >6 joints: 3.92), and BSA (none: 1.49; >3-10%: 2.96; >10%: 3.43). Similar patterns were observed with HAQ-DI and WPAI scores. CONCLUSION Most PsA manifestations were independently associated with worse general, and PsA-specific QoL, physical function, and work disability, highlighting the need for treatments targeting the full spectrum of PsA symptoms to lower the burden of disease.
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Affiliation(s)
- Jessica A Walsh
- University of Utah and Salt Lake City Veterans Affairs, Utah, USA.
| | - Alexis Ogdie
- Perelman School of Medicine, Penn Medicine, Philadelphia, USA
| | - Kaleb Michaud
- University of Nebraska Medical Center, Nebraska & Forward Databank, Kansas, USA
| | | | | | | | | | | | - Soumya D Chakravarty
- Janssen Scientific Affairs, LLC, Horsham, USA; Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
| | - Natalie Dennis
- Amaris, Health Economics and Market Access, Paris, France
| | - Laure Gossec
- Sorbonne université, Inserm, Institut Pierre Louis d'épidémiologie et de santé publique, Paris, France; Pitié-Salpêtrière hospital, AP-HP, Sorbonne université, rheumatology department, Paris, France
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13
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Saalfeld W, Mixon AM, Zelie J, Lydon EJ. Differentiating Psoriatic Arthritis from Osteoarthritis and Rheumatoid Arthritis: A Narrative Review and Guide for Advanced Practice Providers. Rheumatol Ther 2021; 8:1493-1517. [PMID: 34519965 PMCID: PMC8572231 DOI: 10.1007/s40744-021-00365-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/24/2021] [Indexed: 12/18/2022] Open
Abstract
Psoriatic arthritis (PsA) is a chronic inflammatory disease that affects multiple organ systems and is characterized by skin and joint manifestations. PsA is frequently undiagnosed and/or misdiagnosed, especially because of the similarities in clinical presentation shared with other arthritic diseases, including rheumatoid arthritis (RA) and osteoarthritis (OA). An accurate and timely diagnosis of PsA is crucial to prevent delays in optimal treatment, which can lead to irreversible joint damage and increased functional disability. Patients are usually seen by a number of different healthcare providers on their path to a diagnosis of PsA, including advanced practice providers (APPs). This review provides a comprehensive overview of the characteristic features that can be used to facilitate the differentiation of PsA from RA and OA. Detailed information on clinical manifestations, biomarkers, radiologic features, and therapeutic recommendations for PsA included here can be applied in routine clinical settings to provide APPs with the confidence and knowledge to recognize and refer patients more accurately to rheumatologists for management of patients with PsA.
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Affiliation(s)
- William Saalfeld
- Arthritis Center of Nebraska, 3901 Pine Lake Road, Suite 120, Lincoln, NE, 68516, USA.
| | - Amanda M Mixon
- Arthritis and Rheumatology Clinic of Northern Colorado, Fort Collins, CO, USA
| | - Jonna Zelie
- URMC Division of Rheumatology, Rochester, NY, USA
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14
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Poddubnyy D, Jadon DR, Van den Bosch F, Mease PJ, Gladman DD. Axial involvement in psoriatic arthritis: An update for rheumatologists. Semin Arthritis Rheum 2021; 51:880-887. [PMID: 34198146 DOI: 10.1016/j.semarthrit.2021.06.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 02/08/2023]
Abstract
Psoriatic arthritis (PsA) is a heterogenous, chronic, inflammatory musculoskeletal disease that can lead to peripheral and axial damage and loss of function. Axial involvement occurs in 25% to 70% of patients with PsA, varying greatly depending on its definition, with the key manifestations being sacroiliitis and/or spondylitis. However, there are no agreed-upon classification or diagnostic criteria for axial involvement in PsA and no consensus on treatment paradigms, which complicates management of PsA. There have only been a few studies assessing biologics in patients with PsA with axial involvement, and most treatment plans are based on evidence from patients with axial spondyloarthritis. Rheumatologists therefore face many challenges in the management of axial PsA, including diagnosis, differential diagnosis, and choice of appropriate treatment. In this review, we summarize the clinical presentation, imaging characteristics, differential diagnoses, treatment options, and prognosis of axial PsA, with the aim of increasing rheumatologists' knowledge of this phenotype of PsA and thereby aiding its optimal management.
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Affiliation(s)
- Denis Poddubnyy
- Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité-Universitätsmedizin Berlin, Berlin, Germany.
| | - Deepak R Jadon
- Department of Rheumatology, University of Cambridge, Cambridge, United Kingdom
| | - Filip Van den Bosch
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium, and VIB Center for Inflammation Research, Ghent, Belgium
| | - Philip J Mease
- Swedish Medical Center/Providence St Joseph Health, Seattle, WA, USA, and University of Washington, Seattle, WA, USA
| | - Dafna D Gladman
- Schroeder Arthritis Institute, Krembil Research Institutef, University of Toronto, Toronto Western Hospital, Toronto, ON, Canada
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