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Botabekova A, Baimukhamedov C, Zimba O, Mehta P. Examining the clinical and radiological landscape of rhupus: navigating the challenges in disease classification. Rheumatol Int 2024:10.1007/s00296-024-05561-0. [PMID: 38512479 DOI: 10.1007/s00296-024-05561-0] [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: 01/06/2024] [Accepted: 02/17/2024] [Indexed: 03/23/2024]
Abstract
Rhupus, in the broad sense, refers to an overlap between rheumatoid arthritis (RA) and lupus. However, there is a paucity of data on the appropriate diagnostic/classification criteria that should be used to define rhupus. Hence, we undertook this narrative review to analyze the clinical characteristics, radiology, and treatment with a focus on diagnostic challenges and defining features of rhupus. The databases of Medline/PubMed, Scopus, and DOAJ were searched for relevant articles using the following keywords: ("Rhupus"), ("lupus" AND "erosive" AND "arthritis"), and ("lupus" AND "rheumatoid arthritis" AND "overlap"). Studies have used a variety of classification criteria for rhupus of which a combination of the latest classification criteria for RA and lupus along with positive anti-cyclic citrullinated peptide, anti-Smith, and anti-dsDNA antibodies seem most relevant. The majority of rhupus cohorts report the onset of the disease as RA (two-thirds of rhupus patients) followed by the development of features of lupus at an average interval of 3-11.3 years. The radiographic features and distribution of erosions are similar to RA. However, ultrasonography and MRI reveal erosions in pure lupus related arthritis as well. This makes the reliability of radiologic tools for the evaluation of rhupus supportive at the most. Extra-articular features in rhupus are mild with major organ involvement in the form of neuropsychiatric lupus and lupus nephritis being rare. We have further discussed the fallacies of the various classification criteria and proposed a theme for classifying rhupus which needs to be tested and validated in future studies. Our current state of understanding supports rhupus as an overlap of SLE and RA with articular disease similar to RA with the extra-articular disease being milder than SLE. Developing standardized classification criteria for rhupus will help in the early diagnosis and prevention of articular damage in patients with rhupus.
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Affiliation(s)
- Aliya Botabekova
- Department of General Practice N2, South Kazakhstan Medical Academy, Shymkent, Kazakhstan
- Shymkent Medical Centre of Joint Diseases, Shymkent, Kazakhstan
| | - Chokan Baimukhamedov
- Department of General Practice N2, South Kazakhstan Medical Academy, Shymkent, Kazakhstan
- Shymkent Medical Centre of Joint Diseases, Shymkent, Kazakhstan
| | - Olena Zimba
- Department of Clinical Rheumatology and Immunology, University Hospital in Krakow, Krakow, Poland
- National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
- Department of Internal Medicine N2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Pankti Mehta
- Department of Clinical Rheumatology and Immunology, King George's Medical University, Lucknow, India.
- Clinical Fellow, SLE and Psoriatic Arthritis Fellowship Program, Department of Medicine, University of Toronto, Toronto, Canada.
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Taylor JV, Callery EL, Rowbottom A. Optimisation of SARS-CoV-2 peptide stimulation and measurement of cytokine output by intracellular flow cytometry and bio-plex analysis. J Immunol Methods 2023; 522:113556. [PMID: 37683822 DOI: 10.1016/j.jim.2023.113556] [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: 07/21/2023] [Revised: 09/02/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Our study was conducted to optimise a peptide stimulation and an intracellular cytokine staining protocol, alongside Bio-Plex supernatant analysis, for use in patients who had previously contracted SARS-CoV-2 or received vaccination against this virus in a clinical laboratory setting. Peripheral Blood Mononuclear Cell extraction and cryopreservation allowed for cells to be stored long term and enhanced logistical processing of samples. Viability and functionality of cells were analysed by flow cytometric methodology using viability staining monoclonal antibodies conjugated to fluorochromes. Antibiotics and Benzonase Nuclease did not impact lymphocyte viability and so cell culture conditions were optimised in terms of retaining viability and functionality. Optimisation of peptide stimulation with Influenza and SARS-CoV-2 peptide pools was conducted through stimulation experiments assessing peptide concentration, peptide stimulation time and enrichment studies to increase precursor frequency. Cytokine output was measured by flow cytometry and Bio-Plex methodologies, with positive cytokine readings predominantly detected in the cell culture supernatant. Analysis of both intracellular and extracellular compartments allowed for detection of cytokines and established the retained cellular functionality post cryopreservation. These results also indicated that our peptide stimulation method can generate antigen-specific T lymphocytes upon exposure to SARS-CoV-2 peptide pools. Moreover, the measurement of specific cytokines could be applied to an array of conditions, such as chronic inflammatory diseases, but to also offer an alternative method of measuring vaccine responses. This platform is easily adaptable and can remain relevant alongside changing vaccine composition, thus ensuring its applicability to future vaccination programmes.
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Affiliation(s)
| | | | - Anthony Rowbottom
- Immunology Department at Lancashire Teaching Hospitals, United Kingdom
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Gomez A, Parodis I. Do biological agents improve health-related quality of life in patients with systemic lupus erythematosus? Results from a systematic search of the literature. Autoimmun Rev 2022; 21:103188. [PMID: 36089249 DOI: 10.1016/j.autrev.2022.103188] [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: 08/20/2022] [Accepted: 09/04/2022] [Indexed: 11/29/2022]
Abstract
Despite an unprecedented rise in the number of biological therapies developed for systemic lupus erythematosus (SLE) during the last decades, most randomised clinical trials (RCTs) have failed to reach their primary efficacy endpoint. These endpoints mainly constitute composite outcomes that encompass disease activity indices derived from clinician-reported and laboratory data and do not necessarily reflect the patient perspective, as symptoms that represent major concerns to patients, such as fatigue, are seldom part of the evaluation. To overcome this limitation, patient-reported outcomes (PROs) constitute useful tools for evaluating the effect of an intervention on facets that are particularly relevant for the patients. In the present review, we performed a systematic literature search aiming to examine the effect of biological therapies on SLE patients' health-related quality of life (HRQoL) and fatigue in RCT and real-life settings. We summarised results concerning 14 different biological agents, the majority of which targeting B cells or type I interferons, and discuss strategies that have been used to analyse HRQoL data, putting emphasis on minimal clinically important differences and the potential use of PROs as distinct targets in treat-to-target approaches. Lastly, we discuss differences between generic and disease-specific PRO measures and highlight the need of using a combination thereof aiming to capture the patient perspective in a comprehensive manner.
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Affiliation(s)
- Alvaro Gomez
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Ioannis Parodis
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden; Department of Rheumatology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden.
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Ghorbaninezhad F, Leone P, Alemohammad H, Najafzadeh B, Nourbakhsh NS, Prete M, Malerba E, Saeedi H, Tabrizi NJ, Racanelli V, Baradaran B. Tumor necrosis factor‑α in systemic lupus erythematosus: Structure, function and therapeutic implications (Review). Int J Mol Med 2022; 49:43. [PMID: 35137914 DOI: 10.3892/ijmm.2022.5098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/05/2022] [Indexed: 11/06/2022] Open
Abstract
Tumor necrosis factor‑α (TNF‑α) is a pleiotropic pro‑inflammatory cytokine that contributes to the pathophysiology of several autoimmune diseases, such as multiple sclerosis, inflammatory bowel disease, rheumatoid arthritis, psoriatic arthritis and systemic lupus erythematosus (SLE). The specific role of TNF‑α in autoimmunity is not yet fully understood however, partially, in a complex disease such as SLE. Through the engagement of the TNF receptor 1 (TNFR1) and TNF receptor 2 (TNFR2), both the two variants, soluble and transmembrane TNF‑α, can exert multiple biological effects according to different settings. They can either function as immune regulators, impacting B‑, T‑ and dendritic cell activity, modulating the autoimmune response, or as pro‑inflammatory mediators, regulating the induction and maintenance of inflammatory processes in SLE. The present study reviews the dual role of TNF‑α, focusing on the different effects that TNF‑α may have on the pathogenesis of SLE. In addition, the efficacy and safety of anti‑TNF‑α therapies in preclinical and clinical trials SLE are discussed.
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Affiliation(s)
- Farid Ghorbaninezhad
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, East Azerbaijan 5165665811, Iran
| | - Patrizia Leone
- Department of Biomedical Sciences and Human Oncology, 'Aldo Moro' University of Bari Medical School, I‑70124 Bari, Italy
| | - Hajar Alemohammad
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, East Azerbaijan 5166616471, Iran
| | - Basira Najafzadeh
- Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, East Azerbaijan 5166616471, Iran
| | - Niloufar Sadat Nourbakhsh
- Department of Genetics, Faculty of Basic Sciences, Kazerun Branch, Islamic Azad University, Kazerun, Fars 7319846451, Iran
| | - Marcella Prete
- Department of Biomedical Sciences and Human Oncology, 'Aldo Moro' University of Bari Medical School, I‑70124 Bari, Italy
| | - Eleonora Malerba
- Department of Biomedical Sciences and Human Oncology, 'Aldo Moro' University of Bari Medical School, I‑70124 Bari, Italy
| | - Hossein Saeedi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, East Azerbaijan 5165665811, Iran
| | - Neda Jalili Tabrizi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, East Azerbaijan 5165665811, Iran
| | - Vito Racanelli
- Department of Biomedical Sciences and Human Oncology, 'Aldo Moro' University of Bari Medical School, I‑70124 Bari, Italy
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, East Azerbaijan 5165665811, Iran
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Said JT, Elman SA, Merola JF. Evaluating safety and compatibility of anti-tumor necrosis factor therapy in patients with connective tissue disorders. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:430. [PMID: 33842651 PMCID: PMC8033307 DOI: 10.21037/atm-20-5552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Inhibition of the proinflammatory cytokine tumor necrosis factor alpha (TNFα) has been utilized as a treatment strategy for a variety of immune-mediated inflammatory disorders (IMID), including rheumatoid arthritis, Crohn’s disease and psoriasis. A wide array of biologic therapies targeting the TNFα molecule, including etanercept, infliximab, certolizumab, golimumab and adalimumab, are routinely used in the care of patients with these conditions. In addition to their therapeutic potential, anti-TNFα agents commonly induce the formation of autoantibodies such as anti-nuclear antibodies and anti-double stranded DNA antibodies; however, the vast majority of these are of IgM isotype and of unclear clinical significance, uncommonly leading to drug-induced autoimmune disease. For these reasons, TNFα inhibition has been a controversial strategy in the treatment of primary connective tissue disorders (CTDs). However, as new therapeutics continue to be developed for the management of CTDs, the potential utility for anti-TNFα agents has become of great interest, demonstrated in several recent case series and small open-label trials. We review the safety and compatibility of anti-TNFα therapy in the management of systemic lupus erythematosus (SLE) and cutaneous lupus erythematosus (CLE), two well-studied example CTDs, as well as summarize the risks of autoantibody generation, infection, malignancy, and iatrogenic lupus flares as side effects of blocking TNFα in patients with these conditions.
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Affiliation(s)
- Jordan T Said
- Department of Dermatology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA, USA
| | - Scott A Elman
- Department of Dermatology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA, USA
| | - Joseph F Merola
- Department of Dermatology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA, USA
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Lorenzo-Vizcaya A, Isenberg DA. The use of anti-TNF-alpha therapies for patients with systemic lupus erythematosus. Where are we now? Expert Opin Biol Ther 2021; 21:639-647. [PMID: 33216641 DOI: 10.1080/14712598.2021.1853096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Systemic lupus erythematosus (SLE) is an autoimmune rheumatic disease characterized by multiple pathologies in which sustained inflammatory activity leads to progressive tissue destruction and organ damage. One of the main proinflammatory cytokines playing a key role in autoimmune diseases such as rheumatoid arthritis (RA) or SLE, is tumor necrosis factor (TNF) alpha. AREAS COVERED The introduction of TNF-alpha inhibitors revolutionized the treatment of RA and other conditions including psoriatic arthritis and ankylosing spodylitis. We review here the efficacy and safety of TNF-alpha blockers in SLE focussing on why it has not been more widely used since TNF-alpha was reported to be increased in SLE patients and to correlate with disease activity. EXPERT OPINION We summarize the reported SLE cases that have received TNF-alpha blockers and the main results to date. We reflect on whether there is a case to reconsider the use of TNF-alpha blockade in SLE.
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Affiliation(s)
- Ana Lorenzo-Vizcaya
- Department of Internal Medicine, Hospital Universitario De Ourense. Ourense, Spain
| | - David A Isenberg
- Department of Rheumatology, Division of Medicine, University College London. London, UK
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7
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Alsubiaee K, Alharbi N, Almutairi N. Infliximab (an antitumor necrosis factor) induced lupus in a patient with inflammatory bowel disease. SAUDI JOURNAL FOR HEALTH SCIENCES 2021. [DOI: 10.4103/sjhs.sjhs_110_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Izadi Z. Health‐Related Quality of Life Measures in Adult Systemic Lupus Erythematosus. Arthritis Care Res (Hoboken) 2020; 72 Suppl 10:577-592. [DOI: 10.1002/acr.24245] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/28/2020] [Indexed: 12/31/2022]
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9
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Rhupus: a systematic literature review. Autoimmun Rev 2020; 19:102612. [DOI: 10.1016/j.autrev.2020.102612] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 01/12/2023]
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10
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Adverse Cutaneous Reactions of Common Biologic Medications for Rheumatic Diseases. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2019. [DOI: 10.1007/s40674-019-00129-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Melsheimer R, Geldhof A, Apaolaza I, Schaible T. Remicade ® (infliximab): 20 years of contributions to science and medicine. Biologics 2019; 13:139-178. [PMID: 31440029 PMCID: PMC6679695 DOI: 10.2147/btt.s207246] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 05/16/2019] [Indexed: 12/17/2022]
Abstract
On August 24, 1998, Remicade® (infliximab), the first tumor necrosis factor-α (TNF) inhibitor, received its initial marketing approval from the US Food and Drug Administration for the treatment of Crohn’s disease. Subsequently, Remicade was approved in another five adult and two pediatric indications both in the USA and across the globe. In the 20 years since this first approval, Remicade has made several important contributions to the advancement of science and medicine: 1) clinical trials with Remicade established the proof of concept that targeted therapy can be effective in immune-mediated inflammatory diseases; 2) as the first monoclonal antibody approved for use in a chronic condition, Remicade helped in identifying methods of administering large, foreign proteins repeatedly while limiting the body’s immune response to them; 3) the need to establish Remicade’s safety profile required developing new methods and setting new standards for postmarketing safety studies, specifically in the real-world setting, in terms of approach, size, and duration of follow-up; 4) the study of Remicade has improved our understanding of TNF’s role in the immune system, as well as our understanding of the pathophysiology of a range of diseases characterized by chronic inflammation; and 5) Remicade and other TNF inhibitors have transformed treatment practices in these chronic inflammatory diseases: remission has become a realistic goal of therapy and long-term disability resulting from structural damage can be prevented. This paper reviews how, over the course of its development and 20 years of use in clinical practice, Remicade was able to make these contributions.
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Affiliation(s)
| | - Anja Geldhof
- Medical Affairs, Janssen Biologics BV, Leiden, the Netherlands
| | - Isabel Apaolaza
- Medical Affairs, Janssen Biologics BV, Leiden, the Netherlands
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Biologics in the Treatment of Lupus Erythematosus: A Critical Literature Review. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8142368. [PMID: 31396534 PMCID: PMC6668536 DOI: 10.1155/2019/8142368] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 06/18/2019] [Indexed: 01/07/2023]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disease affecting multiple organ systems that runs an unpredictable course and may present with a wide variety of clinical manifestations. Advances in treatment over the last decades, such as use of corticosteroids and conventional immunosuppressive drugs, have improved life expectancy of SLE sufferers. Unfortunately, in many cases effective management of SLE is still related to severe drug-induced toxicity and contributes to organ function deterioration and infective complications, particularly among patients with refractory disease and/or lupus nephritis. Consequently, there is an unmet need for drugs with a better efficacy and safety profile. A range of different biologic agents have been proposed and subjected to clinical trials, particularly dedicated to this subset of patients whose disease is inadequately controlled by conventional treatment regimes. Unfortunately, most of these trials have given unsatisfactory results, with belimumab being the only targeted therapy approved for the treatment of SLE so far. Despite these pitfalls, several novel biologic agents targeting B cells, T cells, or cytokines are constantly being evaluated in clinical trials. It seems that they may enhance the therapeutic efficacy when combined with standard therapies. These efforts raise the hope that novel drugs for patients with refractory SLE may be available in the near future. This article reviews the current biological therapies being tested in the treatment of SLE.
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Li Y, Wang R, Liu S, Liu J, Pan W, Li F, Li J, Meng D. Interleukin-25 is upregulated in patients with systemic lupus erythematosus and ameliorates murine lupus by inhibiting inflammatory cytokine production. Int Immunopharmacol 2019; 74:105680. [PMID: 31200339 DOI: 10.1016/j.intimp.2019.105680] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 06/03/2019] [Accepted: 06/03/2019] [Indexed: 11/29/2022]
Abstract
Interleukin-25 (IL-25), an anti-inflammatory member of the IL-17 family of cytokines, has been extensively investigated in multiple autoimmune and inflammatory diseases. However, its pathogenic role in systemic lupus erythematosus (SLE) remains largely unknown. This study aimed to explore the expression and clinical significance of IL-25 in patients with SLE as well as its pathogenic role in lupus-prone MRL/lpr mice. The results showed that IL-25 mRNA and serum levels were increased in patients with SLE compared with those in healthy controls. Higher IL-25 mRNA and serum levels were found in patients with an active disease. IL-25 levels were positively associated with SLEDAI, anti-dsDNA, and IgG but negatively associated with C3 and C4. Ex vivo assay showed that IL-25 could inhibit the production of the inflammatory cytokines IL-1β, IL-17, IL-6, and IFN-γ as well as TNF-α in the peripheral blood mononuclear cells in patients with SLE. In vivo studies revealed that treatment with IL-25 significantly ameliorated lupus symptoms in lupus-prone MRL/lpr mice by suppressing the production of inflammatory cytokines, including IL-1α, IL-1β, IL-6, IL-12p70, IL-17A, and IFN-β. Cumulatively, our results suggest that IL-25 levels are increased in patients with SLE and associated with disease activity; IL-25 plays a potent immunosuppressive role in the pathogenesis of SLE by suppressing the production of inflammatory cytokines. IL-25 could potentially be used as a diagnostic and therapeutic target for SLE treatment.
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Affiliation(s)
- Yongsheng Li
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Rui Wang
- Department of Hematology, Lianshui County People's Hospital, No. 6 Hongri Road, Lianshui, Huai'an 224600, China
| | - Shanshan Liu
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Juan Liu
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Wenyou Pan
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Fang Li
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Ju Li
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China
| | - Deqian Meng
- Department of Rheumatology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, No. 6 West Road, Huai'an, Beijing 223300, China.
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Barbacki A, Petri M, Aviña-Zubieta A, Alarcón GS, Bernatsky S. Fatigue Measurements in Systemic Lupus Erythematosus. J Rheumatol 2019; 46:1470-1477. [PMID: 30709953 DOI: 10.3899/jrheum.180831] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2019] [Indexed: 01/28/2023]
Abstract
OBJECTIVE Fatigue is a frequent, disabling issue in systemic lupus erythematosus (SLE). It is, however, difficult to quantify. The Ad Hoc Committee on SLE Response Criteria for Fatigue in 2007 recommended using the Krupp Fatigue Severity Scale (FSS). Since then, the Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Scale has also been validated in SLE. We performed a review of instruments used to measure fatigue in adult SLE patients from 2007 onward. METHODS We searched PubMed, Medline, and Embase (January 2008-October 2017), identifying clinical trials and observational studies in adult SLE, where fatigue was a specifically measured outcome. All English and French studies were reviewed to determine fatigue measures and results. RESULTS Thirty-seven studies met inclusion criteria. Eight scales were used. The visual analog scale (VAS), FSS, and FACIT-Fatigue Scale were most frequent. FSS was the most often used instrument in both clinical trials and observational studies. Twenty-five of the 37 studies demonstrated a difference in fatigue that was statistically significant and clinically meaningful. Of the 12 studies that did not, 6 used FSS, 3 used VAS, 2 used the Multidimensional Assessment of Fatigue, and 1 used the Brief Fatigue Index. All 6 studies using the FACIT-Fatigue Scale detected clinically meaningful and statistically significant differences. CONCLUSION VAS, FSS, and FACIT-Fatigue Scale were the most frequently used instruments in adult SLE studies from 2008 to 2017. Many studies detected clinically important changes in fatigue. Fatigue remains a key measure in both clinical trials and observational SLE studies.
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Affiliation(s)
- Ariane Barbacki
- From the Department of Medicine, Division of Rheumatology, McGill University Health Centre, Montreal, Quebec; Division of Rheumatology, Department of Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia; Arthritis Research Centre of Canada, Richmond, British Columbia; Department of Experimental Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada; Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.,A. Barbacki, MD, Department of Medicine, Division of Rheumatology, McGill University Health Centre; M. Petri, MD, MPH, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Aviña-Zubieta, MD, MSc, PhD, Division of Rheumatology, Department of Medicine, and Department of Experimental Medicine, University of British Columbia Faculty of Medicine, and Arthritis Research Centre of Canada; G.S. Alarcón, MD, MPH, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham; S. Bernatsky, MD, PhD, Department of Medicine, Division of Rheumatology, McGill University Health Centre
| | - Michelle Petri
- From the Department of Medicine, Division of Rheumatology, McGill University Health Centre, Montreal, Quebec; Division of Rheumatology, Department of Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia; Arthritis Research Centre of Canada, Richmond, British Columbia; Department of Experimental Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada; Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.,A. Barbacki, MD, Department of Medicine, Division of Rheumatology, McGill University Health Centre; M. Petri, MD, MPH, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Aviña-Zubieta, MD, MSc, PhD, Division of Rheumatology, Department of Medicine, and Department of Experimental Medicine, University of British Columbia Faculty of Medicine, and Arthritis Research Centre of Canada; G.S. Alarcón, MD, MPH, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham; S. Bernatsky, MD, PhD, Department of Medicine, Division of Rheumatology, McGill University Health Centre
| | - Antonio Aviña-Zubieta
- From the Department of Medicine, Division of Rheumatology, McGill University Health Centre, Montreal, Quebec; Division of Rheumatology, Department of Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia; Arthritis Research Centre of Canada, Richmond, British Columbia; Department of Experimental Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada; Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.,A. Barbacki, MD, Department of Medicine, Division of Rheumatology, McGill University Health Centre; M. Petri, MD, MPH, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Aviña-Zubieta, MD, MSc, PhD, Division of Rheumatology, Department of Medicine, and Department of Experimental Medicine, University of British Columbia Faculty of Medicine, and Arthritis Research Centre of Canada; G.S. Alarcón, MD, MPH, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham; S. Bernatsky, MD, PhD, Department of Medicine, Division of Rheumatology, McGill University Health Centre
| | - Graciela S Alarcón
- From the Department of Medicine, Division of Rheumatology, McGill University Health Centre, Montreal, Quebec; Division of Rheumatology, Department of Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia; Arthritis Research Centre of Canada, Richmond, British Columbia; Department of Experimental Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada; Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.,A. Barbacki, MD, Department of Medicine, Division of Rheumatology, McGill University Health Centre; M. Petri, MD, MPH, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Aviña-Zubieta, MD, MSc, PhD, Division of Rheumatology, Department of Medicine, and Department of Experimental Medicine, University of British Columbia Faculty of Medicine, and Arthritis Research Centre of Canada; G.S. Alarcón, MD, MPH, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham; S. Bernatsky, MD, PhD, Department of Medicine, Division of Rheumatology, McGill University Health Centre
| | - Sasha Bernatsky
- From the Department of Medicine, Division of Rheumatology, McGill University Health Centre, Montreal, Quebec; Division of Rheumatology, Department of Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia; Arthritis Research Centre of Canada, Richmond, British Columbia; Department of Experimental Medicine, University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada; Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA. .,A. Barbacki, MD, Department of Medicine, Division of Rheumatology, McGill University Health Centre; M. Petri, MD, MPH, Division of Rheumatology, Johns Hopkins University School of Medicine; A. Aviña-Zubieta, MD, MSc, PhD, Division of Rheumatology, Department of Medicine, and Department of Experimental Medicine, University of British Columbia Faculty of Medicine, and Arthritis Research Centre of Canada; G.S. Alarcón, MD, MPH, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Alabama at Birmingham; S. Bernatsky, MD, PhD, Department of Medicine, Division of Rheumatology, McGill University Health Centre.
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15
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Izadi Z, Gandrup J, Katz PP, Yazdany J. Patient-reported outcome measures for use in clinical trials of SLE: a review. Lupus Sci Med 2018; 5:e000279. [PMID: 30167315 PMCID: PMC6109821 DOI: 10.1136/lupus-2018-000279] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/19/2018] [Accepted: 07/21/2018] [Indexed: 12/16/2022]
Abstract
Inclusion of patient-reported outcomes is important in SLE clinical trials as they allow capture of the benefits of a proposed intervention in areas deemed pertinent by patients. We aimed to compare the measurement properties of health-related quality of life (HRQoL) measures used in adults with SLE and to evaluate their responsiveness to interventions in randomised controlled trials (RCTs). A systematic review was undertaken using full original papers in English identified from three databases: MEDLINE, EMBASE and PubMed. Studies describing the validation of HRQoL measures in English-speaking adult patients with SLE and SLE drug RCTs that used an HRQoL measure were retrieved. Twenty-five validation papers and 26 RCTs were included in the indepth review evaluating the measurement properties of 4 generic (Medical Outcomes Study Short-Form 36 (SF36), Patient Reported Outcomes Measurement Information System (PROMIS) item-bank, EuroQol-5D, and Functional Assessment of Chronic Illness Therapy-Fatigue) and 3 disease-specific (Lupus Quality of Life (LupusQoL), Lupus Patient Reported Outcomes, Lupus Impact Tracker (LIT)) instruments. All measures had good convergent and discriminant validity. PROMIS provided the strongest evidence for known-group validity and reliability among generic instruments; however, data on its responsiveness have not been published. Across measures, standardised response means were generally indicative of poor-moderate sensitivity to longitudinal change. In RCTs, clinically important improvements were reported in SF36 scores from baseline; however, between-arm differences were frequently non-significant and non-important. SF36, PROMIS, LupusQoL and LIT had the strongest evidence for acceptable measurement properties, but few measures aside from the SF36 have been incorporated into clinical trials. This review highlights the importance of incorporating a broader range of SLE-specific HRQoL measures in RCTs and warrants further research that focuses on longitudinal responsiveness of newer instruments.
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Affiliation(s)
- Zara Izadi
- Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA
| | - Julie Gandrup
- Division of Rheumatology, University of California, San Francisco, California, USA
| | - Patricia P Katz
- Division of Rheumatology, University of California, San Francisco, California, USA
| | - Jinoos Yazdany
- Division of Rheumatology, University of California, San Francisco, California, USA
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16
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Danion F, Sparsa L, Arnaud L, Alsaleh G, Lefebvre F, Gies V, Martin T, Lukas C, Durckel J, Ardizzone M, Javier RM, Kleinmann JF, Moreau P, Blaison G, Goetz J, Chatelus E, Gottenberg JE, Sibilia J, Sordet C. Long-term efficacy and safety of antitumour necrosis factor alpha treatment in rhupus: an open-label study of 15 patients. RMD Open 2017; 3:e000555. [PMID: 29435362 PMCID: PMC5761296 DOI: 10.1136/rmdopen-2017-000555] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 10/04/2017] [Accepted: 10/21/2017] [Indexed: 11/03/2022] Open
Abstract
Background The efficacy of antitumour necrosis factor alpha (anti-TNF-α) treatment is well recognised in rheumatoid arthritis (RA) but remains controversial in systemic lupus erythematosus (SLE). Therefore, the role of anti-TNF-α treatment in 'Rhupus', a disease sharing features of RA and SLE, is still debated. Objective To evaluate the efficacy and tolerance of anti-TNF-α in patients with rhupus. Methods Fifteen patients with rhupus with Disease Activity Score 28 (DAS 28) >3.2 despite conventional disease-modifying anti-rheumatic drugs were included in an open-label study. Patients were monitored at months (M) 3, 6, 12, 24 and 60 with SLE Disease Activity Index (SLEDAI) and DAS 28. Statistical analyses were performed using Bayesian methods and Prob >97.5% was considered significant. Results Twelve patients were treated with etanercept for a median duration of 62.5 (range: 6-112) months and three patients by adalimumab during 36.0 (range: 4-52) months. At baseline, median DAS 28 and SLEDAI were 5.94 (4.83-8.09) and 6 (4-8), respectively. DAS 28 and SLEDAI decreased significantly after 3 months, respectively, to 3.70 (1.80-6.42) and 4 (0-6) (Prob >99.9%, for both). These changes persisted at M6, M12, M24 and M60 (Prob >99.9%, for all). Median prednisone dose decreased significantly from 15 (5-35) mg/day to 5 (0-20) mg/day after 6 months and over the follow-up (Prob >99.9%, for all). Tolerance was acceptable, with a severe infection rate of 3.0 per 100 patient-years. Conclusion This pilot study suggests that anti-TNF-α is effective in patients with rhupus with refractive arthritis and has an acceptable safety profile.
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Affiliation(s)
- François Danion
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Laetitia Sparsa
- Department of Rheumatology, Centre de compétence maladies rares et autoimmunes, Centre Hospitalier de Mulhouse, Mulhouse, France
| | - Laurent Arnaud
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Ghada Alsaleh
- UMR 1109 Immuno-Rhumatologie Moléculaire, INSERM, Strasbourg, France
| | - François Lefebvre
- Department of Public Health, Hopitaux universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Vincent Gies
- UPR 3572 Immunopathology and Therapeutic Chemistry, CNRS, Strasbourg, France
| | - Thierry Martin
- UPR 3572 Immunopathology and Therapeutic Chemistry, CNRS, Strasbourg, France.,Department of Internal Medicine, Centre de références des maladies rares et auto immunes, Hopitaux universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Cédric Lukas
- Department of Rheumatology, Lapeyronie Hospital, Montpellier University, Montpellier, France
| | - Jean Durckel
- Department of Radiology, Hopitaux universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Marc Ardizzone
- Department of Rheumatology, Centre de compétence maladies rares et autoimmunes, Centre Hospitalier de Mulhouse, Mulhouse, France
| | - Rose-Marie Javier
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Jean-François Kleinmann
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Paul Moreau
- Department of Rheumatology, Hopital Louis Pasteur, Colmar, Alsace, France
| | - Gilles Blaison
- Department of Internal Medicine, Hopital Louis Pasteur, Colmar, Alsace, France
| | - Joelle Goetz
- Department of Immunology, Hopitaux universitaires de Strasbourg, Strasbourg, France
| | - Emmanuel Chatelus
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Jacques-Eric Gottenberg
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France.,UPR 3572 Immunopathology and Therapeutic Chemistry, CNRS, Strasbourg, France
| | - Jean Sibilia
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France.,UMR 1109 Immuno-Rhumatologie Moléculaire, INSERM, Strasbourg, France
| | - Christelle Sordet
- Department of Rheumatology, Centre de référence des maladies rares et auto immunes, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.,Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
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17
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McAdoo SP, Pusey CD. Is there a role for TNFα blockade in ANCA-associated vasculitis and glomerulonephritis? Nephrol Dial Transplant 2017; 32:i80-i88. [PMID: 28391344 DOI: 10.1093/ndt/gfw361] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 09/09/2016] [Indexed: 12/16/2022] Open
Abstract
Tumour necrosis factor alpha (TNFα) is a cytokine that is pivotal in the inflammatory response. Blockade of TNFα has been shown to be effective in a number of human autoimmune diseases, including rheumatoid arthritis, raising the question of whether this approach may be effective in inflammatory kidney disease, such as ANCA-associated vasculitis (AAV). In AAV, there is considerable evidence for the role of TNFα in the pathophysiology of disease, including increased expression of TNFα mRNA in leucocytes and in renal tissue. Importantly, TNFα can induce leucocyte cell membrane expression of the autoantigens involved in vasculitis [proteinase 3 and myeloperoxidase (MPO)], thus priming cells for the effects of ANCA. In rodent models of anti-GBM disease (nephrotoxic nephritis), TNFα enhances glomerular injury and TNFα blockade using soluble TNFα receptor or anti-TNFα antibody ameliorates disease. Mice deficient in TNFα are protected from nephrotoxic nephritis and this effect is dependent mainly on intrinsic renal cells. A mouse model of anti-MPO antibody-induced glomerulonephritis is enhanced by LPS, and this effect is blocked by anti-TNFα antibody. In a rat model of AAV induced by MPO (experimental autoimmune vasculitis), anti-TNFα antibody improves renal pathology and also reduces leucocyte transmigration, as shown by intravital microscopy. In clinical studies, the Wegener's Granulomatosis Etanercept Trial (WGET) showed no benefit of additional etanercept versus standard therapy. However, there are several reasons why the results of the WGET study do not rule out the use of anti-TNFα antibody in acute renal AAV, including the study design and the considerable biological differences between the effects of etanercept and anti-TNFα antibody. There are several clinical studies demonstrating a response to anti-TNFα antibody in patients with AAV refractory to conventional treatment, and in some of these, the addition of anti-TNFα antibody was the only change in treatment. We suggest that further investigation of TNFα blockade in AAV is warranted.
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Affiliation(s)
- Stephen P McAdoo
- Renal and Vascular Inflammation Section, Department of Medicine, Imperial College London, London, UK
| | - Charles D Pusey
- Renal and Vascular Inflammation Section, Department of Medicine, Imperial College London, London, UK
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18
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Giacomelli R, Afeltra A, Alunno A, Baldini C, Bartoloni-Bocci E, Berardicurti O, Carubbi F, Cauli A, Cervera R, Ciccia F, Cipriani P, Conti F, De Vita S, Di Benedetto P, Doria A, Drosos AA, Favalli EG, Gandolfo S, Gatto M, Grembiale RD, Liakouli V, Lories R, Lubrano E, Lunardi C, Margiotta DPE, Massaro L, Meroni P, Minniti A, Navarini L, Pendolino M, Perosa F, Pers JO, Prete M, Priori R, Puppo F, Quartuccio L, Ruffatti A, Ruscitti P, Russo B, Sarzi-Puttini P, Shoenfeld Y, Somarakis GA, Spinelli FR, Tinazzi E, Triolo G, Ursini F, Valentini G, Valesini G, Vettori S, Vitali C, Tzioufas AG. International consensus: What else can we do to improve diagnosis and therapeutic strategies in patients affected by autoimmune rheumatic diseases (rheumatoid arthritis, spondyloarthritides, systemic sclerosis, systemic lupus erythematosus, antiphospholipid syndrome and Sjogren's syndrome)? Autoimmun Rev 2017; 16:911-924. [DOI: 10.1016/j.autrev.2017.07.012] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 05/20/2017] [Indexed: 02/06/2023]
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19
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Arriens C, Wren JD, Munroe ME, Mohan C. Systemic lupus erythematosus biomarkers: the challenging quest. Rheumatology (Oxford) 2017; 56:i32-i45. [PMID: 28013203 DOI: 10.1093/rheumatology/kew407] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Indexed: 01/01/2023] Open
Abstract
SLE, a multisystem heterogeneous disease, is characterized by production of antibodies to cellular components, with activation of both the innate and the adaptive immune system. Decades of investigation of blood biomarkers has resulted in incremental improvements in the understanding of SLE. Owing to the heterogeneity of immune dysregulation, no single biomarker has emerged as a surrogate for disease activity or prediction of disease. Beyond identification of surrogate biomarkers, a multitude of clinical trials have sought to inhibit elevated SLE biomarkers for therapeutic benefit. Armed with new -omics technologies, the necessary yet daunting quest to identify better surrogate biomarkers and successful therapeutics for SLE continues with tenacity.
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Affiliation(s)
- Cristina Arriens
- Department of Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation.,Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Jonathan D Wren
- Department of Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation
| | - Melissa E Munroe
- Department of Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation
| | - Chandra Mohan
- Department of Biomedical Engineering, University of Houston, Houston, TX, USA
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20
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Lazaro E, Scherlinger M, Truchetet ME, Chiche L, Schaeverbeke T, Blanco P, Richez C. Biotherapies in systemic lupus erythematosus: New targets. Joint Bone Spine 2017; 84:267-274. [DOI: 10.1016/j.jbspin.2016.07.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2016] [Indexed: 12/11/2022]
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21
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Mina-Osorio P. Stem Cell Therapy in the Treatment of Rheumatic Diseases and Application in the Treatment of Systemic Lupus Erythematosus. NEXT-GENERATION THERAPIES AND TECHNOLOGIES FOR IMMUNE-MEDIATED INFLAMMATORY DISEASES 2017. [PMCID: PMC7123283 DOI: 10.1007/978-3-319-42252-7_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Current systemic therapies help to improve the symptoms and quality of life for patients with severe life-threatening rheumatic diseases but provide no curative treatment. For the past two decades, preclinical and clinical studies of stem cell transplantation (SCT) have demonstrated tremendous therapeutic potential for patients with autoimmune rheumatic diseases. Herein, the current advances on stem cell therapies, both in animal models and clinical studies, are discussed, with particular attention on systemic lupus erythematosus (SLE). Despite extensive research and promising data, our knowledge on mechanisms of action for SCT, its administration route and timing, the optimal dose of cells, the cells’ fate and distribution in vivo, and the safety and efficacy of the treatments remains limited. Further research on stem cell biology is required to ensure that therapeutic safety and efficacy, as observed in animal models, can be successfully translated in clinical trials. Current understanding, limitations, and future directions for SCT with respect to rheumatic diseases are also discussed.
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22
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Oon S, Wilson NJ, Wicks I. Targeted therapeutics in SLE: emerging strategies to modulate the interferon pathway. Clin Transl Immunology 2016; 5:e79. [PMID: 27350879 PMCID: PMC4910120 DOI: 10.1038/cti.2016.26] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 04/12/2016] [Accepted: 04/12/2016] [Indexed: 12/20/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease characterized by impaired immune tolerance, resulting in the generation of pathogenic autoantibodies and immune complexes. Although autoreactive B lymphocytes have been the first targets for biologic therapies in SLE, the importance of the innate immune system, and in particular, pathways involved in interferon (IFN) signaling, has emerged. There are now data supporting a central role for a plasmacytoid dendritic cell-derived type I IFN pathway in SLE, with a number of biologic therapeutics and small-molecule inhibitors undergoing clinical trials. Monoclonal antibodies targeting IFN-α have completed phase II clinical trials, and an antibody against the type I IFN receptor is entering a phase III trial. However, other IFNs, such as IFN gamma, and the more recently discovered type III IFNs, are also emerging as targets in SLE; and blockade of upstream components of the IFN signaling pathway may enable inhibition of more than one IFN subtype. In this review, we discuss the current understanding of IFNs in SLE, focusing on emerging therapies.
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Affiliation(s)
- Shereen Oon
- Division of Inflammation, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Rheumatology Department, The Royal Melbourne Hospital, Parkville, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
| | | | - Ian Wicks
- Division of Inflammation, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Rheumatology Department, The Royal Melbourne Hospital, Parkville, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
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23
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Xue Y, Cohen JM, Wright NA, Merola JF. Skin Signs of Rheumatoid Arthritis and its Therapy-Induced Cutaneous Side Effects. Am J Clin Dermatol 2016; 17:147-62. [PMID: 26649439 DOI: 10.1007/s40257-015-0167-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Rheumatoid arthritis (RA) is a systemic inflammatory disorder that primarily affects the joints, but may exhibit extra-articular, including cutaneous, manifestations such as rheumatoid nodules, rheumatoid vasculitis, granulomatous skin disorders, and neutrophilic dermatoses. A large burden of cutaneous disease may be an indication of RA disease activity and the need for more aggressive treatment. Many of the therapeutic agents used to treat RA can also result in cutaneous adverse effects, which pose their own diagnostic and therapeutic challenges. Anti-TNFα agents, in particular, have a wide variety of adverse effects including psoraisiform eruptions, granulomatous conditions, and cutaneous connective tissue disorders. Herein we provide an update on the clinical presentations and management of RA-associated cutaneous findings as well as drug-induced cutaneous effects, with particular attention to the adverse effects of biologic disease-modifying agents.
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24
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Gottschalk TA, Tsantikos E, Hibbs ML. Pathogenic Inflammation and Its Therapeutic Targeting in Systemic Lupus Erythematosus. Front Immunol 2015; 6:550. [PMID: 26579125 PMCID: PMC4623412 DOI: 10.3389/fimmu.2015.00550] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 10/14/2015] [Indexed: 12/16/2022] Open
Abstract
Systemic lupus erythematosus (SLE, lupus) is a highly complex and heterogeneous autoimmune disease that most often afflicts women in their child-bearing years. It is characterized by circulating self-reactive antibodies that deposit in tissues, including skin, kidneys, and brain, and the ensuing inflammatory response can lead to irreparable tissue damage. Over many years, clinical trials in SLE have focused on agents that control B- and T-lymphocyte activation, and, with the single exception of an agent known as belimumab which targets the B-cell survival factor BAFF, they have been disappointing. At present, standard therapy for SLE with mild disease is the agent hydroxychloroquine. During disease flares, steroids are often used, while the more severe manifestations with major organ involvement warrant potent, broad-spectrum immunosuppression with cyclophosphamide or mycophenolate. Current treatments have severe and dose-limiting toxicities and thus a more specific therapy targeting a causative factor or signaling pathway would be greatly beneficial in SLE treatment. Moreover, the ability to control inflammation alongside B-cell activation may be a superior approach for disease control. There has been a recent focus on the innate immune system and associated inflammation, which has uncovered key players in driving the pathogenesis of SLE. Delineating some of these intricate inflammatory mechanisms has been possible with studies using spontaneous mouse mutants and genetically engineered mice. These strains, to varying degrees, exhibit hallmarks of the human disease and therefore have been utilized to model human SLE and to test new drugs. Developing a better understanding of the initiation and perpetuation of disease in SLE may uncover suitable novel targets for therapeutic intervention. Here, we discuss the involvement of inflammation in SLE disease pathogenesis, with a focus on several key proinflammatory cytokines and myeloid growth factors, and review the known outcomes or the potential for targeting these factors in SLE.
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Affiliation(s)
- Timothy A Gottschalk
- Leukocyte Signalling Laboratory, Department of Immunology and Pathology, Alfred Medical Research and Education Precinct, Monash University , Melbourne, VIC , Australia
| | - Evelyn Tsantikos
- Leukocyte Signalling Laboratory, Department of Immunology and Pathology, Alfred Medical Research and Education Precinct, Monash University , Melbourne, VIC , Australia
| | - Margaret L Hibbs
- Leukocyte Signalling Laboratory, Department of Immunology and Pathology, Alfred Medical Research and Education Precinct, Monash University , Melbourne, VIC , Australia
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25
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Clark MR, Trotter K, Chang A. The Pathogenesis and Therapeutic Implications of Tubulointerstitial Inflammation in Human Lupus Nephritis. Semin Nephrol 2015; 35:455-64. [PMID: 26573548 PMCID: PMC4653081 DOI: 10.1016/j.semnephrol.2015.08.007] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Nephritis is a common complication of systemic lupus erythematosus for which current therapies often prove inadequate. Current lupus nephritis classification systems emphasize glomerular acuity and scarring. However, tubulointerstitial inflammation (TII) and scarring are much better predictors of progression to renal failure. It now is becoming clear that the immunologic features, and probable underlying mechanisms, are very different in lupus glomerulonephritis and TII at the time of biopsy. Although glomerulonephritis is a manifestation of systemic autoimmunity, TII is associated with local in situ adaptive immune cell networks predicted to amplify local inflammation and tissue damage. In addition, poorly defined networks of innate immune cells and effectors likely contribute to the severity of local inflammation. Defining these in situ immune mechanisms should lead to a better understanding of prognostically meaningful lupus nephritis subsets and show novel therapeutic opportunities.
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Affiliation(s)
- Marcus R Clark
- Department of Medicine, University of Chicago, Chicago, IL; Department of Pathology, University of Chicago, Chicago, IL; Gwen Knapp Center for Lupus and Immunology Research, University of Chicago, Chicago, IL.
| | | | - Anthony Chang
- Department of Pathology, University of Chicago, Chicago, IL
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26
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Cortés-Hernández J, Egri N, Vilardell-Tarrés M, Ordi-Ros J. Etanercept in refractory lupus arthritis: An observational study. Semin Arthritis Rheum 2015; 44:672-9. [PMID: 25712812 DOI: 10.1016/j.semarthrit.2015.01.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 12/22/2014] [Accepted: 01/16/2015] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To investigate the long-term safety and preliminary efficacy of etanercept in patients with refractory lupus arthritis. METHODS We evaluated 43 patients in this observational cohort study. All received etanercept (50mg/week) in addition to concomitant immunosuppressive agents. Patient and disease characteristics were collected. Incidence of adverse events and the effect on autoantibody levels were evaluated. Clinical efficacy was measured by the 28-joint count and the SLEDAI-2K scores. Remission of lupus arthritis was defined by a 28-joint score = 0. Clinically inactive systemic disease was defined by a SLEDAI-2K score <4. RESULTS The total follow-up time was 93 patient-years (median: 2.3 years per patient; range: 0.4-6.8 years). Most side effects were minor and related to local reactions. Only 2 significant adverse events occurred (8%), both were of infectious nature. The rate of autoantibody production was low (18%). A mild increase in titres of ANA (2), IgG anti-dsDNA (3) and IgM anticardiolipin (aCL) (2) antibodies was observed. All anti-dsDNA antibody increments were transient and coincided with systemic flares. No vascular events occurred. In general, disease activity declined during therapy. Most patients (83%) with lupus arthritis achieved clinical remission by week 12. All patients with simultaneous serositis experienced clinical and radiological resolution of this condition. Relapses were frequent (23%), mostly mild and related to etanercept reduction. A total of 24 patients discontinued treatment, 12 of them due to clinical remission. CONCLUSIONS Long-term therapy with etanercept was relatively safe and had remarkable long-term efficacy for refractory lupus arthritis. In view of these results, further controlled trials are warranted.
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Affiliation(s)
- Josefina Cortés-Hernández
- Systemic Autoimmune Diseases Unit, Internal Medicine Department, Universitari Vall d´Hebron Hospital, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, Passeig Vall- d´Hebron 119-129, Barcelona 08035, Spain
| | - Natalia Egri
- Systemic Autoimmune Diseases Unit, Internal Medicine Department, Universitari Vall d´Hebron Hospital, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, Passeig Vall- d´Hebron 119-129, Barcelona 08035, Spain
| | - Miquel Vilardell-Tarrés
- Systemic Autoimmune Diseases Unit, Internal Medicine Department, Universitari Vall d´Hebron Hospital, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, Passeig Vall- d´Hebron 119-129, Barcelona 08035, Spain
| | - Josep Ordi-Ros
- Systemic Autoimmune Diseases Unit, Internal Medicine Department, Universitari Vall d´Hebron Hospital, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, Passeig Vall- d´Hebron 119-129, Barcelona 08035, Spain.
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IL-37 inhibits the production of inflammatory cytokines in peripheral blood mononuclear cells of patients with systemic lupus erythematosus: its correlation with disease activity. J Transl Med 2014; 12:69. [PMID: 24629023 PMCID: PMC4003851 DOI: 10.1186/1479-5876-12-69] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2013] [Accepted: 03/12/2014] [Indexed: 12/15/2022] Open
Abstract
Background Interleukin-37 (IL-37), a new member of IL-1 family cytokine, is recently identified as a natural inhibitor of innate immunity. This study aimed to measure the peripheral blood mononuclear cells (PBMCs) and serum levels of IL-37 in patients with systemic lupus erythematosus (SLE) and to investigate its role in SLE, including its correlation with disease activity, organ disorder and the regulation of inflammatory cytokines. Methods The expressions of IL-37 mRNAs in PBMCs and serum IL-37 levels in 66 SLE patients were measured by real-time polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). SLE patients PBMCs were stimulated with recombinant IL-37, levels of cytokines TNF-α, IL-1β, IL-6 and IL-10 were detected by RT-PCR and ELISA. Results IL-37 mRNAs and serum protein levels were higher in patients with SLE compared with healthy controls. Patients with active disease showed higher IL-37 mRNAs and serum protein levels compared with those with inactive disease as well as healthy controls. Serum IL-37 levels correlated with SLEDAI and inversely with C3 and C4. Serum IL-37 levels were higher in SLE patients with renal involvement compared with those without renal disease. In vitro, IL-37 inhibited the production of TNF-α, IL-1β and IL-6 in PBMCs of patients with SLE, whereas the production of IL-10 was unaffected. Conclusions IL-37 associated with SLE disease activity, especially related with SLE renal disease activity. IL-37 is an important cytokine in the control of SLE pathogenesis by suppressing the production of inflammatory cytokines. Thus, IL-37 may provide a novel research target for the pathogenesis and therapy of SLE.
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Gatto M, Kiss E, Naparstek Y, Doria A. In-/off-label use of biologic therapy in systemic lupus erythematosus. BMC Med 2014; 12:30. [PMID: 24528782 PMCID: PMC3925951 DOI: 10.1186/1741-7015-12-30] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 01/27/2014] [Indexed: 12/17/2022] Open
Abstract
Current therapies for systemic lupus erythematosus (SLE) include corticosteroids as a persistent mainstay and traditional immunosuppressants which are given according to disease severity, organ involvement and patient status. No treatment entails certain efficacy devoid of mild-to-moderate adverse effects. Nowadays, novel therapies are being developed aiming to target specific molecules involved in SLE development and progression which show variable effectiveness and safety. Biologic agents considered for SLE comprise monoclonal antibodies (chimeric, humanized or fully human) as well as fusion molecules or antibody fragments mostly consisting of B cell-targeted therapies beside anti-cytokines as well as T cell-targeted therapies. Encouraging evidence on biologics is mostly provided by case series or uncontrolled studies; conversely, larger randomized controlled clinical trials have frequently missed their primary endpoints with the exception of BLISS-52 and BLISS-76 trials. Actually, apart from belimumab, biologics are employed in clinical practice as off-label treatments for lupus and results are often promising, depending on specific SLE features, dose regimens and individual responsiveness.
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Affiliation(s)
- Mariele Gatto
- Division of Rheumatology, University of Padova, Via Giustiniani, 2, Padova 35128, Italy
| | - Emese Kiss
- Department of Clinical Immunology, Adult- and Paediatric Rheumatology, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary
- Rheumatology Division, 3rd Department of Internal Medicine, Semmelweis University, Budapest, Hungary
| | - Yaakov Naparstek
- Senior Deputy Director General for Research and Academic Affairs, Hadassah Medical Organization, Hadassah Hebrew University Medical Center, Jerusalem 12000, Israel
| | - Andrea Doria
- Division of Rheumatology, University of Padova, Via Giustiniani, 2, Padova 35128, Italy
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Bascones-Martinez A, Mattila R, Gomez-Font R, Meurman JH. Immunomodulatory drugs: oral and systemic adverse effects. Med Oral Patol Oral Cir Bucal 2014; 19:e24-31. [PMID: 23986016 PMCID: PMC3909428 DOI: 10.4317/medoral.19087] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Accepted: 03/28/2013] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE The main objectives are to present the different adverse effects of the immunomodulatory drugs that can impair the quality of life of the immunosuppressed patients and study the impact of immunomodulation on oral diseases. Immunomodulatory drugs have changed the treatment protocols of many diseases where immune functions play a central role, such as rheumatic diseases. Their effect on oral health has not been systematically investigated, however. STUDY DESIGN We review current data on the new immunomodulatory drugs from the oral health perspective based on open literature search of the topic. RESULTS These target specific drugs appear to have less drug interactions than earlier immunomodulating medicines but have nevertheless potential side effects such as activating latent infections. There are some data showing that the new immunomodulatory drugs may also have a role in the treatment of certain oral diseases such as lichen planus or ameliorating symptoms in Sjögren's syndrome, but the results have not been overly promising. CONCLUSION In general, data are sparse of the effect of these new drugs vs. oral diseases and there are no properly powered randomized controlled trials published on this topic.
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Affiliation(s)
- Antonio Bascones-Martinez
- Department of Medicine and Bucofacial Surgery, Dental School, Complutense University of Madrid, Plaza Ramón y Cajal 3, Ciudad Universitaria, 28040-Madrid, Spain,
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Mosca M, Tani C, Filice ME, Carli L, Delle Sedie A, Vagnani S, Della Rossa A, Baldini C, Bombardieri S. TNF-alpha inhibitors in Systemic Lupus Erythematosus. A case report and a systematic literature review. Mod Rheumatol 2013; 25:642-5. [DOI: 10.3109/14397595.2013.844306] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
With the approval by the FDA in 2011 of a biologic agent (namely belimumab) for the treatment of systemic lupus erythematosus (SLE), optimism abounds that additional biologic (and nonbiologic) agents will be similarly endorsed. Given the numerous immune-based abnormalities associated with SLE, the potential therapeutic targets for biologic agents and the candidate biologic approaches are also numerous. These approaches include: biologic agents that promote B-cell depletion, B-cell inactivation, or the generation of regulatory B cells; biologic agents that induce T-cell tolerance, block T-cell activation and differentiation, or alter T-cell trafficking; biologic agents that target the B-cell activating factor (BAFF) axis, type I interferons, IL-6 and its receptor, or TNF; and the adoptive transfer of ex vivo-generated regulatory T cells. Owing to the great heterogeneity inherent to SLE, no single approach should be expected to be effective in all patients. As our understanding of the pathogenic mechanisms of SLE continues to expand, additional therapeutic targets and approaches will undoubtedly be identified and should be fully exploited.
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Calvo-Alén J, Silva-Fernández L, Úcar-Angulo E, Pego-Reigosa JM, Olivé A, Martínez-Fernández C, Martínez-Taboada V, Marenco JL, Loza E, López-Longo J, Gómez-Reino JJ, Galindo-Izquierdo M, Fernández-Nebro A, Cuadrado MJ, Aguirre-Zamorano MÁ, Zea-Mendoza A, Rúa-Figueroa Í. SER Consensus Statement on the Use of Biologic Therapy for Systemic Lupus Erythematosus. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.reumae.2013.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Consenso de la Sociedad Española de Reumatología sobre el uso de terapias biológicas en el lupus eritematoso sistémico. ACTA ACUST UNITED AC 2013; 9:281-96. [DOI: 10.1016/j.reuma.2013.04.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 04/03/2013] [Indexed: 12/23/2022]
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Ding HJ, Gordon C. New biologic therapy for systemic lupus erythematosus. Curr Opin Pharmacol 2013; 13:405-12. [DOI: 10.1016/j.coph.2013.04.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 03/25/2013] [Accepted: 04/10/2013] [Indexed: 02/08/2023]
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Clark DN, Markham JL, Sloan CS, Poole BD. Cytokine inhibition as a strategy for treating systemic lupus erythematosus. Clin Immunol 2012. [PMID: 23200699 DOI: 10.1016/j.clim.2012.11.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cytokines regulate and control the immune system. In systemic lupus erythematosus, several of these cytokines are overexpressed and contribute to the pathogenesis of the disease. Cytokine inhibition has been successfully used to treat other rheumatic and autoimmune diseases, and several cytokines are currently being investigated to determine whether inhibition would be therapeutic in lupus. The cytokines discussed in this review have all undergone clinical trials, and include TNF-α, IL-1, IL-6, IL-10, IL-15, IL-17, IL-18 and IL-23. Inhibition of the majority of these targets was safe and showed some efficacy in treating lupus. Cytokine inhibition strategies have just started to realize their potential for the treatment of this difficult disease, and show great promise for the future.
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Affiliation(s)
- Daniel N Clark
- Department of Microbiology and Molecular Biology, Brigham Young University, 857 WIDB, Provo, UT 84602, USA
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Marzan KAB. Role of adalimumab in the management of children and adolescents with juvenile idiopathic arthritis and other rheumatic conditions. ADOLESCENT HEALTH MEDICINE AND THERAPEUTICS 2012; 3:85-93. [PMID: 24600289 PMCID: PMC3916012 DOI: 10.2147/ahmt.s22607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Treatment of children and adolescents with juvenile idiopathic arthritis and other pediatric rheumatic diseases has evolved. Where once there was only a limited arsenal of medications, with significant side effects and inadequate efficacy, today, with an increased understanding of the pathogenesis of these diseases, there is a wider variety of more targeted and effective treatments. TNF-α is a cytokine involved in a number of inflammatory pathways in pediatric rheumatic diseases. The emergence of biologic modifiers that target TNF-α has been pivotal in providing the ability to deliver early and aggressive treatment. Adalimumab, a recombinant monoclonal antibody to TNF-α, is an important therapeutic option, which affords children and adolescents with chronic illnesses an improved quality of life.
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Aringer M, Smolen JS. Therapeutic blockade of TNF in patients with SLE—Promising or crazy? Autoimmun Rev 2012; 11:321-5. [PMID: 21619949 DOI: 10.1016/j.autrev.2011.05.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2011] [Indexed: 12/12/2022]
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Ball EMA, Bell AL. Lupus arthritis--do we have a clinically useful classification? Rheumatology (Oxford) 2011; 51:771-9. [PMID: 22179731 DOI: 10.1093/rheumatology/ker381] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Joint disease in SLE is common and has a significant impact on patients in terms of their burden of disease and quality of life. Despite this it remains largely understudied in comparison with the other inflammatory arthropathies. Newer imaging techniques are challenging the traditional concepts of a non-erosive arthropathy that is outlined in the ACR diagnostic criteria for SLE. MRI and musculoskeletal US techniques have been applied extensively in RA to detail the underlying joint pathology, to monitor response to treatment and to guide prognosis. The advent of biological therapies has revolutionized the treatment of RA and has again been borne out of an abundance of research that exists surrounding the underlying pathobiological inflammatory pathways. Unfortunately, no such unified body of evidence exists for lupus arthritis, which has made the development of an appropriate classification system somewhat difficult as our understanding remains incomplete.
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Affiliation(s)
- Elisabeth M A Ball
- Rheumatology Department, Musgrave Park Hospital, Stockman's Lane, Belfast BT9 7JB, Northern Ireland.
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Minhas U, Minz R, Das P, Bhatnagar A. Therapeutic effect of Withania somnifera on pristane-induced model of SLE. Inflammopharmacology 2011; 20:195-205. [PMID: 22160928 DOI: 10.1007/s10787-011-0102-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Accepted: 11/11/2011] [Indexed: 01/22/2023]
Abstract
Systemic lupus erythematosus commonly known as lupus is an intricate disorder with multiple organ involvement characterized primarily by inflammation caused due to deposition of immune-complexes formed by production of autoantibodies against nuclear, nucleolar as well as cytoplasmic self-antigens. Lack of availability of suitable treatments or treatments that are only symptomatic calls for investigation of possible modalities. Withania somnifera with its immunomodulatory properties is prescribed for arthritis in ayurveda. In the present study, the therapeutic effect of Withania somnifera pure root powder (at 1,000 and 500 mg/kg body weight) on pristane-induced Balb/c model of lupus was investigated to elucidate its remedial outcome on SLE. SLE-like symptoms are produced in the model of lupus: production of autoantibodies, proteinuria, nephritis as well as immune-complex deposition along with various other inflammatory markers such as formation of lipogranuloma, production of pro-inflammatory cytokines including interleukin-6 and tumor necrosis factor-α, nitric oxide and reactive oxygen species. Withania somnifera was found to have potent inhibitory effect on proteinuria, nephritis and other inflammatory markers. Humoral response, however, was found to be impervious. The potent reduction in inflammation in the present model of lupus suggests further investigation of this herb for its possible therapeutic use in SLE.
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Affiliation(s)
- Ujla Minhas
- Department of Biochemistry, Basic Medical Sciences Block, Panjab University, Chandigarh 160014, India
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Aringer M, Burkhardt H, Burmester GR, Fischer-Betz R, Fleck M, Graninger W, Hiepe F, Jacobi AM, Kötter I, Lakomek HJ, Lorenz HM, Manger B, Schett G, Schmidt RE, Schneider M, Schulze-Koops H, Smolen JS, Specker C, Stoll T, Strangfeld A, Tony HP, Villiger PM, Voll R, Witte T, Dörner T. Current state of evidence on 'off-label' therapeutic options for systemic lupus erythematosus, including biological immunosuppressive agents, in Germany, Austria and Switzerland--a consensus report. Lupus 2011; 21:386-401. [PMID: 22072024 DOI: 10.1177/0961203311426569] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Systemic lupus erythematosus (SLE) can be a severe and potentially life-threatening disease that often represents a therapeutic challenge because of its heterogeneous organ manifestations. Only glucocorticoids, chloroquine and hydroxychloroquine, azathioprine, cyclophosphamide and very recently belimumab have been approved for SLE therapy in Germany, Austria and Switzerland. Dependence on glucocorticoids and resistance to the approved therapeutic agents, as well as substantial toxicity, are frequent. Therefore, treatment considerations will include 'off-label' use of medication approved for other indications. In this consensus approach, an effort has been undertaken to delineate the limits of the current evidence on therapeutic options for SLE organ disease, and to agree on common practice. This has been based on the best available evidence obtained by a rigorous literature review and the authors' own experience with available drugs derived under very similar health care conditions. Preparation of this consensus document included an initial meeting to agree upon the core agenda, a systematic literature review with subsequent formulation of a consensus and determination of the evidence level followed by collecting the level of agreement from the panel members. In addition to overarching principles, the panel have focused on the treatment of major SLE organ manifestations (lupus nephritis, arthritis, lung disease, neuropsychiatric and haematological manifestations, antiphospholipid syndrome and serositis). This consensus report is intended to support clinicians involved in the care of patients with difficult courses of SLE not responding to standard therapies by providing up-to-date information on the best available evidence.
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Affiliation(s)
- M Aringer
- Rheumatology, Medicine III, University Medical Center TU Dresden, Germany.
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Abstract
There are many new therapeutic directions for the disease systemic lupus erythematosus (SLE). Despite this, the US Food and Drug Administration (FDA) has approved only one biological agent and it involves B cells, now thought to play a significant role in the pathogenesis of SLE. The name of the drug is belimumab, which is an agent that removes the B-cell cytokine called B lymphocyte stimulation factor (BLyS). Rituximab did not achieve its primary endpoints, even though the consensus is that it may be effective in some forms of SLE including renal disease. The anticytokine therapies against interleukin (IL)-6, IL-10, IL-17 and tumor necrosis factor (TNF) are effective in their own ways and phase II and III trials are in progress. Of particular interest to immunologists are the anti-interferon alpha and gamma drugs, which show promise in the animal models. Modulation of costimulatory molecules; specifically, the anti CD40, CTLA-***Ig and ICOS/B7RP blockade agents offer possibilities for the future using new pathways heretofore limited to rheumatoid arthritis. Finally, the use of tyrosine kinase inhibitors is another direction that has been successful in the inhibition of SLE in the murine model; early trials in human SLE have begun.
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Affiliation(s)
- Wen Xiong
- Newark Beth Israel Medical Center — Rheumatology, Newark, New Jersey, USA
| | - Robert G. Lahita
- Newark Beth Israel Medical Center — Rheumatology, Newark, New Jersey, USA
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Patel R, Cafardi JM, Patel N, Sami N, Cafardi JA. Tumor necrosis factor biologics beyond psoriasis in dermatology. Expert Opin Biol Ther 2011; 11:1341-59. [PMID: 21651458 DOI: 10.1517/14712598.2011.590798] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION TNF-α is a cytokine essential for immune response and its receptors has been shown to be dysregulated in a variety of diseases including psoriasis vulgaris. There are a number of TNF-α inhibitors approved for psoriasis, however there is a growing body of literature supporting their use in a wide variety of dermatological conditions. AREAS COVERED The use of biologic TNF-α antagonists in conditions for which they have not yet been approved by the FDA ('off-label' uses) and the literature that supports the most appropriate agents and conditions for use. A PubMed/MEDLINE search was performed with the keywords 'TNFα antagonist', 'biologic therapy', 'off-label' and 'unapproved'. The list of references and citing articles of the articles retrieved were also used as sources. This complete list was evaluated for inclusion, based on relevance to the proposed goal of this review. EXPERT OPINION There are a large number of conditions for which biologic antagonists of TNFα are effective, beyond those already approved by the FDA. The various agents vary in their efficacy in treatment, with infliximab consistently the most effective, particularly in granulomatous diseases. Although effectiveness varies among these conditions, biologic antagonists of TNF-α are promising for the treatment of these diseases.
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Affiliation(s)
- Raj Patel
- University of Alabama at Birmingham, Dermatology, 1530 Third Avenue South, EFH suite 414 Birmingham, AL 35294, USA
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Toloza SMA, Sequeira W, Jolly M. Treatment of Lupus: Impact on Quality of Life. Curr Rheumatol Rep 2011; 13:324-37. [DOI: 10.1007/s11926-011-0189-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Singh JA, Wells GA, Christensen R, Tanjong Ghogomu E, Maxwell LJ, MacDonald JK, Filippini G, Skoetz N, Francis DK, Lopes LC, Guyatt GH, Schmitt J, La Mantia L, Weberschock T, Roos JF, Siebert H, Hershan S, Cameron C, Lunn MPT, Tugwell P, Buchbinder R. Adverse effects of biologics: a network meta-analysis and Cochrane overview. Cochrane Database Syst Rev 2011; 2011:CD008794. [PMID: 21328309 PMCID: PMC7173749 DOI: 10.1002/14651858.cd008794.pub2] [Citation(s) in RCA: 352] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Biologics are used for the treatment of rheumatoid arthritis and many other conditions. While the efficacy of biologics has been established, there is uncertainty regarding the adverse effects of this treatment. Since serious risks such as tuberculosis (TB) reactivation, serious infections, and lymphomas may be common to the biologics but occur in small numbers across the various indications, we planned to combine the results from biologics used in many conditions to obtain the much needed risk estimates. OBJECTIVES To compare the adverse effects of tumor necrosis factor blocker (etanercept, adalimumab, infliximab, golimumab, certolizumab), interleukin (IL)-1 antagonist (anakinra), IL-6 antagonist (tocilizumab), anti-CD28 (abatacept), and anti-B cell (rituximab) therapy in patients with any disease condition except human immunodeficiency disease (HIV/AIDS). METHODS Randomized controlled trials (RCTs), controlled clinical trials (CCTs) and open-label extension (OLE) studies that studied one of the nine biologics for use in any indication (with the exception of HIV/AIDS) and that reported our pre-specified adverse outcomes were considered for inclusion. We searched The Cochrane Library, MEDLINE, and EMBASE (to January 2010). Identifying search results and data extraction were performed independently and in duplicate. For the network meta-analysis, we performed mixed-effects logistic regression using an arm-based, random-effects model within an empirical Bayes framework. MAIN RESULTS We included 163 RCTs with 50,010 participants and 46 extension studies with 11,954 participants. The median duration of RCTs was six months and 13 months for OLEs. Data were limited for tuberculosis (TB) reactivation, lymphoma, and congestive heart failure. Adjusted for dose, biologics as a group were associated with a statistically significant higher rate of total adverse events (odds ratio (OR) 1.19, 95% CI 1.09 to 1.30; number needed to treat to harm (NNTH) = 30, 95% CI 21 to 60) and withdrawals due to adverse events (OR 1.32, 95% CI 1.06 to 1.64; NNTH = 37, 95% CI 19 to 190) and an increased risk of TB reactivation (OR 4.68, 95% CI 1.18 to 18.60; NNTH = 681, 95% CI 143 to 14706) compared to control.The rate of serious adverse events, serious infections, lymphoma, and congestive heart failure were not statistically significantly different between biologics and control treatment. Certolizumab pegol was associated with significantly higher risk of serious infections compared to control treatment (OR 3.51, 95% CI 1.59 to 7.79; NNTH = 17, 95% CI 7 to 68). Infliximab was associated with significantly higher risk of withdrawals due to adverse events compared to control (OR 2.04, 95% CI 1.43 to 2.91; NNTH = 12, 95% CI 8 to 28). Indirect comparisons revealed that abatacept and anakinra were associated with a significantly lower risk of serious adverse events compared to most other biologics. Although the overall numbers are relatively small, certolizumab pegol was associated with significantly higher odds of serious infections compared to etanercept, adalimumab, abatacept, anakinra, golimumab, infliximab, and rituximab; abatacept was significantly less likely than infliximab and tocilizumab to be associated with serious infections. Abatacept, adalimumab, etanercept and golimumab were significantly less likely than infliximab to result in withdrawals due to adverse events. AUTHORS' CONCLUSIONS Overall, in the short term biologics were associated with significantly higher rates of total adverse events, withdrawals due to adverse events and TB reactivation. Some biologics had a statistically higher association with certain adverse outcomes compared to control, but there was no consistency across the outcomes so caution is needed in interpreting these results.There is an urgent need for more research regarding the long-term safety of biologics and the comparative safety of different biologics. National and international registries and other types of large databases are relevant sources for providing complementary evidence regarding the short- and longer-term safety of biologics.
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Affiliation(s)
- Jasvinder A Singh
- Birmingham VA Medical CenterDepartment of MedicineFaculty Office Tower 805B510 20th Street SouthBirminghamALUSA35294
| | - George A Wells
- University of OttawaDepartment of Epidemiology and Community MedicineRoom H128140 Ruskin StreetOttawaONCanadaK1Y 4W7
| | - Robin Christensen
- Copenhagen University Hospital, Bispebjerg og FrederiksbergMusculoskeletal Statistics Unit, The Parker InstituteNordre Fasanvej 57CopenhagenDenmarkDK‐2000
| | | | - Lara J Maxwell
- Ottawa Hospital Research Institute (OHRI), The Ottawa Hospital ‐ General CampusCentre for Practice‐Changing Research (CPCR)501 Smyth Road, Box 711OttawaONCanadaK1H 8L6
| | - John K MacDonald
- Robarts Clinical TrialsCochrane IBD Group100 Dundas Street, Suite 200LondonONCanadaN6A 5B6
| | - Graziella Filippini
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo BestaScientific Directionvia Celoria, 11MilanoItaly20133
| | - Nicole Skoetz
- University Hospital of CologneCochrane Haematological Malignancies Group, Department I of Internal MedicineKerpener Str. 62CologneGermany50937
| | - Damian K Francis
- University of West IndiesEpidemiology Research UnitMona Kingston 7Jamaica
| | - Luciane C Lopes
- University of Sorocaba, São PauloSciences of Pharmaceutical ProgramRodovia Raposo Tavares, s/nSorocabaSão PauloBrazilCEP 18023‐000
| | - Gordon H Guyatt
- McMaster UniversityDepartment of Clinical Epidemiology and Biostatistics1200 Main Street WestHamiltonONCanadaL8N 3Z5
| | - Jochen Schmitt
- Faculty of Medicine Carl Gustav Carus, Technischen Universität (TU) DresdenCenter for Evidence‐Based HealthcareFetscherstr. 74DresdenGermany01307
| | - Loredana La Mantia
- I.R.C.C.S. Santa Maria Nascente ‐ Fondazione Don GnocchiUnit of Neurorehabilitation ‐ Multiple Sclerosis CenterVia Capecelatro, 66MilanoItaly20148
| | - Tobias Weberschock
- Goethe UniversityEvidence‐Based Medicine Frankfurt, Institute of General PracticeTheodor Stern Kai 7FrankfurtGermany60590
- J.W. Goethe‐University HospitalDepartment of Dermatology, Venereology, and AllergologyTheodor‐Stern‐Kai 7FrankfurtGermany60590
| | - Juliana F Roos
- Dubai Pharmacy CollegeDept of Clinical Pharmacy & Pharmacy PracticePo Box 19099AlMuhaisanah 1, Al mizharDubaiUnited Arab Emirates
| | - Hendrik Siebert
- University Hospital CologneCochrane Haematological Malignancies GroupKerpener Strasse 62CologneGermany50924
| | - Sarah Hershan
- Department of Epidemiology and Preventive Medicine, Monash UniversityMonash Department of Clinical Epidemiology at Cabrini HospitalSuite 41, Cabrini Medical Centre183 Wattletree RoadMalvernVictoriaAustralia3144
| | - Chris Cameron
- University of OttawaDepartment of Epidemiology and Community MedicineRoom H128140 Ruskin StreetOttawaONCanadaK1Y 4W7
| | - Michael PT Lunn
- National Hospital for Neurology and NeurosurgeryDepartment of Neurology and MRC Centre for Neuromuscular DiseasesQueen SquareLondonUKWC1N 3BG
| | - Peter Tugwell
- Faculty of Medicine, University of OttawaDepartment of MedicineOttawaONCanadaK1H 8M5
- Clinical Epidemiology ProgramOttawa Hospital Research InstituteOttawaONCanadaK1Y 4E9
- Faculty of Medicine, University of OttawaDepartment of Epidemiology and Community MedicineOttawaONCanadaK1H 8M5
| | - Rachelle Buchbinder
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash UniversityMonash Department of Clinical Epidemiology, Cabrini HospitalSuite 41, Cabrini Medical Centre183 Wattletree RoadMalvernVictoriaAustralia3144
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Abstract
PURPOSE OF REVIEW The pathogenesis of systemic lupus erythematosus (SLE) involves aberrancy in multiple components of the immune system including B cells, T cells, cytokines and growth factors. Therapeutic agents targeting these mediators selectively have been tested for the treatment of SLE. This review summarizes the recent advances in the fast expanding field of these biological therapies. RECENT FINDINGS The two large phase 2/3 randomized placebo-controlled trials of B-cell depletion, using anti-CD20 antibody, rituximab, in SLE, reported unexpected negative results. On the contrary, two large phase 3 trials of belimumab, the monoclonal antibody against B-lymphocyte stimulator (BLyS), showed significant clinical benefit. Response rates were 57.6 and 43.2% for 10 mg/kg belimumab, compared with 43.6 and 33.8% for placebo in BLISS-52 and BLISS-76, respectively. Studies of a co-stimulation blocker (abatacept), tumor necrosis factor inhibitor (infliximab), and interleukin-6 inhibitor (tocilizumab) were either negative (abatacept) or were associated with high rates of adverse events. Studies of T cell and interferon inhibition remain in the early development phase. SUMMARY Despite the enthusiasm in the field of biologic therapies, the majority of these new modalities have fallen short of expectations for various reasons. Only belimumab has recently met its primary outcome in two phase 3 trials.
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Abstract
Systemic lupus erythematosus is a prototype of heterogeneous autoimmune disease. There have been few newly approved therapeutic agents in lupus treatment for many reasons. Several animal studies and human data have shown that many potential cytokines are related to the pathogenesis and disease activity of systemic lupus erythematosus. Cytokines are produced by many immune cell types and have variable functions in the immune system. Following the success of biological agents in the treatment of inflammatory arthritis, inflammatory bowel disease, and psoriasis, biological targeting to specific cytokines or receptor molecules is now promising in the treatment of systemic lupus erythematosus. In addition to B-cell deleting modalities, clinical trials targeting potential cytokines associated with disease pathogenesis are underway at various clinical stages. Among potential cytokines, targeting agents against B-cell activating factor and interferon-alpha are in the most advanced stage, and belimumab (anti-B-cell activating factor antibody) could be the first biological agent approved in the treatment of systemic lupus erythematosus. Anti-tumor necrosis factor was tried with some success, but with a potential risk of infection in a small number of patients. In this review, we discuss the rationale for anticytokine therapies and review agents currently in clinical trials, and those that could be developed in the near future for systemic lupus erythematosus. We present the results mostly from published trials and data from http://clinicaltrials.gov/ct2/
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Affiliation(s)
- D-H. Yoo
- Division of Rheumatology, Hospital for Rheumatic Diseases, Institute of Rheumatology, Hanyang University College of Medicine, Seoul, Korea,
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Mazza J, Rossi A, Weinberg JM. Innovative uses of tumor necrosis factor alpha inhibitors. Dermatol Clin 2010; 28:559-75. [PMID: 20510765 DOI: 10.1016/j.det.2010.03.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Tumor necrosis factor alpha (TNF-alpha) is an inflammatory cytokine that is released by a variety of cell types, including immune effector cells and tissue-specific cells. TNF-alpha has been shown to promote inflammation via the activation and induction of cytokines interleukin 1 (IL-1), IL-6, and IL-8 and by the upregulation of adhesion molecules on endothelial cells leading to increased leukocyte extravasation. Theoretically, the blockade of TNF should have widespread potential in the treatment of numerous inflammatory diseases. Currently, 3 TNF-alpha inhibitors available in the United States are approved for psoriasis and psoriatic arthritis: infliximab, etanercept, and adalimumab. Numerous case reports and case series have been published in recent years reporting the off-label uses of these drugs in various inflammatory skin diseases. This review summarizes the most recent reports on 20 such conditions.
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Affiliation(s)
- Joni Mazza
- Department of Dermatology, St Luke's-Roosevelt Hospital Center and Beth Israel Medical Center, New York, NY, USA
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Tobón GJ, Saraux A, Pers JO, Youinou P. Emerging biotherapies for Sjögren's syndrome. Expert Opin Emerg Drugs 2010; 15:269-82. [PMID: 20384543 DOI: 10.1517/14728211003702392] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
IMPORTANCE OF THE FIELD Sjögren's syndrome (SS) is an autoimmune epithelitis. This exocrinopathy is frequently associated with extraglandular complications, and the patients are at risk of developing B cell lymphoma. Given the lack of disease-modifying drugs, and the fact that SS is a quintessential B-cell mediated disease, attention has recently been focused on biotherapies. AREAS COVERED IN THIS REVIEW Despite negative grounds, TNF-alpha antagonists have been tested in the disease, and proven not be efficient. However, B-cell depleting therapy using anti-CD20 antibodies such as rituximab, which is a chimeric mAb, has shown promise in the field, while anti-CD22 mAb seems to be less active. WHAT THE READER WILL GAIN New treatments against the B-cell activating factor of the TNF family are about to be tested, or replaced by receptor immunoglobulin decay protein. TAKE HOME MESSAGE B-cell depleting therapies seem promising in SS, but no data are, thus far, available on treatments targeting B-cell activating factor of the TNF family.
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Affiliation(s)
- Gabriel J Tobón
- Université de Brest, Université Européenne de Bretagne, Laboratory of Immunology, CHU Morvan, BP824, F29609 Brest, France
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Venegas-Pont M, Manigrasso MB, Grifoni SC, LaMarca BB, Maric C, Racusen LC, Glover PH, Jones AV, Drummond HA, Ryan MJ. Tumor necrosis factor-alpha antagonist etanercept decreases blood pressure and protects the kidney in a mouse model of systemic lupus erythematosus. Hypertension 2010; 56:643-9. [PMID: 20696988 DOI: 10.1161/hypertensionaha.110.157685] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic inflammation has been implicated in the pathology of hypertension; however, the role for specific cytokines remains unclear. We tested whether tumor necrosis factor-α blockade with etanercept (Etan) reduces mean arterial pressure in a female mouse model of systemic lupus erythematosus (SLE). SLE is a chronic inflammatory disorder with prevalent hypertension. Thirty-week-old SLE (NZBWF1) and control mice (NZW/LacJ) received Etan (0.8 mg/kg SC weekly) for 4 weeks or vehicle. Mean arterial pressure (in millimeters of mercury) was increased in SLE mice (150±5 versus 113±5 in controls; P<0.05) and was lower in Etan-treated SLE mice (132±3) but not controls (117±5). Albuminuria (in micrograms per milligram of creatinine) was elevated in SLE mice (28 742±9032 versus 1075±883; P<0.05) and was lower in Etan-treated SLE mice (8154±3899) but not control animals (783±226). Glomerulosclerosis (in percentage of glomeruli) was evident in SLE mice (2.5±1.6 versus 0.0±0.0 in controls; P<0.05) and was ameliorated in Etan-treated SLE mice (0.1±0.1). Renal cortex CD68(+) cell staining (in percentage of area) was elevated in SLE mice (4.75±0.80 versus 0.79±0.12 in controls; P<0.05) and was lower in Etan-treated SLE mice (2.28±0.32) but not controls (1.43±0.25). Renal cortex NADPH oxidase activity (relative light units per milligram of protein) was higher in SLE mice compared with controls (10 718±1276 versus 7584±229; P<0.05) and lowered in Etan-treated SLE mice (6645±490). Renal cortex nuclear factor κB (phosphorylated and nonphosphorylated) was increased in SLE mice compared with controls and lower in Etan-treated SLE mice. These data suggest that TNF-α mechanistically contributes to the development of hypertension in a chronic inflammatory disease through increased renal nuclear factor κB, oxidative stress, and inflammation.
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Affiliation(s)
- Marcia Venegas-Pont
- Department of Physiology and Biophysics, Center for Excellence in Cardiovascular Renal Research, University of Mississippi Medical Center, 2500 North State St, Jackson, MS 39216-4505, USA
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