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Govoni M, Hanly JG. The management of neuropsychiatric lupus in the 21st century: still so many unmet needs? Rheumatology (Oxford) 2021; 59:v52-v62. [PMID: 33280014 PMCID: PMC7719041 DOI: 10.1093/rheumatology/keaa404] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/03/2020] [Indexed: 02/06/2023] Open
Abstract
Neuropsychiatric (NP) events occur in the majority of patients with SLE and predominantly affect the CNS in addition to the peripheral and autonomic systems. Approximately 30% of all NP events are attributable to SLE (NPSLE) and present most frequently around the time of SLE onset. NPSLE is associated with increased morbidity and mortality and the proposed pathogenesis includes both ischaemic and neuroinflammatory mechanisms. Following diagnosis and causal attribution, the treatment of NPSLE is tailored to the type of NP event, the predominant putative pathogenic pathway and the activity and severity of the clinical event. There is a dearth of controlled clinical trials to guide management, but therapeutic options include symptomatic, antithrombotic and immunosuppressive agents that are supported by observational cohort studies. Our objective was to review what is currently known about NPSLE and to identify deficiencies in diagnostic biomarkers, novel therapies and clinical trials for this manifestation of SLE.
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Affiliation(s)
- Marcello Govoni
- Rheumatology Unit, S. Anna Hospital - Ferrara (loc. Cona), Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - John G Hanly
- Division of Rheumatology, Department of Medicine and Department of Pathology, Queen Elizabeth II Health Sciences Center and Dalhousie University, Halifax, Nova Scotia, Canada
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Li Q, Wu H, Liao W, Zhao M, Chan V, Li L, Zheng M, Chen G, Zhang J, Lau CS, Lu Q. A comprehensive review of immune-mediated dermatopathology in systemic lupus erythematosus. J Autoimmun 2018; 93:1-15. [DOI: 10.1016/j.jaut.2018.07.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 07/05/2018] [Indexed: 12/15/2022]
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Bartolucci P, Bréchignac S, Cohen P, Le Guern V, Guillevin L. Adjunctive plasma exchanges to treat neuropsychiatric lupus: a retrospective study on 10 patients. Lupus 2016; 16:817-22. [PMID: 17895305 DOI: 10.1177/0961203307081840] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Neuropsychiatric manifestations of systemic lupus erythematosus (NPSLE) are among the main causes of morbidity and mortality attributed to lupus activity. Conventional NPSLE treatment combines CS and immunosuppressants, but some symptoms do not respond. We retrospectively evaluated the adjunction of plasma exchanges (PE) to treat 13 NPSLE flares occurring in 10 patients (mean age, 30 years) between 1989 and 2002. NP manifestations were the first SLE symptoms for seven patients, with a mean of 3.2 NP manifestations/flare. All patients received CS and cyclophosphamide pulses. A mean of 15 PE/flare were performed. All patients improved within a mean of 3 (median: 2.5; range: 1.5—8) weeks thereafter. Complete remissions of 7/13 flares were obtained within a mean of 7 (median: 4; range: 2—22) weeks. Partial remissions were achieved for the remaining six flares, characterized by new NP manifestations during three and insufficient control of the others. Other SLE manifestations regressed for all patients with the mean European consensus lupus activity measurement score declining from pretreatment 6.9 to 1.2. A regimen combining CS, cyclophosphamide and PE is effective against severe NPSLE, with acceptable toxicity. Lupus (2007) 16, 817—822.
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Affiliation(s)
- P Bartolucci
- Department of Internal Medicine, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Université Descartes Paris 5, 27 rue du Faubourg Saint-Jacques, 75679 Paris Cedex 14, France
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Abstract
The treatment of systemic lupus erythematosus (SLE) has been refined over the years, with the recognition that a fine balance lies between aggressive and prompt therapy and attendant complications brought upon by immunosuppressive therapy itself. However, there has been limited change to the repertoire of drugs available to treat this challenging disease. The current standard therapy for severe manifestations of SLE includes the use of high-dose corticosteroids and cytotoxic agents such as cyclophosphamide (CYC), which have been associated with an increased risk of serious and opportunistic infections. The need for safer, more targeted therapies has been recognized and now, with the exponential increase in the understanding of immunopathogenic mechanisms in SLE, the way has been paved for the development of biologic or targeted therapies in SLE. Although the potential immunosuppression, long-term safety issues and cost-effectiveness remain unclear. These targeted therapies may range from small molecules that specifically inhibit inflammatory processes at an intracellular, cell-cell or cell-matrix level to monoclonal antibodies, soluble receptors or natural antagonists that interfere with cytokine function, cellular activation and inflammatory gene transcription.
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Affiliation(s)
- S Vasoo
- The Lupus Research Unit, The Rayne Institute, St Thomas' Hospital London, UK
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Mondal S, Goswami RP, Sinha D, Basu K, Das S, Ghosh P, Ghosh A. Posterior reversible encephalopathy syndrome in a patient with lupus nephritis on rituximab therapy: a challenge to find the offender. Lupus 2015; 25:445-6. [DOI: 10.1177/0961203315607648] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2015] [Accepted: 08/26/2015] [Indexed: 11/15/2022]
Affiliation(s)
- S Mondal
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - R Prosad Goswami
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - D Sinha
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - K Basu
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - S Das
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - P Ghosh
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
| | - A Ghosh
- Department of Rheumatology, Institute of Post Graduate Medical Education and Research, Kolkata, India
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Affiliation(s)
- Shingo Nakayamada
- The First Department of Internal Medicine; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
| | - Shigeru Iwata
- The First Department of Internal Medicine; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
| | - Yoshiya Tanaka
- The First Department of Internal Medicine; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
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Mula M, Bolamperti L, Varrasi C, Mittino D, Colombi S, Stecco A, Cantello R, Monaco F. SLE-Related Longitudinal Myelitis with Favorable Outcome. Can J Neurol Sci 2009; 36:393-7. [DOI: 10.1017/s0317167100007228] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Tanaka Y, Yamamoto K, Takeuchi T, Nishimoto N, Miyasaka N, Sumida T, Shima Y, Takada K, Matsumoto I, Saito K, Koike T. A multicenter phase I/II trial of rituximab for refractory systemic lupus erythematosus. Mod Rheumatol 2014. [DOI: 10.3109/s10165-007-0565-z] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Yamanaka F, Migita K, Ichinose K, Ohno N, Kimura H, Ishimaru H, Matsuoka Y, Eguchi K, Ezaki H. Catastrophic transverse myelitis in a patient with systemic lupus erythematosus. Mod Rheumatol 2014. [DOI: 10.3109/s10165-004-0376-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Trachana M, Koutsonikoli A, Farmaki E, Printza N, Tzimouli V, Papachristou F. Safety and efficacy of Rituximab in refractory pediatric systemic lupus erythematosus nephritis: a single-center experience of Northern Greece. Rheumatol Int 2013; 33:809-13. [DOI: 10.1007/s00296-011-2239-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Accepted: 10/22/2011] [Indexed: 12/19/2022]
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Narváez J, Ríos-Rodriguez V, de la Fuente D, Estrada P, López-Vives L, Gómez-Vaquero C, Nolla JM. Rituximab therapy in refractory neuropsychiatric lupus: current clinical evidence. Semin Arthritis Rheum 2011; 41:364-72. [PMID: 21875742 DOI: 10.1016/j.semarthrit.2011.06.004] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Revised: 05/26/2011] [Accepted: 06/14/2011] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To review and summarize published information on the effectiveness and safety of rituximab (RTX) in adult patients with refractory neuropsychiatric systemic lupus erythematosus (NPSLE). METHODS We describe a patient with persistently active NPSLE, despite conventional therapy, who responded dramatically to RTX. Current evidence on the therapeutic use of RTX in this complex situation is also analyzed through a systematic review of the English-language literature, based on a PubMed search. RESULTS Available data on the use of RTX in refractory NPSLE come from a large number of case reports and some open-label studies. Including our case, 35 patients have been well documented. A complete or partial therapeutic response was achieved in 85% of patients after 1 cycle of treatment. A positive correlation between serological markers of disease activity and clinical outcome has also been demonstrated in some of these patients. Clinical improvement was accompanied by a significant reduction in the daily dose of oral corticosteroids. Relapse after RTX treatment was noted in 45% of cases (median 9.5 months; range, 4-33 months). Infections were observed in 29% of patients. CONCLUSION Evidence for the effectiveness of RTX as induction therapy in NPSLE is based solely on several case reports and noncontrolled trials. Although it is not yet possible to make definite recommendations, the global analysis of these cases supports the off-label use of RTX in cases of severe refractory NPSLE.
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Affiliation(s)
- Javier Narváez
- Department of Rheumatology, Hospital Universitario de Bellvitge-IDIBELL, Barcelona, Spain.
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Arce-salinas CA, Rodríguez-garcía F, Gómez-vargas JI. Long-term efficacy of anti-CD20 antibodies in refractory lupus nephritis. Rheumatol Int 2012; 32:1245-9. [DOI: 10.1007/s00296-010-1755-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Accepted: 12/30/2010] [Indexed: 10/18/2022]
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Kim J, Gross JA, Dillon SR, Min JK, Elkon KB. Increased BCMA expression in lupus marks activated B cells, and BCMA receptor engagement enhances the response to TLR9 stimulation. Autoimmunity 2011; 44:69-81. [DOI: 10.3109/08916934.2010.509122] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Abstract
In recent years, large controlled trials have tested several new agents for systemic lupus erythematosus (SLE). Unfortunately, none of these trials has met its primary outcome. This does not mean progress has not been made. In fact, a great deal has been learned about doing clinical trials in lupus and about the biological and clinical effects of the drugs being tested. Many of these drugs were designed to target B cells directly, e.g., rituximab, belimumab, epratuzumab, and transmembrane activator and calcium modulator and cyclophilin ligand interactor-immunoglobulin (TACI-Ig). The enthusiasm for targeting B cells derives from substantial evidence showing the critical role of B cells in murine models of SLE, as well promising results from multiple open trials with rituximab, a chimeric anti-CD20 monoclonal antibody that specifically depletes B cells (Martin and Chan in Immunity 20(5):517-527, 2004; Sobel et al. in J Exp Med 173:1441-1449, 1991; Silverman and Weisman in Arthritis Rheum 48:1484-1492, 2003; Silverman in Arthritis Rheum 52(4):1342, 2005; Shlomchik et al. in Nat Rev Immunol 1:147-153, 2001; Looney et al. in Arthritis Rheum 50:2580-2589, 2004; Lu et al. in Arthritis Rheum 61(4):482-487, 2009; Saito et al. in Lupus 12(10):798-800, 2003; van Vollenhoven et al. in Scand J Rheumatol 33(6):423-427, 2004; Sfikakis et al. Arthritis Rheum 52(2):501-513, 2005). Why have the controlled trials of B-cell-targeting therapies failed to demonstrate efficacy? Were there flaws in design or execution of these trials? Or, were promising animal studies and open trials misleading, as so often happens? This perspective discusses the current state of B-cell-targeting therapies for human lupus and the future development of these therapies.
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Affiliation(s)
- R John Looney
- Division of Allergy Immunology Rheumatology, Department of Medicine, University of Rochester Medical Center, 601 Elmwood Ave, Room G-6427C, Rochester, NY, 14642, USA.
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Schröder A, Ellrichmann G, Chehab G, Schneider M, Linker RA, Gold R. [Rituximab in treatment for neuroimmunological diseases]. Nervenarzt 2009; 80:155-6, 158-60, 162-5. [PMID: 19183926 DOI: 10.1007/s00115-008-2663-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Rituximab, a human-mouse chimeric CD20 monoclonal antibody that depletes CD20-positive B cells, has already demonstrated efficacy in hematologic and rheumatologic diseases. Treatment with rituximab results in depletion of CD20-positive cells via multiple mechanisms, including complement-mediated or antibody-dependent cytotoxicity and apoptosis. Recent histopathologic and immunologic studies reveal an influence of B cells on the development and perpetuation of many chronic inflammatory diseases of the nervous system. Promising results with rituximab were already reported in the therapy of myasthenia gravis, immunoneuropathies, neuromyelitis optica, and multiple sclerosis, in which first controlled studies have been recently published. In this review we summarize available data from these reports and also discuss possible underlying molecular mechanisms.
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Affiliation(s)
- A Schröder
- Neurologische Klinik, St. Josef Hospital, Ruhr-Universität Bochum, 44791, Bochum, Deutschland
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Abstract
The complexity of the therapeutic approach in systemic lupus erythematosus (SLE) is increased by the large number of patients who do not respond to the first-line therapies and by relapses after initial clinical remission. In these patients, second-line drugs are often prescribed according to individual clinical decisions. The emergence of biological therapies has increased the therapeutic armamentarium available in these complex situations, but their use is limited by the lack of licensing. Available data on the use of rituximab in SLE rely on a large number of case reports and some observational studies. We analyzed current evidence on the therapeutic use of rituximab in adult SLE patients by a systematic review of reports included in the PubMed database between 2002 and 2007. A total of 188 SLE patients treated with rituximab were identified; 171 (91%) patients showed a significant improvement in one or more of the systemic SLE manifestations. There were 103 patients with lupus nephritis, with an overall rate of therapeutic response of renal involvement of 91%. Adverse events were reported in 44 (23%) patients; the most frequent were infections (19%). Although it is not yet possible to make definite recommendations, the global analysis of all cases reported to date support the off-label use of rituximab in severe, refractory SLE cases, whereas its use as a first-line therapy or in patients with a predominantly mild form of the disease is not advised.
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Affiliation(s)
- M Ramos-Casals
- Laboratory of Autoimmune Diseases “Josep Font”, Department of Autoimmune Diseases, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
| | - MJ Soto
- Laboratory of Autoimmune Diseases “Josep Font”, Department of Autoimmune Diseases, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
| | - MJ Cuadrado
- Lupus Research Unit, The Rayne Institute, King’s College London School of Medicine at Guy’s, King’s and St Thomas’ Hospitals, St Thomas’ Hospital, London, UK
| | - MA Khamashta
- Lupus Research Unit, The Rayne Institute, King’s College London School of Medicine at Guy’s, King’s and St Thomas’ Hospitals, St Thomas’ Hospital, London, UK
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Abstract
Drug repositioning refers to the discovery of alternative uses for drugs--uses that are different from that for which the drugs were originally intended. One challenge in this effort lies in choosing the indication for which a drug of interest could be prospectively tested. We systematically evaluated a drug treatment-based view of diseases in order to address this challenge. Suggestions for novel drug uses were generated using a "guilt by association" approach. When compared with a control group of drug uses, the suggested novel drug uses generated by this approach were significantly enriched with respect to previous and ongoing clinical trials.
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Abstract
Haematological involvement occurs frequently in childhood onset systemic lupus erythematosus (SLE) with autoimmune haemolytic anaemia occurring in 10%. Conventional treatment includes high-dose steroids. Second line agents used in refractory cases include azathioprine, mycophenolate mofetil, cyclosporine and cyclophosphamide. Rituximab, anti-CD20 monoclonal antibody, is emerging in the treatment of SLE refractory to conventional therapy. We report the successful use of anti-CD20 therapy in the treatment of acute life threatening haemolytic anaemia, complicating childhood onset SLE. We propose that earlier introduction of rituximab may reduce the side effects related to other cytotoxic therapy mainly steroids and cyclophosphamide. However, in view of controversies in the reported side effects of rituximab in childhood onset SLE, multicentred randomised controlled trials are required to determine the long-term efficacy, safety and optimal dosing of rituximab in childhood onset SLE.
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Affiliation(s)
- R Abdwani
- Sultan Qaboos University Hospital - Child Health, Al Khod, Oman.
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García-Carrasco M, Jiménez-Hernández M, Escárcega RO, Mendoza-Pinto C, Galarza-Maldonado C, Sandoval-Cruz M, Zamudio-Huerta L, López-Colombo A, Cervera R. Use of rituximab in patients with systemic lupus erythematosus: An update. Autoimmun Rev 2009; 8:343-8. [DOI: 10.1016/j.autrev.2008.11.006] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Indexed: 01/19/2023]
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Affiliation(s)
- L A Barile-Fabris
- Investigadora Asociada. Unidad de Investigación Médica en Epidemiología Clínica. Hospital de Especialidades Bernardo Sepúlveda. Centro Médico Nacional Siglo xxi. Instituto Mexicano del Seguro Social. México DF. México
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Zhou HQ, Zhang FC, Tian XP, Leng XM, Lu JJ, Zhao Y, Tang FL, Zhang X, Zeng XF, Zhang ZL, Zhang W, Dong Y. Clinical features and outcome of neuropsychiatric lupus in Chinese: analysis of 240 hospitalized patients. Lupus 2008; 17:93-9. [PMID: 18250131 DOI: 10.1177/0961203307085671] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Neuropsychiatric (NP) events are severe manifestations of systemic lupus erythematosus (SLE) and relate to poor outcome. The aims of this study are to investigate the NP manifestations of SLE and to identify the predictive factors for clinical outcome. There was a retrospective review of 240 hospital patients with primary NP events of SLE (NPSLE) from 1990 to 2004. Neuropsychiatric manifestations, SLE disease activity index (SLEDAI) score, System lupus International Collaborating Clinic/American College of Rheumatology Damage Index (SLICC/ACR-DI) score, magnetic resonance imaging (MRI) findings, treatment and mortality rate were included for analysis. From this group of patients, 15 NP syndromes were identified. The most frequent manifestation was headache, followed by seizure. The mean SLEDAI and SLICC/ACR-DI scores were 19.9 +/- 6.9 and 3.5 +/- 1.6, respectively. Abnormal MRI features were found in 67% (61/91) patients. At least one intrathecal (IT) injection of methotrexate (MTX) plus dexamethasone (DXM) was administered to 109 (45.4%) patients. High dose (1 g) intravenous methylprednisolone pulse therapy (IVMP) was administered to 167 (69.5%) patients. Multifactor analysis revealed that high SLICC/ACR-DI scores and sets of concurrent NP symptoms were independently associated with poor outcome, whereas pulse IVMP and IT injection of MTX plus DXM were protective factors against poor outcome. From our data, NPSLE is heterogeneous and is usually associated with high disease activity and organ damage scores. High SLICC/ACR-DI score and having more than two sets of NP symptoms are the predictors for poor outcome, whereas pulse IVMP and IT injection of MTX plus DXM can improve the prognosis.
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Affiliation(s)
- H Q Zhou
- Department of Rheumatology and Immunology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
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Abstract
Renal involvement is frequent in children with systemic lupus erythematosus (SLE) and carries significant short and long-term morbidity. Treatment strategy in proliferative glomerulonephritis relies mainly on studies in adult patients where conventional treatment regimens including high doses of cyclophosphamide (CYC) and steroids may cause severe side effects. New strategies including sequential therapies of various combinations of low dose CYC, calcineurine inhibitors (cyclosporine or tacrolimus), mycophenolate mofetil, azathioprine, rituximab are now under investigation in adult patients with very few data in children. Organization of international registries and controlled trials in children with lupus nephritis is mandatory to determine long term prognosis and to validate less toxic therapy regimens in childhood.
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Affiliation(s)
- B Ranchin
- Paediatric Nephrology Unit, Centre de Référence des Maladies Rénales Héréditaires, Hospices Civils de Lyon and Université Lyon 1, Lyon, France.
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Bermell Serrano JC. [Lupus membranous nephropathy]. Med Clin (Barc) 2007; 129:228-35. [PMID: 17678606 DOI: 10.1157/13107926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The systemic lupus erythematosus associated renal hystopathological complexity and its clinical translation, are still a diagnostic challenge with therapeutical implications which, however, include new options in the last few years within the immunosupression compass. The new insights elicited by research work attempt to give some light on renal biopsy performance, its relationship with the arrogated clinical spectrum, its prognosis and on the lupus nephropathy new treatments currently under ongoing clinical trials, some of them showing encouraging results. The lupus membranous nephropathy, recognized as an anatomopathological entity more than 4 decades ago, means a specific pattern in the whole renal lupus histologycal range and, in many aspects, an etiopathogenic enigma.
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Tanaka Y, Yamamoto K, Takeuchi T, Nishimoto N, Miyasaka N, Sumida T, Shima Y, Takada K, Matsumoto I, Saito K, Koike T. A multicenter phase I/II trial of rituximab for refractory systemic lupus erythematosus. Mod Rheumatol 2007; 17:191-7. [PMID: 17564773 DOI: 10.1007/s10165-007-0565-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2007] [Accepted: 02/26/2007] [Indexed: 10/23/2022]
Abstract
Although corticosteroids and immunosuppressants are widely used for the treatments of systemic lupus erythematosus (SLE), safer and more effective therapies are prerequisite. We and others have reported that anti-CD20 antibody rituximab targeting B cells are effective for refractory SLE and, therefore, safety and clinical efficacy of rituximab in SLE was evaluated by a multicenter phase I/II clinical trial. An open-label, multicenter study of 15 patients with active and refractory SLE (total British Isles Lupus Assessment Group [BILAG] score 8 to 17) was conducted. Rituximab was administered to 5 SLE patients as 4 infusions of 500 mg/body every week and to 10 SLE patients as 2 infusions of 1000 mg/body every other week. Assessment of safety, infusion reactions and adverse effects was used as the primary outcome for clinical tolerability and was evaluated by 28 weeks. Rituximab was well tolerated, with most experiencing no significant adverse effects. B cells rapidly reduced in all patients and remained low until 6 months post-treatment. Four patients developed human antichimeric antibodies without affecting efficacy of rituximab. Changes in routine safety laboratory tests clearly related to rituximab were not observed. Nine among 14 evaluable patients achieved the major or partial clinical response of BILAG score and prednisolone dose significantly decreased at the 28 weeks. Rituximab therapy appears to be safe for the treatment of active SLE patients and holds significant therapeutic promise, at least for the majority of patients experiencing profound B-cell depletion.
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Affiliation(s)
- Yoshiya Tanaka
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan, 1-1 Iseigaoka, Yahata-nishi, Kitakyushu 807-8555, Japan.
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Tokunaga M, Saito K, Kawabata D, Imura Y, Fujii T, Nakayamada S, Tsujimura S, Nawata M, Iwata S, Azuma T, Mimori T, Tanaka Y. Efficacy of rituximab (anti-CD20) for refractory systemic lupus erythematosus involving the central nervous system. Ann Rheum Dis 2006; 66:470-5. [PMID: 17107983 PMCID: PMC1856059 DOI: 10.1136/ard.2006.057885] [Citation(s) in RCA: 243] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM Neuropsychiatric systemic lupus erythematosus (NPSLE) is a serious treatment-resistant phenotype of systemic lupus erythematosus. A standard treatment for NPSLE is not available. This report describes the clinical and laboratory tests of 10 patients with NPSLE before and after rituximab treatment, including changes in lymphocyte phenotypes. METHODS Rituximab was administered at different doses in 10 patients with refractory NPSLE, despite intensive treatment. RESULTS Treatment with rituximab resulted in rapid improvement of central nervous system-related manifestations, particularly acute confusional state. Rituximab also improved cognitive dysfunction, psychosis and seizure, and reduced the SLE Disease Activity Index Score at day 28 in all 10 patients. These effects lasted for >1 year in five patients. Flow cytometric analysis showed that rituximab down regulated CD40 and CD80 on B cells and CD40L, CD69 and inducible costimulator on CD4+ T cells. CONCLUSIONS Rituximab rapidly improved refractory NPSLE, as evident by resolution of various clinical signs and symptoms and improvement of radiographic findings. The down regulation of functional molecules on B and T cells suggests that rituximab modulates the interaction of activated B and T cells through costimulatory molecules. These results warrant further analysis of rituximab as treatment for NPSLE.
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Affiliation(s)
- Mikiko Tokunaga
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan, 1-1 Iseigaoka Yahata-nishi, Kitakyushu 807-8555 Japan
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Smith KGC, Jones RB, Burns SM, Jayne DRW. Long-term comparison of rituximab treatment for refractory systemic lupus erythematosus and vasculitis: Remission, relapse, and re-treatment. ACTA ACUST UNITED AC 2006; 54:2970-82. [PMID: 16947528 DOI: 10.1002/art.22046] [Citation(s) in RCA: 281] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE Current treatments for systemic lupus erythematosus (SLE) and vasculitis contribute to mortality and incapacity and are only partially effective; thus, newer therapies are clearly needed. Depletion of B cells has led to disease control in patients with autoimmune disorders. We sought to assess the long-term efficacy and safety of a B cell-depleting therapy in patients with SLE and patients with vasculitis. METHODS In a prospective study with a median followup of 24 months, 11 patients with active or refractory SLE and 11 patients with active or refractory antineutrophil cytoplasmic antibody-associated vasculitis (AAV) received a course of therapy with rituximab (an anti-CD20 monoclonal antibody) along with a single dose of intravenous cyclophosphamide. RESULTS Remission followed rapid B cell depletion, with response rates of 100% among the 11 patients with SLE (6 patients had a complete response, and 5 patients had a partial response) and 91% among the 11 patients with AAV (9 patients had a complete response, and 1 patient had partial remission). A renal response occurred in all 6 patients with lupus nephritis. Clinical improvement was accompanied by significant reductions in the daily dose of prednisolone. Relapse occurred in 64% of the patients with SLE and in 60% of those with AAV. B cell return preceded relapse in the majority of patients, and further treatment with rituximab proved effective. IgG and IgM levels were maintained in the normal range. The incidence of infective complications was low; however, infusion reactions were common, and human antichimeric antibodies developed in 5 of 14 patients. CONCLUSION B cell depletion offers the prospect of sustained disease remission and improved disease control combined with low toxicity in patients with active or refractory SLE or AAV. Relapse following treatment is common, but re-treatment is rapidly effective.
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Affiliation(s)
- K G C Smith
- University of Cambridge School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK.
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29
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Abstract
Central nervous system (CNS) involvement in systemic lupus erythematosus (SLE) can produce a broad range of disease-specific neuropsychiatric manifestations that must be differentiated from infections, metabolic complications, and drug-induced toxicity. Despite the development of classification criteria by the American College of Rheumatology, the prevalence of neuropsychiatric systemic lupus erythematosus (NPSLE) varies widely across studies. Some of the neuropsychiatric manifestations are extremely rare, indicating a need for multicenter studies. Mechanisms that can lead to neuropsychiatric manifestations include intracranial vascular lesions (vasculitis and thrombosis); production of autoantibodies to neuronal antigens, ribosomes, and phospholipids; and inflammation related to local cytokine production. As a rule, no reference standard is available for establishing the diagnosis of NPSLE. Several investigations can be used to assist in the clinical diagnosis and to evaluate severity. Treatment remains largely empirical, given the absence of controlled studies. Variable combinations of corticosteroids, immunosuppressants, and symptomatic drugs are used according to the presumptive main pathogenic mechanism.
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Affiliation(s)
- Alessandra Bruns
- Service de rhumatologie, hôpital Bichat, APHP, 46, rue Henri-Huchard, 75018 Paris, France
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30
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31
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Abstract
Skin and joint involvements are the most commonly occurring manifestations of systemic lupus erythematosus. There are 3 forms of cutaneous lupus: chronic cutaneous (discoid) lupus, subacute cutaneous lupus, and acute cutaneous lupus. Joint manifestations are usually not associated with warmth of the joints and may be only associated with pain and swelling. Painful or swollen joints respond rapidly to small or moderate doses of corticosteroids, whereas cutaneous manifestations usually respond to antimalarial drugs. Anti-Ro is associated closely with a photosensitive rash and with subacute lupus.
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Affiliation(s)
- Naomi Rothfield
- Department of Medicine, Division of Rheumatology, University of Connecticut Health Center, Farmington, 06030, USA.
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32
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Abstract
OBJECTIVES To summarize the therapeutic options for proliferative and membranous lupus nephritis that is resistant to conventional treatment. METHODS Treatment trials in human lupus nephritis from years 1985 to 2005 that have been published in the English literature were searched by Medline using the keywords "lupus," "nephritis," "glomerulonephritis," "renal," "refractory," "resistant," "recalcitrant," "cyclophosphamide," "mycophenolate," "cyclosporin," "tacrolimus," "leflunomide," "intravenous immunoglobulin," "apheresis," "plasmapheresis," "immunoadsorption," "marrow transplantation," "stem cell transplantation," "immunoablative," "rituximab," and "biologics." Laboratory, histological, and nonrenal lupus studies were excluded. RESULTS There is no universal definition of treatment resistance in lupus nephritis. Controlled trials in refractory lupus nephritis are largely unavailable. Open-labeled studies have reported success of newer immunosuppressive drugs, immunomodulatory therapies, and the biological agents such as mycophenolate mofetil (MMF), calcineurin inhibitors, leflunomide, intravenous immunoglobulin, immunoadsorption, and rituximab in the treatment of cyclophosphamide (CYC) resistant proliferative lupus nephritis. More aggressive CYC regimens have been used in lupus nephritis, but at the expense of more toxicities. For membranous lupus nephritis (MLN), a combination of corticosteroids with either azathioprine, chlorambucil, cyclosporin A, MMF, or CYC is initially effective in two-thirds of patients. More aggressive and costly regimens should be reserved for truly refractory disease with persistent nephrotic syndrome or declining renal function. Evidence regarding the efficacy of MMF in refractory MLN is conflicting and controlled trials are necessary to resolve the controversy. CONCLUSIONS The treatment of refractory lupus nephritis remains anecdotal. An international consensus in the renal response criteria should be developed and validated so that controlled trials can be performed to compare the efficacy of various treatment modalities.
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Affiliation(s)
- Chi Chiu Mok
- Department of Medicine, Tuen Mun Hospital, Hong Kong, SAR China.
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33
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Abstract
There has been unprecedented growth in new therapeutic approaches for the treatment of systemic lupus erythematosus (SLE). These approaches include re-evaluation of the doses and duration of therapy with traditional agents, including intravenous cyclophosphamide and azathioprine. Drugs that were developed for other uses are being applied to specific SLE manifestations, and have spurred larger scale trials for overall disease activity. In addition, several new agents show promise in clinical trials; many have safer toxicity profiles than do traditional therapies. Some of these agents have multiple immunomodulatory effects, whereas others interfere with a specific immunologic process in one of the pathogenetic pathways of SLE activity.
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34
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Abstract
Systemic lupus erythematosus (SLE) is a prototypical autoimmune disease, characterised by flares of rampant inflammation that can threaten, in an unpredictable manner, almost any organ in the body. Current standard of care is largely empiric, involving the use of corticosteroids and toxic immune suppressive agents that are widely acknowledged to have unacceptable side effects for long-term use. Recently, there have been significant advances in understanding the nature of some fundamental immune imbalances underlying the complicated clinical manifestations of SLE. Nevertheless attempts to develop and test more targeted, and potentially safer immune-modulating drugs for lupus have encountered significant obstacles, due to the lack of validated biological markers for disease flare and remission, and difficulties in the clinical assessment of the heterogeneous patients. In support of renewed interest in drug development for lupus, large collaborative groups have formed, and efforts are underway to develop objective biomarkers for SLE as well as to improve the standardisation and reproducibility of clinical outcome measures in multi-centre trials.
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Affiliation(s)
- Joan T Merrill
- Oklahoma Medical Research Foundation, Clinical Pharmacology Research Program, 825 Northeast 13 St., Oklahoma City, OK 73104, USA.
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35
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Abstract
Plasma exchange can remove putative pathogenic autoantibodies and circulating immune complexes from the blood of patients with systemic lupus erythematosus (SLE). However, their efficacy has only been supported by noncontrolled and/or retrospective studies. Nonetheless, PE may still be of relevance in some selected SLE patients and as adjunctive therapy, in combination with corticosteroids (CS) and other immunosuppressant(s). We review herein the principal historical steps of the use of plasma exchange to treat SLE, based upon the main trials and case reports that have highlighted its most pertinent indications. Acute life-threatening manifestations and severe therapy-resistant manifestations, like refractory SLE renal disease, diffuse alveolar hemorrhage, neuropsychiatric SLE, thrombotic thrombocytopenic purpura, catastrophic antiphospholipid syndrome, hyperviscosity syndrome and cryoglobulinemia, are the indications for which plasma exchange might have a beneficial therapeutic role. Although few SLE patients undergo plasma exchange each year nowadays (10-20 per year in France), adverse events are very rare and recent advances in plasma exchange technologies, like immunoadsorption, might, in the future, counterbalance their cost and broaden their place in the therapeutic armamentarium for SLE.
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Affiliation(s)
- C Pagnoux
- Department of Internal Medicine, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université René Descartes, Paris, France.
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36
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Sontheimer RD. Subacute Cutaneous Lupus Erythematosus: A Quarter Century's Perspective. The Skin in Systemic Autoimmune Diseases. Elsevier; 2006. pp. 65-86. [DOI: 10.1016/s1571-5078(05)05007-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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37
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Abstract
Several trials of new immunologic agents in systemic lupus erythematosus (SLE) have recently been undertaken. Rituximab, a chimeric antibody directed against CD20 on B lymphocytes, has emerged as a promising therapy. Based upon preliminary data, clinical efficacy of rituximab has been documented in both pediatric and adult-onset SLE patients. The specific manifestations reported to be beneficially affected include lupus nephritis, arthralgia/arthritis, serositis, cutaneous vasculitis, mucositis, rashes, fatigue and neurologic symptoms. Although rituximab's mechanisms of action are incompletely understood, the effects of rituximab are likely mediated by antibody-dependent cell-mediated cytotoxicity and the induction of apoptosis. The resultant repopulation of B cells, alteration of abnormal B cell homeostasis and down-regulation of co-stimulatory molecules on both B and T cells all likely contribute to clinical efficacy. Good tolerability of rituximab is reported with rare serious side effects. The positive response to rituximab verifies a central role for B cells in SLE. This article highlights the clinical experience of rituximab therapy in both pediatric and adult-onset SLE. These data suggest a promising role for rituximab in the treatment of SLE. Further controlled trials and long-term outcome studies are imperative to further define its clinical application and to improve the care of patients.
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Affiliation(s)
- Akaluck Thatayatikom
- Division of Immunology and Rheumatology, Department of Pediatrics, Saint Louis Children's Hospital, Washington University School of Medicine, One Children's Place, Saint Louis, Missouri 63110, USA.
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Abstract
Chronic kidney disease constitutes a highly prevalent health problem worldwide. Left untreated, it progresses inexorably to greater levels of severity at variable rates. The morbid impact of chronic kidney disease is heightened by its role as risk factor for cardiovascular disease. In the past two decades, considerable gains have been realized in retarding progression of chronic kidney disease by emphasizing blood pressure control and blockade of the renin-angiotensin system. Notwithstanding, the therapeutic goal of preventing or arresting chronic kidney disease progression remains unfulfilled. Currently attainable rates of decrease in glomerular filtration rate remain at 2 to 8 mL/min/y depending on the underlying disease. It is now believed that to achieve optimal therapeutic targets (proteinuria of <500 mg/day and decrease in glomerular filtration rate of 1 mL/min/y, the average age-related decline) we must introduce novel strategies and a multifaceted approach to treatment that interrupts multiple mechanisms of progression. To this end, and wherever relevant, new approaches to cause-specific treatment must be applied, such as targeted immunosuppression, intensive glycemic control, gene therapy, and enzyme replacement therapy. Furthermore, in all chronic kidney disease, we must interfere more effectively with the multitude of common mechanisms of progression. Established or putative, such approaches include aggressive blood pressure control; advanced renin-angiotensin system blockade; cytokine modulation and antifibrotic therapy; aldosterone blockade; endothelin blockade, nitric oxide modulation and vasopeptidase inhibition; antioxidant therapy; statin therapy; glycosaminoglycan therapy; anemia therapy; dietary restrictions; lifestyle changes; and pharmacogenomic profiling. Such a concerted, multifaceted approach to management might indeed prevent or arrest progression of chronic kidney disease, or even achieve regression of chronic kidney disease.
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Affiliation(s)
- Bertrand L Jaber
- Department of Medicine, Tufts University School of Medicine, Caritas St. Elizabeth's Medical Center, Boston, Mass 02135, USA
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39
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Dunussi-Joannopoulos K, Hancock GE, Kunz A, Hegen M, Zhou XX, Sheppard BJ, Lamothe J, Li E, Ma HL, Hamann PR, Damle NK, Collins M. B-cell depletion inhibits arthritis in a collagen-induced arthritis (CIA) model, but does not adversely affect humoral responses in a respiratory syncytial virus (RSV) vaccination model. Blood 2005; 106:2235-43. [PMID: 15947095 DOI: 10.1182/blood-2004-11-4547] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
AbstractWe report the development of a mouse B cell-depleting immunoconjugate (anti-CD22 monoclonal antibody [mAb] conjugated to calicheamicin) and its in vivo use to characterize the kinetics of CD22+ B-cell depletion and reconstitution in murine primary and secondary lymphoid tissues. The effect of B-cell depletion was further studied in a murine collagen-induced arthritis (CIA) model and a respiratory syncytial virus (RSV) vaccination model. Our results show that (1) the immunoconjugate has B-cell-specific in vitro and in vivo cytotoxicity; (2) B-cell reconstitution starts in the bone marrow and spleen around day 30 after depletion and is completed in all tissues tested by day 50; (3) B-cell depletion inhibits the development of clinical and histologic arthritis in the CIA model; (4) depletion of type II collagen antibody levels is not necessary for clinical and histologic prevention of CIA; and (5) B-cell depletion does not adversely affect memory antibody responses after challenge nor clearance of infectious virus from lungs in the RSV vaccination model. These results demonstrate for the first time that only B-cell reduction but not type II collagen antibody levels correlate with the prevention of arthritis and represent key insights into the role of CD22-targeted B-cell depletion in mouse autoimmunity and vaccination models.
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40
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Abstract
Nervous system disease in systemic lupus erythematosus (SLE) is manifested by a wide variety of clinical manifestations. Despite the development of a universal classification for neuropsychiatric (NP) lupus in 1999, there continues to be considerable variability in the reported prevalence of NP syndromes between different lupus cohorts. Due to the lack of specificity of individual NP manifestations, non-SLE causes such as complications of therapy and co-morbidities must be considered in advance of attributing the event to one or more primary immunopathogenic mechanisms. These include intracranial microangiopathy, autoantibodies to neuronal and non-neuronal antigens, and the generation of proinflammatory cytokines and mediators. The diagnosis of NP-SLE remains largely one of exclusion and is approached in individual patients by thorough clinical evaluation, supported when necessary by autoantibody profiles, diagnostic imaging, electrophysiologic studies and objective assessment of cognitive performance. Given the diversity in clinical manifestations, the management is tailored to the specific needs of individual patients. In the absence of controlled studies, the use of symptomatic therapies, immunosuppressives, anticoagulants and non-pharmacologic interventions is supported by case series and clinical experience.
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Affiliation(s)
- John G Hanly
- Division of Rheumatology, Department of Medicine, Dalhousie University and Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada B3H 4K4.
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41
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Saito K, Nawata M, Iwata S, Tokunaga M, Tanaka Y. Extremely high titer of anti-human chimeric antibody following re-treatment with rituximab in a patient with active systemic lupus erythematosus. Rheumatology (Oxford) 2005; 44:1462-4. [PMID: 16105908 DOI: 10.1093/rheumatology/kei075] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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42
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Abstract
In recent years, advances in the treatment of systemic lupus erythematosus (SLE) refractory to conventional therapy have been suggested in anecdotal series and some clinical trials. A number of promising agents have been studied only in murine models of SLE, and clinical trials are awaited. Rigorously conducted clinical trials must be completed to advance these studies to the point that new therapies for SLE will be approved.
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Affiliation(s)
- Ellen M Ginzler
- State University of New York-Downstate Medical Center, Brooklyn, NY 11203, USA.
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43
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Abstract
Nervous system disease in patients who have systemic lupus erythematosus (SLE) spans a wide spectrum of neurologic (N) and psychiatric (P) features that may be attributed to a primary manifestation of SLE, complications of the disease or its therapy, or a coincidental disease process. The etiology of primary NP disease is multifactorial and includes vascular injury of intracranial vessels, autoantibodies to neuronal antigens, ribosomes and phospholipid-associated proteins, and the intracranial generation of cytokines. In the absence of a diagnostic gold standard for most of the NP-SLE syndromes, a range of investigations are employed to support the clinical diagnosis and determine the severity of NP disease. Treatment remains largely empiric in the absence of controlled studies, and current strategies include the use of immunosuppressive therapies, appropriate symptomatic interventions, and the treatment of non-SLE factors.
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Affiliation(s)
- John G Hanly
- Division of Rheumatology, Arthritis Center of Nova Scotia, Queen Elizabeth II Health Sciences Centre, Dalhousie University, Halifax, NS B3H 4K4, Canada.
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44
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Barile-Fabris L, Ariza-Andraca R, Olguín-Ortega L, Jara LJ, Fraga-Mouret A, Miranda-Limón JM, Fuentes de la Mata J, Clark P, Vargas F, Alocer-Varela J. Controlled clinical trial of IV cyclophosphamide versus IV methylprednisolone in severe neurological manifestations in systemic lupus erythematosus. Ann Rheum Dis 2005; 64:620-5. [PMID: 15769918 PMCID: PMC1755456 DOI: 10.1136/ard.2004.025528] [Citation(s) in RCA: 238] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Severe neurological involvement in systemic lupus erythematosus (NPSLE) is one of the most dreadful complications of the disease. OBJECTIVE To identify the best drug, dose, and treatment. PATIENTS AND METHODS The study was a controlled clinical trial at two tertiary care centres of patients with SLE according to the ACR criteria, with incident (no more than 15 days) onset of severe NP manifestations such as seizures, optic neuritis, peripheral or cranial neuropathy, coma, brainstem disease, or transverse myelitis. Induction treatment with 3 g of IV methylprednisolone (MP) followed by either IV monthly cyclophosphamide (Cy) versus IV MP bimonthly every 4 months for 1 year and then IV Cy or IV MP every 3 months for another year. The primary end point was response to treatment: at least 20% improvement from basal conditions on clinical, laboratory, or specific neurological testing variables. RESULTS Overall, a response rate of 75% was observed. Of the 32 patients studied, 18/19 receiving Cy and 7/13 receiving MP responded to treatment (p<0.03). CONCLUSIONS Cy seems to be more effective than MP in the treatment of acute, severe NPSLE.
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Affiliation(s)
- L Barile-Fabris
- Clinical Epidemiology Research Unit, Hospital Espicialidades, Centro Médico Nacional Instituto Mexicano del Seguro Social, Mexico.
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45
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Abstract
Proliferative lupus glomerulonephritis World Health Organization Class III and IV patients should benefit from an induction and maintenance therapy with a combined immunosuppressive treatment. Cyclophosphamide is the main recommended drug in induction therapy for a 3- to 6-month treatment period. Refractory lupus nephritis may be considered for immunoablative cyclophosphamide treatment with or without haematopoietic CD34(+) stem-cell transplantation or rituximab. Maintenance therapy should contain either quarterly cyclophosphamide pulses, azathioprine or mycophenolate mofetil for a total treatment duration of at least 2 years. Recent studies suggested a similar efficacy of mycophenolate mofetil and cyclophosphamide in induction and maintenance therapy. This result has to be confirmed in long-term studies.
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Affiliation(s)
- Lucile Mercadal
- Pitié-Salpêtrière Hospital, Nephrology Department, 83 bd de l hopital, 75013 Paris, France.
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46
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Abstract
It is now widely accepted that the current standard of care for systemic lupus erythematosus (SLE) patients is inadequate. There has not been a new medication approved for this disease in thirty years. Attempts to develop and test new drugs have been ongoing since the mid-1990s, but have encountered formidable obstacles. Current models for lupus pathogenesis have provided a theoretical framework for understanding how heterogeneous genetic defects might combine in various ways to increase susceptibility to SLE in different individuals, and could have important implications for new drug development. With the current burst of drug discovery and increased public awareness of SLE, the impetus to overcome these obstacles has never been greater.
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Affiliation(s)
- Joan T Merrill
- Clinical Pharmacology Research Program, Oklahoma Medical Research Foundation, 825 Northeast 13th Street Oklahoma City, Oklahoma 73104, USA
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47
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Abstract
PURPOSE OF REVIEW The purpose of this review is to discuss the most recent published clinical trials for systemic lupus erythematosus and to identify important issues that have arisen in association with the search for new therapies for systemic lupus erythematosus, as well as new regimens or indications for the use of "standard-of-care" agents such as corticosteroids and cyclophosphamide. RECENT FINDINGS Important developments have occurred during the past 2 years as interest in this area has increased, largely because of the participation of pharmaceutical and biotechnical companies in the development and testing of novel agents for systemic lupus erythematosus. Several important large-scale, multicenter, randomized controlled trials have been completed, but none has yet resulted in a new, approved indication for systemic lupus erythematosus. Many issues in the identification of new therapeutic modalities remain. These include the fact that a majority of published reports include either small numbers of patients in controlled trials that lack statistical power to draw conclusions, or are uncontrolled anecdotal series or individual case reports. Among the larger controlled trials, a pervasive issue in the failure to reach statistical significance may be the initial study design. Inclusion of patients with mild and/or stable disease activity does not allow for an effect size sufficient to show differences in treatment arms without recruitment of very large numbers of subjects. Finally, several potentially important trials have been reported only in abstract form to date. Further assessment of the results must await formal publication of these studies.
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Affiliation(s)
- Ellen M Ginzler
- SUNY Downstate Medical Center, Rheumatology Division, Brooklyn, New York 11203, USA.
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48
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Tokunaga M, Fujii K, Saito K, Nakayamada S, Tsujimura S, Nawata M, Tanaka Y. Down-regulation of CD40 and CD80 on B cells in patients with life-threatening systemic lupus erythematosus after successful treatment with rituximab. Rheumatology (Oxford) 2004; 44:176-82. [PMID: 15494350 DOI: 10.1093/rheumatology/keh443] [Citation(s) in RCA: 136] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by autoreactive T cells and polyclonally activated B cells that produce autoantibodies. Five SLE patients who failed to respond to conventional immunosuppressants were treated with anti-CD20 antibody (rituximab) and their clinical manifestations and laboratory data were evaluated, including phenotypic analysis of B cells. METHODS Rituximab (375 mg/m(2)) was administered weekly for 2 weeks in five SLE patients who developed severe manifestations despite intensive treatment. RESULTS Rituximab resulted in rapid improvement (within several days) in clinical manifestations such as consciousness disorder, seizures, progressive sensory disorder, haemolytic crisis, cardiac function and laboratory data. The effects lasted 20 months in one patient; other patients were in remission for more than 6 months. Flow cytometric analysis revealed down-regulation of CD40 and CD80 expression on CD19-positive B cells 1 week after infusion of rituximab, and such down-regulation was seen for more than 7 months in two patients. CONCLUSIONS Our pilot study provides sufficient evidence of excellent tolerability and high efficacy of rituximab therapy in refractory SLE. Rituximab not only reduced B-cell number and IgG levels but down-regulated CD40 and CD80 on B cells, suggesting possible disturbance of T-cell activation through these costimulatory molecules. Reduction of both quantity and quality of B cells suggests that rituximab could improve the disease course in patients with refractory SLE.
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MESH Headings
- Adult
- Anemia, Hemolytic, Autoimmune/drug therapy
- Anemia, Hemolytic, Autoimmune/immunology
- Antibodies, Monoclonal/adverse effects
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Murine-Derived
- Antigens, CD20/immunology
- B-Lymphocytes/immunology
- B7-1 Antigen/immunology
- CD40 Antigens/immunology
- Down-Regulation/immunology
- Female
- Humans
- Immunoglobulin G/analysis
- Lupus Erythematosus, Systemic/drug therapy
- Lupus Erythematosus, Systemic/immunology
- Lymphocyte Depletion/methods
- Middle Aged
- Phenotype
- Pilot Projects
- Rituximab
- Treatment Outcome
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Affiliation(s)
- M Tokunaga
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Kitakyushu 807-8555, Japan
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49
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Canninga-van Dijk MR, van der Straaten HM, Fijnheer R, Sanders CJ, van den Tweel JG, Verdonck LF. Anti-CD20 monoclonal antibody treatment in 6 patients with therapy-refractory chronic graft-versus-host disease. Blood 2004; 104:2603-6. [PMID: 15251978 DOI: 10.1182/blood-2004-05-1855] [Citation(s) in RCA: 103] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Chronic graft-versus-host disease (cGVHD) is an important determinant of long-term morbidity and mortality in allogeneic stem cell transplantation patients. Because cGVHD has clinical, histologic, and laboratory findings of autoimmune diseases and anti-B-cell therapy has shown efficacy in autoimmune diseases, we hypothesized that monoclonal anti-CD20 antibody therapy might improve patients with cGVHD. We treated 5 men and 1 woman with therapy-refractory extensive cGVHD with anti-CD20 monoclonal antibody. Intravenous infusion was given at a weekly dose of 375 mg/m(2) for 4 weeks. In case of incomplete clinical response, additional courses of 4 weeks were given. Five patients responded to treatment with marked clinical, biochemical, and histologic improvement. One patient failed to respond. Anti-CD20 monoclonal antibody seems to be effective in cGVHD. A controlled trial is mandatory to confirm these results. The outcome of this study suggests a participating role of B cells in the pathogenesis of cGVHD.
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Affiliation(s)
- Marijke R Canninga-van Dijk
- Department of Pathology H 04-312, University Medical Centre, PO Box 85500, 3508 GA Utrecht, the Netherlands.
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50
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Tanaka Y. [Anti-CD20 antibody for the treatment of systemic autoimmune diseases]. Nihon Rinsho Meneki Gakkai Kaishi 2004; 27:28-33. [PMID: 15045813 DOI: 10.2177/jsci.27.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Affiliation(s)
- Yoshiya Tanaka
- First Department of Internal Medicine, School of Medicine, University of Occupational & Environmental Health, Japan
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