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Iu ECY, So H, Chan CB. Mitochondrial defects in sporadic inclusion body myositis-causes and consequences. Front Cell Dev Biol 2024; 12:1403463. [PMID: 38808223 PMCID: PMC11130370 DOI: 10.3389/fcell.2024.1403463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 05/02/2024] [Indexed: 05/30/2024] Open
Abstract
Sporadic inclusion body myositis (sIBM) is a distinct subcategory of Idiopathic Inflammatory Myopathies (IIM), characterized by unique pathological features such as muscle inflammation, rimmed vacuoles, and protein aggregation within the myofibers. Although hyperactivation of the immune system is widely believed as the primary cause of IIM, it is debated whether non-immune tissue dysfunction might contribute to the disease's onset as patients with sIBM are refractory to conventional immunosuppressant treatment. Moreover, the findings that mitochondrial dysfunction can elicit non-apoptotic programmed cell death and the subsequent immune response further support this hypothesis. Notably, abnormal mitochondrial structure and activities are more prominent in the muscle of sIBM than in other types of IIM, suggesting the presence of defective mitochondria might represent an overlooked contributor to the disease onset. The large-scale mitochondrial DNA deletion, aberrant protein aggregation, and slowed organelle turnover have provided mechanistic insights into the genesis of impaired mitochondria in sIBM. This article reviews the disease hallmarks of sIBM, the plausible contributors of mitochondrial damage in the sIBM muscle, and the immunological responses associated with mitochondrial perturbations. Additionally, the potential application of mitochondrial-targeted chemicals as a new treatment strategy to sIBM is explored and discussed.
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Affiliation(s)
- Elsie Chit Yu Iu
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Ho So
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, China
| | - Chi Bun Chan
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
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Ziade N, Aoude M, Hmamouchi I, R N, Lilleker JB, Sen P, Joshi M, Agarwal V, Kardes S, Day J, Makol A, Milchert M, Gheita T, Salim B, Velikova T, Edgar Gracia-Ramos A, Parodis I, Nikiphorou E, Chatterjee T, Tan AL, Saavedra MA, Shinjo SK, Knitza J, Kuwana M, Nune A, Cavagna L, Distler O, Chinoy H, Agarwal V, Aggarwal R, Gupta L. Global disparities in the treatment of idiopathic inflammatory myopathies: results from an international online survey study. Rheumatology (Oxford) 2024; 63:657-664. [PMID: 37228012 DOI: 10.1093/rheumatology/kead250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 04/10/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
OBJECTIVES We aimed to explore current practice and interregional differences in the treatment of idiopathic inflammatory myopathies (IIMs). We triangulated these observations considering countries' gross national income (GNI), disease subtypes, and symptoms using patient-reported information. METHODS A cross-sectional ancillary analysis of the 'COVID-19 vaccination in auto-immune disease' (COVAD) e-survey containing demographic characteristics, IIM subtypes (DM, PM, IBM, anti-synthetase syndrome [ASSD], immune-mediated necrotizing myopathy [IMNM], overlap myopathies [OM]), current symptoms (surrogate for organ involvement) and treatments (corticosteroids [CS], immunomodulators [IM], i.e. antimalarials, immunosuppressants [IS], IVIG, biologic treatments and targeted-synthetic small molecules). Treatments were presented descriptively according to continents, GNI, IIM and organ involvement, and associated factors were analysed using multivariable binary logistic regressions. RESULTS Of 18 851 respondents from 94 countries, 1418 with IIM were analysed (age 61 years, 62.5% females). DM (32.4%), IBM (24.5%) and OM (15.8%) were the most common subtypes. Treatment categories included IS (49.4%), CS (38.5%), IM (13.8%) and IVIG (9.4%). Notably, treatments varied across regions, GNI categories (IS mostly used in higher-middle income, IM in lower-middle income, IVIG and biologics largely limited to high-income countries), IIM subtypes (IS and CS associated with ASSD, IM with OM and DM, IVIG with IMNM, and biologic treatments with OM and ASSD) and disease manifestations (IS and CS with dyspnoea). Most inter-regional treatment disparities persisted after multivariable analysis. CONCLUSION We identified marked regional treatment disparities in a global cohort of IIM. These observations highlight the need for international consensus-driven management guidelines considering patient-centred care and available resources.
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Affiliation(s)
- Nelly Ziade
- Rheumatology Department, Saint-Joseph University, Beirut, Lebanon
- Rheumatology Department, Hotel-Dieu de France Hospital, Beirut, Lebanon
| | - Marc Aoude
- Rheumatology Department, Saint-Joseph University, Beirut, Lebanon
- Rheumatology Department, Hotel-Dieu de France Hospital, Beirut, Lebanon
| | - Ihsane Hmamouchi
- Laboratory of Clinical Research and Epidemiology, Faculty of Medicine, Mohammed V University, Rabat, Morocco
- Department of Medicine, Health Sciences College, International University of Rabat (UIR), Rabat, Morocco
| | - Naveen R
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - James B Lilleker
- Centre for Musculoskeletal Research, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
- Neurology, Manchester Centre for Clinical Neurosciences, Northern Care Alliance NHS Foundation Trust, Salford, UK
| | - Parikshit Sen
- Maulana Azad Medical College, New Delhi, Delhi, India
| | - Mrudula Joshi
- Byramjee Jeejeebhoy Government Medical College and Sassoon General Hospitals, Pune, India
| | - Vishwesh Agarwal
- Mahatma Gandhi Mission Medical College, Navi Mumbai, Maharashtra, India
| | - Sinan Kardes
- Department of Medical Ecology and Hydroclimatology, Istanbul Faculty of Medicine, Istanbul University, Capa-Fatih, Istanbul, Turkey
| | - Jessica Day
- Department of Rheumatology, Royal Melbourne Hospital, Parkville, VIC, Australia
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Ashima Makol
- Division of Rheumatology, Mayo Clinic, Rochester, MN, USA
| | - Marcin Milchert
- Department of Internal Medicine, Rheumatology, Diabetology, Geriatrics and Clinical Immunology, Pomeranian Medical University, Szczecin, Poland
| | - Tamer Gheita
- Rheumatology Department, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt
| | - Babur Salim
- Rheumatology Department, Fauji Foundation Hospital, Rawalpindi, Pakistan
| | | | - Abraham Edgar Gracia-Ramos
- Department of Internal Medicine, General Hospital, National Medical Center, 'La Raza', Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - 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
| | - Elena Nikiphorou
- Centre for Rheumatic Diseases, King's College London, London, UK
- Rheumatology Department, King's College Hospital, London, UK
| | - Tulika Chatterjee
- Center for Outcomes Research, Department of Internal Medicine, University of Illinois College of Medicine, Peoria, IL, USA
| | - Ai Lyn Tan
- NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals Trust, Leeds, UK
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Miguel A Saavedra
- Departamento de Reumatología, Hospital de Especialidades Dr Antonio Fraga Mouret, IMSS, Centro Médico Nacional La Raza, Mexico City, Mexico
| | - Samuel Katsuyuki Shinjo
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Johannes Knitza
- Medizinische Klinik 3 - Rheumatologie und Immunologie, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Deutschland
| | - Masataka Kuwana
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Arvind Nune
- Southport and Ormskirk Hospital NHS Trust, Southport, UK
| | - Lorenzo Cavagna
- Rheumatology Division, IRCCS Policlinico San Matteo Foundation, Pavia, Lombardia, Italy
- Rheumatology Unit, Dipartimento di Medicine Interna e Terapia Medica, Università degli studi di Pavia, Pavia, Lombardy, Italy
| | - Oliver Distler
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Hector Chinoy
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
- National Institute for Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, The University of Manchester, Manchester, UK
- Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Salford, UK
| | - Vikas Agarwal
- Department of Medicine, Health Sciences College, International University of Rabat (UIR), Rabat, Morocco
| | - Rohit Aggarwal
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Latika Gupta
- Centre for Musculoskeletal Research, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
- Department of Rheumatology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK
- City Hospital, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
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Rajagopal S, Alruwaili F, Mavratsas V, Serna MK, Murthy VL, Raji M. Glucagon-Like Peptide-1 Receptor Agonists in the Treatment of Idiopathic Inflammatory Myopathy: From Mechanisms of Action to Clinical Applications. Cureus 2023; 15:e51352. [PMID: 38292961 PMCID: PMC10824603 DOI: 10.7759/cureus.51352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2023] [Indexed: 02/01/2024] Open
Abstract
Idiopathic inflammatory myopathies (IIMs) result in proximal muscle weakness and other intramuscular and extramuscular manifestations. Pharmacologic treatments in use for IIMs are limited to corticosteroids and immunosuppressants in addition to supportive physical and occupational therapy. Glucagon-like peptide-1 receptor (GLP-1R) agonists are currently utilized in the treatment of type II diabetes and obesity but may play a role in the treatment of IIMs. The current scoping review of extant literature aims to synthesize findings from studies assessing the therapeutic effects of GLP-1R agonists in the management of inflammatory myopathy and muscle atrophy. A literature search was conducted through PubMed, resulting in a total of 19 research-based articles included in this review. Mice and human studies showed, with varying levels of significance, that GLP-1R agonists led to decreases in muscle atrophy, inflammation, adiposity, and weakness; improvement in muscle microvasculature and endurance; and promotion of muscle mitochondria biogenesis. The potential for GLP-1R agonists to improve muscle function and architecture underscores the need for large randomized controlled, clinically comparative trials of GLP-1R agonists in patients with IIM.
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Affiliation(s)
- Shilpa Rajagopal
- John Sealy School of Medicine, University of Texas Medical Branch, Galveston, USA
| | | | - Vasilis Mavratsas
- Department of Internal Medicine and Aerospace Medicine, University of Texas Medical Branch, Galveston, USA
| | - Myrna K Serna
- Division of General Medicine, Department of Internal Medicine, University of Texas Medical Branch, Galveston, USA
| | - Vijaya L Murthy
- Division of Rheumatology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, USA
| | - Mukaila Raji
- Division of Geriatrics and Palliative Medicine, Department of Internal Medicine; Department of Preventive Medicine and Population Health, University of Texas Medical Branch, Galveston, USA
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Pecher AC, Hensen L, Klein R, Schairer R, Lutz K, Atar D, Seitz C, Stanger A, Schneider J, Braun C, Schmidt M, Horger M, Bornemann A, Faul C, Bethge W, Henes J, Lengerke C. CD19-Targeting CAR T Cells for Myositis and Interstitial Lung Disease Associated With Antisynthetase Syndrome. JAMA 2023; 329:2154-2162. [PMID: 37367976 PMCID: PMC10300719 DOI: 10.1001/jama.2023.8753] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/04/2023] [Indexed: 06/28/2023]
Abstract
Importance Autoimmune disorders can affect various organs and if refractory, can be life threatening. Recently, CD19-targeting-chimeric antigen receptor (CAR) T cells were efficacious as an immune suppressive agent in 6 patients with refractory systemic lupus erythematosus and in 1 patient with antisynthetase syndrome. Objective To test the safety and efficacy of CD19-targeting CAR T cells in a patient with severe antisynthetase syndrome, a complex autoimmune disorder with evidence for B- and T-cell involvement. Design, Setting, and Participants This case report describes a patient with antisynthetase syndrome with progressive myositis and interstitial lung disease refractory to available therapies (including rituximab and azathioprine), who was treated with CD19-targeting CAR T cells in June 2022 at University Hospital Tübingen in Tübingen, Germany, with the last follow-up in February 2023. Mycophenolate mofetil was added to the treatment to cotarget CD8+ T cells, hypothesized to contribute to disease activity. Exposure Prior to treatment with CD19-targeting CAR T cells, the patient received conditioning therapy with fludarabine (25 mg/m2 [5 days before until 3 days before]) and cyclophosphamide (1000 mg/m2 [3 days before]) followed by infusion of CAR T cells (1.23×106/kg [manufactured by transduction of autologous T cells with a CD19 lentiviral vector and amplification in the CliniMACS Prodigy system]) and mycophenolate mofetil (2 g/d) 35 days after CD19-targeting CAR T-cell infusion. Main Outcomes and Measures The patient's response to therapy was followed by magnetic resonance imaging of the thigh muscle, Physician Global Assessment, functional muscle and pulmonary tests, and peripheral blood quantification of anti-Jo-1 antibody levels, lymphocyte subsets, immunoglobulins, and serological muscle enzymes. Results Rapid clinical improvement was observed after CD19-targeting CAR T-cell infusion. Eight months after treatment, the patient's scores on the Physician Global Assessment and muscle and pulmonary function tests improved, and there were no detectable signs of myositis on magnetic resonance imaging. Serological muscle enzymes (alanine aminotransferase, aspartate aminotransferase, creatinine kinase, and lactate dehydrogenase), CD8+ T-cell subsets, and inflammatory cytokine secretion in the peripheral blood mononuclear cells (interferon gamma, interleukin 1 [IL-1], IL-6, and IL-13) were all normalized. Further, there was a reduction in anti-Jo-1 antibody levels and a partial recovery of IgA (to 67% of normal value), IgG (to 87%), and IgM (to 58%). Conclusions and Relevance CD19-targeting CAR T cells directed against B cells and plasmablasts deeply reset B-cell immunity. Together with mycophenolate mofetil, CD19-targeting CAR T cells may break pathologic B-cell, as well as T-cell responses, inducing remission in refractory antisynthetase syndrome.
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Affiliation(s)
- Ann-Christin Pecher
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Luca Hensen
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Reinhild Klein
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Rebekka Schairer
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Katrin Lutz
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Daniel Atar
- Department of Pediatric Hematology and Oncology, Children’s Hospital, University Hospital Tübingen, Tübingen, Germany
| | - Christian Seitz
- Department of Pediatric Hematology and Oncology, Children’s Hospital, University Hospital Tübingen, Tübingen, Germany
| | - Anna Stanger
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Janine Schneider
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Christiane Braun
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Marina Schmidt
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Marius Horger
- Department for Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
| | - Antje Bornemann
- Department of Pathology and Neuropathology and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany
| | - Christoph Faul
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Wolfgang Bethge
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Joerg Henes
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Claudia Lengerke
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
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Chandra T, Aggarwal R. A Narrative Review of Acthar Gel for the Treatment of Myositis. Rheumatol Ther 2023; 10:523-537. [PMID: 36966453 PMCID: PMC10140234 DOI: 10.1007/s40744-023-00545-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/28/2023] [Indexed: 03/27/2023] Open
Abstract
Idiopathic inflammatory myopathies (IIMs) are autoimmune disorders characterized by symmetric proximal muscle weakness and chronic inflammation, with an increased risk of morbidity and mortality. The current standard of care includes traditional immunosuppressive pharmacotherapies; however, some patients cannot tolerate or do not adequately respond to these therapies, highlighting the need for alternative treatments for refractory disease. Acthar® Gel (repository corticotropin injection) is a naturally sourced mixture of adrenocorticotropic hormone analogs and other pituitary peptides that has been approved by the US Food and Drug Administration since 1952 for use in patients with two subgroups of IIMs, dermatomyositis (DM) and polymyositis (PM). However, it has not been routinely used in the treatment of IIMs. While Acthar may induce steroidogenesis, it also has a steroid-independent mechanism of action by exerting immunomodulatory effects through the activation of melanocortin receptors on immune cells, such as macrophages, B cells, and T cells. Recent clinical trials, retrospective analyses, and case reports add to the growing evidence suggesting that Acthar may be effective in patients with DM and PM. Here we review the current evidence supporting the safety and efficacy of Acthar for the treatment of refractory DM and PM.
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Affiliation(s)
| | - Rohit Aggarwal
- University of Pittsburgh, 3601 5th Avenue, Suite 2B, Pittsburgh, PA, 15261, USA.
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6
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Velikova T, Sekulovski M, Bogdanova S, Vasilev G, Peshevska-Sekulovska M, Miteva D, Georgiev T. Intravenous Immunoglobulins as Immunomodulators in Autoimmune Diseases and Reproductive Medicine. Antibodies (Basel) 2023; 12:antib12010020. [PMID: 36975367 PMCID: PMC10045256 DOI: 10.3390/antib12010020] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/17/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Intravenous administration of immunoglobulins has been routinely used for more than 60 years in clinical practice, developed initially as replacement therapy in immunodeficiency disorders. Today, the use of intravenous immunoglobulins (IVIGs) is embedded in the modern algorithms for the management of a few diseases, while in most cases, their application is off-label and thus different from their registered therapeutic indications according to the summary of product characteristics. In this review, we present the state-of-the-art use of IVIGs in various autoimmune conditions and immune-mediated disorders associated with reproductive failure, as approved therapy, based on indications or off-label. IVIGs are often an alternative to other treatments, and the administration of IVIGs continues to expand as data accumulate. Additionally, new insights into the pathophysiology of immune-mediated disorders have been gained. Therefore, the need for immunomodulation has increased, where IVIG therapy represents an option for stimulating, inhibiting and regulating various immune processes.
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Affiliation(s)
- Tsvetelina Velikova
- Medical Faculty, Sofia University St. Kliment Ohridski, 1 Kozyak Str., 1407 Sofia, Bulgaria
- Correspondence:
| | - Metodija Sekulovski
- Medical Faculty, Sofia University St. Kliment Ohridski, 1 Kozyak Str., 1407 Sofia, Bulgaria
- Department of Anesthesiology and Intensive Care, University Hospital Lozenetz, 1 Kozyak Str., 1407 Sofia, Bulgaria
| | - Simona Bogdanova
- First Department of Internal Medicine, Medical Faculty, Medical University of Varna, 9000 Varna, Bulgaria
| | - Georgi Vasilev
- Clinic of Neurology, UMHAT “Sv. Georgi”, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Monika Peshevska-Sekulovska
- Medical Faculty, Sofia University St. Kliment Ohridski, 1 Kozyak Str., 1407 Sofia, Bulgaria
- Department of Gastroenterology, University Hospital Lozenetz, 1 Kozyak Str., 1407 Sofia, Bulgaria
| | - Dimitrina Miteva
- Department of Genetics, Faculty of Biology, Sofia University St. Kliment Ohridski, 8 Dragan Tzankov Str., 1164 Sofia, Bulgaria
| | - Tsvetoslav Georgiev
- First Department of Internal Medicine, Medical Faculty, Medical University of Varna, 9000 Varna, Bulgaria
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Anto EM, Sruthi CR, Krishnan L, Raghu KG, Purushothaman J. Tangeretin alleviates Tunicamycin-induced endoplasmic reticulum stress and associated complications in skeletal muscle cells. Cell Stress Chaperones 2023; 28:151-165. [PMID: 36653727 PMCID: PMC10050522 DOI: 10.1007/s12192-023-01322-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/10/2022] [Accepted: 01/10/2023] [Indexed: 01/20/2023] Open
Abstract
Endoplasmic reticulum (ER) stress and associated oxidative stress are involved in the genesis and progression of skeletal muscle diseases such as myositis and atrophy or muscle wasting. Targeting the ER stress and associated downstream pathways can aid in the development of better treatment strategies for these diseases with limited therapeutic approaches. There is a growing interest in identifying natural products against ER stress due to the lower toxicity and cost effectiveness. In the present study, we investigated the protective effect of Tangeretin, a citrus methoxyflavone found in citrus peels against Tunicamycin (pharmacological ER stress inducer)-induced ER stress and associated complications in rat skeletal muscle L6 cell lines. Treatment with Tunicamycin for a period of 24 h resulted in the upregulation of ER stress marker proteins, ER resident oxidoreductases and cellular reactive oxygen species (ROS). Co-treatment with Tangeretin was effective in alleviating Tunicamycin-induced ER stress and associated redox-related complications by significantly downregulating the unfolded protein response (UPR), ER resident oxidoreductase proteins, cellular ROS and improving the antioxidant enzyme activity. Tunicamycin also induced upregulation of phosphorylated p38 MAP Kinase and loss of mitochondrial membrane potential. Tangeretin significantly reduced the levels of phosphorylated p38 MAP Kinase and improved the mitochondrial membrane potential. From the results, it is evident that Tangeretin can be explored further as a potential candidate for skeletal muscle diseases involving protein misfolding and ER stress.
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Affiliation(s)
- Eveline M Anto
- Department of Biochemistry, Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science & Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - C R Sruthi
- Department of Biochemistry, Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science & Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Lekshmy Krishnan
- Department of Biochemistry, Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science & Technology, Thiruvananthapuram, 695019, Kerala, India
| | - K G Raghu
- Department of Biochemistry, Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science & Technology, Thiruvananthapuram, 695019, Kerala, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Jayamurthy Purushothaman
- Department of Biochemistry, Agro-Processing & Technology Division, CSIR-National Institute for Interdisciplinary Science & Technology, Thiruvananthapuram, 695019, Kerala, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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8
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Aurangabadkar GM, Aurangabadkar MY, Choudhary SS, Ali SN, Khan SM, Jadhav US. Pulmonary Manifestations in Rheumatological Diseases. Cureus 2022; 14:e29628. [PMID: 36321051 PMCID: PMC9612897 DOI: 10.7759/cureus.29628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/26/2022] [Indexed: 11/06/2022] Open
Abstract
Pulmonary involvement complicates the various aspects of care in patients suffering from autoimmune disorders. The epidemiological data generated over the last 10 to 15 years have improved the overall understanding of the risk factors and pathophysiological mechanisms involved in pulmonary involvement in rheumatological conditions. Recent advances in genetics have provided superior insight into the pathogenesis of autoimmune diseases and the underlying pulmonary involvement. This review article provides a concise overview of the four most common rheumatological conditions associated with pulmonary involvement: systemic lupus erythematosus (SLE), dermatomyositis/polymyositis, rheumatoid arthritis (RA), and systemic sclerosis (SSc). The clinical, epidemiological, and genetic aspects of these diseases are summarized in this article with particular emphasis on the characteristic patterns of pulmonary involvement in radiological imaging and various treatment options for each of these autoimmune diseases and their lung manifestations.
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9
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Concurrent myopathy and inflammatory cardiac disease in COVID-19 patients: a case series and literature review. Rheumatol Int 2022; 42:905-912. [PMID: 35275269 PMCID: PMC8915139 DOI: 10.1007/s00296-022-05106-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 02/25/2022] [Indexed: 01/05/2023]
Abstract
Adult COVID-19 patients can present with acute muscle and/or cardiac involvement. Our study aims to describe the incidence and characteristics of patients with the co-occurrence of COVID-19 myopathy and inflammatory cardiac disease. We retrospectively reviewed all COVID-19 patients admitted to a large tertiary center to assess the co-occurrence of myopathy and inflammatory cardiac disease. We conducted a literature review of prior relevant case reports. There were three COVID-19 patients with concurrent involvement from our center and five cases in the published literature. Overall, mean age was 57.7 ± 16, four were females (50%) and only two patients (25%) had major relevant comorbidities. Muscle involvement included rhabdomyolysis or myositis and cardiac involvement included myocarditis or pericarditis. Most patients (75%) had no respiratory COVID-19 symptoms. Troponin and creatine phosphokinase levels were higher than twofold of the upper limit of normal for all patients. Steroids were used in the treatment of most patients (75%). All patients had a resolution or improvement of their extra-pulmonary involvement while two (25%) deteriorated due to COVID-19 pneumonia. The incidence for this co-occurrence is 0.07% among hospitalized COVID-19 patients. Patients with these rare COVID-19 simultaneous manifestations have distinct features. They are generally younger, present with extra-pulmonary symptoms and do not have severe respiratory compromise. An underdiagnosis causing treatment delay is possible. Further study is needed.
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Mehta P, Rathore U, Naveen R, Chatterjee R, Agarwal V, Aggarwal R, Gupta L. Prevalent Drug Usage Practices in Adults and Children With Idiopathic Inflammatory Myopathies: Registry-Based Analysis From the MyoCite Cohort. J Clin Rheumatol 2022; 28:89-96. [PMID: 35067505 DOI: 10.1097/rhu.0000000000001813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Idiopathic inflammatory myopathies (IIMs) form a heterogeneous group of disorders with a deficit of quality evidence regarding its management. Therefore, we aimed to explore the prevalent treatment practices in the MyoCite cohort from India. METHODS Drug usage patterns, their predictors, drug retention rates, efficacy, and adverse drug reactions were analyzed for adults and children newly diagnosed with IIM (2017-2020) and followed prospectively and compared with real-world data by performing a medical records review. GraphPad Prism version 8.4.2 was used for statistical analysis. RESULTS Of 181 adults (male-to-female ratio, 1:4.6) and 30 children (M:F, 1.3:1), dermatomyositis (41% adults, 93% children) was the most common subtype. Methotrexate (MTX) was the drug of choice (67% adult, 90% children) followed by azathioprine (AZA) and mycophenolate mofetil (MMF). The MMF, AZA, cyclophosphamide, and rituximab (RTX) were preferred for those with antisynthetase syndrome (ASSD) and those with lung involvement, whereas MTX was avoided in them. Functional class and family income did not determine drug preferences. Glucocorticoids were initiated at a lower dose in overlap myositis (45% vs 80%, p = 0.001), and the time to achieve the lowest dose of glucocorticoids was longer than 24 months for ASSD (77% vs 14%, p = 0.002).Over a median of 35 months, the overall retention rate was the highest for RTX (75%) followed by MTX (58%). Relapse-free survival was the highest for RTX followed by MTX. The most common reasons for discontinuation were adverse drug reactions for MTX and MMF, inefficacy for AZA, and cost for RTX. CONCLUSIONS In this first analysis of drug usage and retention in patients with IIM in Northern India, MTX emerged as the most preferred drug in both adults and children, with the exception of those with ASSD or lung disease. Organ involvement and subtype of IIM are key determinants of drug preference. Overall, RTX and MTX were well-tolerated with high retention rates, followed by AZA and MMF.
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Affiliation(s)
- Pankti Mehta
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Upendra Rathore
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - R Naveen
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Rudrarpan Chatterjee
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Vikas Agarwal
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Rohit Aggarwal
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA
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11
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OUP accepted manuscript. Brain 2022; 145:858-871. [DOI: 10.1093/brain/awab476] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/20/2021] [Accepted: 11/28/2021] [Indexed: 11/14/2022] Open
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12
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Shahzad M, Chaudhary SG, Basit A, Thellman C, Rodriguez L, Abhyankar SH, McGuirk JP, Mushtaq MU. Chronic graft-versus-host disease presenting as acute polymyositis: A case series and systematic review. Transpl Immunol 2021; 70:101520. [PMID: 34952168 DOI: 10.1016/j.trim.2021.101520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 12/24/2022]
Abstract
Chronic graft-versus-host disease (cGvHD) remains a significant complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Commonly targeted organs are skin, eyes, mouth, gastrointestinal tract, and liver. Muscular involvement and presentation as acute polymyositis (APM) remain a rare manifestation of cGvHD. We present a case series of three patients who presented with APM as a sole presentation of cGvHD and were treated successfully with corticosteroids and ruxolitinib. We also conducted a systematic review including 72 patients to summarize current literature regarding APM associated with cGvHD after allo-HSCT. The estimated incidence of cGvHD-associated APM is up to 3.4%, with a median time to onset of 1.6 years post-allo-HSCT. Most cases (85%) presented with myalgia and progressive bilateral proximal muscle weakness with elevated creatine kinase and/or aldolase. Over half of the patients had a prior history of acute GvHD. Isolated APM presenting without other clinical manifestations of cGvHD was rare. Biopsy of affected muscles usually shows characteristic myonecrosis, which remains the gold standard for diagnosis. Most cases respond to systemic steroids and immunosuppressive therapy. However, refractory cases remain challenging to treat and can cause significant morbidity and mortality. Ruxolitinib appears to be an effective therapy in this setting.
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Affiliation(s)
- Moazzam Shahzad
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sibgha Gull Chaudhary
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Abdul Basit
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Connor Thellman
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Liza Rodriguez
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sunil H Abhyankar
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Joseph P McGuirk
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Muhammad Umair Mushtaq
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States.
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Jung SY, Sung YK, Kim H, Cha EJ, Jang EJ, Yoo DH, Cho SK. Comparative Effectiveness of Azathioprine Versus Cyclosporine as an Initial Treatment for Idiopathic Inflammatory Myopathies: A Population-Based Observational Study. Rheumatol Ther 2021; 9:139-149. [PMID: 34773610 PMCID: PMC8814078 DOI: 10.1007/s40744-021-00392-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022] Open
Abstract
Objective To compare the effectiveness of azathioprine (AZA) and cyclosporine (CsA) as initial treatments for patients with idiopathic inflammatory myopathies (IIM). Methods A retrospective cohort study was conducted using information from the National Health Insurance Service database of Republic of Korea. Patients with IIM who had started AZA or CsA as initial treatment between January 2007 and December 2011 were selected for the study. They were followed from the day of treatment initiation to the occurrence of study outcomes or the end of the study until December 2016. Effectiveness outcomes, defined as switching the drug or adding immunosuppressants, and discontinuation of corticosteroids, were compared between the two groups. The Cox proportional-hazards model was used to calculate the adjusted relative risk (aRR) with 95% confidence interval (CI) between the AZA and CsA groups. Results A total of 376 patients with incident IIM who used AZA (n = 288) or CsA (n = 88) were identified. The aRR of switching the drug or adding immunosuppressants (1.45 [95% CI 0.99–2.11]) was not significantly different between the CsA and AZA groups. Among patients who were treated with corticosteroids at baseline, the rate of discontinuation of corticosteroids was not different between the two groups (1.69 [95% CI 0.82–3.47]). Conclusions The effectiveness of AZA and CsA as initial treatments for the management of IIM was comparable. Supplementary Information The online version contains supplementary material available at 10.1007/s40744-021-00392-y.
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Affiliation(s)
- Sun-Young Jung
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Yoon-Kyoung Sung
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Hyoungyoung Kim
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Eom Ji Cha
- Department of Statistics, Kyungpook National University, Daegu, Republic of Korea
| | - Eun Jin Jang
- Department of Information Statistics, Andong National University, Andong-si, Republic of Korea
| | - Dae-Hyun Yoo
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Soo-Kyung Cho
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea. .,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea.
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14
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Foreman M, Cherubini GB. Dexamethasone Can Be Safely and Effectively Used for Treatment of Masticatory Muscle Myositis in Dogs. Top Companion Anim Med 2021; 44:100538. [PMID: 33933701 DOI: 10.1016/j.tcam.2021.100538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 04/07/2021] [Accepted: 04/19/2021] [Indexed: 11/18/2022]
Abstract
Dexamethasone is the glucocorticoid of choice in many human inflammatory and immune-mediated conditions, given its reported effectiveness and limited side effect profile. In veterinary medicine, the glucocorticoid of choice is prednisone, however the safety of longer-term use of dexamethasone has not previously been studied. The aim of this study was to evaluate the safety, effectiveness and side effects of dexamethasone use as the glucocorticoid treatment for masticatory muscle myositis in dogs - an immune-mediated inflammatory condition. 93% of dogs showed a clinical improvement within two weeks of treatment, and 100% by ten weeks. 35% of dogs showed adverse reactions, however these were all mild and resolved with tapering of the dexamethasone dose. In conclusion, dexamethasone can be safely and effectively used for the treatment of masticatory muscle myositis in dogs, and should be considered for use in these cases, either alone or alongside additional immunosuppressive medications. Side effects are mild and resolve with tapering of the dexamethasone dose.
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Affiliation(s)
- Max Foreman
- Department of Neurology and Neurosurgery, Dick White Referrals, Six Mile Bottom, Cambs, UK.
| | - Giunio Bruto Cherubini
- Department of Neurology and Neurosurgery, Dick White Referrals, Six Mile Bottom, Cambs, UK
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15
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Kong SS, Pham T, Fortis A, Raval A, Bhanusali N. Yoga as a Novel Adjuvant Therapy for Patients with Idiopathic Inflammatory Myopathies. Int J Yoga 2021; 14:75-82. [PMID: 33840980 PMCID: PMC8023441 DOI: 10.4103/ijoy.ijoy_78_20] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 12/31/2022] Open
Abstract
Context: Recent studies have demonstrated that physical activity is well tolerated by patients with idiopathic inflammatory myopathies (IIMs) and can have additional benefits as an adjuvant therapy to pharmacologic agents, especially if started early. To date, no studies have examined the effects of yoga on patients with IIMs. Aims: The aim of this study was to evaluate the effects of yoga on self-reported difficulty in performing activities of daily living (ADL) and muscle strength in patients with mild-to-moderate IIMs. Subjects and Methods: A longitudinal cohort study in which participants were assessed using the Myositis Activities Profile (MAP) and manual muscle testing (MMT) before and after the completion of an 8-week instructor-guided yoga course was performed. Statistical Analysis Used: Wilcoxon signed-ranked test was performed for statistical analysis. Results: The average posttreatment MAP scores of six participants demonstrated an increase of 2.51 points, while the average MMT score of four participants demonstrated an increase of 11 points. Conclusions: This study is the first study to date to examine the effect of yoga as an adjuvant complementary therapy for patients with IIM. Continued research should be done on the effect of yoga as an adjuvant therapy, for in addition to increase in muscle strength and ability to perform ADL, yoga may offer potential improvements in mood, mental health, and sleep.
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Affiliation(s)
- Steve S Kong
- Department of Medicine, Highland Hospital Alameda Health, Oakland Ca, USA
| | - Thanh Pham
- College of Behavioral and Community Sciences, University of South Florida, Tampa, FL, USA
| | - Allyson Fortis
- College of Nursing, University of South Alabama, Mobile, AL, USA
| | - Alpa Raval
- Healing Arts Specialist Orlando Health UF Cancer Center, School of Integrative Yoga, Orlando, FL, USA
| | - Neha Bhanusali
- Department of Medicine, University of Central Florida, Orlando, FL, USA
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16
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Zhao L, Wang Q, Zhou B, Zhang L, Zhu H. The Role of Immune Cells in the Pathogenesis of Idiopathic Inflammatory Myopathies. Aging Dis 2021; 12:247-260. [PMID: 33532139 PMCID: PMC7801271 DOI: 10.14336/ad.2020.0410] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 04/10/2020] [Indexed: 12/15/2022] Open
Abstract
Idiopathic inflammatory myopathies (IIMs) are chronic autoimmune disorders involving multiple organs, such as the muscle, skin, lungs and joints. Although the detailed pathogenesis of IIMs remains unclear, immune mechanisms have long been recognised as of key importance. Immune cells contribute to many inflammatory processes via intercellular interactions and secretion of inflammatory factors, and many studies have demonstrated the participation of a variety of immune cells, such as T cells and B cells, in the development of IIMs. Here, we summarise the current knowledge regarding immune cells in IIM patients and discuss their potential roles in IIM pathogenesis.
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Affiliation(s)
- Lijuan Zhao
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Qi Wang
- Department of Radiology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China.
| | - Bin Zhou
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Lihua Zhang
- Department of Rheumatology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China.
| | - Honglin Zhu
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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17
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Nair AM, Mathew J, Goel R, Chebbi P, Mathew AJ, Arvind G, Yadav B, Rebekah G, Prakash JAJ, Danda D. Mycophenolate in idiopathic inflammatory myositis: outcome data of a large South Asian cohort. Clin Rheumatol 2021; 40:2805-2819. [PMID: 33506372 DOI: 10.1007/s10067-021-05590-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Consensus on treatment of idiopathic inflammatory myositis (IIM), particularly with regard to flares and interstitial lung disease (ILD), does not exist. We studied the long-term outcome and treatment response in our large, retrospective cohort of adult South-Asian patients exclusively with IIM. METHODOLOGY Electronic records of IIM patients satisfying inclusion and exclusion criteria were studied longitudinally at presentation, at 3, 6, 12, 18 and 24 months and thereafter yearly till their last follow up (F/u) visit. Depending on clinical, imaging, and muscle enzyme profile during the F/u period, patients were categorised as complete (CR) and partial responders (PRs). Parameters favouring CR were assessed using multivariate logistic regression analysis. Outcome parameters and flares on immunosuppressants (IS) were then assessed in patients with/without ILD. RESULTS Two hundred thirty-two patients with median F/u duration of 44.5 months (25-80.25) were included. ILD was seen in 40.1%. Patients with non-Jo1 anti-synthetase antibodies (n=26) were numerically more than those with Jo-1 antibody (n=24). CR status was attained by 50.9% patients. Absence of pericardial effusion (p=0.042, OR 4.223, 95% CI: 1.05-16.9) and presence of Gottron's rash (p=0.044, OR 1.78, 95% CI 1.017-3.121) at baseline predicted CR by multivariate regression. Majority received mycophenolate during the entire F/u period. Discontinuation of steroids was feasible in 51.7% after a median duration of 24 months (18-42). After excluding patients with ILD, flares were numerically lesser in patients only on mycophenolate compared with those only on methotrexate (p=0.06). Further flares were curtailed when switched from other agents to mycophenolate. CONCLUSION Mycophenolate is an effective treatment option in IIM patients with and without co-existing ILD. Presence of Gottron's rash and absence of pericardial effusion were found to be predictors of favourable clinical outcome in this largest single-centre study.
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Affiliation(s)
- Aswin M Nair
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - John Mathew
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - Ruchika Goel
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - Pramod Chebbi
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - Ashish Jacob Mathew
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - G Arvind
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India
| | - Bijesh Yadav
- Department of Bio-statistics, CMCH, Vellore, Tamil Nadu, 632002, India
| | - Grace Rebekah
- Department of Bio-statistics, CMCH, Vellore, Tamil Nadu, 632002, India
| | - John A J Prakash
- Department of Microbiology, CMCH, Vellore, Tamil Nadu, 632002, India
| | - Debashish Danda
- Department of Clinical Immunology and Rheumatology, Christian Medical College and Hospital (CMCH), Vellore, Tamil Nadu, 632002, India.
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Barsotti S, Cavazzana I, Zanframundo G, Neri R, Taraborelli M, Cioffi E, Cardelli C, Tripoli A, Codullo V, Tincani A, Cavagna L, Franceschini F, Mosca M. Real life picture of the use of intravenous immunoglobulins in idiopathic inflammatory myopathies: Results of a multicentric study. Autoimmun Rev 2021; 20:102757. [PMID: 33476815 DOI: 10.1016/j.autrev.2021.102757] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 11/30/2020] [Indexed: 12/26/2022]
Abstract
BACKGROUND despite the absence of specific guidelines, the treatment with intravenous immunoglobulins (IvIg) is considered effective in patients with refractory idiopathic inflammatory myopathies (IIM). The aim of our study is to evaluate the effectiveness and the safety of IvIg and define the possible profile of IIM patients candidate to IvIg treatment. METHODS we performed a retrospective study of IIM pts. treated with IvIg (2 g/kg/month). We collected demographic, epidemiological, laboratory and clinical data. Additionally, to evaluate the toxicity, the adverse events occurred during the treatment were collected. RESULTS 123 patients with IIM were included in the study. The main indications for the prescription of IvIg were muscle (83.7% of patients) and esophageal involvement (45.5% of patients). IvIg were started mainly for refractory disease. At the end of treatment (mean duration 14 months), muscular necrosis enzymes decreased significantly and dysphagia VAS decreased significantly (p < 0.001), while MMT value increased (104.6 ± 24.2 vs. 127.0 ± 22.2 p < 0.001). Ninety-six pts. (78%) responded to IvIg. They had a shorter disease duration (p < 0.001), higher creatine kinase levels (p < 0.001), and higher prevalence of myalgias at the baseline (p = 0.023) compared to non-responders. The presence of Raynaud's phenomenon (p = 0.023-odds ratio 0.28 [0.11-0.72]) and skin involvement (p = 0.004, odds ratio 0.18 [0.06-0.55]), were associated to a worse response. Adverse events were mostly mild and transitory. CONCLUSIONS Despite their high cost, IvIg confirmed their effectiveness in refractory IIM pts., particularly in muscular and esophageal manifestations. Specific clinical characteristics at the baseline may identify the patients with higher probability of response to the treatment.
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Affiliation(s)
| | - Ilaria Cavazzana
- Rheumatology and Clinical Immunology Unit, University of Brescia, ASST SpedaliCivili Brescia, Italy
| | - Giovanni Zanframundo
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | | | - Mara Taraborelli
- Internal Medicine Unit, ASST Franciacorta, Chiari Hospital, Brescia, Italy
| | - Elisa Cioffi
- Rheumatology Unit, Pisa University Hospital, Italy
| | | | | | - Veronica Codullo
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Angela Tincani
- Rheumatology and Clinical Immunology Unit, University of Brescia, ASST SpedaliCivili Brescia, Italy
| | - Lorenzo Cavagna
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Franco Franceschini
- Rheumatology and Clinical Immunology Unit, University of Brescia, ASST SpedaliCivili Brescia, Italy
| | - Marta Mosca
- Rheumatology Unit, Pisa University Hospital, Italy
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Targeted therapies in interstitial lung disease secondary to systemic autoimmune rheumatic disease. Current status and future development. Autoimmun Rev 2020; 20:102742. [PMID: 33333235 DOI: 10.1016/j.autrev.2020.102742] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 07/25/2020] [Indexed: 12/22/2022]
Abstract
Autoimmune rheumatic diseases (ARD) are characterized by systemic manifestations and multiple organ involvement, including the lung. Interstitial Lung Disease (ILD) is a cardinal manifestation of lung involvement in patients with ARD and is associated with significant morbidity and mortality. Corticosteroids and immunosuppressive drugs are used as first -line treatment. Targeted therapies, such as biological disease modifying antirheumatic drugs (DMARDS) and anti- fibrotic agents are new treatment options. In this review we discuss the role of targeted therapies in patients with ILD secondary to ARD.
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20
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Shabbir A, Camm CF, Elkington A, Tilling L, Stirrup J, Chan A, Bull S. Myopericarditis and myositis in a patient with COVID-19: a case report. Eur Heart J Case Rep 2020; 4:1-6. [PMID: 33442587 PMCID: PMC7665419 DOI: 10.1093/ehjcr/ytaa370] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/02/2020] [Accepted: 09/10/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Concurrent myopericarditis and myositis can present in patients with pre-existing systemic inflammatory diseases. Here we present a case of myopericarditis and myositis associated with COVID-19, in the absence of respiratory symptoms. CASE SUMMARY We present a middle-aged female with a history of hypertension and previous myopericarditis. The patient was admitted with symptoms of central chest pain, and ECG and echocardiographic features of myopericarditis. Her symptoms did not improve, and CT thorax suggested possible SARS-CoV-2 infection for which she tested positive, despite no respiratory symptoms. Whilst on the ward, she developed bilateral leg weakness and a raised creatine kinase (CK), and magnetic resonance imaging (MRI) of her thighs confirmed myositis. A cardiac MRI confirmed myopericarditis. She was treated with colchicine 500 μg twice daily, ibuprofen 400 mg three times day, and prednisolone 30 mg per day, and her symptoms and weakness improved. DISCUSSION We describe the first reported case of concurrent myopericarditis, and myositis associated with COVID-19. Conventional therapy with colchicine, non-steroidal anti-inflammatory drugs, and glucocorticoids improved her symptoms, and reduced biochemical markers of myocardial and skeletal muscle inflammation.
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Affiliation(s)
- Asad Shabbir
- The Royal Berkshire Hospital, London Road, Reading RG1 5AN, UK
| | | | | | - Lindsey Tilling
- The Royal Berkshire Hospital, London Road, Reading RG1 5AN, UK
| | - James Stirrup
- The Royal Berkshire Hospital, London Road, Reading RG1 5AN, UK
| | - Antoni Chan
- The Royal Berkshire Hospital, London Road, Reading RG1 5AN, UK
| | - Sacha Bull
- The Royal Berkshire Hospital, London Road, Reading RG1 5AN, UK
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Chavez-Alvarez S, Herz-Ruelas M, Villarreal-Martinez A, Ocampo-Candiani J, Garza-Garza R, Gomez-Flores M. Azathioprine: its uses in dermatology. An Bras Dermatol 2020; 95:731-736. [PMID: 33250113 PMCID: PMC7672387 DOI: 10.1016/j.abd.2020.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 05/19/2020] [Indexed: 01/19/2023] Open
Abstract
This is a narrative review of azathioprine. This medication is immunomodulatory and immunosuppressive, and it has been used widely through different medical specialties to modify disease. It has been proven useful for several dermatoses and it has encountered success when used as an off-label indication for other dermatologic diseases. Its mechanism of action is described thoroughly, as well as precautions for monitoring adequate levels in patients using it. Dermatologists should also be aware of the possible adverse events it may present. In dermatology it can be used in bullous and autoimmune diseases, and in other conditions, including intractable pruritus, atopic dermatitis, photodermatoses, psoriasis, and others. Azathioprine offers an alternative as a steroid-sparing agent and this review helps dermatologists prescribe it safely to all patients who require it.
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Affiliation(s)
- Sonia Chavez-Alvarez
- Department of Dermatology, University Hospital "Dr. José Eleuterio González", Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Maira Herz-Ruelas
- Department of Dermatology, University Hospital "Dr. José Eleuterio González", Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Alejandra Villarreal-Martinez
- Department of Dermatology, University Hospital "Dr. José Eleuterio González", Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Jorge Ocampo-Candiani
- Department of Dermatology, University Hospital "Dr. José Eleuterio González", Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | | | - Minerva Gomez-Flores
- Department of Dermatology, University Hospital "Dr. José Eleuterio González", Universidad Autónoma de Nuevo León, Nuevo León, Mexico.
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Efficacy and Safety of High-Dose Immunoglobulin-Based Regimen in Statin-Associated Autoimmune Myopathy: A Multi-Center and Multi-Disciplinary Retrospective Study. J Clin Med 2020; 9:jcm9113454. [PMID: 33121112 PMCID: PMC7692610 DOI: 10.3390/jcm9113454] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/21/2020] [Accepted: 10/26/2020] [Indexed: 12/19/2022] Open
Abstract
Statin-associated autoimmune myopathy is a rare muscle disorder, characterized by autoantibodies against HMGCR. The anti-HMGCR myopathy persists after statin, and often requires immunosuppressive therapy. However, there is not a standardized therapeutic approach. The purpose of this study is to report the effectiveness of the immunosuppressive treatment employed in a multi-center and multi-disciplinary cohort of patients affected by anti-HMGCR myopathy, in which an immunoglobulin (IVIG)-based treatment strategy was applied. We collected 16 consecutive patients with a diagnosis of anti-HMGCR myopathy, between 2012 and 2019, and recorded data on clinical and laboratory presentation (i.e., muscle strength, serum CK levels, and anti-HMGCR antibody titer) and treatment strategies. Our results highlight the safety and efficacy of an induction therapy combining IVIG with GCs and/or methotrexate to achieve persistent remission of the disease and steroid-free maintenance. Under IVIG-based regimens, clinical improvement and CK normalization occurred in more than two thirds of patients by six months. Relapse rate was low (3/16) and 2/3 relapses occurred after treatment suspension. Nearly 90% of the patients who successfully discontinued GCs were treated with a triple immunosuppressive regimen. In conclusion, an IVIG-based regimen, which particularly includes high-dose immunoglobulin, GCs and methotrexate, can provide a fast remission achievement with GC saving.
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Peshbahar S, Bendstrup E. Remarkable benefits of intravenous immunoglobulin (IVIG) in a patient with polymyositis-associated acute interstitial lung disease. Eur Clin Respir J 2020; 7:1840706. [PMID: 33224454 PMCID: PMC7594835 DOI: 10.1080/20018525.2020.1840706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Polymyositis (PM) and dermatomyositis (DM) are subtypes of autoimmune inflammatory myopathies. Interstitial lung disease (ILD) involvement is common in PM/DM. There is no evidence base for immunosuppression in DM/PM-ILD and current evidence is based on case stories and expert opinions. We present a 63-year-old male with severe respiratory failure due to PM-ILD who was treated successfully with intravenous immunoglobulin, recovered the acute phase and survived more than 4 years.
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Affiliation(s)
- Soran Peshbahar
- Diagnostic Centre, Silkeborg Regional Hospital, Silkeborg, Denmark
| | - Elisabeth Bendstrup
- Department of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus N, Denmark
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Abstract
PURPOSE OF REVIEW Lung involvement is a distinctive feature of antisynthetase syndrome (ASS) and it is considered a basic disease-classifying criterion. In this review, we go over clinical features, radiological patterns, prognostic factors, pathogenesis and treatment of lung involvement in ASS patients, focusing on the clinical differences linked to the different antibody specificities known so far. RECENT FINDINGS The lung is the most common extramuscular organ involved in ASS and has the greatest impact on patient prognosis. The pulmonary disease-defining manifestation in ASS is interstitial lung disease (ILD), yet a proportion of patients also develop pulmonary arterial hypertension and, less frequently, obstructive bronchiolitis or acute respiratory failure according to drivers not yet fully understood but likely associated with the underlying autoantibody pattern. Clinical presentation of pulmonary involvement can range from milder forms to a rapidly progressive disease which may lead to chronic lung damage if misdiagnosed and not properly treated. SUMMARY The knowledge of risk factors associated with progressive or refractory lung damage is important to identify and properly treat patients with the poorest prognosis. For those with a disease not responsive to conventional therapy the efficacy of other therapeutic option is under evaluation.
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25
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Meyer A, Troyanov Y, Drouin J, Oligny-Longpré G, Landon-Cardinal O, Hoa S, Hervier B, Bourré-Tessier J, Mansour AM, Hussein S, Morin V, Rich E, Goulet JR, Chartrand S, Hudson M, Nehme J, Makhzoum JP, Zarka F, Villeneuve E, Raynauld JP, Landry M, O'Ferrall EK, Ferreira J, Ellezam B, Karamchandani J, Larue S, Massie R, Isabelle C, Deschênes I, Leclair V, Couture H, Targoff IN, Fritzler MJ, Senécal JL. Statin-induced anti-HMGCR myopathy: successful therapeutic strategies for corticosteroid-free remission in 55 patients. Arthritis Res Ther 2020; 22:5. [PMID: 31915059 PMCID: PMC6950801 DOI: 10.1186/s13075-019-2093-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/23/2019] [Indexed: 01/21/2023] Open
Abstract
Objective To describe successful therapeutic strategies in statin-induced anti-HMGCR myopathy. Methods Retrospective data from a cohort of 55 patients with statin-induced anti-HMGCR myopathy, sequentially stratified by the presence of proximal weakness, early remission, and corticosteroid and IVIG use at treatment induction, were analyzed for optimal successful induction and maintenance of remission strategies. Results A total of 14 patients achieved remission with a corticosteroid-free induction strategy (25%). In 41 patients treated with corticosteroids, only 4 patients (10%) failed an initial triple steroid/IVIG/steroid-sparing immunosuppressant (SSI) induction strategy. Delay in treatment initiation was independently associated with lower odds of successful maintenance with immunosuppressant monotherapy (OR 0.92, 95% CI 0.85 to 0.97, P = 0.015). While 22 patients (40%) presented with normal strength, only 9 had normal strength at initiation of treatment. Conclusion While corticosteroid-free treatment of anti-HMGCR myopathy is now a safe option in selected cases, initial triple steroid/IVIG/SSI was very efficacious in induction. Delays in treatment initiation and, as a corollary, delays in achieving remission decrease the odds of achieving successful maintenance with an SSI alone. Avoiding such delays, most notably in patients with normal strength, may reset the natural history of anti-HMGCR myopathy from a refractory entity to a treatable disease.
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Affiliation(s)
- Alain Meyer
- Faculté de médecine, Université de Strasbourg, Service de rhumatologie et Centre de références des maladies autoimmunes rares, Hôpitaux universitaires de Strasbourg, Strasbourg, France
| | - Yves Troyanov
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Julie Drouin
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre hospitalier affilié universitaire régional de Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Geneviève Oligny-Longpré
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada
| | - Océane Landon-Cardinal
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada.,CHUM Research Center, Montréal, Québec, Canada
| | - Sabrina Hoa
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada.,CHUM Research Center, Montréal, Québec, Canada
| | - Baptiste Hervier
- Service de médecine interne et immunologie clinique, Hôpital Pitié-Salpêtrière, Assistance publique Hôpitaux de Paris, Paris, France
| | - Josiane Bourré-Tessier
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada.,CHUM Research Center, Montréal, Québec, Canada
| | - Anne-Marie Mansour
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Internal Medicine, Hôpital du Sacré-Coeur, Montréal, Québec, Canada
| | - Sara Hussein
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada
| | - Vincent Morin
- Faculty of Pharmacy, Laval University, Québec City, Québec, Canada
| | - Eric Rich
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada.,CHUM Research Center, Montréal, Québec, Canada
| | - Jean-Richard Goulet
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada
| | - Sandra Chartrand
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Hôpital Maisonneuve-Rosemont, Montréal, Québec, Canada
| | - Marie Hudson
- Department of Medicine, McGill University, Montreal, Canada.,Division of Rheumatology, Jewish General Hospital, Montreal, Canada.,Lady Davis Institute, Jewish General Hospital, Montreal, Canada
| | - Jessica Nehme
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Internal Medicine, Hôpital du Sacré-Coeur, Montréal, Québec, Canada
| | - Jean-Paul Makhzoum
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Internal Medicine, Hôpital du Sacré-Coeur, Montréal, Québec, Canada
| | - Farah Zarka
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Internal Medicine, Hôpital du Sacré-Coeur, Montréal, Québec, Canada
| | - Edith Villeneuve
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada
| | - Jean-Pierre Raynauld
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada
| | - Marianne Landry
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada.,Division of Internal Medicine, Hôpital du Sacré-Coeur, Montréal, Québec, Canada
| | - Erin K O'Ferrall
- Department of Neurology, McGill University, Montreal, Canada.,Montreal Neurological Institute and Hospital, Montreal, Canada.,Department of Pathology, McGill University, Montreal Neurological Institute and Hospital, Montreal, Québec, Canada
| | - Jose Ferreira
- Department of Pathology and Cell Biology, Faculty of Medicine, University of Montreal, Montreal, Canada.,Department of Pathology, Hôpital Maisonneuve-Rosemont, Montreal, Canada
| | - Benjamin Ellezam
- Department of Pathology and Cell Biology, Faculty of Medicine, University of Montreal, Montreal, Canada.,Department of Pathology, Hôpital Sainte-Justine, Montreal, Canada
| | - Jason Karamchandani
- Montreal Neurological Institute and Hospital, Montreal, Canada.,Department of Pathology, McGill University, Montreal Neurological Institute and Hospital, Montreal, Québec, Canada
| | - Sandrine Larue
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada.,Division of Neurology, Hôpital Charles-Lemoyne, Longueuil, Canada
| | - Rami Massie
- Department of Neurology, McGill University, Montreal, Canada.,Montreal Neurological Institute and Hospital, Montreal, Canada
| | - Catherine Isabelle
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada.,Division of Rheumatology, Hôpital Charles-Lemoyne, Longueuil, Québec, Canada
| | - Isabelle Deschênes
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada.,Hôpital du Haut-Richelieu, Saint-Jean-sur-Richelieu, Québec, Canada
| | - Valérie Leclair
- Department of Medicine, McGill University, Montreal, Canada.,Division of Rheumatology, Jewish General Hospital, Montreal, Canada
| | - Hélène Couture
- Departement of Medicine, Laval University, Québec City, Canada.,Centre Hospitalier Universitaire de Québec, Québec City, Québec, Canada
| | - Ira N Targoff
- Veterans Affairs Medical Center, University of Oklahoma Health Sciences Center, Oklahoma City, USA.,Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Marvin J Fritzler
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jean-Luc Senécal
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Québec, Canada. .,Division of Rheumatology, Centre Hospitalier de l'Université de Montréal (CHUM), 264, Boulevard René-Lévesque Est, Montréal, Québec, H2X 1P1, Canada. .,CHUM Research Center, Montréal, Québec, Canada.
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Daher A, Matsuoka CK, Loghin ME, Penas-Prado M, Tummala S. Neuromuscular Weakness Syndromes from Immune Checkpoint Inhibitors: A Case Series and Literature Review. ACTA ACUST UNITED AC 2019. [DOI: 10.4103/jipo.jipo_3_19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Abstract
Immune checkpoint inhibitors (CPIs) (anti-cytotoxic T-lymphocyte antigen-4, anti-programmed death 1, and anti-programmed death-ligand 1) have transformed the landscape of cancer therapy. However, their increasing use has unleashed immune-related adverse events in various organs, among which neurologic ones, while rare, are increasingly being recognized and remain incompletely characterized. Herein, we report five patients with nonmelanoma cancers who developed weakness after receiving CPIs. The etiology was attributed to radiculoneuritis (one patient), myositis (one patient), Miller Fisher/myasthenia gravis (MG) (one patient), neuropathy/myositis/MG (one patient), and myositis/MG (one patient). Weakness developed after a median of two doses (range: 1–3) and 4 weeks (range: 3–10) from initiation of therapy. Two patients had severe manifestations without improvement while the other three experienced partial improvement despite discontinuation of the CPI (s) and initiation of immunosuppressive therapy. A review of literature identified 62 similar cases. This report highlights the challenges in the diagnosis and management of neurologic adverse events related to the use of CPIs. It also addresses the crucial need for early recognition, proper workup, and better biomarkers to help improve the outcomes of these adverse events.
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Affiliation(s)
- Ahmad Daher
- Department of Neuro-Oncology, Hartford Health Care Medical Group, Hartford Hospital, Hartford, CT
| | - Carlos Kamiya Matsuoka
- Department of Neuro-Oncology, Hartford Health Care Medical Group, Hartford Hospital, Hartford, CT
- Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Monica Elena Loghin
- Department of Neuro-Oncology, Hartford Health Care Medical Group, Hartford Hospital, Hartford, CT
- Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Marta Penas-Prado
- Department of Neuro-Oncology, Hartford Health Care Medical Group, Hartford Hospital, Hartford, CT
- Department of Neuro-Oncology Branch, National Cancer Institute, Bethesda, MD, USA
| | - Sudhakar Tummala
- Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
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27
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Long-term treatment with human immunoglobulin for antisynthetase syndrome-associated interstitial lung disease. Respir Med 2019; 154:6-11. [PMID: 31176796 DOI: 10.1016/j.rmed.2019.05.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/26/2019] [Accepted: 05/19/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Interstitial lung disease-associated antisynthetase syndrome (AS-ILD) carries significant morbidity and mortality. Corticosteroids and immunosuppressive drugs are the mainstay of treatment. Human immunoglobulin (IVIg), an immunomodulator without immunosuppressive properties, is effective in myositis but the evidence supporting its use in ILD is scarce. OBJECTIVE To describe clinical outcomes of AS-ILD patients receiving IVIg. METHODS Retrospective analysis of AS-ILD patients. Linear mixed models using restricted maximum likelihood estimation was used to estimate the change in lung function and corticosteroid dose over time. RESULTS Data from 17 patients was analyzed. Median follow-up was 24.6 months. Fourteen patients had refractory disease. The mean percent-predicted forced vital capacity (FVC%) (p = 0.048) and percent-predicted diffusing capacity of the lung for carbon monoxide (DLCO%) (p = 0.0223) increased over time, while the mean prednisone dose (p < 0.001) decreased over time. Seven patients achieved a >10% increase in FVC%, including two who used IVIg as initial treatment. Five patients showed a >10% increase in DLCO% and TLC%. Nine (53%) patients experienced side effects. CONCLUSIONS IVIg may be a useful complementary therapy in active progressive AS-ILD but is associated with potential side effects. Fssssurther investigation is required to determine the value of IVIg as an initial treatment in AS-ILD.
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28
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Yoon CH, Park JW, Ryu JS, Kim MK, Oh JY. Corneal Toxicity of Topical Tacrolimus Ointment in Mice with Corneal Epithelial Injury. J Ocul Pharmacol Ther 2018; 34:685-691. [PMID: 30222497 DOI: 10.1089/jop.2018.0054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Purpose: To investigate the effect of tacrolimus ointment on corneal epithelium. Methods: Eight-week-old male BALB/c mice were divided into 3 groups. In group 1, no injury was made. In group 2, the central 2-mm corneal epithelium was scraped off. In group 3, the whole corneal and limbal epithelium was removed after absolute ethanol application. In each group, the corneas were observed and treated daily with 0.03% or 0.1% tacrolimus ointment (Protopic®). The viability of cultivated human corneal epithelial cells was also examined after 24-h incubation with various concentrations of tacrolimus. Results: Tacrolimus ointment significantly delayed the epithelial healing in corneas with epithelial injuries (groups 2 and 3) in dose- and frequency-dependent manners, whereas it did not have any effects on uninjured corneas (group 1). The proportion of terminal deoxynucleotidyl transferase-mediated nick end labeling-positive cells and mRNA levels of inflammatory cytokines were higher in tacrolimus-treated corneas, compared with controls. Tacrolimus did not directly reduce the viability of corneal epithelial cells in culture. Conclusions: Topical application of tacrolimus ointment onto the ocular surface induced toxicity in the cornea with epithelial defects through the impairment of epithelial healing and induction of apoptosis.
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Affiliation(s)
- Chang Ho Yoon
- Department of Ophthalmology, Seoul National University Hospital, Seoul, Korea
- Laboratory of Ocular Regenerative Medicine and Immunology, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Jong Woo Park
- Laboratory of Ocular Regenerative Medicine and Immunology, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Jin Suk Ryu
- Laboratory of Ocular Regenerative Medicine and Immunology, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Mee Kum Kim
- Department of Ophthalmology, Seoul National University Hospital, Seoul, Korea
- Laboratory of Ocular Regenerative Medicine and Immunology, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Joo Youn Oh
- Department of Ophthalmology, Seoul National University Hospital, Seoul, Korea
- Laboratory of Ocular Regenerative Medicine and Immunology, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
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Abstract
PURPOSE OF REVIEW The purpose of this review was to give an update on treatment modalities for patients with idiopathic inflammatory myopathies, or shortly myositis, excluding the subgroup inclusion body myositis, based on a literature survey on therapies used in myositis. Few controlled trials have been performed in patients with myositis; therefore, we also included a summary of open-label trials, case series, and case reports. RECENT FINDINGS Glucocorticoid (GC) in high doses is still the first-line treatment of patients with myositis. There is a general recommendation to combine GCs with another immunosuppressive agent in the early phase of disease to better control disease activity and possibly to reduce the risk for GC-related side effects. Furthermore, combining pharmacological treatment with individualized and supervised exercise can be recommended based on evidence. There is some evidence for the effect of rituximab in patients with certain myositis-specific autoantibodies, whereas other biologic agents are currently being tested in clinical trials. SUMMARY Immunosuppressive treatment in combination with exercise is recommended for patients with myositis to reduce disease activity and improve muscle performance. Subgrouping of patients into clinical and serological subtypes may be a way to identify biomarkers for response to specific immunosuppressive and biological agents and should be considered in future trials.
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Affiliation(s)
- Simone Barsotti
- Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
- Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Ingrid E. Lundberg
- Division of Rheumatology, Department of Medicine, Karolinska Institutet and Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden
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Bae S, Charles-Schoeman C. Oral cyclophosphamide in treatment of patients with refractory idiopathic inflammatory myopathies: a retrospective observational study. Clin Rheumatol 2018; 37:2113-2123. [PMID: 29971584 DOI: 10.1007/s10067-018-4174-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 06/02/2018] [Accepted: 06/04/2018] [Indexed: 01/19/2023]
Abstract
To describe the use of oral cyclophosphamide (PO CYC) in a single center longitudinal cohort of patients with idiopathic inflammatory myopathies (IIM). Patients using PO CYC were identified through a retrospective chart review of a myositis cohort at a single academic center. PO CYC dose, duration, adverse events, and disease activity measures before and after CYC were analyzed. Disease activity measures included muscle enzymes, manual muscle testing (MMT8), 100-mm visual analog scale (VAS), and 1-4 Likert scale for physician global assessment. Fourteen patients were treated with PO CYC within the cohort between 2008 and 2017; 9 dermatomyositis (DM), 3 polymyositis (PM), and 2 with immune-mediated necrotizing myopathy (IMNM). Age was 51.1 (40-72) years and the cumulative dose of PO CYC was 41 (2-131) grams over duration of 12.4 (0.5-43) months, mean (range) for all. All patients had severe refractory IIM, 10 (72%) with ILD, 3 (21%) with cardiac involvement and 4 (29%) were dependent in most activities of daily living. Median number of prior failed therapies was 4.5 (range 3-6) including intravenous CYC in 5 patients. Disease activity measures significantly improved following CYC use and concomitant daily prednisone dose decreased. The most common adverse events during CYC therapy were infections. We report the first cohort study of PO CYC use in IIM patients with severe, treatment refractory disease. Further trials are needed to verify these results as well as to evaluate long-term safety outcomes.
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Affiliation(s)
- Sangmee Bae
- Division of Rheumatology, University of California Los Angeles, Los Angeles, CA, USA.
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31
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Lung Involvements in Rheumatic Diseases: Update on the Epidemiology, Pathogenesis, Clinical Features, and Treatment. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6930297. [PMID: 29854780 PMCID: PMC5964428 DOI: 10.1155/2018/6930297] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 03/27/2018] [Indexed: 01/25/2023]
Abstract
Lung illness encountered in patients with rheumatic diseases bears clinical significance in terms of increased morbidity and mortality as well as potential challenges placed on patient care. Although our understanding of natural history of this important illness is still limited, epidemiologic knowledge has been accumulated during the past decade to provide useful information on the risk factors and prognosis of lung involvements in rheumatic diseases. Moreover, the pathogenesis particularly in the context of genetics has been greatly updated for both the underlying rheumatic disease and associated lung involvement. This review will focus on the current update on the epidemiologic and genetics features and treatment options of the lung involvements associated with four major rheumatic diseases (rheumatoid arthritis, systemic sclerosis, myositis, and systemic lupus erythematosus), with more attention to a specific form of involvement or interstitial lung disease.
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32
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Treatment of adult idiopathic inflammatory myopathies with conventional immunosuppressive drugs. Z Rheumatol 2018; 78:183-189. [DOI: 10.1007/s00393-018-0471-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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33
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Gallay L, Hot A, Petiot P, Thivolet-Bejui F, Maucort-Boulch D, Streichenberger N. Focal myositis: New insights on diagnosis and pathology. Neurology 2018; 90:e1013-e1020. [PMID: 29467303 DOI: 10.1212/wnl.0000000000005160] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 12/20/2017] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE To better define in a cohort study the clinical and pathologic features of focal myositis (FM). METHODS With the use of the usual clinicopathologic definition, each confirmed case of FM in the Lyon University Hospital's myopathologic database between 2000 and 2016 was retrieved. Clinical, pathologic, imaging, serologic, and therapeutic data were collected. When data were missing but feasible, appropriate pathologic analyses were performed. RESULTS Of the 924 patients included in the database, 37 (4%) had confirmed FM (14 female, 23 male patients). The main symptoms were pain (n = 30, 81%), muscular mass (n = 16, 43%), erythema at the site of FM (n = 12, 32%), and fever (n = 9, 24%). Serum creatine kinase was normal in most patients (81%); serum immune abnormalities were frequent (inflammatory syndrome in sera [39%], dysglobulinemia [52%], and anti-nuclear antibody positivity [29%]). In addition to confirming previously reported findings, pathologic analyses found significant rates of vasculitis (68%) and fasciitis (73%). Here, FM appeared frequently to be associated with other diseases such as immune-mediated inflammatory disease (IMID; 32%), neoplasia (24%), and radiculopathy (11%). Regarding outcomes, 64% of the cases had received immunosuppressive drugs, and the relapse rate was 41%. CONCLUSION The present study suggests that FM is not as innocuous as previously believed, particularly considering the associated disorders. Notably, patients with FM should receive careful IMID and neoplasia screening.
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Affiliation(s)
- Laure Gallay
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France.
| | - Arnaud Hot
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France
| | - Philippe Petiot
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France
| | - Françoise Thivolet-Bejui
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France
| | - Delphine Maucort-Boulch
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France
| | - Nathalie Streichenberger
- From the Department of Internal Medicine (L.G., A.H.), Edouard Herriot University Hospital, Hospices Civils de Lyon; University Claude Bernard (L.G., A.H., F.T.-B., N.S.); INMG (L.G.), CNRS UMR 5310-INSERM U1217; Department of Neurology (P.P.), Croix-Rousse Hospital, Hospices Civils de Lyon; Department of Pathology, Neurology and Neurosurgery (F.T.-B., N.S.), Pierre Wertheimer University Hospital, Hospices Civils de Lyon; Service de Biostatistique (D.M.-B.), Hospices Civils de Lyon; Université de Lyon (D.M.-B.); Université Lyon 1 (D.M.-B.); and CNRS UMR5558 (D.M.-B.), Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France
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Uruha A, Suzuki S, Nishino I. Diagnosis of dermatomyositis: Autoantibody profile and muscle pathology. ACTA ACUST UNITED AC 2017. [DOI: 10.1111/cen3.12419] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Akinori Uruha
- Pierre and Marie Curie University - Paris VI; National Institute of Health and Medical Research (INSERM); Mixed Research Unit 974; Center of Research in Myology; Institute of Myology; Pitié-Salpêtrière University Hospital; Paris France
| | - Shigeaki Suzuki
- Department of Neurology; Keio University School of Medicine; Tokyo Japan
| | - Ichizo Nishino
- Department of Neuromuscular Research; National Institute of Neuroscience; Tokyo Japan
- Department of Genome Medicine Development; Medical Genome Center; National Center of Neurology and Psychiatry; Tokyo Japan
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Mandel DE, Malemud CJ, Askari AD. Idiopathic Inflammatory Myopathies: A Review of the Classification and Impact of Pathogenesis. Int J Mol Sci 2017; 18:ijms18051084. [PMID: 28524083 PMCID: PMC5454993 DOI: 10.3390/ijms18051084] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 05/02/2017] [Accepted: 05/09/2017] [Indexed: 12/13/2022] Open
Abstract
Idiopathic inflammatory myopathies (IIMs) are a group of autoimmune muscle diseases with significant morbidity and mortality. This review details and updates the pathogenesis and emerging importance of myositis-specific antibodies in the development of IIMs. An increase in the understanding of how these myositis-specific antibodies play a role in IIMs has led to the further categorization of IIMs from the traditional polymyositis versus dermatomyositis, to additional subcategories of IIMs such as necrotizing autoimmune myositis (NAM). The diagnosis of IIMs, including manual muscle testing, laboratory studies, and non-invasive imaging have become important in classifying IIM subtypes and for identifying disease severity. Treatment has evolved from an era where glucocorticoid therapy was the only option to a time now that includes traditional steroid-sparing agents along with immunoglobulin therapy and biologics, such as rituximab.
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Affiliation(s)
- Dana E. Mandel
- Correspondence: ; Tel.: +1-216-844-2289; Fax: +1-216-844-2288
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Koyama RVL, Braga TKK, da Silva Dias GA, Fujihara S, Fuzii HT, Yoshikawa GT. Hypomyopathic dermatomyositis associated with interstitial lung disease and good response to mycophenolate mofetil: case-based review. Clin Rheumatol 2017; 36:1919-1926. [DOI: 10.1007/s10067-017-3671-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 04/23/2017] [Accepted: 04/26/2017] [Indexed: 01/05/2023]
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Affiliation(s)
- I E Lundberg
- Rheumatology Unit, Department of Medicine, Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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