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Petelytska L, Bonomi F, Cannistrà C, Fiorentini E, Peretti S, Torracchi S, Bernardini P, Coccia C, De Luca R, Economou A, Levani J, Matucci-Cerinic M, Distler O, Bruni C. Heterogeneity of determining disease severity, clinical course and outcomes in systemic sclerosis-associated interstitial lung disease: a systematic literature review. RMD Open 2023; 9:e003426. [PMID: 37940340 PMCID: PMC10632935 DOI: 10.1136/rmdopen-2023-003426] [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: 06/23/2023] [Accepted: 10/02/2023] [Indexed: 11/10/2023] Open
Abstract
Objective The course of systemic sclerosis-associated interstitial lung disease (SSc-ILD) is highly variable and different from continuously progressive idiopathic pulmonary fibrosis (IPF). Most proposed definitions of progressive pulmonary fibrosis or SSc-ILD severity are based on the research data from patients with IPF and are not validated for patients with SSc-ILD. Our study aimed to gather the current evidence for severity, progression and outcomes of SSc-ILD.Methods A systematic literature review to search for definitions of severity, progression and outcomes recorded for SSc-ILD was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines in Medline, Embase, Web of Science and Cochrane Library up to 1 August 2023.Results A total of 9054 papers were reviewed and 342 were finally included. The most frequent tools used for the definition of SSc-ILD progression and severity were combined changes of carbon monoxide diffusing capacity (DLCO) and forced vital capacity (FVC), isolated FVC or DLCO changes, high-resolution CT (HRCT) extension and composite algorithms including pulmonary function test, clinical signs and HRCT data. Mortality was the most frequently reported long-term event, both from all causes or ILD related.Conclusions The studies presenting definitions of SSc-ILD 'progression', 'severity' and 'outcome' show a large heterogeneity. These results emphasise the need for developing a standardised, consensus definition of severe SSc-ILD, to link a disease specific definition of progression as a surrogate outcome for clinical trials and clinical practice.PROSPERO registration number CRD42022379254.Cite Now.
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Affiliation(s)
- Liubov Petelytska
- Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department Internal Medicine #3, Bogomolets National Medical University, Kiiv, Ukraine
| | - Francesco Bonomi
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Carlo Cannistrà
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Elisa Fiorentini
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Silvia Peretti
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Sara Torracchi
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Pamela Bernardini
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Carmela Coccia
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Riccardo De Luca
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Alessio Economou
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Juela Levani
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
| | - Marco Matucci-Cerinic
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases, San Raffaele Hospital, Milan, Italy
| | - Oliver Distler
- Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Cosimo Bruni
- Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department of Experimental and Clinical Medicine, Division of Rheumatology, University of Florence - Careggi University Hospital, Florence, Italy
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Hoa S, Bernatsky S, Steele RJ, Baron M, Hudson M. Association between immunosuppressive therapy and course of mild interstitial lung disease in systemic sclerosis. Rheumatology (Oxford) 2020; 59:1108-1117. [PMID: 31535689 DOI: 10.1093/rheumatology/kez407] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 07/19/2019] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE Interstitial lung disease (ILD) is a leading cause of mortality in SSc. Little is known about the benefits of immunosuppressive drugs in mild ILD. Our aim was to determine whether use of CYC or MMF was associated with an improved ILD course in patients with normal or mildly impaired lung function. METHODS A retrospective cohort of SSc subjects with ILD, disease duration below seven years and no exposure to CYC or MMF prior to the baseline visit was constructed from the Canadian Scleroderma Research Group registry. Subjects were categorized as having mild ILD if baseline forced vital capacity (FVC % predicted) was >85%. The primary exposure was any use of CYC or MMF at the baseline visit. FVC at one year was compared between exposed and unexposed subjects, using multivariate linear regression. RESULTS Out of 294 eligible SSc-ILD subjects, 116 met criteria for mild ILD. In this subgroup, mean (s.d.) disease duration was 3.7 (2.0) years. Thirteen (11.2%) subjects were exposed to CYC or MMF at baseline. The one-year FVC was higher in exposed subjects compared with unexposed subjects, by a difference of 8.49% (95% CI: 0.01-16.98%). None of the exposed subjects experienced clinically meaningful progression over two years, whereas 24.6% of unexposed subjects did. CONCLUSION In this real-world setting, CYC/MMF exposure at baseline was associated with higher FVC values and a lower risk of progression among subjects with mild ILD. These data suggest a window of opportunity to preserve lung function in SSc-ILD.
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Affiliation(s)
- Sabrina Hoa
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University.,Lady Davis Institute, Jewish General Hospital
| | - Sasha Bernatsky
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University.,Department of Medicine, McGill University.,Research Institute of the McGill University Health Centre
| | - Russell J Steele
- Lady Davis Institute, Jewish General Hospital.,Department of Mathematics and Statistics, McGill University
| | - Murray Baron
- Lady Davis Institute, Jewish General Hospital.,Department of Medicine, McGill University.,Division of Rheumatology, Jewish General Hospital, Montreal, Quebec, Canada
| | - Marie Hudson
- Lady Davis Institute, Jewish General Hospital.,Department of Medicine, McGill University.,Division of Rheumatology, Jewish General Hospital, Montreal, Quebec, Canada
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Caron M, Hoa S, Hudson M, Schwartzman K, Steele R. Pulmonary function tests as outcomes for systemic sclerosis interstitial lung disease. Eur Respir Rev 2018; 27:170102. [PMID: 29769294 PMCID: PMC9488607 DOI: 10.1183/16000617.0102-2017] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 02/24/2018] [Indexed: 01/17/2023] Open
Abstract
Interstitial lung disease (ILD) is the leading cause of morbidity and mortality in systemic sclerosis (SSc). We performed a systematic review to characterise the use and validation of pulmonary function tests (PFTs) as surrogate markers for systemic sclerosis-associated interstitial lung disease (SSc-ILD) progression.Five electronic databases were searched to identify all relevant studies. Included studies either used at least one PFT measure as a longitudinal outcome for SSc-ILD progression (i.e. outcome studies) and/or reported at least one classical measure of validity for the PFTs in SSc-ILD (i.e. validation studies).This systematic review included 169 outcome studies and 50 validation studies. Diffusing capacity of the lung for carbon monoxide (DLCO) was cumulatively the most commonly used outcome until 2010 when it was surpassed by forced vital capacity (FVC). FVC (% predicted) was the primary endpoint in 70.4% of studies, compared to 11.3% for % predicted DLCO Only five studies specifically aimed to validate the PFTs: two concluded that DLCO was the best measure of SSc-ILD extent, while the others did not favour any PFT. These studies also showed respectable validity measures for total lung capacity (TLC).Despite the current preference for FVC, available evidence suggests that DLCO and TLC should not yet be discounted as potential surrogate markers for SSc-ILD progression.
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Affiliation(s)
- Melissa Caron
- Dept of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada
- Respiratory Epidemiology and Clinical Research Unit (RECRU), Montreal Chest Institute, McGill University Health Centre, Montreal, QC, Canada
| | - Sabrina Hoa
- Dept of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada
- Division of Rheumatology, Jewish General Hospital, Montreal, QC, Canada
| | - Marie Hudson
- Division of Rheumatology, Jewish General Hospital, Montreal, QC, Canada
| | - Kevin Schwartzman
- Dept of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada
- Respiratory Epidemiology and Clinical Research Unit (RECRU), Montreal Chest Institute, McGill University Health Centre, Montreal, QC, Canada
| | - Russell Steele
- Dept of Mathematics and Statistics, McGill University, Montreal, QC, Canada
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Fuschiotti P. Current perspectives on the immunopathogenesis of systemic sclerosis. Immunotargets Ther 2016; 5:21-35. [PMID: 27529059 PMCID: PMC4970639 DOI: 10.2147/itt.s82037] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Systemic sclerosis (SSc or scleroderma) is a progressive and highly debilitating autoimmune disorder characterized by inflammation, vasculopathy, and extensive fibrosis. SSc is highly heterogeneous in its clinical presentation, extent and severity of skin and internal organ involvement, and clinical course and has the highest fatality rate among connective tissue diseases. While clinical outcomes have improved in recent years, no current therapy is able to reverse or slow the natural progression of SSc, a reflection of its complex pathogenesis. Although activation of the immune system has long been recognized, the mechanisms responsible for the initiation of autoimmunity and the role of immune effector pathways in the pathogenesis of SSc remain incompletely understood. This review summarizes recent progress in disease pathogenesis with particular focus on the immunopathogenetic mechanisms of SSc.
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Affiliation(s)
- Patrizia Fuschiotti
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Abstract
PURPOSE OF REVIEW To review pharmacologic and nonpharmacologic therapies in the treatment of systemic sclerosis (SSc) from 2011 to 2014 through a systematic review. RECENT FINDINGS Our systematic review identifies randomized controlled trials, meta-analyses, systematic reviews, case series, and observational studies which support organ-based therapy with known immunosuppressive agents, novel agents, and hematopoietic stem cell transplantation, and also includes nonpharmacologic therapies improving visceral and physical function. SUMMARY SSc is an orphan autoimmune disorder with significant morbidity and mortality. Although there has been significant progress over the years in therapeutic options for SSc, the mainstays of treatment are organ-based and primarily symptom management. Our systematic review of the last 4 years of treatment emphasizes known treatment strategies already in practice, but also identifies new therapeutic approaches with additional biologic agents and hematopoietic stem cell transplantation.
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Gómez Carrera L, Bonilla Hernan G. Pulmonary manifestations of collagen diseases. Arch Bronconeumol 2013; 49:249-60. [PMID: 23683373 DOI: 10.1016/j.arbres.2012.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Revised: 11/18/2012] [Accepted: 11/20/2012] [Indexed: 10/27/2022]
Abstract
Collagen diseases are a large group of systemic inflammatory diseases of autoimmune etiology. The etiopathogenesis of collagen diseases is multifactorial. There is genetic susceptibility, as many connective tissue disorders show family history, and environmental factors may trigger the disease. Collagen diseases can affect almost all the organs of the body. The respiratory system is one of the most frequently affected, although the prevalence of pulmonary disease is not precisely known for the different collagen disorders. Any structure of the respiratory tract can be affected, but perhaps the most frequent is pulmonary parenchymal disease in the form of pneumonitis, which can be produced in any of the idiopathic interstitial pneumonitis patterns. The pleura, pulmonary vessels, airways and respiratory muscles may also be affected. The frequency of lung disease associated with collagen diseases is on the rise. This due in part to the better diagnostic methods that are available to us today (such as high-resolution computed tomography) and also to the appearance of new forms of pneumonitis associated with the new treatments that are currently used. The objective of this article is to offer a global vision of how collagen diseases can affect the lungs according to the latest scientific evidence.
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Affiliation(s)
- Luis Gómez Carrera
- Servicio de Neumología, IdiPAZ, Hospital Universitario La Paz, Madrid, Spain.
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