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Fairley JL, Ross L, Nikpour M. Heart involvement in systemic sclerosis: emerging concepts. Curr Opin Rheumatol 2024:00002281-990000000-00130. [PMID: 39120541 DOI: 10.1097/bor.0000000000001038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
PURPOSE OF REVIEW Systemic sclerosis (SSc)-associated heart involvement (SHI) is a significant cause of both morbidity and mortality in individuals with SSc. SHI can take many different forms, and likely is a spectrum of fibroinflammatory cardiac disease. Presenting features include arrhythmia, ventricular systolic or diastolic dysfunction, pericardial disease, and exercise intolerance. Risk of sudden cardiac death in SSc is likely 10-30-fold greater than general population estimates. In this review, we explore what is known about the pathogenesis of SHI, its prevention and management, and discuss available strategies for screening for SHI in light of new recommendations for the routine screening of SHI in all SSc patients. RECENT FINDINGS We describe the spectrum, clinical features, and pathogenesis of SHI. Furthermore, we review the new recommendations for screening for SHI in individuals with SSc. SUMMARY There is a large, under-recognized burden of SHI in people living with SSc, which likely contributes to the significant increase in sudden cardiac death observed in SSc. However, a broad-based screening approach, including asymptomatic, low-risk patients should be viewed with caution given the lack of evidence-based treatments and interventions for SHI particularly in this group.
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Affiliation(s)
- Jessica L Fairley
- The University of Melbourne
- St. Vincent's Hospital Melbourne, Melbourne, Victoria
| | - Laura Ross
- The University of Melbourne
- St. Vincent's Hospital Melbourne, Melbourne, Victoria
| | - Mandana Nikpour
- The University of Melbourne
- St. Vincent's Hospital Melbourne, Melbourne, Victoria
- The University of Sydney School of Public Health, Sydney
- Royal Prince Alfred Hospital Sydney
- SydneyMSK Research Flagship Centre, University of Sydney, Sydney, New South Wales, Australia
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Ross L, Hansen D, Proudman S, Khanna D, Herrick AL, Stevens W, Baron M, Nikpour M. Development and Initial Validation of the Novel Scleroderma Clinical Trials Consortium Activity Index. Arthritis Rheumatol 2024. [PMID: 38937146 DOI: 10.1002/art.42939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/10/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
OBJECTIVE Accurate measurement of disease activity in systemic sclerosis (SSc) remains a significant clinical challenge. The Scleroderma Clinical Trials Consortium (SCTC) convened an Activity Index (AI) Working Group (WG) to develop a novel measure of disease activity (SCTC-AI). METHODS Using consensus methodology, we developed a conceptual definition of disease activity. Literature review and expert consensus generated provisional SCTC-AI items, which were reduced by Delphi survey. Provisional items were weighted against a combined endpoint of morbidity and mortality, using time-dependent Cox proportional hazards regression analysis of the Australian Scleroderma Cohort Study (ASCS) (n = 1,254). External validation of the SCTC-AI was performed using data collected from 1,103 Canadian Scleroderma Research Group Study participants. RESULTS Disease activity in SSc was defined using consensus methodology as "aspects of disease that are reversible, or can be arrested, with time and, or effective therapy." One-hundred and forty-one provisional SCTC-AI items were generated and reduced using three rounds of Delphi survey and statistical reduction and weighting, against mortality and quality of life measures, yielding a final 24-item index with a maximum possible score of 140. Survival analysis in an external cohort showed a graded relationship between disease activity scores and survival (P < 0.01). CONCLUSION We present a novel instrument to quantify the burden of disease activity in SSc. We have employed a rigorous consensus-based process in combination with data-driven methods to develop an instrument that has face, content, and criterion validity. Further work is required to fully validate and confirm the construct and discriminative validity of the SCTC-AI.
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Affiliation(s)
- Laura Ross
- University of Melbourne and St Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
| | - Dylan Hansen
- St Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
| | - Susanna Proudman
- Royal Adelaide Hospital and University of Adelaide, South Australia, Australia
| | | | - Ariane L Herrick
- The University of Manchester, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Wendy Stevens
- St Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
| | - Murray Baron
- Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Mandana Nikpour
- University of Melbourne and St Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia; Sydney Musculoskeletal Research Flagship Centre (University of Sydney), University of Sydney School of Public Health, Sydney, New South Wales, and Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
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Öztürk Ö, Şahin D, Acar AÖ, Saldiran TÇ, Uzun NN, Şen N, Tezcan ME. Performance of myotonometer in the assessment of skin involvement in systemic sclerosis. Clin Rheumatol 2024; 43:695-705. [PMID: 38114818 DOI: 10.1007/s10067-023-06848-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVES A clinically practical tool to assess skin biomechanical properties rapidly and accurately is still lacking. Our aim was to examine the intra- and inter-observer reproducibility of a myotonometer for objective skin property assessment in systemic sclerosis (SSc), comparing it with the modified Rodnan skin score (mRSS), and distinguishing patients from healthy controls. METHOD Thirty-four patients (21 limited and 13 diffuse SSc), and 31 age and gender-matched healthy controls were enrolled. Skin tone and stiffness were measured at four different anatomical sites (the forearm, hand, leg, and foot) using a myotonometer. The correlation between the mRSS and skin properties was assessed. Also, hand functionality was evaluated for possible correlations between the variables. The differences in skin properties between dcSSc and lcSSc patients, and healthy controls were assessed using variance analysis. RESULTS Intra- and inter-examiner reproducibility were excellent (ICC = 0.70 to 0.98) for tone and stiffness except for non-dominant hand tone, which showed good reliability (ICC = 0.64 to 0.74). Stiffness and tone values of the hands, forearms, and feet significantly correlated with mRSS total score (r = 0.40 to 0.71, p < 0.05). Additionally, tone and stiffness of the hands and forearms moderately correlated with hand function (p < 0.05). Tone and stiffness values increased in patients with dcSSc compared to healthy controls, or patients with lcSSc, at the hands, forearms, and legs (p < 0.05). CONCLUSIONS Our findings emphasize the potential utility of the myotonometer for assessing skin properties and differentiating SSc patients from controls, demonstrating its promise as a valuable clinical evaluation tool in this context. Key Points •The myotonometer displayed excellent intra- and inter-examiner reproducibility for assessing skin properties. •Skin tone and stiffness parameters well correlated with the mRSS scores. •The myotonometer can distinguish patients with diffuse cutaneous SSc from healthy controls.
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Affiliation(s)
- Özgül Öztürk
- Department of Physiotherapy and Rehabilitation, Acıbadem Mehmet Ali Aydınlar University, Kayışdağı St, No:32, Ataşehir, Istanbul, 34752, Turkey.
| | - Duygu Şahin
- Department of Rheumatology, Istanbul Dr. Lütfi Kırdar Kartal City Hospital, Istanbul, Turkey
| | - Ali Ömer Acar
- Department of Physiotherapy and Rehabilitation, Acıbadem Mehmet Ali Aydınlar University, Kayışdağı St, No:32, Ataşehir, Istanbul, 34752, Turkey
| | - Tülay Çevik Saldiran
- Department of Physiotherapy and Rehabilitation, Bitlis Eren University, Bitlis, Turkey
| | - Nihan Neval Uzun
- Department of Rheumatology, Istanbul Dr. Lütfi Kırdar Kartal City Hospital, Istanbul, Turkey
| | - Nesrin Şen
- Department of Rheumatology, Istanbul Dr. Lütfi Kırdar Kartal City Hospital, Istanbul, Turkey
| | - Mehmet Engin Tezcan
- Department of Rheumatology, Istanbul Dr. Lütfi Kırdar Kartal City Hospital, Istanbul, Turkey
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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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Herrick AL, Assassi S, Denton CP. Skin involvement in early diffuse cutaneous systemic sclerosis: an unmet clinical need. Nat Rev Rheumatol 2022; 18:276-285. [PMID: 35292731 PMCID: PMC8922394 DOI: 10.1038/s41584-022-00765-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2022] [Indexed: 12/23/2022]
Abstract
Diffuse cutaneous systemic sclerosis (dcSSc) is associated with high mortality resulting from early internal-organ involvement. Clinicians therefore tend to focus on early diagnosis and treatment of potentially life-threatening cardiorespiratory and renal disease. However, the rapidly progressive painful, itchy skin tightening that characterizes dcSSc is the symptom that has the greatest effect on patients' quality of life, and there is currently no effective disease-modifying treatment for it. Considerable advances have been made in predicting the extent and rate of skin-disease progression (which vary between patients), including the development of techniques such as molecular analysis of skin biopsy samples. Risk stratification for progressive skin disease is especially relevant now that haematopoietic stem-cell transplantation is a treatment option, because stratification will inform the balance of risk versus benefit for each patient. Measurement of skin disease is a major challenge. Results from clinical trials have highlighted limitations of the modified Rodnan skin score (the current gold standard). Alternative patient-reported and other potential outcome measures have been and are being developed. Patients with early dcSSc should be referred to specialist centres to ensure best-practice management, including the management of their skin disease, and to maximize opportunities for inclusion in clinical trials.
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Affiliation(s)
- Ariane L Herrick
- Division of Musculoskeletal and Dermatological Sciences, The University of Manchester, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.
| | - Shervin Assassi
- McGovern Medical School, The University of Texas, Houston, TX, USA
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A Narrative Review of Pathogenetic and Histopathologic Aspects, Epidemiology, Classification Systems, and Disease Outcome Measures in Systemic Sclerosis. Clin Rev Allergy Immunol 2022; 64:358-377. [PMID: 35254622 PMCID: PMC10167186 DOI: 10.1007/s12016-022-08929-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2022] [Indexed: 11/03/2022]
Abstract
Systemic sclerosis (SSc) is a rare systemic autoimmune disease, characterized by the presence of three main actors: vasculopathy, immune activation, and fibrosis. This pathologic process is then translated in a clinical picture with great variability among different patients in terms of type of organ involvement, disease severity and prognosis. This heterogeneity is a main feature of SSc, which, in addition to the presence of early phases of the disease characterized by mild symptoms, can explain the high difficulty in establishing classification criteria, and in defining patients' subsets and disease outcomes. The definition of disease outcomes is particularly relevant in the setting of clinical trials, where the aim is to provide reliable endpoints, able to measure the magnitude of the efficacy of a certain drug or intervention. For this reason, in the last years, increasing efforts have been done to design measures of disease activity, damage, severity, and response to treatment, often in the context of composite indexes. When considering disease outcomes, the experience of the patient represents a relevant and complementary aspect. The tools able to capture this experience, the patient-reported outcomes, have been increasingly used in the last years in clinical practice and in clinical trials, both as primary and secondary endpoints. This comprehensive narrative review on SSc will therefore cover pathogenetic and histopathologic aspects, epidemiology, classification systems, and disease outcome measures, in order to focus on issues that are relevant for clinical research and design of clinical trials.
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Lee TH, Lee JS, Park S, Lee KA, Kim HS. Reliability and validity of the Korean version of the University of California-Los Angeles Scleroderma Clinical Trial Consortium Gastrointestinal Tract instrument in patients with systemic sclerosis. Korean J Intern Med 2021; 36:1504-1514. [PMID: 33561335 PMCID: PMC8588985 DOI: 10.3904/kjim.2020.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/08/2020] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND/AIMS Systemic sclerosis (SSc) is associated with a wide range of gastrointestinal (GI) changes. The University of California-Los Angeles Scleroderma Clinical Trial Consortium Gastrointestinal Tract (UCLA SCTC GIT 2.0) instrument is a self-administered GI assessment instrument for patients with SSc. We developed a Korean version of the UCLA SCTC GIT 2.0 instrument and evaluated its reliability and internal consistency. METHODS The participants were 37 Korean patients with SSc. Translation and cross-cultural adaptation of the UCLA SCTC GIT 2.0 were performed according to international standardized guidelines. We evaluated reproducibility by calculating the intraclass correlation coefficients and assessed the internal consistency of the Korean version of the UCLA SCTC GIT 2.0. We assessed its construct validity by evaluating its correlations with the Short Form Health Survey version 2 and EQ-5D scores by means of Spearman correlation analyses. RESULTS Patients with SSc were mostly women (89.19%) with a mean age of 52.2 years, median disease duration of 24 months, and median modified Rodnan total skin score of 4. The median total GIT score on the UCLA SCTC GIT 2.0 was 0.3. The UCLA SCTC GIT 2.0 Korean version showed excellent internal consistency (Cronbach's α of total GIT score = 0.863). Most domains of the ULCA SCTC GIT 2.0 were correlated with those of the EuroQol (EQ)-5D score. CONCLUSION The Korean version of the UCLA SCTC GIT 2.0 has acceptable internal consistency, reliability, and validity. Therefore, it can be used to assess GIT involvement in Korean patients with SSc.
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Affiliation(s)
- Tae Hee Lee
- Division of Gastroenterology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Joon Seong Lee
- Division of Gastroenterology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Suyeon Park
- Department of Biostatistics, Soonchunhyang University Seoul Hospital, Seoul, Korea
- Department of Applied Statistics, Chung-Ang University, Seoul, Korea
| | - Kyung-Ann Lee
- Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Hyun-Sook Kim
- Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
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Systemische Sklerose: Verbindung von Patientenbeobachtung und objektiver Messung. AKTUEL RHEUMATOL 2021. [DOI: 10.1055/a-1297-2610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Eine australische Arbeitsgruppe bewertete bei systemischer Sklerose (SSc) den Zusammenhang zwischen den von Patientinnen und Patienten geschilderten Symptomen und den Veränderungen der Krankheitsaktivität über einen längeren Zeitraum.
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Castelino FV, Moua T. Detection and Management of Interstitial Lung Diseases Associated With Connective Tissue Diseases. ACR Open Rheumatol 2021; 3:295-304. [PMID: 33779080 PMCID: PMC8126753 DOI: 10.1002/acr2.11253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/26/2021] [Indexed: 01/08/2023] Open
Abstract
Interstitial lung disease (ILD) is a common manifestation of connective tissue diseases (CTDs). A proportion of patients with CTD-ILDs develop progressive fibrosing ILD, which is characterized by worsening fibrotic abnormalities on high-resolution computed tomography scan, decline in lung function, worsening symptoms, and early mortality. Here, we review the impact of ILD in patients with CTDs, the importance of prompt diagnosis and close monitoring, and the evidence available to guide the management of CTD-ILDs. Management of patients with CTD-ILDs should be individualized and involve close collaboration between rheumatologists and pulmonologists. Immunosuppression is the mainstay of therapy for CTDs, but evidence for its effectiveness in slowing the progression of ILD is limited. Recently, nintedanib has been approved to slow decline in lung function in patients with systemic sclerosis-associated ILD and chronic fibrosing ILDs with a progressive phenotype. The results of ongoing clinical trials will help clinicians take a more evidence-based approach to the treatment of CTD-ILDs.
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Clark KEN, Denton CP. The patient knows best: a new self-reported outcome measure for systemic sclerosis. Br J Dermatol 2020; 183:610. [PMID: 32253751 DOI: 10.1111/bjd.19033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- K E N Clark
- Centre for Rheumatology and Connective Tissue Diseases, UCL Division of Medicine, London, UK
| | - C P Denton
- Centre for Rheumatology and Connective Tissue Diseases, UCL Division of Medicine, London, UK
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Saketkoo LA, Scholand MB, Lammi MR, Russell AM. Patient-reported outcome measures in systemic sclerosis-related interstitial lung disease for clinical practice and clinical trials. JOURNAL OF SCLERODERMA AND RELATED DISORDERS 2020; 5:48-60. [PMID: 32455167 DOI: 10.1177/2397198320904178] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Systemic sclerosis (SSc) is a progressive vasculopathic, fibrosing autoimmune condition, portending significant mortality; wherein interstitial lung disease (ILD) is the leading cause of death. Although lacking a definitive cure, therapeutics for (SSc-ILD) that stave progression exist with further promising primary and adjuvant compounds in development, as well as interventions to reduce symptom burden and increase quality of life. To date, there has been a significant but varied history related to systemic sclerosis-related interstitial lung disease trial design and endpoint designation. This is especially true of endpoints measuring patient-reported perceptions of efficacy and tolerability. This article describes the underpinnings and complexity of the science, methodology, and current state of patient-reported outcome measures used in (SSc-ILD) systemic sclerosis-related interstitial lung disease in clinical practice and trials.
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Affiliation(s)
- Lesley Ann Saketkoo
- New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, USA.,Interstitial Lung Disease Clinic Programs, Comprehensive Pulmonary Hypertension Center, University Medical Center, New Orleans, LA, USA.,Division of Pulmonary Diseases, School of Medicine, Louisiana State University, New Orleans, LA, USA.,School of Medicine, Tulane University, New Orleans, LA, USA
| | - Mary Beth Scholand
- Division of Pulmonary Medicine, University of Utah, Salt Lake City, UT, USA
| | - Matthew R Lammi
- New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, USA.,Interstitial Lung Disease Clinic Programs, Comprehensive Pulmonary Hypertension Center, University Medical Center, New Orleans, LA, USA.,Division of Pulmonary Diseases, School of Medicine, Louisiana State University, New Orleans, LA, USA
| | - Anne-Marie Russell
- National Heart and Lung Institute, Imperial College London, London, UK.,Imperial College Healthcare NHS Trust, London, UK
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