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Obi ON, Saketkoo LA, Russell AM, Baughman RP. Sarcoidosis: Updates on therapeutic drug trials and novel treatment approaches. Front Med (Lausanne) 2022; 9:991783. [PMID: 36314034 PMCID: PMC9596775 DOI: 10.3389/fmed.2022.991783] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/17/2022] [Indexed: 12/04/2022] Open
Abstract
Sarcoidosis is a systemic granulomatous inflammatory disease of unknown etiology. It affects the lungs in over 90% of patients yet extra-pulmonary and multi-organ involvement is common. Spontaneous remission of disease occurs commonly, nonetheless, over 50% of patients will require treatment and up to 30% of patients will develop a chronic progressive non-remitting disease with marked pulmonary fibrosis leading to significant morbidity and death. Guidelines outlining an immunosuppressive treatment approach to sarcoidosis were recently published, however, the strength of evidence behind many of the guideline recommended drugs is weak. None of the drugs currently used for the treatment of sarcoidosis have been rigorously studied and prescription of these drugs is often based on off-label” indications informed by experience with other diseases. Indeed, only two medications [prednisone and repository corticotropin (RCI) injection] currently used in the treatment of sarcoidosis are approved by the United States Food and Drug Administration. This situation results in significant reimbursement challenges especially for the more advanced (and often more effective) drugs that are favored for severe and refractory forms of disease causing an over-reliance on corticosteroids known to be associated with significant dose and duration dependent toxicities. This past decade has seen a renewed interest in developing new drugs and exploring novel therapeutic pathways for the treatment of sarcoidosis. Several of these trials are active randomized controlled trials (RCTs) designed to recruit relatively large numbers of patients with a goal to determine the safety, efficacy, and tolerability of these new molecules and therapeutic approaches. While it is an exciting time, it is also necessary to exercise caution. Resources including research dollars and most importantly, patient populations available for trials are limited and thus necessitate that several of the challenges facing drug trials and drug development in sarcoidosis are addressed. This will ensure that currently available resources are judiciously utilized. Our paper reviews the ongoing and anticipated drug trials in sarcoidosis and addresses the challenges facing these and future trials. We also review several recently completed trials and draw lessons that should be applied in future.
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Affiliation(s)
- Ogugua Ndili Obi
- Division of Pulmonary Critical Care and Sleep Medicine, Brody School of Medicine, East Carolina University, Greenville, NC, United States,*Correspondence: Ogugua Ndili Obi,
| | - Lesley Ann Saketkoo
- New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, United States,University Medical Center—Comprehensive Pulmonary Hypertension Center and Interstitial Lung Disease Clinic Programs, New Orleans, LA, United States,Section of Pulmonary Medicine, Louisiana State University School of Medicine, New Orleans, LA, United States,Department of Undergraduate Honors, Tulane University School of Medicine, New Orleans, LA, United States
| | - Anne-Marie Russell
- Exeter Respiratory Institute University of Exeter, Exeter, United Kingdom,Royal Devon and Exeter NHS Foundation Trust, Devon, United Kingdom,Faculty of Medicine, Imperial College and Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Robert P. Baughman
- Department of Medicine, University of Cincinnati, Cincinnati, OH, United States
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152
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Wijsenbeek M, Suzuki A, Maher TM. Interstitial lung diseases. Lancet 2022; 400:769-786. [PMID: 35964592 DOI: 10.1016/s0140-6736(22)01052-2] [Citation(s) in RCA: 122] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 03/14/2022] [Accepted: 06/03/2022] [Indexed: 02/07/2023]
Abstract
Over 200 interstitial lung diseases, from ultra rare to relatively common, are recognised. Most interstitial lung diseases are characterised by inflammation or fibrosis within the interstitial space, the primary consequence of which is impaired gas exchange, resulting in breathlessness, diminished exercise tolerance, and decreased quality of life. Outcomes vary considerably for each of the different interstitial lung diseases. In some conditions, spontaneous reversibility or stabilisation can occur, but unfortunately in many people with interstitial lung disease, especially in those manifesting progressive pulmonary fibrosis, respiratory failure and death are a sad reality. Over the past 3 years, the field of interstitial lung disease has had important advances, with the approval of drugs to treat systemic sclerosis-associated interstitial lung disease, interstitial lung disease-associated pulmonary hypertension, and different forms of progressive pulmonary fibrosis. This Seminar provides an update on epidemiology, pathogenesis, presentation, diagnosis, disease course, and management of the interstitial lung diseases that are most frequently encountered in clinical practice. Furthermore, we describe how developments have led to a shift in the classification and treatment of interstitial lung diseases that exhibit progressive pulmonary fibrosis and summarise the latest practice-changing guidelines. We conclude with an outline of controversies, uncertainties, and future directions.
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Affiliation(s)
- Marlies Wijsenbeek
- Center for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands.
| | - Atsushi Suzuki
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Toby M Maher
- Hastings Centre for Pulmonary Research and Division of Pulmonary, Critical Care and Sleep Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; National Heart and Lung Institute, Imperial College London, London, UK
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153
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Abstract
PURPOSE OF REVIEW The treatment of sarcoidosis remains uncertain, despite 70 years of study. The conventional approach is to initiate corticosteroids in individuals who require treatment. The position of more aggressive regimes is unknown. RECENT FINDINGS Recent recognition that many patients will require prolonged therapy, and the observation that corticosteroids lead to overt and insidious toxicities, have led to suggestions that steroid-sparing medications be used earlier in the management of sarcoidosis. Individuals with poor prognostic features, designated as 'high-risk' sarcoidosis may, especially benefit from a broader palette of therapeutic options in the initial treatment regimen. An even more aggressive approach, known as 'top-down' or 'hit-hard and early' therapy has emerged in the fields of gastroenterology and rheumatology in the past 15 years, on the premise that highly effective early control of inflammation leads to better outcomes. These regimens typically involve early initiation of biologic therapies. SUMMARY For certain subpopulations of sarcoidosis patients, 'top-down' therapy could be helpful. Severe pulmonary sarcoidosis, neurosarcoidosis, cardiac sarcoidosis and multiorgan sarcoidosis are phenotypes that may be most relevant for revised therapeutic algorithms. Precision medicine approaches and randomized trials will be necessary to confirm a role for top-down therapy in the routine management of sarcoidosis.
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Affiliation(s)
- Adriane D.M. Vorselaars
- Division Heart and Lungs, University Medical Center Utrecht, Utrecht
- Interstitial Lung Diseases Center of Excellence, Department of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Daniel A. Culver
- Department of Pulmonary Medicine, Respiratory Institute
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
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154
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Judson MA. The treatment of sarcoidosis: translating the European respiratory guidelines into clinical practice. Curr Opin Pulm Med 2022; 28:451-460. [PMID: 35838355 DOI: 10.1097/mcp.0000000000000896] [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: 11/25/2022]
Abstract
PURPOSE OF REVIEW Recently, the European Respiratory Society (ERS) developed new international guidelines for the treatment of sarcoidosis. This manuscript attempts to distill the ERS Sarcoidosis Treatment Guidelines to a manageable format that can be easily used by practitioners. RECENT FINDINGS The ERS Sarcoidosis Treatment Guidelines addressed the treatment of pulmonary, skin, cardiac, neurologic, and sarcoidosis-associated fatigue. Therapeutic drug dosing and treatment algorithms for these conditions were also addressed. Glucocorticoids were the initial recommended treatment for these conditions except for sarcoidosis-associated fatigue where a pulmonary exercise program or a neurostimulant was initially suggested. Because of the risk of glucocorticoid side-effects, the Guidelines recommended early consideration of glucocorticoid-sparing therapy including certain antimetabolites and two specific tumor necrosis alpha antagonists: infliximab and adalimumab. SUMMARY The ERS Sarcoidosis Treatment Guidelines used a rigorous GRADE (Grading of Recommendations, Assessment, Development and Evaluations) methodology to update treatment recommendations for this condition. This manuscript summarizes the Guideline findings in practical terms for clinicians. Suggested algorithms and treatment dosing recommendations are provided.
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Affiliation(s)
- Marc A Judson
- Professor of Medicine; Chief, Division of Pulmonary and Critical Care Medicine; Department of Medicine Albany Medical College, Albany, New York, USA
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155
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Abstract
PURPOSE OF REVIEW Sarcoidosis is a chronic multisystemic inflammatory disease of unknown aetiology with a wide range of highly variable clinical manifestations and unpredictable disease course. Sarcoidosis patients may present with specific organ-related symptoms involving functional impairments, and less specific symptoms. The decision whether and when to treat a sarcoidosis patient with pharmacotherapy depends on two major factors: risk of organ failure and/or death and impairment of quality of life. This decision is complex and not standardized. RECENT FINDINGS Glucocorticoids (GCs) are recommended as initial treatment, when needed. Subsequent GC-sparing alternatives frequently follow. Comorbidities or adverse drug reactions (ADRs) from drugs used in sarcoidosis treatment are sometimes very hard to differentiate from symptoms associated with the disease itself, which may cause diagnostic dilemmas. An ideal approach to minimalize ADRs would involve genetic screening prior to prescribing certain 'high-risk drugs' and therapeutic drug monitoring during treatment. Pharmacogenomic testing aims to guide appropriate selection of medicines, with the potential of reducing unnecessary polypharmacy while improving clinical outcomes. SUMMARY A multidisciplinary approach to the management of sarcoidosis may avoid unnecessary ADRs. It is important to consider the possibility of drug-induced damage in sarcoidosis, especially if the clinical situation deteriorates after the introduction of a particular drug.
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Affiliation(s)
- Marjolein Drent
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine and Life Science, Maastricht University, Maastricht
- ILD Center of Excellence, Department of Respiratory Medicine, St. Antonius Hospital, Nieuwegein
- ILD Care Foundation Research Team, Ede
| | - Naomi T. Jessurun
- ILD Care Foundation Research Team, Ede
- Netherlands Pharmacovigilance Centre Lareb, ‘s-Hertogenbosch
| | - Petal A. Wijnen
- ILD Care Foundation Research Team, Ede
- Central Diagnostic Laboratory, Department of Clinical Chemistry, MUMC, Maastricht, The Netherlands
| | - Otto Bekers
- Central Diagnostic Laboratory, Department of Clinical Chemistry, MUMC, Maastricht, The Netherlands
| | - Aalt Bast
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine and Life Science, Maastricht University, Maastricht
- ILD Care Foundation Research Team, Ede
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156
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Abstract
PURPOSE OF REVIEW In chronic pulmonary sarcoidosis, the transition from the inflammatory to the fibrotic stage of the lungs occurs in about 10-20% of cases, eventually causing end-stage fibrotic disease. To date, pathogenetic mechanisms and clinical management remain challenging; thus, we highlight the recent evidence in pulmonary fibrotic processes, clinical signs for an early detection and the potential role of the current investigated antifibrotic agents and promising targeted therapies. RECENT FINDINGS Recent findings of relevant key cellular pathways can be considered as a glimmer of light in the complexity of sarcoidosis. In some patients, granulomas persist and serve as a nidus for fibrosis growth, sustained by several fibrosis-stimulating cytokines. Preclinical studies have detected profibrotic, antifibrotic and pleiotropic T cells as promoters of fibrosis. Epigenetics, genetics and transcriptomics research can lead to new target therapies. Antifibrotic drug nintedanib has shown a positive effect on non-idiopathic pulmonary fibrosis fibrotic lung diseases including fibrotic sarcoidosis; other antifibrotic drugs are under investigation. SUMMARY Pulmonary fibrosis strongly impacts the outcome of sarcoidosis, and a better understanding of the underlying pathogenic mechanisms can facilitate the development of novel treatments, improving clinical care and life expectancy of these patients. The greatest challenge is to investigate effective antifibrotic therapies once fibrosis develops. The role of these findings in fibrotic sarcoidosis can be translated into other interstitial lung diseases characterized by the coexistence of inflammatory and fibrotic processes.
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Affiliation(s)
- Alessia Comes
- Fondazione Policlinico Universitario A. Gemelli, IRCCS, Università Cattolica del Sacro Cuore, Roma, Italy
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Editorial: Sarcoidosis: now and into the future. Curr Opin Pulm Med 2022; 28:448-450. [PMID: 35938202 DOI: 10.1097/mcp.0000000000000899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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158
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Brito-Zerón P, Pérez-Álvarez R, Ramos-Casals M. Sarcoidosis. Med Clin (Barc) 2022; 159:195-204. [PMID: 35680449 DOI: 10.1016/j.medcli.2022.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 03/22/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022]
Abstract
Sarcoidosis is a systemic autoimmune disease that is associated with the development of non-caseating granulomas. The disease especially affects the lymph nodes, lungs, skin and eyes. It is an infrequent but not rare disease, especially in northern Europe, the United States and India. Sarcoidosis affects more women and is diagnosed between the ages of 30 and 50. Etiopathogenically, it is closely linked to environmental factors, especially occupational exposures. Clinically, it stands out for a wide variety of presentation phenotypes (casual diagnosis, involvement of a single organ or systemic presentation). The diagnosis of sarcoidosis is complex and requires the integration of clinical, analytical, radiological, and histolopathogical data carried out by multidisciplinary clinical units. The evolution of the disease is variable, as is the indication for systemic treatment, based on the use of corticosteroids as first-line option, the use of immunosuppressants as second-line therapy, and anti-TNF agents in severe and/or refractory cases.
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Affiliation(s)
- Pilar Brito-Zerón
- Research and Innovation Group in Autoimmune Diseases, Sanitas Digital Hospital, Hospital-CIMA-Centre Mèdic Millenium Balmes Sanitas, Barcelona, España; Línea de Investigación en Sarcoidosis del GEAS, Sociedad Española de Medicina Interna (SEMI), Madrid, España
| | - Roberto Pérez-Álvarez
- Línea de Investigación en Sarcoidosis del GEAS, Sociedad Española de Medicina Interna (SEMI), Madrid, España; Servicio de Medicina Interna, Hospital San Rafael, La Coruña, España
| | - Manuel Ramos-Casals
- Línea de Investigación en Sarcoidosis del GEAS, Sociedad Española de Medicina Interna (SEMI), Madrid, España; Servicio de Enfermedades Autoinmunes, ICMiD, Hospital Clínic, Barcelona, España; Departament de Medicina, Universtat de Barcelona, Barcelona, España.
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159
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Sarcoidosis: can tofacitinib slay the dragon? Nat Rev Rheumatol 2022; 18:557-558. [PMID: 35999390 DOI: 10.1038/s41584-022-00832-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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160
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Zhang Q, Jing XY, Yang XY, Xu ZJ. Diagnostic value of elevated serum carbohydrate antigen 125 level in sarcoidosis. World J Clin Cases 2022; 10:8141-8151. [PMID: 36159536 PMCID: PMC9403695 DOI: 10.12998/wjcc.v10.i23.8141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/21/2022] [Accepted: 07/11/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Sarcoidosis is a multisystem disorder with unknown etiology, and it predominantly affects the lungs and intrathoracic lymph nodes. For patients with atypical clinical manifestations, the diagnosis of sarcoidosis is difficult and specific biomarkers may play an important role in assisting diagnosis. Previous research has demonstrated a correlation between sarcoidosis and increased carbohydrate antigen 125 (CA125), but remains a lack of large cohort studies to validate this observation.
AIM To compare serum CA125 levels in sarcoidosis patients and healthy controls, and explore whether CA125 can be used as a biomarker for the diagnosis of sarcoidosis.
METHODS In this study, the serum CA125 levels were measured by enzyme-linked immunosorbent assay in 108 consecutive sarcoidosis patients between June 2016 and December 2020 (31 males, 77 females; age at diagnosis 49.69 ± 9.10 years) and 112 healthy subjects. Data on the C-reactive protein, erythrocyte sedimentation rate, and angiotensin-converting enzyme were also collected. The association of serum CA125 levels with clinical, radiological, and respiratory functional characteristics was analyzed between patient groups with CA125 ≤ 35 U/mL or CA125 > 35 U/mL.
RESULTS We found that serum CA125 levels were higher in sarcoidosis patients compared to healthy controls (median: 44.78 vs 19.11 U/mL, P < 0.001). The area under the receiver operator characteristic was 0.9833 (95%CI: 0.9717-0.9949), and the best cutoff point was 32.33 U/mL. The elevated serum CA125 was notably associated with the percentage of predicted forced vital capacity (FVC%) and neutrophil-to-lymphocyte ratio (P = 0.043 and P = 0.038, respectively) in sarcoidosis patients. Multivariate analysis revealed that FVC% was a statistically notable predictor of elevated serum CA125 (P = 0.029). Also, our research revealed that compared to patients with Stage I of radiology classification, patients with Stage II and III showed a higher concentration of serum CA125 (46.16 ± 8.32 vs 41.00 ± 6.04 U/mL, P = 0.005, and 47.92 ± 10.10 vs 41.00 ± 6.04 U/mL, P = 0.002, respectively).
CONCLUSION Serum CA125 was highly increased in sarcoidosis patients and showed high efficiency for noninvasive diagnosis of the disease. In addition, abnormally elevated serum CA125 was correlated with pulmonary function and radiological Scadding’s classification of sarcoidosis.
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Affiliation(s)
- Qian Zhang
- Department of Respiratory Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xiao-Yan Jing
- Department of Respiratory Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xiao-Yu Yang
- Department of Respiratory Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Zuo-Jun Xu
- Department of Respiratory Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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161
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Liberio R, Kramer E, Memon AB, Reinbeau R, Feizi P, Joseph J, Wu J, Sriwastava S. Relevance of Medullary Vein Sign in Neurosarcoidosis. Neurol Int 2022; 14:638-647. [PMID: 35997361 PMCID: PMC9397064 DOI: 10.3390/neurolint14030052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 12/04/2022] Open
Abstract
Background: Central nervous system involvement is uncommon in patients with sarcoidosis. It remains a diagnostic challenge for clinicians, as there is a broad differential diagnosis that matches the presenting neurological signs. Often, the imaging findings also overlap with other disease entities. One understudied finding in patients with neurosarcoidosis is the presence of medullary vein engorgement on SWI imaging, termed the “medullary vein sign”, which has been postulated to be a specific sign for neurosarcoidosis. This study aims to provide an understanding of the diagnostic potential of the medullary vein sign. Methods: Thirty-two patients who presented with neurologic signs concerning for possible neurosarcoidosis were analyzed retrospectively for the presence of the medullary vein sign. Results: Out of these cases, 7 cases of definitive neurosarcoidosis cases were found based on other imaging signs, biopsy and CSF analysis; the remaining were classified into groups as possible (16), probable (5) and (4) cases of other infectious meningoencephalitis including 2 cases of autoimmune encephalitis. Seven patients among all of these cases were found to have the medullary vein sign on imaging, with five cases with confirmed and two cases from possible neurosarcoidosis. The sensitivity of the medullary vein sign in this study was 71.4%, and the specificity was 92.3%. Discussion: The benefits of improving diagnostic criteria for neurosarcoidosis include more rapid diagnosis leading to more prompt treatment, less exposure to potentially harmful antibiotics or antifungals, and less long-term neurological effects. Our results support that the medullary vein sign will potentially fill in the diagnostic gaps that have challenged the timely diagnosis of neurosarcoidosis. Conclusions: Our findings support that the medullary vein sign has a high specificity and should be included in the diagnostic criteria for neurosarcoidosis.
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Affiliation(s)
- Richard Liberio
- School of Medicine, West Virginia University, Morgantown, WV 26506, USA
- Department of Neurology, West Virginia University, Morgantown, WV 26506, USA
| | - Emily Kramer
- School of Medicine, West Virginia University, Morgantown, WV 26506, USA
- Department of Neurology, West Virginia University, Morgantown, WV 26506, USA
| | - Anza B. Memon
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Ryan Reinbeau
- School of Medicine, West Virginia University, Morgantown, WV 26506, USA
- Department of Neurology, West Virginia University, Morgantown, WV 26506, USA
| | - Parissa Feizi
- Department of Neuroradiology, West Virginia University, Morgantown, WV 26506, USA
| | - Joe Joseph
- Department of Neuroradiology, West Virginia University, Morgantown, WV 26506, USA
| | - Janet Wu
- Department of Neurology, West Virginia University, Morgantown, WV 26506, USA
| | - Shitiz Sriwastava
- School of Medicine, West Virginia University, Morgantown, WV 26506, USA
- Department of Neurology, West Virginia University, Morgantown, WV 26506, USA
- Department of Neuroradiology, West Virginia University, Morgantown, WV 26506, USA
- Department of Neurology, Wayne State University, Detroit, MI 48201, USA
- West Virginia Clinical and Translational Science Institute, Morgantown, WV 26506, USA
- Correspondence: ; Tel.: +1-304-581-1903
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162
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[Sarcoidosis as prime example of a granulomatous disease]. Z Rheumatol 2022; 81:535-548. [PMID: 35927387 DOI: 10.1007/s00393-022-01245-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: 07/05/2022] [Indexed: 10/16/2022]
Abstract
Sarcoidosis is the most frequent immunologically related granulomatous disease and can serve as a model for understanding diseases within this category. The evidence on the diagnostics and treatment is so far limited. It is therefore all the more important that two new and significant guidelines on diagnosis and treatment of sarcoidosis were published during the last 2 years. Additionally, there were more new publications, which were considered for this review article. In this context, this review article provides a current update and overview of sarcoidosis. Pathophysiologically, there is an increasing understanding of the complex processes and interactions involved in the inflammatory processes and granuloma formation. The probability of a diagnosis of sarcoidosis is determined by compatible histology, the exclusion of differential diagnoses and if possible evidence of a multiorgan manifestation. The clinical course is variable and ranges from an asymptomatic manifestation to severe life-threatening organ failure. The most frequently affected organ are the lungs. Pulmonary fibrosis is the most severe form and is also decisive for mortality. An increasing focus is on the extrapulmonary organ manifestations, in particular, cardiac, hepatosplenic, gastrointestinal, renal, ocular and neurological involvement. Treatment, which consists primarily of immunosuppression, should be initiated in cases of organ-threatening or quality of life-impairing activity of the disease. Additional organ-specific management must also be evaluated. In cases of organ failure transplantation should be considered. Due to the limited evidence especially for the treatment of multiorgan sarcoidosis, when possible, patients with this disease should be included in clinical trials.
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163
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Korsten P, Mirsaeidi M, Sweiss NJ. Editorial: Sarcoidosis—The great mimicker. Front Med (Lausanne) 2022; 9:990714. [PMID: 35983097 PMCID: PMC9381018 DOI: 10.3389/fmed.2022.990714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 07/18/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Peter Korsten
- Department of Nephrology and Rheumatology, University Medical Center Göttingen, Göttingen, Germany
- *Correspondence: Peter Korsten
| | - Mehdi Mirsaeidi
- Division of Pulmonary, Critical Care, and Sleep Disease, College of Medicine-Jacksonville, University of Florida, Jacksonville, FL, United States
| | - Nadera J. Sweiss
- Division of Rheumatology, Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States
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Jaiswal V, Ang SP, Sarfraz Z, Butey S, Khandait HV, Song D, Chia JE, Maroo D, Hanif M, Ghanim M, Chand R, Biswas M. RETRACTED: Association between sarcoidosis and cardiovascular Outcomes: A systematic review and Meta-analysis. IJC HEART & VASCULATURE 2022; 41:101073. [PMID: 35800042 PMCID: PMC9253999 DOI: 10.1016/j.ijcha.2022.101073] [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: 05/04/2022] [Revised: 06/14/2022] [Accepted: 06/19/2022] [Indexed: 11/10/2022]
Abstract
What is known? Previous studies showed the prevalence of cardiovascular diseases with sarcoidosis. However, there is limited data quantifying the future risks of these adverse outcomes in patients with a diagnosis of sarcoidosis. What is New? To the best of our knowledge, this is the first meta-analysis assessed the adverse cardiovascular outcomes in patients with sarcoidosis. Our study analyzed 22,539,096 patients and found that the incidence of Atrial Arrhythmia, Ventricular Tachycardia and Heart Failure were significantly higher in patients with sarcoidosis. All-cause mortality appeared to be approximately 2-fold higher in patients with sarcoidosis. What are the clinical implications? In sarcoidosis with cardiac involvement, clinicians should be aware of the increased risk of adverse cardiovascular events in these patients. Additional studies are warranted to study the optimal management approach towards patients with cardiac sarcoidosis.
Background Sarcoidosis is a chronic inflammatory disorder of unknown etiology associated with high morbidity and mortality. Its association with cardiovascular outcomes is under-documented. Aim The aim of this study was to assess the adverse cardiovascular outcomes in patients with sarcoidosis compared with that of non-sarcoidosis. Methodology Online databases including PubMed, Embase and Scopus were queried from inception until March 2022. The outcomes assessed included all-cause mortality (ACM) and incidence of ventricular tachycardia (VT), heart failure (HF) and atrial arrhythmias (AA). Result A total of 6 studies with 22,539,096 participants (42,763 Sarcoidosis, 22,496,354 Non-Sarcoidosis) were included in this analysis. The pooled prevalence of sarcoidosis was 13.1% (95% CI 1% to 70%). The overall mean age was 47 years. The most common comorbidities were hypertension (12.7% vs 12.5%), and diabetes mellitus (5.5% vs 4%) respectively. The pooled analysis of primary endpoints showed that all-cause mortality (RR, 2.08; 95% CI: 1.17 to 3.08; p = 0.01) was significantly increased in sarcoidosis patients. The pooled analysis of secondary endpoints showed that the incidence of VT (RR, 15.3; 95% CI: 5.39 to 43.42); p < 0.001), HF (RR, 4.96; 95% CI: 2.02 to 12.14; p < 0.001) and AA (RR, 2.55; 95% CI: 1.47 to 4.44); p = 0.01) were significantly higher with sarcoidosis respectively compared to non-sarcoidosis. Conclusion Incidence of VT, HF and AA was significantly higher in patients with CS. Clinicians should be aware of these adverse cardiovascular events associated with sarcoidosis.
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Li Y, Jiang J, Wang H. Application value of ultrasound elastography in the diagnosis of pediatric surgical biliary atresia. Transl Pediatr 2022; 11:1433-1434. [PMID: 36072529 PMCID: PMC9442211 DOI: 10.21037/tp-2022-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 08/19/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Yanqiang Li
- Department of Pediatric Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jinghua Jiang
- Department of Ultrasound Medicine, The Third Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hong Wang
- Department of Pediatric Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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166
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Ungprasert P, Sukpornchairak P, Moss BP, Ribeiro Neto ML, Culver DA. Neurosarcoidosis: an update on diagnosis and therapy. Expert Rev Neurother 2022; 22:695-705. [PMID: 35914766 DOI: 10.1080/14737175.2022.2108705] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Clinically overt granulomatous involvement of the nervous system (i.e., neurosarcoidosis) can be seen in up to 10% of patients with sarcoidosis. Establishing a diagnosis of neurosarcoidosis is often challenging due to the heterogeneity of clinical presentations that are sometimes non-specific, and inaccessibility of tissue confirmation. Recommended treatments are based on expert opinions that are derived from clinical experience and limited data from retrospective studies, as data from randomized controlled studies are limited. AREA COVERED In this article, we comprehensively review all available literature on epidemiology, clinical presentations, diagnosis, treatment, and outcomes of neurosarcoidosis. We also offer our opinions on diagnostic approach and treatment strategy. EXPERT OPINION Given the invasive nature and the limited sensitivity of biopsy of the nervous system, diagnosis of neurosarcoidosis is usually made when ancillary tests (such as magnetic resonance imaging and cerebrospinal fluid analysis) are compatible, and alternative diagnoses are reasonably excluded in patients with established extraneural sarcoidosis. Several factors must be taken into consideration to formulate the initial treatment strategy, including the extent of the disease, severity, functional impairment, comorbidities and patient's preference. In addition, treatment regimen of neurosarcoidosis should be formulated with an emphasis on long-term strategy.
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Affiliation(s)
- Patompong Ungprasert
- Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, OH, USA
| | - Persen Sukpornchairak
- Department of Neurology, Neurological Institute, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Brandon P Moss
- Cleveland Clinic, Neurologic Institute, Cleveland, OH, USA
| | - Manuel L Ribeiro Neto
- Department of Pulmonary Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Daniel A Culver
- Department of Pulmonary Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA
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167
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Abstract
Renal sarcoidosis (RS) is a rare form of sarcoidosis that results in granulomatous inflammation of renal parenchyma. We describe the epidemiology, pathogenesis, clinical features, diagnostic approach, treatment strategies and outcomes of this condition. RS occurs most commonly at the time of initial presentation of sarcoidosis but can at any time along the course of the disease. The most common presenting clinical manifestations of RS are renal insufficiency or signs of general systemic inflammation. End-stage renal disease requiring dialysis is a rare initial presentation of RS. The diagnosis of RS should be considered in patients who present with renal failure and have either a known diagnosis of sarcoidosis or have extra-renal features consistent with sarcoidosis. A renal biopsy helps to establish the diagnosis of RS, with interstitial non-caseating granulomas confined primarily to the renal cortex being the hallmark pathological finding. However, these histologic findings are not specific for sarcoidosis, and alternative causes for granulomatous inflammation of the renal parenchyma should be excluded. Corticosteroids are the drug of choice for RS. Although RS usually responds well to corticosteroids, the disease may have a chronic course and require long-term immunosuppressive therapy. The risk of progression to ESRD is rare.
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168
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Carbone RG, Penna D, Monselise A, Puppo F. Systemic sarcoidosis with pituitary adenoma. J Clin Imaging Sci 2022; 12:32. [PMID: 35769093 PMCID: PMC9235429 DOI: 10.25259/jcis_43_2022] [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: 04/13/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022] Open
Abstract
Involvement of the nervous system with sarcoidosis is seen clinically in approximately 5-15% of cases. In most cases, lesions are localized to the leptomeninges and cranial nerves, and rarely to the pituitary gland, leading to endocrinologic abnormalities. We report on an original clinical case demonstrating the effectiveness of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) scan in the diagnosis and monitoring of systemic sarcoidosis with probable pituitary involvement.
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Affiliation(s)
- Roberto G Carbone
- Department of Internal Medicine, University of Genoa, Viale Benedetto XV, Genoa, Italy
| | - Daniele Penna
- Department of Nuclear Medicine, Affidea IRMET, Turin, Italy
| | - Assaf Monselise
- Department of Internal Medicine, Clalit Heath Services, Tel Aviv, Israel
| | - Francesco Puppo
- Department of Internal Medicine, University of Genoa, Viale Benedetto XV, Genoa, Italy
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169
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Strykowski R, Patel DC, Neto MR, Hena KM, Gulati M, Maier LIA, Patterson K. Rationale and design of the SARCoidosis Outcomes in all respiratory Viral Infectious Diseases (SARCOVID) Study. BMJ Open Respir Res 2022; 9:9/1/e001254. [PMID: 35882424 PMCID: PMC9329732 DOI: 10.1136/bmjresp-2022-001254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/11/2022] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Respiratory infections are ubiquitous. The COVID-19 pandemic has refocused our attention on how morbid and potentially fatal they can be, and how host factors have an impact on the clinical course and outcomes. Due to a range of vulnerabilities, patients with sarcoidosis may be at higher risk of poor outcomes from respiratory infections. The objective of the SARCoidosis Outcomes in all respiratory Viral Infectious Diseases (SARCOVID) Study is to determine the short-term and long-term impacts of respiratory viral illnesses (COVID-19 and non-COVID-19) in sarcoidosis. METHODS AND ANALYSIS Up to 20 clinical sites across the USA are participating in the recruitment of 2000 patients for this observational, prospective study. To ensure that the study cohort is representative of the general population with sarcoidosis, participating sites include those dedicated to reaching under-represented minorities or patients from non-urban areas. Baseline data on demographic features, comorbidities, sarcoidosis characteristics and pre-enrolment lung function will be captured at study entry. During this 3-year study, all acute respiratory infectious events (from SARS-CoV-2 and any other respiratory pathogen) will be assessed and recorded at quarterly intervals. The level of required medical care and survival outcomes determine infection severity, and the impact of infection on quality of life measures will be recorded. Post-infection lung function and imaging results will measure the long-term impact on the trajectory of sarcoidosis. Patients will be analysed according to the clinical phenotypes of cardiac and fibrotic pulmonary sarcoidosis. Control groups include non-infected patients with sarcoidosis and patients with non-sarcoidosis interstitial lung disease. ETHICS AND DISSEMINATION Each site received local institutional review board approval prior to enrolling patients, with the consent process determined by local institution standards. Data will be published in a timely manner (goal <12 months) at the conclusion of the 3-year follow-up period and will be made available upon request.
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Affiliation(s)
- Rachel Strykowski
- Department of Medicine, Section of Pulmonary and Critical Care, University of Chicago, Chicago, Illinois, USA
| | - Divya C Patel
- Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of Florida, Gainesville, Florida, USA
| | - Manny Ribeiro Neto
- Pulmonary Medicine, Respiratory Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Kerry M Hena
- Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, New York University, New York, New York, USA
| | - Mridu Gulati
- Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - LIsa A Maier
- Divisions of Cardiology and Pulmonary Medicine, National Jewish Health, Denver, Colorado, USA
| | - Karen Patterson
- Medicine, Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Medicine, Brighton and Sussex Medical School, Brighton, UK
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170
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Abstract
PURPOSE OF REVIEW Cardiac sarcoidosis (CS) is a potentially fatal condition when unrecognized or not treated adequately. The purpose of this review is to provide new strategies to increase clinical recognition of CS and to present an updated overview of the immunosuppressive treatments using most recent data published in the last 18 months. RECENT FINDINGS CS is an increasingly recognized pathology, and its diagnostic is made 20 times more often in the last two decades. Recent studies have shown that imaging alone usually lacks specificity to distinguish CS from other inflammatory cardiomyopathies. However, imaging can be used to increase significantly diagnostic yield of extracardiac and cardiac biopsy. Recent reviews have also demonstrated that nearly 25% of patients will be refractory to standard treatment with prednisone and that combined treatment with a corticosteroid-sparing agent is often necessary for a period that remains undetermined. SUMMARY CS is a complex pathology that should always require a biopsy attempt to have a histological proven diagnosis before starting immunosuppressive therapy consisting of corticosteroids with or without a corticosteroid-sparing agent.
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Affiliation(s)
- Sylvain Lemay
- Department of Cardiology, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, Quebec City, Quebec, Canada
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171
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Mehta P, Redhead G, Nair A, Sparks JA, Porter JC. Can we finally exonerate methotrexate as a factor in causing or exacerbating fibrotic interstitial lung disease in patients with rheumatoid arthritis? Clin Rheumatol 2022; 41:2925-2928. [PMID: 35729371 DOI: 10.1007/s10067-022-06245-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 11/03/2022]
Affiliation(s)
- Puja Mehta
- Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London (UCL), Rayne 9 Building, London, WC1E 6JF, UK. .,Department of Rheumatology, University College London Hospital (UCLH), London, UK.
| | | | - Arjun Nair
- Department of Radiology, University College London Hospital (UCLH), London, UK
| | - Jeffrey A Sparks
- Department of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MB, USA
| | - Joanna C Porter
- Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London (UCL), Rayne 9 Building, London, WC1E 6JF, UK.,Department of Respiratory Medicine, University College London Hospital (UCLH), London, UK
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172
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Analyses of the Efficacy and Safety of Antifibrotic Therapies in Non-IPF Pulmonary Fibrosis, Progressing Despite Management. Ann Am Thorac Soc 2022; 19:904-906. [PMID: 35648081 PMCID: PMC9169120 DOI: 10.1513/annalsats.202204-323ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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173
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Spyropoulos G, Domvri K, Manika K, Fouka E, Kontakiotis T, Papakosta D. Clinical, imaging and functional determinants of sarcoidosis phenotypes in a Greek population. J Thorac Dis 2022; 14:1941-1949. [PMID: 35813723 PMCID: PMC9264090 DOI: 10.21037/jtd-21-1760] [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: 11/05/2021] [Accepted: 04/20/2022] [Indexed: 11/23/2022]
Abstract
Background The aim of the present study was the application of the latest phenotype recommendations in Greek patients, in order to identify specific clinical, imaging and spirometric characteristics, at initial diagnosis of sarcoidosis, related to disease phenotypes. Methods Our cohort included 147 patients coming from Northern Greece, recruited from the Outpatient Sarcoidosis Clinic, of Aristotle University of Thessaloniki. The observation period was 5 years. The Scadding staging system and the World Association of Sarcoidosis and other Granulomatous Disorders (WASOG) Clinical Outcome Status instrument were used. Phenotypes were defined by the latest DELPHI consensus recommendations. Results The following clinical phenotypes were identified: asymptomatic 59%, acute 14.3%, chronic 12.9% and advanced 33.3%. The observed phenotypes were not related to Scadding stages. Lung function decline was in line with phenotype severity. The presence of fibrosis to any extent upon diagnosis differed among phenotypes (asymptomatic 13.8%, acute 38.1%, chronic 57.9%, advanced 61.2%, P<0.001) and was common for relapsing patients (P<0.001). In spontaneously remitting patients, fibrosis upon diagnosis was found less often than in non-remitting patients (P<0.001). Renal involvement was more frequently found in the advanced phenotype (P=0.032). Skin involvement was more common for patients with acute onset (P<0.001) and spontaneous remission (P=0.012). Ocular involvement was mainly found in relapsing patients (P<0.001). Conclusions In our cohort, sarcoidosis clinical phenotypes have certain clinical, imaging and functional characteristics, at initial diagnosis of the disease, which could be assessed in everyday practice.
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Affiliation(s)
- Georgios Spyropoulos
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
| | - Kalliopi Domvri
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
| | - Katerina Manika
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
| | - Evangelia Fouka
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
| | - Theodoros Kontakiotis
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
| | - Despoina Papakosta
- Pulmonary Department, Aristotle University of Thessaloniki, "Georgios Papanikolaou" Hospital, Exohi, Thessaloniki, Greece
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174
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Jamilloux Y, El Jammal T, Bert A, Sève P. [Hydroxychloroquine for non-severe extra-pulmonary sarcoidosis]. Rev Med Interne 2022; 43:406-411. [PMID: 35660263 DOI: 10.1016/j.revmed.2022.04.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 03/11/2022] [Accepted: 04/21/2022] [Indexed: 01/08/2023]
Abstract
Sarcoidosis can develop into a chronic disease in about 30% of cases. When general treatment is indicated, corticosteroids are the first-line treatment. More than one third of patients treated with corticosteroids receive a steroid-sparing agent. Although methotrexate is the most commonly used sparing agent, synthetic antimalarials have been used for more than fifty years on the basis of small, randomised, therapeutic trials. Despite this low level of evidence, chloroquine or more often hydroxychloroquine are used in daily practice, particularly to treat skin, bone and joint sarcoidosis, as well as hypercalcemia and certain types of uveitis. This review summarises the state of knowledge on steroid-sparing therapy in sarcoidosis, particularly in its extra-pulmonary form. These data support the need for good quality therapeutic trials to validate the use of hydroxychloroquine in this specific indication.
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Affiliation(s)
- Y Jamilloux
- Service de médecine interne, hôpital de la Croix-Rousse, Hospices Civils de Lyon, Université Claude Bernard-Lyon 1, 103, grande rue de la Croix Rousse, 69004 Lyon, France; Lyon Immunopathology FEderation (LIFE), Université Claude Bernard-Lyon 1, Lyon, France.
| | - T El Jammal
- Service de médecine interne, hôpital de la Croix-Rousse, Hospices Civils de Lyon, Université Claude Bernard-Lyon 1, 103, grande rue de la Croix Rousse, 69004 Lyon, France
| | - A Bert
- Service de médecine interne, hôpital de la Croix-Rousse, Hospices Civils de Lyon, Université Claude Bernard-Lyon 1, 103, grande rue de la Croix Rousse, 69004 Lyon, France
| | - P Sève
- Service de médecine interne, hôpital de la Croix-Rousse, Hospices Civils de Lyon, Université Claude Bernard-Lyon 1, 103, grande rue de la Croix Rousse, 69004 Lyon, France; Université Claude Bernard-Lyon 1, Research on Healthcare Performance (RESHAPE), Inserm U1290, Lyon, France
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175
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Bilateral Facial Palsy as the Onset of Neurosarcoidosis: A Case Report and a Revision of Literature. NEUROSCI 2022. [DOI: 10.3390/neurosci3020023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Unilateral facial nerve palsy (FNP) is one of the most common cranial mononeuropathies. Among rare etiologies, neurosarcoidosis (NS) can cause bilateral involvement (both recurring and simultaneous) only in 15% to 25% of cases. The rarity of this systemic disease and its clinical heterogeneity, due to granulomatous inflammation that may affect many anatomic substrates, frequently make the diagnosis a real challenge for the clinician. Based on laboratory and instrumental tests, a careful diagnostic algorithm must be adopted to avoid misdiagnosis and delay in treatment. We present a 52-year-old woman with an acute onset of unilateral right FNP, rapidly developing contralateral involvement (simultaneous bilateral FNP). Lung findings pointed towards a systemic disease, and then lymph node biopsy confirmed NS. Corticosteroid therapy was started. After three years of follow-up, the patient is still in remission with a low prednisone dose. We discuss the differential diagnosis of bilateral FNP, focusing on clinical presentation, diagnosis, and treatment of NS. We have performed a literature revision, confirming bilateral FNP, outside Heerfordt syndrome, to be rare and sometimes represent the only neurological manifestation of NS onset.
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176
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Wu JH, Imadojemu S, Caplan AS. The Evolving Landscape of Cutaneous Sarcoidosis: Pathogenic Insight, Clinical Challenges, and New Frontiers in Therapy. Am J Clin Dermatol 2022; 23:499-514. [PMID: 35583850 DOI: 10.1007/s40257-022-00693-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2022] [Indexed: 12/13/2022]
Abstract
Sarcoidosis is a multisystem disorder of unknown etiology characterized by accumulation of granulomas in affected tissue. Cutaneous manifestations are among the most common extrapulmonary manifestations in sarcoidosis and can lead to disfiguring disease requiring chronic therapy. In many patients, skin disease may be the first recognized manifestation of sarcoidosis, necessitating a thorough evaluation for systemic involvement. Although the precise etiology of sarcoidosis and the pathogenic mechanisms leading to granuloma formation, persistence, or resolution remain unclear, recent research has led to significant advances in our understanding of this disease. This article reviews recent advances in epidemiology, sarcoidosis clinical assessment with a focus on the dermatologist's role, disease pathogenesis, and new therapies in use and under investigation for cutaneous and systemic sarcoidosis.
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Affiliation(s)
- Julie H Wu
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, 240 East 38th Street, 11th Floor, New York, NY, 10016, USA
| | - Sotonye Imadojemu
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Avrom S Caplan
- Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, 240 East 38th Street, 11th Floor, New York, NY, 10016, USA.
- New York University Sarcoidosis Program, New York University Grossman School of Medicine, New York, NY, USA.
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177
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McCarthy C, Keane MP. Contemporary Concise Review 2021: Interstitial lung disease. Respirology 2022; 27:539-548. [PMID: 35513341 PMCID: PMC9320947 DOI: 10.1111/resp.14278] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/28/2022] [Indexed: 11/30/2022]
Abstract
The last 2 years have presented previously unforeseen challenges in pulmonary medicine. Despite the significant impact of the SARS‐CoV‐2 pandemic on patients, clinicians and communities, advances in the care and understanding of interstitial lung disease (ILD) continued unabated. Recent studies have led to improved guidelines, better understanding of the role for antifibrotics in fibrosing ILDs, prognostic indicators and novel biomarkers. In this concise contemporary review, we summarize many of the important studies published in 2021, highlighting their relevance and impact to the management and knowledge of ILD.
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Affiliation(s)
- Cormac McCarthy
- Department of Respiratory Medicine, St. Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Dublin, Ireland
| | - Michael P Keane
- Department of Respiratory Medicine, St. Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Dublin, Ireland
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178
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Wälscher J, Wessendorf TE, Darwiche K, Taube C, Bonella F. [Sarcoidosis]. Pneumologie 2022; 76:281-293. [PMID: 35453167 DOI: 10.1055/a-1275-4838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Sarcoidosis is a granulomatous systemic disease of unknown etiology most commonly affecting the lungs and thoracic lymph nodes. The diagnosis is based on typical clinical radiologic appearance and histology with evidence of noncaseating epithelioid cell granulomas without central necrosis. In the acute form, Löfgren's syndrome, histologic confirmation may not be necessary. Approximately half of patients may develop a chronic form, and extrathoracic organ involvement should be investigated during the course. Indications for therapy are based on functional limitations, marked organ-related or systemic symptoms, and life-threatening organ manifestations (cardiac, central nervous system, renal, and ocular sarcoidosis). To date, there is no approved drug therapy for sarcoidosis. Administration of immunosuppressants such as glucocorticosteroids and as add-on or sequential, methotrexate, azathioprine or mycophenolate mofetil is recommended in the currently published international guideline.
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179
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Bindra J, Chopra I, Hayes K, Niewoehner J, Panaccio MP, Wan GJ. Understanding Predictors of Response to Repository Corticotropin Injection Treatment Among Patients With Advanced Symptomatic Sarcoidosis. JOURNAL OF HEALTH ECONOMICS AND OUTCOMES RESEARCH 2022; 9:90-100. [PMID: 35529249 PMCID: PMC9021499 DOI: 10.36469/jheor.2022.33295] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 06/14/2023]
Abstract
Background: Sarcoidosis, an inflammatory systemic granulomatous disease, affects multiple organs and has a diverse clinical course. Repository corticotropin injection (RCI) is an effective treatment for advanced symptomatic sarcoidosis. Since sarcoidosis affects patients differently, treatment response may vary by patient demographic, clinical, and treatment-related characteristics and physician specialty. However, there is a paucity of literature regarding predictors of sarcoidosis treatment response. Objectives: This study investigated predictors of response to RCI treatment. Methods: Post-hoc analysis was conducted using data from a previously published retrospective cross-sectional chart review study among symptomatic sarcoidosis patients ≥18 years of age previously treated with RCI. Outcome improvement 3 months post-RCI treatment was based on the clinician's subjective evaluation and analyzed using adjusted logistic regression. The most influential predictors for each outcome were based on statistical significance (P<.05) and the strength of the relationship assessed by the standardized β coefficients. Results: The top predictors of outcome improvements were as follows. Global health assessment: (1) improvement in current health status influenced by complete RCI compliance, moderate overall symptom severity, and presence of extrapulmonary sites; and (2) improvement in overall symptoms influenced by age, shorter duration since sarcoidosis diagnosis, and complete RCI compliance. Clinical outcomes: (1) lung function improvement influenced by mild weight loss, mild wheezing/coughing, and non-African American race; (2) reduction in pulmonary fibrosis influenced by moderate overall symptom severity, mild wheezing/coughing, and mild weight loss; and (3) reduction in inflammation influenced by physician specialty, completing a course of RCI treatment, and moderate-to-severe night sweats. Patient-related outcomes: (1) reduction in fatigue influenced by physician specialty and moderate-to-severe fatigue; and (2) improvement in quality-of-life influenced by shorter duration since sarcoidosis diagnosis, moderate-to-severe wheezing/coughing, and complete RCI compliance. Corticosteroid discontinuation/reduction was influenced by physician specialty, moderate-to-severe shortness of breath, and comedication use before RCI. Conclusions: RCI may be a better treatment option for patients with more severe disease, primarily those presenting with symptoms. Complete compliance with RCI treatment may improve patients' health and quality of life. Understanding factors that influence RCI effectiveness across different treatment outcomes in real-world clinical practice is important for designing optimal sarcoidosis treatment strategies.
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Affiliation(s)
- Jas Bindra
- Falcon Research Group, North Potomac, MD
| | | | - Kyle Hayes
- Mallinckrodt Pharmaceuticals, Hampton, NJ
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180
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Youn P, Francis RJ, Preston H, Lake F. Subcutaneous sarcoidosis (
Darier–Roussy
sarcoidosis) with extensive disease on positron emission tomography: A case report and review of the literature. Respirol Case Rep 2022; 10:e0949. [PMID: 35433008 PMCID: PMC8995833 DOI: 10.1002/rcr2.949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/08/2022] [Accepted: 03/27/2022] [Indexed: 11/07/2022] Open
Affiliation(s)
- Paul Youn
- Department of Respiratory MedicineSir Charles Gairdner HospitalNedlandsWestern AustraliaAustralia
| | - Roslyn J. Francis
- Department of Nuclear MedicineSir Charles Gairdner HospitalNedlandsWestern AustraliaAustralia
- Medical SchoolUniversity of Western AustraliaNedlandsWestern AustraliaAustralia
| | - Henry Preston
- Fremantle Pathology Pty LtdFremantleWestern AustraliaAustralia
| | - Fiona Lake
- Department of Respiratory MedicineSir Charles Gairdner HospitalNedlandsWestern AustraliaAustralia
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181
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Limongelli G, Adorisio R, Baggio C, Bauce B, Biagini E, Castelletti S, Favilli S, Imazio M, Lioncino M, Merlo M, Monda E, Olivotto I, Parisi V, Pelliccia F, Basso C, Sinagra G, Indolfi C, Autore C. Diagnosis and Management of Rare Cardiomyopathies in Adult and Paediatric Patients. A Position Paper of the Italian Society of Cardiology (SIC) and Italian Society of Paediatric Cardiology (SICP). Int J Cardiol 2022; 357:55-71. [PMID: 35364138 DOI: 10.1016/j.ijcard.2022.03.050] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 12/20/2022]
Abstract
Cardiomyopathies (CMPs) are myocardial diseases in which the heart muscle is structurally and functionally abnormal in the absence of coronary artery disease, hypertension, valvular disease and congenital heart disease sufficient to cause the observed myocardial abnormality. Thought for a long time to be rare diseases, it is now clear that most of the CMPs can be easily observed in clinical practice. However, there is a group of specific heart muscle diseases that are rare in nature whose clinical/echocardiographic phenotypes resemble those of the four classical morphological subgroups of hypertrophic, dilated, restrictive, arrhythmogenic CMPs. These rare CMPs, often but not solely diagnosed in infants and paediatric patients, should be more properly labelled as specific CMPs. Emerging consensus exists that these conditions require tailored investigation and management. Indeed, an appropriate understanding of these conditions is mandatory for early treatment and counselling. At present, however, the multisystemic and heterogeneous presentation of these entities is a challenge for clinicians, and time delay in diagnosis is a significant concern. The aim of this paper is to define practical recommendations for diagnosis and management of the rare CMPs in paediatric or adult age. A modified Delphi method was adopted to grade the recommendations proposed by each member of the writing committee.
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Affiliation(s)
- Giuseppe Limongelli
- Inherited and Rare Cardiovascular Disease Unit, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples, Italy; Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu).
| | - Rachele Adorisio
- Heart Failure, Transplant and Mechanical Cardiocirculatory Support Unit, Department of Pediatric Cardiology and Cardiac Surgery, Heart Lung Transplantation, Bambino Gesù Hospital and Research Institute, Rome, Italy
| | - Chiara Baggio
- Cardiothoracovascular and Medical Surgical and Health Science Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, 34149 Trieste, Italy
| | - Barbara Bauce
- Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu); Department of Cardio-Thoraco-Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Elena Biagini
- Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu); Cardiology Unit, St. Orsola Hospital, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Silvia Castelletti
- Cardiomyopathy Unit and Center for Cardiac Arrhythmias of Genetic Origin, Department of Cardiovascular, Neural and Metabolic Science, Istituto Auxologico Italiano IRCCS, Milan, Italy
| | - Silvia Favilli
- Department of Pediatric Cardiology, Meyer Children's Hospital, Viale Gaetano Pieraccini, 24, 50139 Florence, Italy
| | - Massimo Imazio
- Head of Cardiology, Cardiothoracic Department, University Hospital "Santa Maria della Misericordia", ASUFC, Piazzale Santa Maria della Misericordia 15, Udine 33100, Italy
| | - Michele Lioncino
- Inherited and Rare Cardiovascular Disease Unit, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples, Italy
| | - Marco Merlo
- Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu); Cardiothoracovascular and Medical Surgical and Health Science Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, 34149 Trieste, Italy
| | - Emanuele Monda
- Inherited and Rare Cardiovascular Disease Unit, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples, Italy
| | - Iacopo Olivotto
- Cardiomyopathy Unit, Azienda Ospedaliera Universitaria Careggi and the University of Florence, Florence, Italy
| | - Vanda Parisi
- Cardiology Unit, St. Orsola Hospital, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | | | - Cristina Basso
- Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu); Cardiovascular Pathology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health Azienda Ospedaliera, University of Padua Padova, Italy
| | - Gianfranco Sinagra
- Member of ERN GUARD-HEART (European Reference Network for Rare and Complex Diseases of the Heart; http://guardheart.ern-net.eu); Cardiothoracovascular and Medical Surgical and Health Science Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, 34149 Trieste, Italy
| | - Ciro Indolfi
- Department of Medical and Surgical Sciences, Magna Grecia University, Catanzaro, Italy
| | - Camillo Autore
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Division of Cardiology, Sant'Andrea Hospital, Via di Grottarossa 1035-1039, 00189 Rome, Italy
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182
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Wijsenbeek M, Lee JS, Udwadia Z, Kreuter M. Editorial: Interstitial Lung Disease Around the World. Front Med (Lausanne) 2022; 9:865334. [PMID: 35372425 PMCID: PMC8971624 DOI: 10.3389/fmed.2022.865334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Marlies Wijsenbeek
- Centre of Excellence for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus Medical Centre (MC), University Hospital Rotterdam, Rotterdam, Netherlands
- *Correspondence: Marlies Wijsenbeek
| | - Joyce S. Lee
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | | | - Michael Kreuter
- Center for Interstitial and Rare Lung Diseases & Interdisciplinary Sarcoidosis Expert Center, Pneumology, Thoraxklinik, University of Heidelberg, Heidelberg, Germany
- German Center for Lung Research (TLRC), Heidelberg, Germany
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183
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Mathioudakis AG, Osadnik C, Boots AW, Bradicich M, Bartel S, Gloeckl R, Cruz J. Inspiring stories: the impact that being part of ERS activities can have on a professional career. Breathe (Sheff) 2022; 18:210217. [PMID: 35284021 PMCID: PMC8908876 DOI: 10.1183/20734735.0217-2021] [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: 10/22/2021] [Accepted: 01/18/2022] [Indexed: 11/05/2022] Open
Abstract
In this article, we provide an overview of the impact that being part of the @EuroRespSoc activities can have on a professional career, through the voices of Early Career Members (@EarlyCareerERS) https://bit.ly/32sHNW2.
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Affiliation(s)
- Alexander G Mathioudakis
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester, UK.,North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,These authors contributed equally
| | - Christian Osadnik
- Dept of Physiotherapy, Monash University, Melbourne, Australia.,These authors contributed equally
| | - Agnes W Boots
- Dept of Pharmacology and Toxicology, Maastricht University, Maastricht, The Netherlands.,These authors contributed equally
| | - Matteo Bradicich
- Dept of Pulmonology, University Hospital Zurich, Zurich, Switzerland.,Dept of Internal Medicine, Spital Zollikerberg, Zollikerberg, Switzerland.,These authors contributed equally
| | - Sabine Bartel
- Dept of Pathology and Medical Biology, University of Groningen, Groningen Research Center for Asthma and COPD (GRIAC), University Medical Center Groningen, Groningen, The Netherlands.,These authors contributed equally
| | - Rainer Gloeckl
- Institute for Pulmonary Rehabilitation Research, Schoen Klinik Berchtesgadener Land, Schoenau am Koenigssee, Germany.,Dept of Pulmonary Rehabilitation, Philipps University of Marburg, German Center for Lung Research (DZL), Marburg, Germany.,These authors contributed equally
| | - Joana Cruz
- Center for Innovative Care and Health Technology (ciTechCare), School of Health Sciences (ESSLei), Polytechnic of Leiria, Leiria, Portugal
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184
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Papanikolaou IC, Antonakis E, Pandi A. State-of-the-Art Treatments for Sarcoidosis. Methodist Debakey Cardiovasc J 2022; 18:94-105. [PMID: 35772032 PMCID: PMC9237819 DOI: 10.14797/mdcvj.1068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/01/2022] [Indexed: 11/08/2022] Open
Abstract
Sarcoidosis is a heterogeneous disease with various treatment indications. Although it affects mainly the lungs, sarcoidosis can affect every organ, especially when the disease course is chronic and protracted. Regular patient follow-up is recommended for early recognition of active, ongoing organ-specific granulomatous inflammation to avoid progression to irreversible fibrosis. In this review, we elaborate on treatment indications and various anti-sarcoidosis regimens proven useful in clinical trials. We also review specialized treatment of specific disease manifestations, with a focus on cardiac sarcoidosis. We also report on treatment for special conditions such as fatigue and small fiber neuropathy. Treatment for sarcoidosis is an emerging landscape, with new data complementing the existing knowledge.
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185
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Belperio JA, Shaikh F, Abtin FG, Fishbein MC, Weigt SS, Saggar R, Lynch JP. Diagnosis and Treatment of Pulmonary Sarcoidosis: A Review. JAMA 2022; 327:856-867. [PMID: 35230389 DOI: 10.1001/jama.2022.1570] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
IMPORTANCE Sarcoidosis is an inflammatory granulomatous disease of unknown cause that affects an estimated 2 to 160 people per 100 000 worldwide and can involve virtually any organ. Approximately 10% to 30% of patients with sarcoidosis develop progressive pulmonary disease. OBSERVATION Among patients with pulmonary sarcoidosis, the rate of spontaneous remission without serious sequelae ranges from 10% to 82%. However, lung disease progression occurs in more than 10% of patients and can result in fibrocystic architectural distortion of the lung, which is associated with a mortality rate of 12% to 18% within 5 years. Overall, the mortality rate for sarcoidosis is approximately 7% within a 5-year follow-up period. Worldwide, more than 60% of deaths from sarcoidosis are due to pulmonary involvement; however, more than 70% of deaths from sarcoidosis are due to cardiac involvement in Japan. Up to 70% of patients with advanced pulmonary sarcoidosis develop precapillary pulmonary hypertension, which is associated with a 5-year mortality rate of approximately 40%. Patients with sarcoidosis and precapillary pulmonary hypertension should be treated with therapies such as phosphodiesterase inhibitors and prostacyclin analogues. Although optimal doses of oral glucocorticoids for pulmonary sarcoidosis are unknown, oral prednisone typically starting at a dose of 20 mg/d to 40 mg/d for 2 to 6 weeks is recommended for patients who are symptomatic (cough, dyspnea, and chest pain) and have parenchymal infiltrates and abnormal pulmonary function test results. Oral glucocorticoids can be tapered over 6 to 18 months if symptoms, pulmonary function test results, and radiographs improve. Prolonged use of oral glucocorticoids may be required to control symptoms and stabilize disease. Patients without adequate improvement while receiving a dose of prednisone of 10 mg/d or greater or those with adverse effects due to glucocorticoids may be prescribed immunosuppressive agents, such as methotrexate, azathioprine, or an anti-tumor necrosis factor medication, either alone or with glucocorticoids combined with appropriate microbial prophylaxis for Pneumocystis jiroveci and herpes zoster. Effective treatments are not available for advanced fibrocystic pulmonary disease. CONCLUSIONS AND RELEVANCE Sarcoidosis has a mortality rate of approximately 7% within a 5-year follow-up period. More than 10% of patients with pulmonary sarcoidosis develop progressive disease and more than 60% of deaths are due to advanced pulmonary sarcoidosis. Oral glucocorticoids with or without another immunosuppressive agent are the first-line therapy for symptomatic patients with abnormal pulmonary function test results and lung infiltrates. Patients with sarcoidosis and precapillary pulmonary hypertension should be treated with therapies such as phosphodiesterase inhibitors and prostacyclin analogues.
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Affiliation(s)
- John A Belperio
- Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine, University of California, Los Angeles
| | - Faisal Shaikh
- Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine, University of California, Los Angeles
| | - Fereidoun G Abtin
- Thoracic and Interventional Section, Department of Radiology, David Geffen School of Medicine, University of California, Los Angeles
| | - Michael C Fishbein
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles
| | - S Samuel Weigt
- Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine, University of California, Los Angeles
| | - Rajan Saggar
- Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine, University of California, Los Angeles
| | - Joseph P Lynch
- Division of Pulmonary and Critical Care Medicine, Clinical Immunology, and Allergy, David Geffen School of Medicine, University of California, Los Angeles
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186
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Sève P, Jamilloux Y, Bert A, El Jammal T, Valeyre D. Qu’apportent les nouvelles recommandations sur le diagnostic et le traitement de la sarcoïdose ? Rev Med Interne 2022; 43:199-205. [DOI: 10.1016/j.revmed.2022.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 02/20/2022] [Indexed: 12/25/2022]
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187
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Anti-TNF Induced Sarcoidosis-Like Disease in Rheumatoid Arthritis Patients: Review Cases from the RA UCLouvain Brussels Cohort. Rheumatol Ther 2022; 9:763-770. [PMID: 35133578 PMCID: PMC8964854 DOI: 10.1007/s40744-022-00424-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/11/2022] [Indexed: 12/14/2022] Open
Abstract
Introduction Drug-induced sarcoidosis-like disease is a rare side effect of anti-tumor necrosis factor (anti-TNF) agents in rheumatoid arthritis (RA) patients. The most commonly involved organs in such condition are the lungs, skin, and lymph nodes. The aim of this study is to report the number of cases and the clinical manifestations of sarcoidosis induced by anti-TNF in our RA UCLouvain Brussels cohort. Methods All case records of RA patients ever treated with a TNF inhibitor and presenting anti-TNF induced sarcoidosis in our rheumatology centers from 2000 to 2021 were retrospectively reviewed. Results Our RA UCLouvain Brussels cohort includes 2492 patients. Among them, 697 patients have been or are exposed to a TNF inhibitor. Only four patients with sarcoidosis induced by anti-TNF were identified and reviewed. Patient 1 was classified as incomplete Heerfordt syndrome. Patient 2 was a case of sarcoid-like granulomatosis manifesting as life-threatening hypercalcemia, acute kidney injury and atypical parenchymal pneumopathy. Patients 3 and 4 developed pulmonary sarcoidosis with hilar adenopathies. The TNF inhibitor was etanercept for the first three patients and infliximab for the last one. The time occurrence of sarcoidosis was highly variable after anti-TNF exposure. All patients recovered after glucocorticoid treatment and the discontinuation of the anti-TNF agent. Conclusions This case highlights this rare paradoxical side effect and the variability of the clinical presentation. Further studies should analyze the immunopathology of such conditions.
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188
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Repository Corticotropin Injection for the Treatment of Pulmonary Sarcoidosis: A Narrative Review. Pulm Ther 2022; 8:43-55. [PMID: 35113366 PMCID: PMC8861221 DOI: 10.1007/s41030-022-00181-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/06/2022] [Indexed: 11/08/2022] Open
Abstract
Although corticosteroids are the standard first-line therapy for pulmonary sarcoidosis, long-term and high-dose use of these drugs are associated with increased risk of adverse events and high healthcare utilization costs. Treatment guidelines for pulmonary sarcoidosis indicate that off-label immunomodulators and biologics may be warranted for severe disease. Repository corticotropin injection (RCI, Acthar® Gel), a complex mixture of adrenocorticotropic hormone analogs and other pituitary peptides, is one of only two therapies approved by the US Food and Drug Administration for symptomatic pulmonary sarcoidosis and is recommended by current European Respiratory Society treatment guidelines for use on a case-by-case basis. With its unique anti-inflammatory and immunomodulatory mechanism of action through activation of melanocortin receptors in various cell types, RCI has demonstrated steroid-sparing properties. RCI has a long history of use in autoimmune and inflammatory disorders, with proven safety and efficacy for pulmonary sarcoidosis. In this narrative review, we present the clinical evidence for the safety and efficacy of RCI in the treatment of pulmonary sarcoidosis, identify where RCI falls within the current treatment guidelines, and describe the unique mechanism of action of RCI for promoting anti-inflammatory and immunomodulatory effects.
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189
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Chalmers JD, Kolb M. The evolution of the European Respiratory Journal: adapting in an era of change. Eur Respir J 2022; 59:59/1/2200037. [PMID: 35086842 DOI: 10.1183/13993003.00037-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 11/05/2022]
Affiliation(s)
- James D Chalmers
- Division of Molecular and Clinical Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK
| | - Martin Kolb
- Dept of Respiratory Medicine, Pathology and Molecular Medicine, McMaster University and St Joseph's Healthcare, Hamilton, ON, Canada
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190
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Mangialardi P, Harper R, Albertson TE. The pharmacotherapeutics of sarcoidosis. Expert Rev Clin Pharmacol 2022; 15:51-64. [DOI: 10.1080/17512433.2022.2032657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Patrick Mangialardi
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, School of Medicine, Sacramento, CA
- Department of Veterans Affairs, Northern California Health Care System, Department of Medicine, Mather, CA
| | - Richart Harper
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, School of Medicine, Sacramento, CA
- Department of Veterans Affairs, Northern California Health Care System, Department of Medicine, Mather, CA
| | - Timothy E Albertson
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, School of Medicine, Sacramento, CA
- Department of Veterans Affairs, Northern California Health Care System, Department of Medicine, Mather, CA
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191
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Ljilja A, Radović N, Tekavec-Trkanjec J. A young man with transitory hemiparesis and lung infiltrates. Breathe (Sheff) 2022; 17:210069. [PMID: 35035563 PMCID: PMC8753642 DOI: 10.1183/20734735.0069-2021] [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: 04/28/2021] [Accepted: 10/05/2021] [Indexed: 12/03/2022] Open
Abstract
In patients with neurological symptoms when other neurological causes are excluded, a differential diagnosis of neurosarcoidosis should be considered taking into account the clinical picture, radiological and laboratory findings.https://bit.ly/3oMSBap
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Affiliation(s)
- Anja Ljilja
- Dept of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Niko Radović
- Clinical Dept of Diagnostic and Interventional Radiology, University Hospital Dubrava, Zagreb, Croatia
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192
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Guler SA, Cuevas-Ocaña S, Nasser M, Wuyts WA, Wijsenbeek MS, Froidure A, Bargagli E, Renzoni EA, Veltkamp M, Spagnolo P, Nunes H, McCarthy C, Molina-Molina M, Bonella F, Poletti V, Kreuter M, Antoniou KM, Moor CC. ERS International Congress 2021: highlights from the Interstitial Lung Diseases Assembly. ERJ Open Res 2022; 8:00640-2021. [PMID: 35615418 PMCID: PMC9124869 DOI: 10.1183/23120541.00640-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 12/04/2021] [Indexed: 11/05/2022] Open
Abstract
This article provides an overview of scientific highlights in the field of interstitial lung disease (ILD), presented at the virtual European Respiratory Society Congress 2021. A broad range of topics was discussed this year, ranging from translational and genetic aspects to novel innovations with the potential to improve the patient pathway. Early Career Members summarize a selection of interesting findings from different congress sessions, together with the leadership of Assembly 12 – Interstitial Lung Disease.
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193
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Translational advances of melanocortin drugs: Integrating biology, chemistry and genetics. Semin Immunol 2022; 59:101603. [PMID: 35341670 DOI: 10.1016/j.smim.2022.101603] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 03/10/2022] [Accepted: 03/15/2022] [Indexed: 01/15/2023]
Abstract
Melanocortin receptors have emerged as important targets with a very unusual versatility, as their widespread distribution on multiple tissues (e.g. skin, adrenal glands, brain, immune cells, exocrine glands) together with the variety of physiological processes they control (pigmentation, cortisol release, satiety mechanism, inflammation, secretions), place this family of receptors as genuine therapeutic targets for many disorders. This review focuses in the journey of the development of melanocortin receptors as therapeutic targets from the discovery of their existence in the early 1990 s to the approval of the first few drugs of this class. Two major areas of development characterise the current state of melanocortin drug development: their role in obesity, recently culminated with the approval of setmelanotide, and their potential for the treatment of chronic inflammatory and autoimmune diseases like rheumatoid arthritis, multiple sclerosis or fibrosis. The pro-resolving nature of these drugs offers the advantage of acting by mimicking the way our body naturally resolves inflammation, expecting fewer side effects and a more balanced (i.e. non-immunosuppressive) response from them. Here we also review the approaches followed for the design and development of novel compounds, the importance of the GPCR nature of these receptors in the process of drug development, therapeutic value, current challenges and successes, and the potential for the implementation of precision medicine approaches through the incorporation of genetics advances.
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194
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Harari S, Adir Y, Humbert M. Some take-home messages from the 9th International Meeting on Pulmonary Rare Diseases and Orphan Drugs. Eur Respir Rev 2021; 30:30/162/210258. [PMID: 34937707 PMCID: PMC9488847 DOI: 10.1183/16000617.0258-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 11/30/2021] [Indexed: 12/03/2022] Open
Abstract
Dissemination of updated knowledge on rare and ultra-rare respiratory diseases has always been a priority of the European Respiratory Review (ERR) [1, 2]. In this issue, we publish the first of a collection of four articles that discuss hot topics with direct practical clinical consequences. First, Mackintoshet al. [3] review the challenges and controversies (which are not few!) in “interstitial pneumonia with autoimmune features” (IPAF). Following the publication, in 2015, of the classification of IPAF proposed by the European Respiratory Society (ERS) and the American Thoracic Society (ATS) [4], a number of articles have been published on this entity which truly requires a multidisciplinary approach. Airway and vascular involvement are discussed in detail, as well as the problem of severe vasculopathy that can characterise some IPAF patients. The authors also discuss the controversial issue of the therapeutic approach for this “research entity” and state that “while identification of a histological NSIP pattern would support an immunosuppressive approach, histological confirmation of a UIP pattern would lead to a more cautious approach to immunosuppression, with frequent monitoring and earlier consideration of anti-fibrotic therapy, should there be progression” [3]. The 9th International Meeting on Pulmonary Rare Diseases and Orphan Drugs was dedicated to the management of rare pulmonary parenchymal and vascular diseases and rare variants of more common respiratory conditionshttps://bit.ly/3rq7b95
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Affiliation(s)
- Sergio Harari
- U.O. di Pneumologia e Terapia Semi-Intensiva Respiratoria - Servizio di Fisiopatologia Respiratoria ed Emodinamica Polmonare, Ospedale San Giuseppe - MultiMedica, IRCCS, Milan, Italy .,Dept of Clinical Sciences and Community Health, Università di Milano, Milan, Italy
| | - Yochai Adir
- Pulmonary Division, Lady Davis Carmel Medical Center, Faculty of Medicine, The Technion Institute of Technology, Haifa, Israel
| | - Marc Humbert
- Université Paris-Saclay, Faculté de médecine - Inserm UMR-S 999, Le Kremlin-Bicêtre, France.,Hôpital Marie Lannelongue, Assistance Publique-Hôpitaux de Paris (AP-HP), Le Plessis-Robinson, France.,Service de pneumologie et soins intensifs respiratoires, Centre de référence de l'hypertension pulmonaire, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
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195
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Nienhuis WA, Grutters JC. Potential therapeutic targets to prevent organ damage in chronic pulmonary sarcoidosis. Expert Opin Ther Targets 2021; 26:41-55. [PMID: 34949145 DOI: 10.1080/14728222.2022.2022123] [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] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Sarcoidosis is a granulomatous inflammatory disease with high chances of reduced quality of life, irreversible organ damage, and reduced life expectancy when vital organs are involved. Any organ system can be affected, and the lungs are most often affected. There is no preventive strategy as the exact etiology is unknown, and complex immunogenetic and environmental factors determine disease susceptibility and phenotype. Present-day treatment options originated from clinical practice and are effective in many patients. However, a substantial percentage of patients suffer from unacceptable side effects or still develop refractory, threatening pulmonary or extrapulmonary disease. AREAS COVERED As non-caseating granulomas, the pathological hallmark of disease, are assigned to divergent activation and regulation of the immune system, targets in relation to the possible triggers of granuloma formation and their sequelae were searched and reviewed. EXPERT OPINION :The immunopathogenesis underlying sarcoidosis has been a dynamic field of study. Several recent new insights give way to promising new therapeutic targets, such as certain antigenic triggers (e.g. from Aspergillus nidulans), mTOR, JAK-STAT and PPARγ pathways, the NRP2 receptor and MMP-12, which await further exploration. Clinical and trigger related phenotyping, and molecular endotyping in sarcoidosis will likely hold the key for precision medicine in the future.
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Affiliation(s)
- W A Nienhuis
- ILD Center of Excellence, Department of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands
| | - J C Grutters
- ILD Center of Excellence, Department of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands.,Division of Hearth and Lungs, University Medical Center Utrecht, Utrecht, The Netherlands
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196
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Kahlmann V, Moor CC, Miedema JR, Wijsenbeek MS. Comparison of the treatment guidelines for sarcoidosis: common sense in the search for evidence. Eur Respir J 2021; 59:13993003.03114-2021. [PMID: 34949705 DOI: 10.1183/13993003.03114-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/12/2021] [Indexed: 11/05/2022]
Affiliation(s)
- Vivienne Kahlmann
- Academic Centre of Excellence for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Catharina C Moor
- Academic Centre of Excellence for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Jelle R Miedema
- Academic Centre of Excellence for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Marlies S Wijsenbeek
- Academic Centre of Excellence for Interstitial Lung Diseases and Sarcoidosis, Department of Respiratory Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
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197
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Comes A, Sgalla G, Perrotta A, Richeldi L. Advances with pharmacotherapy for the treatment of interstitial lung disease. Expert Opin Pharmacother 2021; 23:483-495. [PMID: 34907821 DOI: 10.1080/14656566.2021.2016697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION In recent decades, the primary focus of pharmaceutical research in interstitial lung diseases (ILD) has been on idiopathic pulmonary fibrosis (IPF). Recently, pharmaceutical development has also focused on other forms of ILDs, including connective tissue diseases associated ILD, fibrotic hypersensitivity pneumonitis, and sarcoidosis. AREAS COVERED The authors summarize the advances in pharmacotherapy for the treatment of ILD. Specifically, the authors review the most recent studies and discuss the most recent research findings and future prospects. EXPERT OPINION Data collected over the past years have confirmed the efficacy of antifibrotic drugs on slowing disease progression in IPF. The usual strategy for CTD-ILD management is represented by the combined use of corticosteroids and immunosuppressive agents. There is an urgent need for new target therapies. The concept of progressive fibrosing ILD has emerged in the ILD community in recent years, which has led to grouping several diseases with a common disease behavior to find an effective treatment . At present, selecting the best therapy in ILDs should be reasonably performed on a case-by-case basis through a multidisciplinary team discussion in tertiary ILD centers, taking into consideration patients' symptoms, lung functional trends, and radiological changes.
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Affiliation(s)
- Alessia Comes
- Dipartimento Di Scienze Mediche E Chirurgiche, Unità Operativa Complessa Di Pneumologia, Fondazione Policlinico Universitario Agostino Gemelli, Irccs, Rome, Italy
| | - Giacomo Sgalla
- Dipartimento Di Scienze Mediche E Chirurgiche, Unità Operativa Complessa Di Pneumologia, Fondazione Policlinico Universitario Agostino Gemelli, Irccs, Rome, Italy
| | - Alessandro Perrotta
- Dipartimento Di Scienze Mediche E Chirurgiche, Unità Operativa Complessa Di Pneumologia, Fondazione Policlinico Universitario Agostino Gemelli, Irccs, Rome, Italy
| | - Luca Richeldi
- Dipartimento Di Scienze Mediche E Chirurgiche, Unità Operativa Complessa Di Pneumologia, Fondazione Policlinico Universitario Agostino Gemelli, Irccs, Rome, Italy
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198
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Manabe O, Oyama-Manabe N, Aikawa T, Tsuneta S, Tamaki N. Advances in Diagnostic Imaging for Cardiac Sarcoidosis. J Clin Med 2021; 10:jcm10245808. [PMID: 34945105 PMCID: PMC8704832 DOI: 10.3390/jcm10245808] [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: 11/11/2021] [Revised: 12/05/2021] [Accepted: 12/09/2021] [Indexed: 11/16/2022] Open
Abstract
Sarcoidosis is a systemic granulomatous disease of unknown etiology, and its clinical presentation depends on the affected organ. Cardiac sarcoidosis (CS) is one of the leading causes of death among patients with sarcoidosis. The clinical manifestations of CS are heterogeneous, and range from asymptomatic to life-threatening arrhythmias and progressive heart failure due to the extent and location of granulomatous inflammation in the myocardium. Advances in imaging techniques have played a pivotal role in the evaluation of CS because histological diagnoses obtained by myocardial biopsy tend to have lower sensitivity. The diagnosis of CS is challenging, and several approaches, notably those using positron emission tomography and cardiac magnetic resonance imaging (MRI), have been reported. Delayed-enhanced computed tomography (CT) may also be used for diagnosing CS in patients with MRI-incompatible devices and allows acceptable evaluation of myocardial hyperenhancement in such patients. This article reviews the advances in imaging techniques for the evaluation of CS.
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Affiliation(s)
- Osamu Manabe
- Department of Radiology, Jichi Medical University Saitama Medical Center, Saitama 330-8503, Japan; (O.M.); (T.A.)
| | - Noriko Oyama-Manabe
- Department of Radiology, Jichi Medical University Saitama Medical Center, Saitama 330-8503, Japan; (O.M.); (T.A.)
- Correspondence: ; Tel.: +81-48-647-2111
| | - Tadao Aikawa
- Department of Radiology, Jichi Medical University Saitama Medical Center, Saitama 330-8503, Japan; (O.M.); (T.A.)
| | - Satonori Tsuneta
- Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo 060-8648, Japan;
| | - Nagara Tamaki
- Department of Radiology, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan;
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199
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Carbone RG, Villa G, Negrini S, Puppo F. In-111 octreotide SPECT/CT in the early diagnosis of pulmonary sarcoidosis: A case report. Radiol Case Rep 2021; 17:340-343. [PMID: 34876962 PMCID: PMC8633517 DOI: 10.1016/j.radcr.2021.10.040] [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: 10/11/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 11/17/2022] Open
Abstract
Sarcoidosis is a granulomatous disease of unknown etiology. At present the best diagnostic imaging procedure to assess stage and activity of sarcoidosis is controversial. We report the case of a 50-year-old male admitted with a history of dyspnea and fatigue with past medical history negative for smoking, occupational and environmental risk factors. Physical examination, routine blood tests, and pulmonary function tests were normal except for hypercalciuria. A chest radiograph showed bilateral hilar lymphadenopathy. Single photon emission computed tomography and/or computed tomography (SPECT and/or CT) In-111 Octreotide (Octreoscan) scintigraphy confirmed morphologic involvement of bilateral hilar lymph nodes and a mediastinoscopy biopsy specimen provided diagnosis of pulmonary sarcoidosis (stage 0). This clinical case shows the effectiveness of In-111 Octreotide SPECT and/or CT in the early diagnosis of pulmonary sarcoidosis.
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Affiliation(s)
| | | | - Simone Negrini
- Departments of Internal Medicine, University of Genoa, Genoa, Italy
| | - Francesco Puppo
- Departments of Internal Medicine, University of Genoa, Genoa, Italy
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200
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Zhang H, Costabel U, Dai H. The Role of Diverse Immune Cells in Sarcoidosis. Front Immunol 2021; 12:788502. [PMID: 34868074 PMCID: PMC8640342 DOI: 10.3389/fimmu.2021.788502] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/04/2021] [Indexed: 12/19/2022] Open
Abstract
Sarcoidosis is a systemic inflammatory disorder of unknown etiology characterized by tissue infiltration with macrophages and lymphocytes and associated non-caseating granuloma formation. The disease primarily affects the lungs. Patients suffering from sarcoidosis show a wide range of clinical symptoms, natural history and disease outcomes. Originally described as a Th1-driven disease, sarcoidosis involves a complex interplay among diverse immune cells. This review highlights recent advances in the pathogenesis of sarcoidosis, with emphasis on the role of different immune cells. Accumulative evidence suggests Th17 cells, IFN-γ-producing Th17 cells or Th17.1 cells, and regulatory T (Treg) cells play a critical role. However, their specific actions, whether protective or pathogenic, remain to be clarified. Macrophages are also involved in granuloma formation, and M2 polarization may be predictive of fibrosis. Previously neglected cells including B cells, dendritic cells (DCs), natural killer (NK) cells and natural killer T (NKT) cells were studied more recently for their contribution to sarcoid granuloma formation. Despite these advances, the pathogenesis remains incompletely understood, indicating an urgent need for further research to reveal the distinct immunological events in this process, with hope to open up new therapeutic avenues and if possible, to develop preventive measures.
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Affiliation(s)
- Hui Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Peking Union Medical College, Beijing, China
| | - Ulrich Costabel
- Center for Interstitial and Rare Lung Diseases, Pneumology Department, Ruhrlandklinik, University Hospital, Essen, Germany
| | - Huaping Dai
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.,National Center for Respiratory Medicine, Beijing, China.,Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.,National Clinical Research Center for Respiratory Diseases, Beijing, China
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