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Ali Z, Alturise F, Alkhalifah T, Khan YD. IGPred-HDnet: Prediction of Immunoglobulin Proteins Using Graphical Features and the Hierarchal Deep Learning-Based Approach. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2023; 2023:2465414. [PMID: 36744119 PMCID: PMC9891831 DOI: 10.1155/2023/2465414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/16/2022] [Accepted: 10/12/2022] [Indexed: 01/26/2023]
Abstract
Motivation. Immunoglobulin proteins (IGP) (also called antibodies) are glycoproteins that act as B-cell receptors against external or internal antigens like viruses and bacteria. IGPs play a significant role in diverse cellular processes ranging from adhesion to cell recognition. IGP identifications via the in-silico approach are faster and more cost-effective than wet-lab technological methods. Methods. In this study, we developed an intelligent theoretical deep learning framework, "IGPred-HDnet" for the discrimination of IGPs and non-IGPs. Three types of promising descriptors are feature extraction based on graphical and statistical features (FEGS), amphiphilic pseudo-amino acid composition (Amp-PseAAC), and dipeptide composition (DPC) to extract the graphical, physicochemical, and sequential features. Next, the extracted attributes are evaluated through machine learning, i.e., decision tree (DT), support vector machine (SVM), k-nearest neighbour (KNN), and hierarchical deep network (HDnet) classifiers. The proposed predictor IGPred-HDnet was trained and tested using a 10-fold cross-validation and independent test. Results and Conclusion. The success rates in terms of accuracy (ACC) and Matthew's correlation coefficient (MCC) of IGPred-HDnet on training and independent dataset (Dtrain Dtest) are ACC = 98.00%, 99.10%, and MCC = 0.958, and 0.980 points, respectively. The empirical outcomes demonstrate that the IGPred-HDnet model efficacy on both datasets using the novel FEGS feature and HDnet algorithm achieved superior predictions to other existing computational models. We hope this research will provide great insights into the large-scale identification of IGPs and pharmaceutical companies in new drug design.
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Affiliation(s)
- Zakir Ali
- Department of Computer Science, School of Science and Technology, University of Management and Technology, Lahore, Pakistan
| | - Fahad Alturise
- Department of Computer, College of Science and Arts in Ar Rass, Qassim University, Ar Rass, Qassim, Saudi Arabia
| | - Tamim Alkhalifah
- Department of Computer, College of Science and Arts in Ar Rass, Qassim University, Ar Rass, Qassim, Saudi Arabia
| | - Yaser Daanial Khan
- Department of Computer Science, School of Science and Technology, University of Management and Technology, Lahore, Pakistan
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2
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Ujiie H, Rosmarin D, Schön MP, Ständer S, Boch K, Metz M, Maurer M, Thaci D, Schmidt E, Cole C, Amber KT, Didona D, Hertl M, Recke A, Graßhoff H, Hackel A, Schumann A, Riemekasten G, Bieber K, Sprow G, Dan J, Zillikens D, Sezin T, Christiano AM, Wolk K, Sabat R, Kridin K, Werth VP, Ludwig RJ. Unmet Medical Needs in Chronic, Non-communicable Inflammatory Skin Diseases. Front Med (Lausanne) 2022; 9:875492. [PMID: 35755063 PMCID: PMC9218547 DOI: 10.3389/fmed.2022.875492] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/09/2022] [Indexed: 12/15/2022] Open
Abstract
An estimated 20-25% of the population is affected by chronic, non-communicable inflammatory skin diseases. Chronic skin inflammation has many causes. Among the most frequent chronic inflammatory skin diseases are atopic dermatitis, psoriasis, urticaria, lichen planus, and hidradenitis suppurativa, driven by a complex interplay of genetics and environmental factors. Autoimmunity is another important cause of chronic skin inflammation. The autoimmune response may be mainly T cell driven, such as in alopecia areata or vitiligo, or B cell driven in chronic spontaneous urticaria, pemphigus and pemphigoid diseases. Rare causes of chronic skin inflammation are autoinflammatory diseases, or rheumatic diseases, such as cutaneous lupus erythematosus or dermatomyositis. Whilst we have seen a significant improvement in diagnosis and treatment, several challenges remain. Especially for rarer causes of chronic skin inflammation, early diagnosis is often missed because of low awareness and lack of diagnostics. Systemic immunosuppression is the treatment of choice for almost all of these diseases. Adverse events due to immunosuppression, insufficient therapeutic responses and relapses remain a challenge. For atopic dermatitis and psoriasis, a broad spectrum of innovative treatments has been developed. However, treatment responses cannot be predicted so far. Hence, development of (bio)markers allowing selection of specific medications for individual patients is needed. Given the encouraging developments during the past years, we envision that many of these challenges in the diagnosis and treatment of chronic inflammatory skin diseases will be thoroughly addressed in the future.
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Affiliation(s)
- Hideyuki Ujiie
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - David Rosmarin
- Department of Dermatology, Tufts Medical Center, Boston, MA, United States
| | - Michael P Schön
- Department of Dermatology, Venereology and Allergology, University Medical Center Göttingen, Göttingen, Germany.,Lower Saxony Institute of Occupational Dermatology, University Medical Center Göttingen, Göttingen, Germany
| | - Sonja Ständer
- Center for Chronic Pruritus, Department of Dermatology, University Hospital Muenster, Muenster, Germany
| | - Katharina Boch
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Martin Metz
- Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.,Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Allergology and Immunology, Berlin, Germany
| | - Marcus Maurer
- Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.,Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Allergology and Immunology, Berlin, Germany
| | - Diamant Thaci
- Institute and Comprehensive Center for Inflammation Medicine, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany
| | - Connor Cole
- Division of Dermatology, Rush University Medical Center, Chicago, IL, United States.,Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Kyle T Amber
- Division of Dermatology, Rush University Medical Center, Chicago, IL, United States.,Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Dario Didona
- Department of Dermatology and Allergology, Philipps-Universität, Marburg, Germany
| | - Michael Hertl
- Department of Dermatology and Allergology, Philipps-Universität, Marburg, Germany
| | - Andreas Recke
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Hanna Graßhoff
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Alexander Hackel
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Anja Schumann
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Gabriela Riemekasten
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Katja Bieber
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany
| | - Gant Sprow
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, United States
| | - Joshua Dan
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, United States
| | - Detlef Zillikens
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Tanya Sezin
- Department of Dermatology, Columbia University Medical Center, New York, NY, United States
| | - Angela M Christiano
- Department of Dermatology, Columbia University Medical Center, New York, NY, United States
| | - Kerstin Wolk
- Psoriasis Research and Treatment Centre, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Robert Sabat
- Psoriasis Research and Treatment Centre, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Interdisciplinary Group Molecular Immunopathology, Dermatology/Medical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Khalaf Kridin
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany.,Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - Victoria P Werth
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, United States
| | - Ralf J Ludwig
- Department of Dermatology, University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany
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3
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Vieitez Frade J, Filipe P. Lupus erythematosus: management of cutaneous manifestations during pregnancy. Dermatol Ther 2022; 35:e15486. [PMID: 35373415 DOI: 10.1111/dth.15486] [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] [Received: 10/27/2021] [Revised: 02/19/2022] [Accepted: 03/31/2022] [Indexed: 11/29/2022]
Abstract
Lupus erythematosus is an autoimmune disease that often affects the skin. Cutaneous manifestations are generally subdivided into different subtypes, including acute, subacute and chronic courses. Management of lupus erythematosus cutaneous manifestations during pregnancy remains a clinical challenge until nowadays. To date, no recommendations have been published specifically for the treatment of this condition in pregnant women, so therapeutic strategies are mainly based on recommendations for general population and other rheumatologic and dermatologic diseases during pregnancy. This challenge is compounded by a lack of evidence-based studies, as clinical trials in pregnant women are considered unethical in many circumstances, so data are often extrapolated from low-evidence sources. The aim of this article consists in review currently evidence of treatment of lupus erythematosus cutaneous lesion in pregnant women. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Joana Vieitez Frade
- Dermatology and Venereology Department, North Lisbon University Hospital Center, Lisbon, Portugal
| | - Paulo Filipe
- Dermatology and Venereology Department, North Lisbon University Hospital Center, Lisbon, Portugal.,Dermatology Investigation Unit, Institute of Molecular Medicine, Faculty of Medicine of the University of Lisbon, Lisbon, Portugal.,University Department of Dermatology, Faculty of Medicine of the University of Lisbon, Lisbon, Portugal
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4
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Skudalski L, Shahriari N, Torre K, Santiago S, Bibb L, Kodomudi V, Grant-Kels JM, Lu J. Emerging Therapeutics in the Management of Connective Tissue Disease. Part I. Lupus Erythematosus and Sjögren's Syndrome. J Am Acad Dermatol 2022; 87:1-18. [PMID: 35202775 DOI: 10.1016/j.jaad.2021.12.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/01/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022]
Abstract
The management of connective tissue diseases is dramatically evolving with the advent of biologics and novel oral systemic therapeutics. Despite involvement in the care of these complex patients, there is a knowledge gap in the field of dermatology regarding these emerging agents. The first article in this continuing medical education series discusses new and emerging therapeutics for lupus erythematosus and Sjögren's syndrome that target cells, intracellular signaling pathways, and cytokines.
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Affiliation(s)
| | - Neda Shahriari
- Department of Dermatology, Brigham and Women's Hospital; Harvard Medical School, Boston, MA
| | - Kristin Torre
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Sueheidi Santiago
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Lorin Bibb
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Vijay Kodomudi
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Jane M Grant-Kels
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT
| | - Jun Lu
- Department of Dermatology, University of Connecticut Health Center, Farmington, CT.
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5
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Accurate prediction of immunoglobulin proteins using machine learning model. INFORMATICS IN MEDICINE UNLOCKED 2022. [DOI: 10.1016/j.imu.2022.100885] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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6
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Affiliation(s)
- Vicenç Torrente-Segarra
- Rheumatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain 2Dermatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain
| | - Laura Peramiquel
- Rheumatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain Dermatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain
| | - Maria Bonet
- Rheumatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain Dermatology Department, Hospital Consorci Sanitari Alt Penedès Garraf (CSAPG), Vilafranca del Penedès, Spain
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7
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Pelka K, Matyja-Bednarczyk A, Wojas-Pelc A, Pastuszczak M. Hydroxychloroquine does not impair antibody response to 13-valent pneumococcal conjugate vaccine in patients with cutaneous lupus erythematosus-A pilot study. Dermatol Ther 2021; 34:e15013. [PMID: 34056799 DOI: 10.1111/dth.15013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/13/2021] [Accepted: 05/24/2021] [Indexed: 11/28/2022]
Abstract
Pneumococcal pneumonia is an important cause of morbidity and mortality among patients with lupus erythematosus. Therefore, a vaccination against pneumococcal infections prior to the immunosuppressive therapy is strongly recommended in these patients. Antimalarials are the standard first-line systemic therapy for cutaneous lupus erythematosus (CLE). However, as many as 50% of CLE patients can be recalcitrant to this treatment and may require more intense immunosuppressive management such as for example, methotrexate, mycophenolate mofetil or azathioprine. The main aim of the current study was to assess the immunogenicity of the pneumococcal conjugate vaccine (PCV) in patients with CLE receiving hydroxychloroquine (HCQ) for at least 6 months prior to the study entry. Twenty patients with CLE but not systemic lupus erythematosus (SLE) who were receiving HCQ and five age- and sex-matched healthy volunteers were included in this study. All individuals were vaccinated with 13-valent PCV. Levels of anti-pneumococcal capsular polysaccharide (anti-PCP) IgM and IgG antibodies were measured before and 6 weeks after vaccination. Anti-PCP IgM and IgG levels increased significantly in both CLE and controls upon vaccination (p < 0.0001 and p < 0.05, respectively). Ninety-five percentage of CLE patients and 80% of healthy volunteers achieved at least 2-fold increase in levels of anti-PCP IgG upon vaccination. Vaccination was good tolerated in both groups. The CLE activity score before vaccination was not modified thereafter. Hydroxychloroquine does not impair immune response to PCV13. The time period when patients with CLE are receiving HCQ could be used for immunization before more intense immunosuppressive therapy would be initiated.
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Affiliation(s)
- Karolina Pelka
- Department of Dermatology, Jagiellonian University Medical College, Cracow, Poland
| | | | - Anna Wojas-Pelc
- Department of Dermatology, Jagiellonian University Medical College, Cracow, Poland
| | - Maciej Pastuszczak
- Department of Dermatology, Jagiellonian University Medical College, Cracow, Poland
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8
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Hannon CW, McCourt C, Lima HC, Chen S, Bennett C. Interventions for cutaneous disease in systemic lupus erythematosus. Cochrane Database Syst Rev 2021; 3:CD007478. [PMID: 33687069 PMCID: PMC8092459 DOI: 10.1002/14651858.cd007478.pub2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Lupus erythematosus is an autoimmune disease with significant morbidity and mortality. Cutaneous disease in systemic lupus erythematosus (SLE) is common. Many interventions are used to treat SLE with varying efficacy, risks, and benefits. OBJECTIVES To assess the effects of interventions for cutaneous disease in SLE. SEARCH METHODS We searched the following databases up to June 2019: the Cochrane Skin Specialised Register, CENTRAL, MEDLINE, Embase, Wiley Interscience Online Library, and Biblioteca Virtual em Saude (Virtual Health Library). We updated our search in September 2020, but these results have not yet been fully incorporated. SELECTION CRITERIA We included randomised controlled trials (RCTs) of interventions for cutaneous disease in SLE compared with placebo, another intervention, no treatment, or different doses of the same intervention. We did not evaluate trials of cutaneous lupus in people without a diagnosis of SLE. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. Primary outcomes were complete and partial clinical response. Secondary outcomes included reduction (or change) in number of clinical flares; and severe and minor adverse events. We used GRADE to assess the quality of evidence. MAIN RESULTS Sixty-one RCTs, involving 11,232 participants, reported 43 different interventions. Trials predominantly included women from outpatient clinics; the mean age range of participants was 20 to 40 years. Twenty-five studies reported baseline severity, and 22 studies included participants with moderate to severe cutaneous lupus erythematosus (CLE); duration of CLE was not well reported. Studies were conducted mainly in multi-centre settings. Most often treatment duration was 12 months. Risk of bias was highest for the domain of reporting bias, followed by performance/detection bias. We identified too few studies for meta-analysis for most comparisons. We limited this abstract to main comparisons (all administered orally) and outcomes. We did not identify clinical trials of other commonly used treatments, such as topical corticosteroids, that reported complete or partial clinical response or numbers of clinical flares. Complete clinical response Studies comparing oral hydroxychloroquine against placebo did not report complete clinical response. Chloroquine may increase complete clinical response at 12 months' follow-up compared with placebo (absence of skin lesions) (risk ratio (RR) 1.57, 95% confidence interval (CI) 0.95 to 2.61; 1 study, 24 participants; low-quality evidence). There may be little to no difference between methotrexate and chloroquine in complete clinical response (skin rash resolution) at 6 months' follow-up (RR 1.13, 95% CI 0.84 to 1.50; 1 study, 25 participants; low-quality evidence). Methotrexate may be superior to placebo with regard to complete clinical response (absence of malar/discoid rash) at 6 months' follow-up (RR 3.57, 95% CI 1.63 to 7.84; 1 study, 41 participants; low-quality evidence). At 12 months' follow-up, there may be little to no difference between azathioprine and ciclosporin in complete clinical response (malar rash resolution) (RR 0.83, 95% CI 0.46 to 1.52; 1 study, 89 participants; low-quality evidence). Partial clinical response Partial clinical response was reported for only one key comparison: hydroxychloroquine may increase partial clinical response at 12 months compared to placebo, but the 95% CI indicates that hydroxychloroquine may make no difference or may decrease response (RR 7.00, 95% CI 0.41 to 120.16; 20 pregnant participants, 1 trial; low-quality evidence). Clinical flares Clinical flares were reported for only two key comparisons: hydroxychloroquine is probably superior to placebo at 6 months' follow-up for reducing clinical flares (RR 0.49, 95% CI 0.28 to 0.89; 1 study, 47 participants; moderate-quality evidence). At 12 months' follow-up, there may be no difference between methotrexate and placebo, but the 95% CI indicates there may be more or fewer flares with methotrexate (RR 0.77, 95% CI 0.32 to 1.83; 1 study, 86 participants; moderate-quality evidence). Adverse events Data for adverse events were limited and were inconsistently reported, but hydroxychloroquine, chloroquine, and methotrexate have well-documented adverse effects including gastrointestinal symptoms, liver problems, and retinopathy for hydroxychloroquine and chloroquine and teratogenicity during pregnancy for methotrexate. AUTHORS' CONCLUSIONS Evidence supports the commonly-used treatment hydroxychloroquine, and there is also evidence supporting chloroquine and methotrexate for treating cutaneous disease in SLE. Evidence is limited due to the small number of studies reporting key outcomes. Evidence for most key outcomes was low or moderate quality, meaning findings should be interpreted with caution. Head-to-head intervention trials designed to detect differences in efficacy between treatments for specific CLE subtypes are needed. Thirteen further trials are awaiting classification and have not yet been incorporated in this review; they may alter the review conclusions.
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Affiliation(s)
- Cora W Hannon
- Dermatologist, Masters of Public Health Program, Harvard School of Public Health, Boston, Massachusetts, USA
| | | | - Hermenio C Lima
- Department of Dermatology, Clinical Unit for Research Trials and Outcomes in Skin (CURTIS), Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Suephy Chen
- Emory University Hospital, Emory Healthcare, Atlanta, Georgia, USA
| | - Cathy Bennett
- Office of Research and Innovation, Royal College of Surgeons in Ireland Coláiste Ríoga na Máinleá in Éirinn, Dublin, Ireland
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9
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Chakka S, Krain RL, Concha JSS, Chong BF, Merola JF, Werth VP. The CLASI, a validated tool for the evaluation of skin disease in lupus erythematosus: a narrative review. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:431. [PMID: 33842652 PMCID: PMC8033342 DOI: 10.21037/atm-20-5048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Cutaneous lupus erythematosus (CLE) can present with or without features of systemic lupus erythematosus (SLE), with estimates of the incidence of isolated skin disease almost equaling the incidence of those with systemic disease. However, despite the impact CLE has on a patient’s quality of life (QoL), there has been no US Food and Drug Administration (FDA) approved treatment for the disease in the past 50 years. In addition, patients with skin predominant LE are often excluded from clinical SLE trials. In the rare trials that include patients with skin predominant LE, disease activity and progression in the skin are often difficult to evaluate using multi-organ outcome measures. The need for new therapies for CLE and the lack of focus on skin outcomes has led to the development of the Cutaneous Lupus Disease Area and Severity Index (CLASI), a validated organ-specific outcome measure that is not only responsive to change in disease activity and damage but also correlated to changes in a patient’s QoL. This paper will emphasize the extensive validation studies performed in developing the CLASI, as well as the importance of clinical trials using the CLASI to address the need for improved therapies for patients with lupus skin manifestations.
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Affiliation(s)
- Srita Chakka
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA.,Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Rebecca L Krain
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA.,Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Josef Symon S Concha
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA.,Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Benjamin F Chong
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Joseph F Merola
- Department of Dermatology and Department of Medicine, Division of Rheumatology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Victoria P Werth
- Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA.,Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
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10
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Walker A, Erwig L, Foster K, Nevin K, Wenzel J, Worm M, Williams N, Ratia N, Hoang B, Schneider-Merck T, Gisbert S, Carnarius H, Dickson M. Safety, pharmacokinetics and pharmacodynamics of a topical SYK inhibitor in cutaneous lupus erythematosus: A double-blind Phase Ib study. Exp Dermatol 2020; 30:1686-1692. [PMID: 33336508 PMCID: PMC8596667 DOI: 10.1111/exd.14253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 11/05/2020] [Accepted: 11/23/2020] [Indexed: 01/31/2023]
Abstract
The immunoregulator spleen tyrosine kinase (SYK) is upregulated in cutaneous lupus erythematosus (CLE). This double‐blind, multicentre, Phase Ib study evaluated the safety, tolerability, pharmacokinetics, pharmacodynamics and clinical efficacy of the selective SYK inhibitor GSK2646264 in active CLE lesions. Two lesions from each participant (n = 11) were each randomized to topical application of 1% (w/w) GSK2646264 or placebo for 28 days; all participants received GSK2646264 and placebo. The primary endpoint was safety and tolerability of GSK2646264, assessed by adverse event incidence and a skin tolerability test. Secondary endpoints included change from baseline in clinical activity and mRNA expression of interferon‐related genes in skin biopsies. Levels of several immune cell markers were evaluated over time. Eight (73%) participants experienced ≥ 1 adverse event (all mild in intensity), and maximal dermal response was similar for GSK2646264 and placebo. The expression of several interferon‐related genes, including CXCL10 and OAS1, showed modest decreases from baseline after 28 days of treatment with GSK2646264 compared with placebo. Similar findings were observed for CD3 + T cell and CD11c + dendritic cell levels; however, overall clinical activity remained unchanged with GSK2646264 vs. placebo. Further studies are warranted to assess SYK inhibitors as potential treatment for CLE.
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Affiliation(s)
| | | | | | | | | | - Margitta Worm
- Division of Allergy and Immunology, Department of Dermatology, Venerology and Allergy, Charité, Berlin, Germany
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11
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Yan D, Borucki R, Sontheimer RD, Werth VP. Candidate drug replacements for quinacrine in cutaneous lupus erythematosus. Lupus Sci Med 2020; 7:7/1/e000430. [PMID: 33082164 PMCID: PMC7577055 DOI: 10.1136/lupus-2020-000430] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/22/2020] [Accepted: 10/01/2020] [Indexed: 12/17/2022]
Abstract
Cutaneous lupus erythematosus (CLE) is a disfiguring and potentially disabling disease that causes significant morbidity in patients. Antimalarials are an important class of medication used to treat this disease and have been the first-line systemic therapy since the 1950s. Quinacrine, in particular, is used as an adjuvant therapy to other antimalarials for improved control of CLE. Quinacrine is currently unavailable in the USA, which has taken away an important component of the treatment regimen of patients with CLE. This paper reviews the evidence of available local and systemic therapies in order to assist providers in choosing alternative treatments for patients who previously benefited from quinacrine therapy.
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Affiliation(s)
- Daisy Yan
- Department of Dermatology, Corporal Michael J Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA.,Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Robert Borucki
- Department of Dermatology, Corporal Michael J Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA.,Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Richard D Sontheimer
- Department of Dermatology, The University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Victoria P Werth
- Department of Dermatology, Corporal Michael J Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA .,Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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12
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Fetter T, Wenzel J. Cutaneous lupus erythematosus: The impact of self-amplifying innate and adaptive immune responses and future prospects of targeted therapies. Exp Dermatol 2020; 29:1123-1132. [PMID: 32633821 DOI: 10.1111/exd.14146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 12/13/2022]
Abstract
Cutaneous lupus erythematosus (CLE) is a heterogeneous autoimmune disease encompassing a broad spectrum of skin conditions including localized plaques or widespread lesions, which may be accompanied by systemic involvement (systemic lupus erythematosus (SLE)). The disease is characterized by necroptotic keratinocytes and a cytotoxic immune cell infiltrate at the dermo-epidermal junction (DEJ), orchestrated by interferon (IFN)-regulated proinflammatory cytokines. Molecular analyses revealed a strong upregulation of innate and adaptive immune pathways in lesional skin including DNA-recognition pathways, chemokine signalling, antigen presentation and B- and T-cell activation, which are believed to interact in a complex self-amplifying network. Concerning adaptive immune signalling, particularly B cells are currently being studied as there is growing evidence for additional abilities besides autoantibody expression in skin autoimmunity. These detailed insights have paved the way for the development of drugs targeting crucial molecules of pathogenic immune cells and pathways. Moreover, they forwarded the understanding of distinct molecular mechanisms within CLE subtypes, which might enable a more mechanism-directed, stratified pharmacotherapy of LE skin lesions in the future.
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Affiliation(s)
- Tanja Fetter
- Department of Dermatology and Allergy, University Hospital Bonn, Bonn, Germany
| | - Joerg Wenzel
- Department of Dermatology and Allergy, University Hospital Bonn, Bonn, Germany
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13
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Quelhas da Costa R, Aguirre-Alastuey ME, Isenberg DA, Saracino AM. Assessment of Response to B-Cell Depletion Using Rituximab in Cutaneous Lupus Erythematosus. JAMA Dermatol 2019; 154:1432-1440. [PMID: 30383114 DOI: 10.1001/jamadermatol.2018.3793] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Importance Cutaneous lupus erythematosus (CLE) can be severe and treatment resistant. B-cell depletion therapy (BCDT) with rituximab is well recognized in organ involvement in systemic lupus erythematosus (SLE), but its efficacy in cutaneous manifestations is less well established. Objective To evaluate the outcomes of BCDT in CLE and its clinical subtypes in the setting of associated SLE. Design, Setting, and Participants This single-center, retrospective, cohort study was performed at the adult tertiary referral Rheumatology Department of University College London Hospital, London, United Kingdom, from January 1, 2000, through March 31, 2016, with 12-month follow-up completed on March 31, 2017. Adult patients with carefully classified CLE and mucocutaneous British Isles Lupus Assessment Group (BILAG) grade A or B who were treated with rituximab BCDT were selected from a prospective database of 709 patients with SLE. Data were analyzed from April through December 2017. Main Outcomes and Measures Clinical response was examined at 6 and 12 months after treatment for CLE and its subtypes acute CLE (ACLE), subacute CLE (SCLE), chronic CLE (CCLE), and nonspecific LE (NSLE). A complete response was defined as achieving BILAG grade D; partial response, BILAG grade C; stable disease, no change; and disease flare, change from BILAG grade C or D to grade A or B. Results A total of 50 patients with SLE were eligible for inclusion; mean (SD) age at diagnosis was 26.9 (12.1) years, and 49 (98%) were women. Twenty-one patients had ACLE; 6, SCLE; 10, CCLE; and 11, NSLE (including 2 with concurrent ACLE and CCLE). Overall, at 6 months, 38 patients (76%) improved their mucocutaneous BILAG grade A or B status, including 20 (40%) with a complete response. At 12 months, 28 of 46 patients (61%) maintained this response, including 24 (52%) with a complete response. Two of 6 patients (33%) with SCLE showed a complete response at 6 and 12 months. Five of 12 patients (42%) with CCLE showed a complete response at 6 months, and 5 of 11 (45%), at 12 months. Fifteen patients (30%) required further rituximab therapy within 12 months for cutaneous involvement. Conclusions and Relevance B-cell depletion therapy using rituximab appears effective in patients with SLE and severe active CLE; however, outcomes are variable in those with SCLE and CCLE subtypes.
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Affiliation(s)
- Rita Quelhas da Costa
- Department of Rheumatology, University College London Hospital, University College London, London, United Kingdom.,Department of Internal Medicine, Centro Hospitalar do Porto, Porto, Portugal
| | - M Elena Aguirre-Alastuey
- Department of Rheumatology, University College London Hospital, University College London, London, United Kingdom.,Department of Internal Medicine, Compleio Asistencial Universitario de León, León, Spain
| | - David A Isenberg
- Department of Rheumatology, University College London Hospital, University College London, London, United Kingdom
| | - Amanda M Saracino
- Department of Rheumatology, University College London Hospital, University College London, London, United Kingdom
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14
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Berthier CC, Tsoi LC, Reed TJ, Stannard JN, Myers EM, Namas R, Xing X, Lazar S, Lowe L, Kretzler M, Gudjonsson JE, Kahlenberg JM. Molecular Profiling of Cutaneous Lupus Lesions Identifies Subgroups Distinct from Clinical Phenotypes. J Clin Med 2019; 8:jcm8081244. [PMID: 31426521 PMCID: PMC6723404 DOI: 10.3390/jcm8081244] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/14/2019] [Accepted: 08/16/2019] [Indexed: 01/27/2023] Open
Abstract
Cutaneous lupus erythematosus (CLE) is a common manifestation of systemic lupus erythematosus (SLE), and CLE can also develop without systemic involvement. CLE can be difficult to treat and negatively contributes to quality of life. Despite the importance of CLE, our knowledge of what differentiates cutaneous lupus subtypes is limited. Here, we utilized a large cohort of 90 CLE lesional biopsies to compare discoid lupus erythematosus (DLE) and subacute cutaneous lupus (SCLE) in patients with and without associated SLE in order to discern the drivers of disease activity and possibly uncover better treatment targets. Overall, we found that DLE and SCLE share many differentially expressed genes (DEG) reflecting type I interferon (IFN) signaling and repression of EGFR pathways. No differences between CLE only and SLE-associated CLE lesions were found. Of note, DLE uniquely expresses an IFN-γ node. Unbiased cluster analysis of the DEGs identified two groups separated by neutrophilic vs. monocytic signatures that did not sort the patients based on clinical phenotype or disease activity. This suggests that unbiased analysis of the pathobiology of CLE lesions may be important for personalized medicine and targeted therapeutic decision making.
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Affiliation(s)
- Celine C Berthier
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Lam C Tsoi
- Department of Dermatology, Department of Computational Medicine & Bioinformatics, Department of Biostatistics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Tamra J Reed
- Division of Rheumatology, Department of Internal medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | | | | | - Rajaie Namas
- Division of Rheumatology, Department of Internal Medicine, Cleveland Clinic Abu Dhabi, 112412 Abu Dhabi, United Arab Emirates
| | - Xianying Xing
- Department of Dermatology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Stephanie Lazar
- Division of Rheumatology, Department of Internal medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Lori Lowe
- Department of Dermatology, Department of Computational Medicine & Bioinformatics, Department of Biostatistics, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Matthias Kretzler
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | | | - J Michelle Kahlenberg
- Division of Rheumatology, Department of Internal medicine, University of Michigan, Ann Arbor, MI 48109, USA.
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15
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Cutaneous lupus erythematosus: new insights into pathogenesis and therapeutic strategies. Nat Rev Rheumatol 2019; 15:519-532. [PMID: 31399711 DOI: 10.1038/s41584-019-0272-0] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2019] [Indexed: 01/07/2023]
Abstract
Cutaneous lupus erythematosus (CLE) is an autoimmune disease that can present as an isolated skin disease or as a manifestation within the spectrum of systemic lupus erythematosus. The clinical spectrum of CLE is broad, ranging from isolated discoid plaques to widespread skin lesions. Histologically, skin lesions present as interface dermatitis (inflammation of the skin mediated by anti-epidermal responses), which is orchestrated by type I and type III interferon-regulated cytokines and chemokines. Both innate and adaptive immune pathways are strongly activated in the formation of skin lesions owing to continuous re-activation of innate pathways via pattern recognition receptors (PRRs). These insights into the molecular pathogenesis of skin lesions in CLE have improved our understanding of the mechanisms underlying established therapies and have triggered the development of targeted treatment strategies that focus on immune cells (for example, B cells, T cells or plasmacytoid dendritic cells), as well as immune response pathways (for example, PRR signalling, Janus kinase (JAK)-signal transducer and activator of transcription (STAT) signalling and nuclear factor-κB signalling) and their cytokines and chemokines (for example, type I interferons, CXC-chemokine ligand 10 (CXCL10), IL-6 and IL-12).
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16
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Jarrett P, Werth VP. A review of cutaneous lupus erythematosus: improving outcomes with a multidisciplinary approach. J Multidiscip Healthc 2019; 12:419-428. [PMID: 31213824 PMCID: PMC6549666 DOI: 10.2147/jmdh.s179623] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/03/2019] [Indexed: 12/20/2022] Open
Abstract
Cutaneous lupus erythematosus encompasses a spectrum of cutaneous disease with different phenotypes, and it potentially intersects with many disciplines in medicine. This review examines the epidemiology, clinical subtypes, pathology, psychology and intervention options for this disorder. It is important to understand the psychological distress that cutaneous lupus can cause and if needed actively investigate this possibility with the patient. Careful liaison between disciplines will achieve the optimum outcome.
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Affiliation(s)
- Paul Jarrett
- Department of Dermatology, Middlemore Hospital, Auckland, New Zealand.,Department of Medicine, The University of Auckland, Auckland, New Zealand
| | - Victoria P Werth
- Corporal Michael J. Crescenz Veteran Affairs Medical Center, Philadelphia, PA, USA.,Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
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17
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Rosen JD, Paul S, Maderal A. A review of the evidence and cost of therapies for cutaneous lupus erythematosus. Lupus 2019; 28:799-805. [PMID: 31042129 DOI: 10.1177/0961203319846397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cutaneous lupus erythematosus (CLE)-a common presentation of lupus erythematosus-may exist independently or as a part of the systemic manifestations of systemic lupus erythematosus. The effects of living with and treating a chronic condition such as CLE can be debilitating to a patient's health and finances. The management of patients with CLE is made particularly challenging by poor compliance, limited therapeutic options, scarcity of evidence supporting their use, and significant differences in costs of medications. Effective management of CLE should center on prevention, individualized treatment regimens, and a mutual understanding of the challenges that patients with CLE face. This article seeks to provide an overview of the efficacy, safety, and cost of therapeutic options for CLE.
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Affiliation(s)
- J D Rosen
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - S Paul
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - A Maderal
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
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18
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Chen KL, Krain RL, Werth VP. Advancing understanding, diagnosis, and therapies for cutaneous lupus erythematosus within the broader context of systemic lupus erythematosus. F1000Res 2019; 8:F1000 Faculty Rev-332. [PMID: 30984372 PMCID: PMC6436187 DOI: 10.12688/f1000research.17787.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/19/2019] [Indexed: 01/19/2023] Open
Abstract
Cutaneous lupus erythematosus (CLE) is an autoimmune disease that can be associated with systemic lupus erythematosus (SLE) symptoms. The pathogenesis of both CLE and SLE is multifactorial, involving genetic susceptibility, environmental factors, and innate and adaptive immune responses. Despite the efficacy of current medications, many patients remain refractory, highlighting the necessity for new treatment options. Unfortunately, owing to challenges related in part to trial design and disease heterogeneity, only one new biologic in the last 50 years has been approved by the US Food and Drug Administration for the treatment of SLE. Thus, although SLE and CLE have a similar pathogenesis, patients with CLE who do not meet criteria for SLE cannot benefit from this advancement. This article discusses the recent trials and emphasizes the need to include patients with single-organ lupus, such as CLE, in SLE trials.
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Affiliation(s)
- Kristen L. Chen
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, 3900 Woodland Avenue, Philadelphia, PA 19104, USA
- Department of Dermatology, Perelman Center for Advanced Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Suite 1-330A, Philadelphia, PA 19104, USA
| | - Rebecca L. Krain
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, 3900 Woodland Avenue, Philadelphia, PA 19104, USA
- Department of Dermatology, Perelman Center for Advanced Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Suite 1-330A, Philadelphia, PA 19104, USA
| | - Victoria P. Werth
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, 3900 Woodland Avenue, Philadelphia, PA 19104, USA
- Department of Dermatology, Perelman Center for Advanced Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Suite 1-330A, Philadelphia, PA 19104, USA
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19
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Tayer-Shifman OE, Rosen CF, Wakani L, Touma Z. Novel biological therapeutic approaches to cutaneous lupus erythematosus. Expert Opin Biol Ther 2018; 18:1041-1047. [DOI: 10.1080/14712598.2018.1513484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | - Cheryl F. Rosen
- Division of Dermatology, Toronto Western Hospital, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Laura Wakani
- Centre For Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto Lupus Clinic, Toronto, Canada
| | - Zahi Touma
- Centre For Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto Lupus Clinic, Toronto, Canada
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20
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Penha MÁ, Libório RDS, Miot HA. Rituximab in the treatment of extensive and refractory subacute cutaneous lupus erythematosus. An Bras Dermatol 2018; 93:467-469. [PMID: 29924233 PMCID: PMC6001093 DOI: 10.1590/abd1806-4841.20187561] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 09/17/2017] [Indexed: 11/22/2022] Open
Affiliation(s)
- Mariana Álvares Penha
- Departament of Dermatology and Radiotherapy, Faculdade de
Medicina de Botucatu - Universidade Estadual Paulista (FMB-Unesp), Botucatu
(SP), Brazil
| | - Ricardo da Silva Libório
- Departament of Dermatology and Radiotherapy, Faculdade de
Medicina de Botucatu - Universidade Estadual Paulista (FMB-Unesp), Botucatu
(SP), Brazil
| | - Hélio Amante Miot
- Departament of Dermatology and Radiotherapy, Faculdade de
Medicina de Botucatu - Universidade Estadual Paulista (FMB-Unesp), Botucatu
(SP), Brazil
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21
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Prieto-Torres L, Alegría-Landa V, Morales-Moya AL, Meriño-Ibarra EE, Ara-Martín M, Requena L. Lupus panniculitis refractory to multiple therapies treated successfully with rituximab: A case report and literature review. Australas J Dermatol 2017; 59:e159-e160. [DOI: 10.1111/ajd.12685] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lucía Prieto-Torres
- Department of Dermatology; University Hospital of Lozano Blesa; Zaragoza Spain
| | - Victoria Alegría-Landa
- Department of Dermatology; Jiménez Díaz Foundation; Autonomous University of Madrid; Madrid Spain
| | | | | | - Mariano Ara-Martín
- Department of Dermatology; University Hospital of Lozano Blesa; Zaragoza Spain
| | - Luis Requena
- Department of Dermatology; Jiménez Díaz Foundation; Autonomous University of Madrid; Madrid Spain
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