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Hasegawa A, Abe R. Stevens-Johnson syndrome and toxic epidermal necrolysis: Updates in pathophysiology and management. Chin Med J (Engl) 2024:00029330-990000000-01219. [PMID: 39238098 DOI: 10.1097/cm9.0000000000003250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Indexed: 09/07/2024] Open
Abstract
ABSTRACT Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening conditions characterized by extensive detachment of the epidermis and mucous membranes. These severe disorders carry a high mortality rate, and their pathogenesis remains largely unclear. Furthermore, optimal therapeutic strategies for SJS/TEN remain a subject of ongoing debate. Early diagnosis of SJS/TEN is challenging, and reliable biomarkers for diagnosis or severity prediction have not been firmly established. Certain drugs, such as carbamazepine and allopurinol, have shown a strong association with specific human leukocyte antigen (HLA) types. Recently, the potential benefits of HLA screening prior to administering these drugs to reduce the incidence of SJS/TEN have been explored. Epidermal cell death in SJS/TEN lesions is caused by extensive apoptosis, primarily through the Fas-FasL and perforin/granzyme pathways. Our findings suggest that necroptosis, a form of programmed necrosis, also contributes to epidermal cell death. Annexin A1, released from monocytes, interacts with the formyl peptide receptor 1 to induce necroptosis. Several biomarkers, such as CC chemokine ligand (CCL)-27, interleukin-15, galectin-7, receptor-interacting protein kinases 3 (RIP3), and lipocalin-2, have been identified for diagnostic and prognostic purposes in SJS/TEN. Supportive care is recommended for treating SJS/TEN, but the efficacy of various therapeutic options-including systemic corticosteroids, intravenous immunoglobulin, cyclosporine, and tumor necrosis factor-α antagonists-remains controversial. Recent studies have investigated the potential benefits of tumor necrosis factor-α antagonists. In this review, we discuss recent advances in the understanding and management of SJS/TEN.
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Affiliation(s)
- Akito Hasegawa
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan
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He CX, Guo L, Qu T, Jin HZ. Tumor necrosis factor inhibitors enhance corticosteroid therapy for Stevens-Johnson syndrome and toxic epidermal necrolysis linked to immune checkpoint inhibitors: a prospective study. Front Immunol 2024; 15:1421684. [PMID: 39170619 PMCID: PMC11335491 DOI: 10.3389/fimmu.2024.1421684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/22/2024] [Indexed: 08/23/2024] Open
Abstract
Introduction Immune-related epidermal necrolysis (irEN), including Stevens-Johnson Syndrome (SJS) and toxic epidermal necrolysis (TEN), represents a potentially lethal reaction to immune checkpoint inhibitors. An optimal treatment strategy remains undefined. This study evaluates the effectiveness and safety of combination therapy with corticosteroids and tumor necrosis factor inhibitors (TNFi) in treating irEN patients. Methods In this single-center, prospective, observational study, patients with irEN received either corticosteroid monotherapy or a combination therapy of corticosteroids and TNFi (etanercept for SJS, infliximab for TEN). The primary endpoint was re-epithelization time, with secondary endpoints including corticosteroid exposure, major adverse event incidence, acute mortality rates, and biomarkers indicating disease activity and prognosis. The study was registered at the Chinese Clinical Trial Registry (ChiCTR2100051052). Results Thirty-two patients were enrolled (21 SJS, 11 TEN); 14 received combination therapy and 18 received corticosteroid monotherapy. IrEN typically occurred after 1 cycle of ICI administration, with a median latency of 16 days. Despite higher SCORTEN scores in the combination group (3 vs. 2, p = 0.008), these patients experienced faster re-epithelization (14 vs. 21 days; p < 0.001), shorter corticosteroid treatment duration (22 vs. 32 days; p = 0.005), and lower prednisone cumulative dose (1177 mg vs. 1594 mg; p = 0.073). Major adverse event rates were similar between groups. Three deaths occurred due to lung infection or disseminated intravascular coagulation, with mortality rates for both groups lower than predicted. Potential risk factors for increased mortality included continuous reduction in lymphocyte subset counts (CD4+ T cells, CD8+ T cells, natural killer cells) and consistent rises in inflammatory markers (serum ferritin, interleukin-6, TNF-α). Re-epithelization time negatively correlated with body mass index and positively correlated with epidermal detachment area and serum levels of interleukin-6 and TNF-α. Conclusions Corticosteroids combined with TNFi markedly promote re-epithelization, reduce corticosteroid use, and decrease acute mortality in irEN patients without increasing major adverse events, offering a superior alternative to corticosteroid monotherapy. Inflammatory markers and lymphocyte subsets are valuable for assessing disease activity and prognosis.
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Affiliation(s)
| | | | | | - Hong-Zhong Jin
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
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Stewart TJ, Farrell J, Frew JW. A systematic review of case-control studies of cytokines in blister fluid and skin tissue of patients with Stevens Johnson syndrome and toxic epidermal necrolysis. Australas J Dermatol 2024. [PMID: 38831709 DOI: 10.1111/ajd.14329] [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: 03/28/2024] [Revised: 05/09/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024]
Abstract
Stevens Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are severe cutaneous adverse reactions characterised by keratinocyte apoptosis, necroptosis and epidermal detachment. Several cytokines and cytotoxic proteins have been shown to be elevated in the blood and skin of SJS/TEN sufferers and biologics such as intravenous immune globulin and tumour necrosis factor (TNF)-alpha inhibitors have demonstrated good therapeutic potential. The exact pathogenic model of SJS/TEN however remains elusive. This systematic review aimed to evaluate the case-control studies of cytokines and cytotoxic proteins in the blister fluid and skin of adults with Stevens Johnson syndrome and/or toxic epidermal necrolysis. This review was registered with INPLASY and conducted in accordance with the PRISMA reporting guidelines. Potential bias was assessed using the NIH criteria. Eleven articles describing results from 96 cases and 170 controls were included. Fas, Fas ligand, Interleukin (IL)-8 and B-cell lymphoma (Bcl)-2 were elevated in SJS/TEN blister fluid and skin tissue, compared with healthy controls. IL-2, IL-6, TNF-alpha, tumour necrosis factor-related apoptosis-inducing ligand (TRAIL), interferon-gamma and matrix metalloproteinase-2 were elevated in SJS/TEN blister fluid compared with fluid sampled from lesional controls. Granulysin, IL-33, TGF-beta-1 and IL-13 were elevated in SJS/TEN skin tissue compared with lesional lichen planus tissue, as was IL-13, IFN-gamma, IL-2 and IL-5, when compared with erythema multiforme tissue. A wide array of cytokines and cytotoxic proteins are present at higher concentrations in the blister fluid and skin tissue of SJS/TEN patients compared with healthy and lesional controls. Our findings suggest that these proteins may be pathogenic, as well as possibly markers for diagnosis, disease severity and course. They may also prove to be useful therapeutic targets. More research is needed.
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Affiliation(s)
- Thomas Jonathan Stewart
- Department of Dermatology, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- School of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Joshua Farrell
- Department of Dermatology, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| | - John Walter Frew
- School of Medicine, University of New South Wales, Sydney, New South Wales, Australia
- Department of Dermatology, Liverpool Hospital, Liverpool, New South Wales, Australia
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Gurumurthy S, Srinivasan B, Agarwal S, Matai H, Angayarkanni N, Iyer G. Unique cytokine signature in ocular Stevens-Johnson syndrome non-responders. Ocul Surf 2024; 32:173-181. [PMID: 38490474 DOI: 10.1016/j.jtos.2024.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 03/06/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
PURPOSE To clinically define a subset of patients with chronic ocular Stevens-Johnson syndrome non-responders (SJS-NR) and analyze their cytokine profile compared to clinical responders (SJS-CR). METHODS A total of 32 SJS cases (n = 32, 64 eyes) managed over a period of three years were segregated into clinical responders (n = 24, 48 eyes) and non-responders (n = 8, 16 eyes). Cases were determined as non-responders based on persistent, refractory, and non-mechanical inflammation of the conjunctiva. Age- and sex-matched healthy controls (n = 25, 50 eyes) were recruited. Tear specimens collected using Schirmer's strip were profiled for 27 cytokines using an immunoassay-based 27-bioplex array. RESULTS Tear cytokine profiling revealed 18 cytokines to be differentially expressed in SJS-NR compared to SJS-CR. While PDGF-BB, IL-4, IL-1β, VEGF, IL-12p70, IFN-γ, IL-9, and IL-1RA were upregulated, GM-CSF, eotaxin, IP-10, IL-10, MCP-1, G-CSF, IL-6, IL-13, and bFGF were downregulated in SJS-NR compared to SJS-CR. The cytokines IL-13, IL-10, and IP-10 were decreased in both SJS-NR and SJS-CR compared to controls. CONCLUSION The inflammation in SJS-NR continues to worsen despite the correction of mechanical causes, resulting in progressive deterioration of the cornea. The cytokine profile of SJS-NR was remarkably different from that of SJS-CR, indicating a T helper 2-type protective proliferative response and an impaired migratory potential of the conjunctival epithelium. These factors could possibly lead to poor healing of the corneal epithelium in a markedly pro-inflammatory and pro-angiogenic milieu. The top four differentially expressed cytokines, PDGF-BB, IL-4, IL-10, and IL-6, are proposed as potential biomarkers of SJS-NR.
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Affiliation(s)
- Srividya Gurumurthy
- R. S. Mehta Jain Dept. of Biochemistry and Cell Biology, KBIRVO, Vision Research Foundation, Chennai, 600 006, India
| | - Bhaskar Srinivasan
- C. J. Shah Cornea Services, Dr. G Sitalakshmi Memorial Clinic for Ocular Disorders, SN-Sanmar Center of Excellence for SJS, Medical Research Foundation, Sankara Nethralaya, Chennai, 600 006, India
| | - Shweta Agarwal
- C. J. Shah Cornea Services, Dr. G Sitalakshmi Memorial Clinic for Ocular Disorders, SN-Sanmar Center of Excellence for SJS, Medical Research Foundation, Sankara Nethralaya, Chennai, 600 006, India
| | - Hiren Matai
- C. J. Shah Cornea Services, Dr. G Sitalakshmi Memorial Clinic for Ocular Disorders, SN-Sanmar Center of Excellence for SJS, Medical Research Foundation, Sankara Nethralaya, Chennai, 600 006, India
| | - Narayanasamy Angayarkanni
- R. S. Mehta Jain Dept. of Biochemistry and Cell Biology, KBIRVO, Vision Research Foundation, Chennai, 600 006, India.
| | - Geetha Iyer
- C. J. Shah Cornea Services, Dr. G Sitalakshmi Memorial Clinic for Ocular Disorders, SN-Sanmar Center of Excellence for SJS, Medical Research Foundation, Sankara Nethralaya, Chennai, 600 006, India.
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Affolter VK. Cytotoxic dermatitis: Review of the interface dermatitis pattern in veterinary skin diseases. Vet Pathol 2023; 60:770-782. [PMID: 37650259 DOI: 10.1177/03009858231195080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Interface dermatitis or lichenoid interface dermatitis refers to a cutaneous inflammatory pattern in which keratinocyte cell death is the essential feature. These terms have evolved from the originally described lichenoid tissue reaction. These lesions are the basis for an important group of skin diseases in animals and people where cytotoxic T-cell-mediated epidermal damage is a major pathomechanism. Yet, for largely historical reasons these commonly used morphological diagnostic terms do not reflect the essential nature of the lesion. An emphasis on subsidiary lesions, such as the presence of a lichenoid band, and definitions based on anatomical features, such as location at the dermo-epidermal location, may cause confusion and even misdiagnosis. This review covers historical aspects of the terminology, including the origin of terms such as "lichenoid." The types of cell death involved and the histopathologic lesions are described. Etiopathogenesis is discussed in terms of aberrations of immune/inflammatory mechanisms focusing on cutaneous lupus erythematosus, erythema multiforme, and Stevens-Johnson syndrome/toxic epidermal necrolysis. Mechanisms have most extensively been studied in humans and laboratory animals and the discussion is centered on these species. As interface dermatitis is firmly entrenched in dermatological parlance, rather than using "cytotoxic" as its substitute, the terminologies "interface cytotoxic dermatitis" and "panepidermal cytotoxic dermatitis" are recommended, based on location and extent of epithelium affected.
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Rodríguez-Pérez R, de las Vecillas L, Cabañas R, Bellón T. Tools for Etiologic Diagnosis of Drug-Induced Allergic Conditions. Int J Mol Sci 2023; 24:12577. [PMID: 37628756 PMCID: PMC10454098 DOI: 10.3390/ijms241612577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/03/2023] [Accepted: 08/06/2023] [Indexed: 08/27/2023] Open
Abstract
Drug hypersensitivity reactions are a serious concern in clinical practice because they can be severe and result in lifelong sequelae. An accurate diagnosis and identification of the culprit drug is essential to prevent future reactions as well as for the identification of safe treatment alternatives. Nonetheless, the diagnosis can be challenging. In vivo and in vitro tests can be helpful, although none are conclusive; therefore, the tests are not usually performed in isolation but as part of a diagnostic algorithm. In addition, some in vitro tests are only available in research laboratories, and standardization has not been fully accomplished. Collaborating research is needed to improve drug hypersensitivity reaction diagnosis. In this review, we update the current available in vivo and in vitro tools with their pros and cons and propose an algorithm to integrate them into clinical practice.
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Affiliation(s)
- Rosa Rodríguez-Pérez
- Institute for Health Research Hospital Universitario La Paz (IdiPAZ), Paseo Castellana 261, 28046 Madrid, Spain; (L.d.l.V.); (R.C.); (T.B.)
| | - Leticia de las Vecillas
- Institute for Health Research Hospital Universitario La Paz (IdiPAZ), Paseo Castellana 261, 28046 Madrid, Spain; (L.d.l.V.); (R.C.); (T.B.)
- Allergy Department, La Paz University Hospital, Paseo Castellana 261, 28046 Madrid, Spain
- PIELenRed Consortium, 28046 Madrid, Spain
| | - Rosario Cabañas
- Institute for Health Research Hospital Universitario La Paz (IdiPAZ), Paseo Castellana 261, 28046 Madrid, Spain; (L.d.l.V.); (R.C.); (T.B.)
- Allergy Department, La Paz University Hospital, Paseo Castellana 261, 28046 Madrid, Spain
- PIELenRed Consortium, 28046 Madrid, Spain
- Center for Biomedical Research Network on Rare Diseases (CIBERER U754), 28046 Madrid, Spain
| | - Teresa Bellón
- Institute for Health Research Hospital Universitario La Paz (IdiPAZ), Paseo Castellana 261, 28046 Madrid, Spain; (L.d.l.V.); (R.C.); (T.B.)
- PIELenRed Consortium, 28046 Madrid, Spain
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Saito Y, Abe R. New insights into the diagnosis and management of Stevens-Johnson syndrome and toxic epidermal necrolysis. Curr Opin Allergy Clin Immunol 2023; 23:271-278. [PMID: 37284785 DOI: 10.1097/aci.0000000000000914] [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: 06/08/2023]
Abstract
PURPOSE OF REVIEW Recent studies have been clarifying the pathogenesis and early diagnostic markers of Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). Additionally, the efficacy of tumor necrosis factor alpha inhibitors is attracting attention. This review provides) recent evidence for the diagnosis and management of SJS/TEN. RECENT FINDINGS Risk factors for the development of SJS/TEN have been identified, particularly the association between HLA and the onset of SJS/TEN with specific drugs, which has been intensively studied. Research on the pathogenesis of keratinocyte cell death in SJS/TEN has also progressed, revealing the involvement of necroptosis, an inflammatory cell death, in addition to apoptosis. Diagnostic biomarkers associated with these studies have also been identified. SUMMARY The pathogenesis of SJS/TEN remains unclear and effective therapeutic agents have not yet been established. As the involvement of innate immunity, such as monocytes and neutrophils, in addition to T cells, has become clear, a more complex pathogenesis is predicted. Further elucidation of the pathogenesis of SJS/TEN is expected to lead to the development of new diagnostic and therapeutic agents.
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Affiliation(s)
- Yuki Saito
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Nikitina EA, Fomina DS, Markina UA, Andreev SS, Streltsov YV, Kruglova TS, Lebedkina MS, Karaulov AV, Lysenko MA. Positive experience with TNF-α inhibitor in toxic epidermal necrolysis resistant to high-dose systemic corticosteroids. Front Med (Lausanne) 2023; 10:1210026. [PMID: 37554504 PMCID: PMC10404849 DOI: 10.3389/fmed.2023.1210026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/03/2023] [Indexed: 08/10/2023] Open
Abstract
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare, potentially life-threatening syndromes characterized by the development of necrotic epidermal and mucosal lesions. The most common etiologic cause of SJS/TEN is drug-induced mechanisms. The group of drugs with high potential risk includes sulfonamides, anticonvulsants, non-steroidal anti-inflammatory drugs (NSAIDs), allopurinol, phenobarbital, etc. There is no gold standard treatment algorithm for SJS/TEN. In medical practice, systemic glucocorticosteroids (sGCS), intravenous immunoglobulin (IVIG), plasmapheresis, and cyclosporine are used empirically and in various combinations. Recently published studies have demonstrated the efficacy of TNF-α inhibitors as a promising approach in SJS/TEN, including cases resistant to high-dose sGCS, with etanercept and infliximab being the most commonly used drugs. In a large multicenter study by Zhang J et al. (XXXX), 242 patients treated with etanercept, sGCS, or a combination of both had lower mortality compared to the control group. A shorter skin healing time was documented compared to sGCS monotherapy, thus reducing the risk of secondary infections. The published data show a high efficacy with THF-α inhibitor blockade, but the safety of TNF-α inhibitors in patients with SJS/TEN is still questionable due to the paucity of available information. As all clinical research data should be accumulated to provide reliable evidence that the use of TNF-α inhibitors may be beneficial in SJS/TEN, we report a case of etoricoxib-associated SJS with progression to TEN in a 50-year-old woman who was refractory to high-dose sGCS therapy.
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Affiliation(s)
- Ekaterina A. Nikitina
- City Clinical Hospital No. 52, Moscow, Russia
- The First Sechenov Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Daria S. Fomina
- City Clinical Hospital No. 52, Moscow, Russia
- The First Sechenov Moscow State Medical University (Sechenov University), Moscow, Russia
| | | | | | | | | | | | - Alexander V. Karaulov
- The First Sechenov Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Maryana A. Lysenko
- City Clinical Hospital No. 52, Moscow, Russia
- Department of General Therapy, Pirogov Russian National Research Medical University, Moscow, Russia
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Cao J, Zhang X, Xing X, Fan J. Biologic TNF-α Inhibitors for Stevens-Johnson Syndrome, Toxic Epidermal Necrolysis, and TEN-SJS Overlap: A Study-Level and Patient-Level Meta-Analysis. Dermatol Ther (Heidelb) 2023:10.1007/s13555-023-00928-w. [PMID: 37178320 DOI: 10.1007/s13555-023-00928-w] [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: 03/01/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023] Open
Abstract
INTRODUCTION Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are severe cutaneous adverse reactions with high morbidity and mortality and not clearly established treatment protocol. This meta-analysis aimed to evaluate the efficacy and safety of three biologic TNF-α inhibitors (infliximab, etanercept, adalimumab) in the treatment of SJS, SJS-TEN overlap, and TEN. METHODS Electronic databases were searched for original studies containing human participants diagnosed with SJS/TEN and treated with biologic TNF-α inhibitors. Individual patient data were collected and summarized to provide a comprehensive overview on therapeutic efficacy of different biologic TNF-α inhibitors for SJS, SJS-TEN overlap, and TEN, respectively. Meta-analyses on aggregated study data were conducted using random-effects model. RESULTS Overall, 55 studies with 125 sets of individual patient data were included. Infliximab was used to treat 3 patients with SJS-TEN overlap and 28 patients with TEN, and the actual mortality rate was 33.3% and 17%, respectively. Etanercept was administered to 17 patients with SJS, 9 patients with SJS-TEN overlap, and 64 patients with TEN, and mortality rate was reported to be 0%, 0%, and 12.5%, respectively. For participants with TEN, no significant difference was found in time of reepithelialization, hospitalization time, and mortality rate comparing etanercept with infliximab. More sequelae were reported in patients receiving infliximab than in patients treated with etanercept (39.3% versus 6.4%). Adalimumab was administered to four patients with TEN, and mortality rate was 25%. Meta-analyses on aggregated study data revealed significantly shortened hospitalization time in etanercept compared with non-etanercept groups [weighted mean differences (WMD) -5.30; 95% confidence interval (CI) -8.65 to -1.96]. Etanercept was associated with a survival benefit for patients when compared with non-etanercept treatment, however, the analysis was not statistically significant (odds ratio 0.55; 95% CI 0.23-1.33). CONCLUSIONS On the basis of the current findings, etanercept is currently the most promising biologic therapy for SJS/TEN. Further evaluation in prospective studies is required to confirm its efficacy and safety.
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Affiliation(s)
- Jiali Cao
- Department of Dermatology, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, 100020, China.
| | - Xuan Zhang
- Department of Dermatology, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Xinzhu Xing
- Department of Dermatology, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, 100020, China
| | - Jie Fan
- Medical Department, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, 101300, China
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Richardson KC, Jung K, Pardo J, Turner CT, Granville DJ. Noncytotoxic Roles of Granzymes in Health and Disease. Physiology (Bethesda) 2022; 37:323-348. [PMID: 35820180 DOI: 10.1152/physiol.00011.2022] [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] [Indexed: 12/25/2022] Open
Abstract
Granzymes are serine proteases previously believed to play exclusive and somewhat redundant roles in lymphocyte-mediated target cell death. However, recent studies have challenged this paradigm. Distinct substrate profiles and functions have since emerged for each granzyme while their dysregulated proteolytic activities have been linked to diverse pathologies.
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Affiliation(s)
- Katlyn C Richardson
- International Collaboration on Repair Discoveries (ICORD), British Columbia Professional Firefighters' Wound Healing Laboratory, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Karen Jung
- International Collaboration on Repair Discoveries (ICORD), British Columbia Professional Firefighters' Wound Healing Laboratory, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Julian Pardo
- Fundación Instituto de Investigación Sanitaria Aragón (IIS Aragón), Biomedical Research Centre of Aragon (CIBA), Zaragoza, Spain.,Department of Microbiology, Radiology, Pediatrics and Public Health, University of Zaragoza, Zaragoza, Spain.,CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Zaragoza, Spain
| | - Christopher T Turner
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia.,Future Industries Institute, University of South Australia, Adelaide, South Australia, Australia
| | - David J Granville
- International Collaboration on Repair Discoveries (ICORD), British Columbia Professional Firefighters' Wound Healing Laboratory, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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Toyoda T, Hashimoto K, Ogawa Y, Tohyama M, Muto Y, Murashima T, Akao K, Honma K, Tanaka A. Immunohistological analysis of pathogenic infiltrates in the epidermis and liver of a patient with toxic epidermal necrolysis accompanied by vanishing bile duct syndrome. J Dermatol 2022; 49:1343-1347. [PMID: 36176039 DOI: 10.1111/1346-8138.16576] [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: 04/07/2022] [Revised: 08/11/2022] [Accepted: 08/23/2022] [Indexed: 11/29/2022]
Abstract
Toxic epidermal necrolysis (TEN) is a severe cutaneous adverse drug reaction characterized by extensive epidermal detachment, which is reportedly mediated by drug-specific cytotoxic CD8+ T cells, inflammatory monocytes, and neutrophils. Besides the skin, TEN often damages other organs, and it remains unknown whether they are mediated by similar pathogenic cells that cause epidermal damage. We experienced a case who developed TEN complicated with vanishing bile duct syndrome. Immunohistological analysis revealed the infiltration of CD8+ T cells, inflammatory monocytes, and neutrophil extracellular trap-forming neutrophils in the lesions of both the skin and liver with different degree of infiltration of these cells. These data suggest a difference of dominant pathogenic cells between skin and liver of patients with TEN.
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Affiliation(s)
- Tomohiro Toyoda
- Department of Dermatology, Kameda Medical Center, Chiba, Japan
| | - Koji Hashimoto
- Department of Dermatology, Kameda Medical Center, Chiba, Japan
| | - Youichi Ogawa
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Mikiko Tohyama
- Department of Dermatology, Shikoku Cancer Center, Ehime, Japan
| | - Yoshinori Muto
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | | | - Kei Akao
- Department of Dermatology, Kameda Medical Center, Chiba, Japan
| | - Koichi Honma
- Department of Pathology, Kameda Medical Center, Chiba, Japan
| | - Atsushi Tanaka
- Department of Dermatology, Kameda Medical Center, Chiba, Japan
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Srinoulprasert Y, Kumkamthornkul P, Tuchinda P, Wongwiangjunt S, Sathornsumetee S, Jongjaroenprasert K, Kulthanan K. Differential cytokine profiles produced by anti-epileptic drug re-exposure of peripheral blood mononuclear cells derived from severe anti-epileptic drug patients and non-allergic controls. Cytokine 2022; 157:155951. [DOI: 10.1016/j.cyto.2022.155951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 06/01/2022] [Accepted: 06/20/2022] [Indexed: 12/01/2022]
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A Review of the Systemic Treatment of Stevens–Johnson Syndrome and Toxic Epidermal Necrolysis. Biomedicines 2022; 10:biomedicines10092105. [PMID: 36140207 PMCID: PMC9495335 DOI: 10.3390/biomedicines10092105] [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: 07/10/2022] [Revised: 08/10/2022] [Accepted: 08/24/2022] [Indexed: 11/28/2022] Open
Abstract
Stevens–Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are uncommon but life-threatening diseases mostly caused by drugs. Although various systemic immunomodulating agents have been used, their therapeutic efficacy has been inconsistent. This study aimed to provide an evidence-based review of systemic immunomodulating treatments for SJS/TEN. We reviewed 13 systematic review and meta-analysis articles published in the last 10 years. The use of systemic corticosteroids and IVIg is still controversial. An increasing number of studies have suggested the effectiveness of cyclosporine and biologic anti-TNF-α in recent years. There were also some promising results of combination treatments. Further large-scale randomized controlled trials are required to provide more definitive evidence of the effectiveness of these treatments. The pathogenesis of SJS/TEN has been elucidated in recent years and advances in the understanding of SJS/TEN may inspire the discovery of potential therapeutic targets.
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Ao S, Gao X, Zhan J, Ai L, Li M, Su H, Tang X, Chu C, Han J, Wang F. Inhibition of tumor necrosis factor improves conventional steroid therapy for Stevens-Johnson syndrome/toxic epidermal necrolysis in a cohort of patients. J Am Acad Dermatol 2022; 86:1236-1245. [PMID: 35121075 DOI: 10.1016/j.jaad.2022.01.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 01/04/2022] [Accepted: 01/19/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Systemic steroid therapies for Stevens-Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN) have been challenged because of their limited benefits. Whether additional tumor necrosis factor (TNF) α inhibition provides an optimized approach remains unexplored. OBJECTIVE To investigate the efficacy of TNF-α inhibition combined with a steroid to treat SJS/TEN and to identify potential biomarkers. METHODS Twenty-five patients with SJS/TEN were recruited and divided into 2 groups: 10 patients received methylprednisolone and 15 patients received etanercept plus methylprednisolone. Serum levels of granzyme B, perforin, interferon-γ, interleukin (IL) 6, IL-15, IL-18, macrophage inflammatory protein 1α, macrophage inflammatory protein 1β, and TNF-α were measured by multiplex cytokine analysis kits during the acute and resolution phases. RESULTS Compared with the steroid monotherapy, the combination therapy significantly shortened the course of the initial steroid treatment and the duration of the acute stage, hospitalization stay, and skin re-epithelialization. Although both therapies significantly reduced IL-15 levels; the combination therapy also decreased IL-6 and IL-18 levels. While the level of IL-15 was positively correlated with skin re-epithelialization time in both groups, the level of IL-6 served as an additional marker for the course of the disease in the combination therapy group. LIMITATIONS The cohort size is relatively small. CONCLUSION Additional TNF-α inhibition to steroid treatment appeared to improve outcomes for SJS/TEN.
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Affiliation(s)
- Suiting Ao
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Xuemei Gao
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Jipang Zhan
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Lu Ai
- Department of Laboratory Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Minyi Li
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Huilin Su
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Xuhua Tang
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Coco Chu
- Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, New York
| | - Jiande Han
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Fang Wang
- Department of Dermatology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China.
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Tian CC, Ai XC, Ma JC, Hu FQ, Liu XT, Luo YJ, Tan GZ, Zhang JM, Li XQ, Guo Q, Zeng FQ, Shi ZR, Wang L. Etanercept treatment of Stevens-Johnson syndrome and toxic epidermal necrolysis. Ann Allergy Asthma Immunol 2022; 129:360-365.e1. [PMID: 35598882 DOI: 10.1016/j.anai.2022.05.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/18/2022] [Accepted: 05/10/2022] [Indexed: 12/20/2022]
Abstract
BACKGROUND Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) is a severe cutaneous adverse reaction to drugs with considerable morbidity and mortality. Immunomodulators for SJS/TEN including systemic corticosteroids and intravenous immunoglobulin (IVIG) have been widely used in clinical practice. Emerging evidence suggested the therapeutic effects of tumor necrosis factor-α antagonists on SJS/TEN. OBJECTIVE To compare the efficacy and safety of IVIG and systemic steroids in conjunction with or without etanercept, a tumor necrosis factor-α inhibitor, for patients with SJS/TEN. METHODS We undertook a retrospective review of 41 patients with SJS/TEN admitted to our institution from 2015 to February 2021. A total of 25 patients with integrated data were involved in this study, of which 14 patients were treated with IVIG and corticosteroids and 11 were in addition given etanercept. The clinical characteristics, duration of hospitalization, exposure time to high-dose steroids, and the total amount of systemic steroids were analyzed. RESULTS In comparison to conventional therapy, conjunction with etanercept reduced the duration of hospitalization (13.5 vs 19.0 days; P = .01), the exposure time of high-dose steroids (7.1 vs 14.9 days; P = .01), and the overall amount of systemic steroid (925 mg vs 1412.5 mg; P = .03) in patients with SJS/TEN. No pronounced adverse effects were observed within 6 months of follow-up after the treatment. CONCLUSION The add-in of etanercept at the time of initiating conventional therapy could be a superior option to accelerate disease recovery and reduce the high dose and total amount of systemic steroids without pronounced adverse events in patients with SJS/TEN.
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Affiliation(s)
- Cui-Cui Tian
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, People's Republic of China
| | - Xue-Chen Ai
- Department of Dermatology, The Eighth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Jian-Chi Ma
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Feng-Qiu Hu
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xiu-Ting Liu
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Yi-Jin Luo
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Guo-Zhen Tan
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Jun-Min Zhang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xi-Qing Li
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Qing Guo
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Fan-Qin Zeng
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Zhen-Rui Shi
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
| | - Liangchun Wang
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
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Advances in the Pathomechanisms of Delayed Drug Hypersensitivity. Immunol Allergy Clin North Am 2022; 42:357-373. [PMID: 35469623 DOI: 10.1016/j.iac.2022.01.002] [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: 12/30/2022]
Abstract
Delayed drug hypersensitivity continues to contribute to major clinical problems worldwide. The clinical presentations of delayed drug hypersensitivity are diverse, ranging from mild skin rashes to life-threatening systemic reactions. The pathomechanism of delayed drug hypersensitivity involves human leukocyte antigens (HLA) presentation of drugs/metabolites to T cell receptors (TCR), resulting in T-cell activation. The pathogenesis of delayed drug hypersensitivity also has reactivation of the virus, and activation of many immune mediators. In this review, we discuss the immune pathogenesis, molecular interactions of HLA/drugs/TCR, and downstream signaling of cytotoxic proteins/cytokines/chemokines, as well as disease prevention and management for delayed drug hypersensitivity.
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Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis in the Era of Systems Medicine. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2486:37-54. [PMID: 35437717 DOI: 10.1007/978-1-0716-2265-0_3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) are severe mucocutaneous bullous disorders characterized by widespread skin and mucosal necrosis and detachment, which are most commonly triggered by medications. Despite their rarity, these severe cutaneous adverse drug reactions will result in high mortality and morbidity as well as long-term sequela. The immunopathologic mechanisms is mainly cell-mediated cytotoxic reaction against keratinocytes leading to massive skin necrolysis. Subsequent studies have demonstrated that immune synapse composed of cytotoxic T cells with drug-specific human leukocyte antigen (HLA) class I restriction and T cell receptors (TCR) repertoire is the key pathogenic for SJS/TEN. Various cytotoxic proteins and cytokines such as soluble granulysin, perforin, granzyme B, interleukin-15, Fas ligand, interferon-γ, tumor necrosis factor-α have been as mediators involved in the pathogenesis of SJS/TEN. Early recognition and immediate withdrawal of causative agents, and critical multidisciplinary supportive care are key management of SJS/TEN. To date, there is yet to be a sufficient consensus or recommendation for the immunomodulants of the treatment in SJS/TEN. Systemic corticosteroids remain one of the most common treatment options for SJS/TEN, though the efficacy remain uncertain. Currently, there is increasing evidence showing that cyclosporine and TNF-α inhibitors decrease the mortality of SJS/TEN. Further multicenter double-blinded, randomized, placebo-controlled trials are required to confirm the efficacy and safety.
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Pichler WJ. The important role of non-covalent drug-protein interactions in drug hypersensitivity reactions. Allergy 2022; 77:404-415. [PMID: 34037262 PMCID: PMC9291849 DOI: 10.1111/all.14962] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/14/2021] [Accepted: 05/20/2021] [Indexed: 02/06/2023]
Abstract
Drug hypersensitivity reactions (DHR) are heterogeneous and unusual immune reactions with rather unique clinical presentations. Accumulating evidence indicates that certain non-covalent drug-protein interactions are able to elicit exclusively effector functions of antibody reactions or complete T-cell reactions which contribute substantially to DHR. Here, we discuss three key interactions; (a) mimicry: whereby soluble, non-covalent drug-protein complexes ("fake antigens") mimic covalent drug-protein adducts; (b) increased antibody affinity: for example, in quinine-type immune thrombocytopenia where the drug gets trapped between antibody and membrane-bound glycoprotein; and (c) p-i-stimulation: where naïve and memory T cells are activated by direct binding of drugs to the human leukocyte antigen and/or T-cell receptors. This transient drug-immune receptor interaction initiates a polyclonal T-cell response with mild-to-severe DHR symptoms. Notable complications arising from p-i DHR can include viral reactivations, autoimmunity, and multiple drug hypersensitivity. In conclusion, DHR is characterized by abnormal immune stimulation driven by non-covalent drug-protein interactions. This contrasts DHR from "normal" immunity, which relies on antigen-formation by covalent hapten-protein adducts and predominantly results in asymptomatic immunity.
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Naik PP. A contemporary snippet on clinical presentation and management of toxic epidermal necrolysis. Scars Burn Heal 2022; 8:20595131221122381. [PMID: 36118413 PMCID: PMC9476246 DOI: 10.1177/20595131221122381] [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] [Indexed: 11/23/2022] Open
Abstract
Introduction Toxic epidermal necrolysis (TEN) is one of the most severe cutaneous adverse reactions with a mortality rate of 30%. Due to a lack of consensus regarding the treatment and management of TEN, therapy is individualized on a case-to-case basis. Purpose The scientific literature about Stevens-Johnson Syndrome (SJS) and TEN is summarized and assessed to aid and assist in determining the optimal course of treatment. Methods PubMed and Google Scholar, among others, were searched with the keywords: “Toxic Epidermal Necrolysis”, “corticosteroids”, “cyclosporine”, “etanercept”, “intravenous immunoglobulin”, “Stevens-Johnson syndrome” and filtered by year. The research articles generated by the search, and their references, were reviewed. Results TEN is a severe dermatological condition that is mainly caused by medicines. World-wide guidelines differ in care plans. As there is no consensus on the management of TEN, this article aims to summarize the efficacy and feasibility of the management aspect of TEN from previous studies. Supportive care is highly accepted, along with early discontinuation of all medicines (hydration & electrolytes). Corticosteroids and cyclosporine have been used in therapy. Intravenous immunoglobulin (IVIG) is currently being administered; however, their efficacy by themselves and in combination remains uncertain. Conclusion Current evidence predominantly from retrospective studies suggests no individual treatment has sufficient efficacy and a multi-faceted regimen stands to be favored. Therapeutic regimens from corticosteroids to IVIG are under constant evaluation. The life-threatening nature of TEN warrants further confirmation with more extensive, robust randomized, controlled trials. Lay Summary Toxic epidermal necrolysis (TEN) is a serious skin reaction with a 30% chance of mortality. Commonly TEN is caused by medicines and results in a burn like appearance and sensation in patients. Usually administered medicine is cleared effectively by the human body but when the clearance of few metabolites from medicine is disrupted due to few genes, it leads to an ominous response by the body. This response involves several intermediate chemicals that primarily attack skin cells. Treatment guidelines differ globally. Supportive care is highly accepted, along with early discontinuation of all medicine. Currently, a multi-faceted treatment regimen is favored. Treatments like corticosteroids to immunoglobulins are under constant evaluation. Identification of the perfect combination of treatment needs confirmation from robust randomized controlled trials.
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Affiliation(s)
- Piyu Parth Naik
- Department of Dermatology, Saudi German Hospital and Clinic, Dubai, United Arab Emirates
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20
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Lee KCH, Ko JP, Oh CC, Sewa DW. Managing respiratory complications in Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis. Int J Dermatol 2021; 61:660-666. [PMID: 34494255 DOI: 10.1111/ijd.15888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 07/29/2021] [Accepted: 08/13/2021] [Indexed: 11/28/2022]
Abstract
In the recently published guidelines by the Society of Dermatology Hospitalists on the management of Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), a brief section was included on airway management. These recommendations provide an easy reference on how to manage respiratory complications of the disease. Understanding the evidence that underlies these recommendations would offer physicians greater clarity on the considerations behind every decision and treatment offered. We present a review of the literature on respiratory manifestations associated with SJS and TEN. In addition, we aim to address specific concerns regarding the respiratory management of these patients. These include issues such as the indications and optimal timing of intubation, tracheostomy, role of flexible nasoendoscopy, bronchoscopy, ventilation strategies, and management of chronic respiratory complications.
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Affiliation(s)
- Ken Cheah Hooi Lee
- Department of Respiratory and Critical Care Medicine, Singapore General Hospital, Singapore, Singapore
| | - Joanna Phone Ko
- Nursing Division (Specialty Nursing), Singapore General Hospital, Singapore, Singapore
| | - Choon Chiat Oh
- Department of Dermatology, Singapore General Hospital, Singapore, Singapore
| | - Duu Wen Sewa
- Department of Respiratory and Critical Care Medicine, Singapore General Hospital, Singapore, Singapore
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Rennekampff HO, Alharbi Z. Burn Injury: Mechanisms of Keratinocyte Cell Death. Med Sci (Basel) 2021; 9:medsci9030051. [PMID: 34287312 PMCID: PMC8293431 DOI: 10.3390/medsci9030051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/27/2021] [Accepted: 07/07/2021] [Indexed: 11/16/2022] Open
Abstract
Cutaneous burn injury is associated with epidermal loss in the zone of coagulation zone and delayed tissue loss in the zone of stasis. Thus, thermal stress can trigger both necrosis and regulated cell death (RCD) or apoptosis. Experimental in vitro and in vivo work has clearly demonstrated apoptotic events of thermally injured keratinocytes that are accompanied by morphological and biochemical markers of regulated cell death. However, in vivo data for the different pathways of regulated cell death are sparse. In vitro experiments with heat-stressed human keratinocytes have demonstrated death receptor involvement (extrinsic apoptosis), calcium influx, and disruption of mitochondrial membrane potential (intrinsic apoptosis) in regulated cell death. In addition, caspase-independent pathways have been suggested in regulated cell death. Keratinocyte heat stress leads to reduced proliferation, possibly as a result of reduced keratinocyte adhesion (anoikis) or oncogene involvement. Understanding the underlying mechanisms of RCD and the skin’s responses to thermal stress may lead to improved strategies for treating cutaneous burn trauma.
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Affiliation(s)
- Hans-Oliver Rennekampff
- Department of Plastic Surgery, Hand and Burn Surgery, Burn Center, Rhein Maas Klinikum, 52146 Wuerselen, Germany
- Correspondence:
| | - Ziyad Alharbi
- Plastic Surgery and Burn Unit, Fakeeh Care & Fakeeh College of Medical Sciences, P.O. Box 2537, Jeddah 21461, Saudi Arabia;
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Chemokines in Severe Cutaneous Adverse Reactions (SCARs). Biomolecules 2021; 11:biom11060847. [PMID: 34204146 PMCID: PMC8228887 DOI: 10.3390/biom11060847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/03/2021] [Accepted: 06/03/2021] [Indexed: 12/19/2022] Open
Abstract
Although the incidence of severe cutaneous adverse reactions (SCARs) to medications is very low, SCARs can result in disability or even death if they are not diagnosed and treated properly. As the rapid recognition of SCARs is essential, it is necessary to develop diagnostic markers for them that can also be used to assess severity and predict outcomes in the early phase. In addition, it is important to identify novel therapeutic targets for SCARs. Chemokines are chemotactic cytokines that control the migratory patterns and locations of immune cells and usually exhibit markedly specific associations with certain human diseases. In Stevens-Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN), the Th1-associated chemokines chemokine (C-X-C motif) ligand 9 (CXCL9) and CXCL10 predominate, while in drug-induced hypersensitivity syndrome (DIHS)/drug reaction with eosinophilia and systemic symptoms (DRESS), the levels of the Th2-associated chemokines chemokine (C-C motif) ligand 17 (CCL17) and CCL22 are markedly elevated. We suggest that the distinct chemokine profiles of SJS/TEN and DIHS/DRESS can be used to aid their differential diagnosis. CXCL10 has also been reported to be associated with the development of long-term sequelae in DIHS/DRESS. This review focuses on the chemokines involved in the pathogenesis and adjuvant diagnosis of SCARs, particularly SJS/TEN and DIHS/DRESS, but also provides a brief overview of SCARs and the chemokine superfamily. As it is being increasingly recognized that an association exists between human herpesvirus 6 (HHV-6) and DIHS/DRESS, the possible roles of the chemokine/chemokine receptor homologs encoded by HHV-6 in the pathogenesis of DIHS/DRESS are also discussed.
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Sernoskie SC, Jee A, Uetrecht JP. The Emerging Role of the Innate Immune Response in Idiosyncratic Drug Reactions. Pharmacol Rev 2021; 73:861-896. [PMID: 34016669 DOI: 10.1124/pharmrev.120.000090] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Idiosyncratic drug reactions (IDRs) range from relatively common, mild reactions to rarer, potentially life-threatening adverse effects that pose significant risks to both human health and successful drug discovery. Most frequently, IDRs target the liver, skin, and blood or bone marrow. Clinical data indicate that most IDRs are mediated by an adaptive immune response against drug-modified proteins, formed when chemically reactive species of a drug bind to self-proteins, making them appear foreign to the immune system. Although much emphasis has been placed on characterizing the clinical presentation of IDRs and noting implicated drugs, limited research has focused on the mechanisms preceding the manifestations of these severe responses. Therefore, we propose that to address the knowledge gap between drug administration and onset of a severe IDR, more research is required to understand IDR-initiating mechanisms; namely, the role of the innate immune response. In this review, we outline the immune processes involved from neoantigen formation to the result of the formation of the immunologic synapse and suggest that this framework be applied to IDR research. Using four drugs associated with severe IDRs as examples (amoxicillin, amodiaquine, clozapine, and nevirapine), we also summarize clinical and animal model data that are supportive of an early innate immune response. Finally, we discuss how understanding the early steps in innate immune activation in the development of an adaptive IDR will be fundamental in risk assessment during drug development. SIGNIFICANCE STATEMENT: Although there is some understanding that certain adaptive immune mechanisms are involved in the development of idiosyncratic drug reactions, the early phase of these immune responses remains largely uncharacterized. The presented framework refocuses the investigation of IDR pathogenesis from severe clinical manifestations to the initiating innate immune mechanisms that, in contrast, may be quite mild or clinically silent. A comprehensive understanding of these early influences on IDR onset is crucial for accurate risk prediction, IDR prevention, and therapeutic intervention.
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Affiliation(s)
- Samantha Christine Sernoskie
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy (S.C.S., J.P.U.), and Department of Pharmacology and Toxicology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada (A.J., J.P.U.)
| | - Alison Jee
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy (S.C.S., J.P.U.), and Department of Pharmacology and Toxicology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada (A.J., J.P.U.)
| | - Jack Paul Uetrecht
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy (S.C.S., J.P.U.), and Department of Pharmacology and Toxicology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada (A.J., J.P.U.)
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Lipový B, Hladík M, Štourač P, Forostyak S. Case Report: Wound Closure Acceleration in a Patient With Toxic Epidermal Necrolysis Using a Lyophilised Amniotic Membrane. Front Bioeng Biotechnol 2021; 9:649317. [PMID: 33937217 PMCID: PMC8085411 DOI: 10.3389/fbioe.2021.649317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/23/2021] [Indexed: 01/03/2023] Open
Abstract
Background: Toxic epidermal necrolysis (TEN) is a rare life-threatening disease that mainly affects the skin and mucous membranes, resulting from a toxic delayed-type hypersensitivity (DTH) reaction (type IV reaction) to the presence of foreign antigens such as drugs. The clinical symptoms are caused by pathophysiological processes leading to massive apoptosis of keratinocytes in the dermo-epidermal junction. This results in the formation of a bulla and subsequent separation of the entire epidermis with the exposure of the dermis. The current approach in the local therapy of TEN prefers the use of biological dressings, which helps provide several critical requirements for defect healing; in particular, it helps in the acceleration of the spontaneous wound closure (re-epithelialization) of the skin defect and the reduction of the risk of development of various complications and infections, such as the risk of pathological scar maturation. This paper is a case report of the use of a lyophilized amniotic membrane (AM) for accelerating wound healing in a patient with TEN. Case Presentation: We report a case of an 8-year-old girl transferred to our center with a histologically confirmed diagnosis of TEN. Despite the application of immunosuppressive therapy consisting of corticosteroids and intravenous immunoglobulins, we have observed disease progression and exfoliation of up to 60% of the total body surface area (TBSA). In the facial area, which is cosmetically privileged, we decided to use the lyophilized amniotic membrane (Amnioderm®) to cover up approximately 2% of the TBSA. Within 2 days after the application, we observed accelerated reepithelialisation, with rapid wound closure. We have not observed any side effects nor infections during the subsequent phases of wound healing. Skin defects in non-facial areas of the body were treated with synthetic dressings. When compared to the areas covered with the lyophilized AM, the healing process was prolonged. Conclusions: To our knowledge, this is the first case study using a lyophilized amniotic membrane in the treatment of a patient with TEN. The AM application in the cosmetically-privileged area (face), proved to be very efficient in the treatment of TEN patients. The use of this allogeneic material demonstrated excellent biocompatibility and caused a unique acceleration of epithelialization and wound healing, yielding also excellent long-term results. The current study opens broad possibilities for clinical application of the used material, the improvement of current therapy of patients with TEN and better outcomes and recovery of patients.
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Affiliation(s)
- Bretislav Lipový
- Department of Burns and Plastic Surgery, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
- Central European Institute of Technology, Brno University of Technology, Brno, Czechia
| | - Martin Hladík
- Department of Burns and Plastic Surgery, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
| | - Petr Štourač
- Department of Paediatric Anaesthesiology and Intensive Care Medicine, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
| | - Serhiy Forostyak
- Department of Burns and Plastic Surgery, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
- PrimeCell Bioscience Inc., Prague, Czechia
- National Tissue Centre Inc., Ostrava, Czechia
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Kuijper E, French L, Tensen C, Vermeer M, Bouwes Bavinck J. Clinical and pathogenic aspects of the severe cutaneous adverse reaction epidermal necrolysis (EN). J Eur Acad Dermatol Venereol 2020; 34:1957-1971. [PMID: 32415695 PMCID: PMC7496676 DOI: 10.1111/jdv.16339] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 02/25/2020] [Indexed: 12/12/2022]
Abstract
The severe cutaneous adverse reaction epidermal necrolysis (EN) which includes toxic epidermal necrolysis and the milder Stevens-Johnson syndrome is characterized by epidermal loss due to massive keratinocyte apoptosis and/or necroptosis. EN is often caused by a drug mediating a specific TCR-HLA interaction via the (pro)hapten, pharmacological interaction or altered peptide loading mechanism involving a self-peptide presented by keratinocytes. (Memory) CD8 + T cells are activated and exhibit cytotoxicity against keratinocytes via the perforin/granzyme B and granulysin pathway and Fas/FasL interaction. Alternatively drug-induced annexin release by CD14 + monocytes can induce formyl peptide receptor 1 death of keratinocytes by necroptosis. Subsequent keratinocyte death stimulates local inflammation, activating other immune cells producing pro-inflammatory molecules and downregulating regulatory T cells. Widespread epidermal necrolysis and inflammation can induce life-threatening systemic effects, leading to high mortality rates. Research into genetic susceptibility aims to identify risk factors for eventual prevention of EN. Specific HLA class I alleles show the strongest association with EN, but risk variants have also been identified in genes involved in drug metabolism, cellular drug uptake, peptide presentation and function of CD8 + T cells and other immune cells involved in cytotoxic responses. After the acute phase of EN, long-term symptoms can remain or arise mainly affecting the skin and eyes. Mucosal sequelae are characterized by occlusions and strictures due to adherence of denuded surfaces and fibrosis following mucosal inflammation. In addition, systemic pathology can cause acute and chronic hepatic and renal symptoms. EN has a large psychological impact and strongly affects health-related quality of life among EN survivors.
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Affiliation(s)
- E.C. Kuijper
- Department of DermatologyLeiden University Medical CentreLeidenThe Netherlands
| | - L.E. French
- Department of Dermatology and AllergyUniversity HospitalLMU MunichMunichGermany
| | - C.P. Tensen
- Department of DermatologyLeiden University Medical CentreLeidenThe Netherlands
| | - M.H. Vermeer
- Department of DermatologyLeiden University Medical CentreLeidenThe Netherlands
| | - J.N. Bouwes Bavinck
- Department of DermatologyLeiden University Medical CentreLeidenThe Netherlands
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Hasegawa A, Abe R. Recent advances in managing and understanding Stevens-Johnson syndrome and toxic epidermal necrolysis. F1000Res 2020; 9. [PMID: 32595945 PMCID: PMC7308994 DOI: 10.12688/f1000research.24748.1] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/10/2020] [Indexed: 12/15/2022] Open
Abstract
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening diseases characterized by detachment of the epidermis and mucous membrane. SJS/TEN are considered to be on the same spectrum of diseases with different severities. They are classified by the percentage of skin detachment area. SJS/TEN can also cause several complications in the liver, kidneys, and respiratory tract. The pathogenesis of SJS/TEN is still unclear. Although it is difficult to diagnose early stage SJS/TEN, biomarkers for diagnosis or severity prediction have not been well established. Furthermore, optimal therapeutic options for SJS/TEN are still controversial. Several drugs, such as carbamazepine and allopurinol, are reported to have a strong relationship with a specific human leukocyte antigen (HLA) type. This relationship differs between different ethnicities. Recently, the usefulness of HLA screening before administering specific drugs to decrease the incidence of SJS/TEN has been investigated. Skin detachment in SJS/TEN skin lesions is caused by extensive epidermal cell death, which has been considered to be apoptosis via the Fas-FasL pathway or perforin/granzyme pathway. We reported that necroptosis, i.e. programmed necrosis, also contributes to epidermal cell death. Annexin A1, released from monocytes, and its interaction with the formyl peptide receptor 1 induce necroptosis. Several diagnostic or prognostic biomarkers for SJS/TEN have been reported, such as CCL-27, IL-15, galectin-7, and RIP3. Supportive care is recommended for the treatment of SJS/TEN. However, optimal therapeutic options such as systemic corticosteroids, intravenous immunoglobulin, cyclosporine, and TNF-α antagonists are still controversial. Recently, the beneficial effects of cyclosporine and TNF-α antagonists have been explored. In this review, we discuss recent advances in the pathophysiology and management of SJS/TEN.
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Affiliation(s)
- Akito Hasegawa
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Riichiro Abe
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Avancées dans la compréhension de la physiopathologie de la nécrolyse épidermique (syndrome de Stevens-Johnson et nécrolyse épidermique toxique). Ann Dermatol Venereol 2020; 147:475-481. [DOI: 10.1016/j.annder.2020.02.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/30/2020] [Accepted: 02/12/2020] [Indexed: 12/17/2022]
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Stoll JR, Vaidya TS, Mori S, Dusza SW, Lacouture ME, Markova A. Association of interleukin-6 and tumor necrosis factor-α with mortality in hospitalized patients with cancer. J Am Acad Dermatol 2020; 84:273-282. [PMID: 32171811 DOI: 10.1016/j.jaad.2020.03.010] [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: 01/17/2020] [Revised: 02/13/2020] [Accepted: 03/05/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Severe cutaneous adverse reactions (SCARs) are associated with high morbidity and mortality in patients with cancer. Early identification and treatment of SCARs may improve outcomes. OBJECTIVE To identify biomarkers to predict outcomes in hospitalized patients with cancer who developed SCARs. METHODS Retrospective review of 144 hospitalized patients with cancer with a morbilliform rash, recorded testing for serum cytokines (interleukin [IL]-6, IL-10, and tumor necrosis factor [TNF]-α) or elafin, and a dermatology consultation. Rashes were categorized as simple morbilliform rash without systemic involvement or complex morbilliform rash with systemic involvement. RESULTS Fifty-four of 144 (37.5%) patients died during follow-up. Elevated levels of IL-6, IL-10, and TNF-α were associated with decreased survival. Overall survivals in patients with elevated levels of IL-6, IL-10, and TNF-α were 53.7%, 56.6%, 53.6%, respectively, compared with 85.7%, 82.5% and 83.6%, respectively, in those with lower levels. Patients with increased levels of both IL-6 and TNF-α had a nearly 6-fold increase in mortality (hazard ratio, 5.82) compared with patients with lower levels. LIMITATIONS Retrospective design, limited sample size, and high-risk population. CONCLUSIONS Hospitalized patients with cancer with rash and elevated IL-6 and TNF-α were nearly 6 times more likely to die over the course of follow-up. These biomarkers may serve as prognostic biomarkers and therapeutic targets for this high-risk population.
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Affiliation(s)
- Joseph R Stoll
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Toral S Vaidya
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Shoko Mori
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Stephen W Dusza
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mario E Lacouture
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Dermatology, Weill Cornell Medical College, New York, New York
| | - Alina Markova
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Dermatology, Weill Cornell Medical College, New York, New York.
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Abstract
Cutaneous adverse drug reactions are unpredictable and include various different skin conditions of varying degrees of severity. The most concerning are usually referred to as severe cutaneous adverse reactions (SCARs) and include acute generalized exanthematous pustulosis (AGEP), drug reaction with eosinophilia and systemic symptoms (DRESS), also known as drug-induced hypersensitivity syndrome (DiHS) or hypersensitivity syndrome (HSS), Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). All are delayed type IV hypersensitivity reactions in which a T-cell-mediated drug-specific immune response is responsible for causing the disease. Nonetheless, specific T-cell subpopulations develop in response to certain environmental conditions and produce cytokines that orchestrate the various phenotypes. Cytotoxic T lymphocytes (CTLs), T-helper type 1 (Th1), Th2, Th17, and regulatory T cells (Treg), among other T-cell subpopulations, participate in the development of SCAR phenotypes. Cell subpopulations belonging to the innate immune system, comprising natural killer cells, innate lymphoid cells, monocytes, macrophages and dendritic cells, can also participate in shaping specific immune responses in various clinical conditions. Additionally, tissue-resident cells, including keratinocytes, can contribute to epidermal damage by secreting chemokines that attract pro-inflammatory immunocytes. The final phenotypes in each clinical entity result from the complex interactions between a variety of cell lineages, their products, soluble mediators and genetic and environmental factors. Although the pathophysiology of these reactions is not fully understood, intensive research in recent years has led to major progress in our understanding of the contribution of certain cell types and soluble mediators to the variability of SCAR phenotypes.
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Affiliation(s)
- Teresa Bellón
- La Paz Hospital Health Research Institute-IdiPAZ, Pº Castellana 261, 28046, Madrid, Spain.
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Jaller JA, McLellan BN, Balagula Y. Wound Management in Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis. CURRENT DERMATOLOGY REPORTS 2020. [DOI: 10.1007/s13671-020-00285-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Shen M, Lim JME, Chia C, Ren EC. CD39 + regulatory T cells modulate the immune response to carbamazepine in HLA-B*15:02 carriers. Immunobiology 2019; 225:151868. [PMID: 31784043 DOI: 10.1016/j.imbio.2019.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/31/2019] [Accepted: 11/12/2019] [Indexed: 12/17/2022]
Abstract
The HLA-B*15:02 allele is associated with an increased risk of developing carbamazepine (CBZ)-induced Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). Many studies, however, have demonstrated that a large majority of HLA-B*15:02 individuals are unlikely to develop the adverse drug reaction while on CBZ. This phenomenon suggests that other factors that modulate the allergic immune response, such as regulatory T cells (Tregs), might contribute to an uncontrolled immune response in SJS/TEN. Peripheral blood mononuclear cells (PBMCs) from 15 healthy HLA-B*15:02 carriers were isolated to investigate the role of Tregs in controlling the immune response towards CBZ. Recognition of CBZ was assessed using enzyme linked immunosorbent spot (ELISPOT) assay for IFN-γ, and the donor T-cell profiles were quantified by flow cytometry to differentiate CBZ responders from non-responders. As CD39 expression on Tregs promotes immune tolerance, we investigated the mechanisms of Treg suppression using inhibitors targeting the CD39/adenosinergic pathway. PBMCs from seven donors (responders) produced high levels of IFN-γ when re-exposed to CBZ, while eight donors (non-responders) did not. Flow cytometric analysis revealed that non-responders produced significantly higher frequencies of CD4+CD25+CD127loCD39+FoxP3+ Tregs compared to responders. CD39 inhibition using POM-1 inhibitor converted five of the eight non-responders into responders (P < 0.05). Higher frequencies of CD4+CD25+CD127loCD39+FoxP3+ Tregs was correlated with lower production of IFN-γ (P < 0.01). Our data suggest that CD4+CD25+CD127loCD39+FoxP3+ Tregs may play a role in promoting CBZ tolerance in HLA-B*15:02 carriers. The CD39/adenosinergic axis can be a potential target to alleviate the uncontrolled immune response during this adverse drug event.
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Affiliation(s)
- Meixin Shen
- Singapore Immunology Network (SIgN), A*STAR, Singapore
| | | | - Cheryl Chia
- Singapore Immunology Network (SIgN), A*STAR, Singapore
| | - Ee Chee Ren
- Singapore Immunology Network (SIgN), A*STAR, Singapore; Department of Microbiology and Immunology, National University of Singapore (NUS), Singapore, Singapore.
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Turner CT, Lim D, Granville DJ. Granzyme B in skin inflammation and disease. Matrix Biol 2019; 75-76:126-140. [DOI: 10.1016/j.matbio.2017.12.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 12/11/2017] [Accepted: 12/12/2017] [Indexed: 01/30/2023]
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Torres M, Mayorga C, Fernández T, Cornejo-García J, Antúnez C, Valenzuela M, Prado MD, Rodriguez-Pena R, Blanca M. T Cell Assessment in Allergic Drug Reactions during the Acute Phase According to the Time of Occurrence. Int J Immunopathol Pharmacol 2018. [DOI: 10.1177/205873920601900112] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Allergic drug reactions can be classified as immediate, accelerated or delayed. This classification usually correlates with the mechanism involved: immediate reactions are IgE mediated and delayed reactions are T cell dependent. We analyzed lymphocyte involvement in patients with these reactions by determining cell subpopulations, activation state and skin homing receptor expression (CLA) in blood and skin. Patients with immediate, accelerated and delayed reactions were evaluated during the acute phase and after resolution. Controls taking drugs were included. Phenotypic immunofluorescence analysis was done by flow cytometry in peripheral blood, and by immunohistochemistry in skin for delayed reactions. Forty-six patients were included, 17 with immediate reactions, 10 accelerated and 19 delayed. At the acute phase CLA was significantly increased in delayed reactions and HLA-DR in all three types of reaction. In the severest delayed reactions, Steven-Johnson/Lyell syndromes, the CD4 subsets were increased in peripheral blood and skin compared to maculopapular exanthemas and urticaria and HLA-DR when compared with urticaria. In maculopapular exanthemas CLA was significantly increased in peripheral blood and skin compared to urticaria and the severe reactions. We found that T-cells are implicated, besides delayed reactions, in immediate and accelerated reactions. In delayed reactions there is a parallelism between results found in skin and peripheral blood with a higher participation of CD4+ cells the more severe the reaction.
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Affiliation(s)
- M.J. Torres
- Allergy Service, Carlos Haya Hospital, Malaga, Spain
| | - C. Mayorga
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | - T.D. Fernández
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | - J.A. Cornejo-García
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | - C. Antúnez
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | - M. Valenzuela
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | | | - R. Rodriguez-Pena
- Research Laboratory for Allergic Diseases, Carlos Haya Hospital, Malaga, Spain
| | - M. Blanca
- Allergy Service, Carlos Haya Hospital, Malaga, Spain
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Mori S, Hickey A, Dusza SW, Lacouture ME, Markova A. Markers of systemic involvement and death in hospitalized cancer patients with severe cutaneous adverse reactions. J Am Acad Dermatol 2018; 80:608-616. [PMID: 30612984 DOI: 10.1016/j.jaad.2018.10.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/03/2018] [Accepted: 10/19/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Severe cutaneous adverse reactions (SCARs) are frequent in inpatient oncology. Early intervention might reduce morbidity, mortality, and hospitalization costs; however, current clinical and histologic features are unreliable SCAR predictors. There is a need to identify rational markers of SCARs that could lead to effective therapeutic interventions. OBJECTIVE To characterize the clinical and serologic features of hospitalized patients with cancer who developed SCARs. METHODS Retrospective review of 49 hospitalized cancer patients with a morbilliform rash, recorded testing for serum cytokines (interleukin [IL] 6, IL-10, and tumor necrosis factor [TNF] α) or elafin, and a prior dermatology consultation. Patients were categorized as having a simple morbilliform rash without systemic involvement or complex morbilliform rash with systemic involvement. RESULTS Fifteen out of 49 patients (30.6%) were deceased at 6 months from time of dermatologic consultation. Elafin, IL-6, and TNF-α were significantly higher in patients who died compared with patients who were still alive at 6 months. IL-6 and IL-10 were significantly higher in patients with a drug-related complex rash. LIMITATIONS Retrospective design, limited sample size, and high-risk patient population. CONCLUSION In cancer patients with SCARs, elafin, IL-6, and TNF-α levels might predict a poor outcome. Agents directed against these targets might represent rational treatments for the prevention of fatal SCARs.
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Affiliation(s)
- Shoko Mori
- Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York; SUNY Downstate College of Medicine, Brooklyn, New York
| | - Alanna Hickey
- University of Massachusetts Medical School, Worcester, Massachusetts
| | - Stephen W Dusza
- Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mario E Lacouture
- Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Dermatology, Weill Cornell Medical College, New York, New York
| | - Alina Markova
- Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Dermatology, Weill Cornell Medical College, New York, New York.
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Abstract
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are considered a delayed-type hypersensitivity reaction to drugs. They represent true medical emergencies and an early recognition and appropriate management is decisive for the survival. SJS/TEN manifest with an "influenza-like" prodromal phase (malaise, fever), followed by painful cutaneous and mucous membrane (ocular, oral, and genital) lesions, and other systemic symptoms. The difference between SJS, SJS/TEN overlap, and TEN is defined by the degree of skin detachment: SJS is defined as skin involvement of < 10%, TEN is defined as skin involvement of > 30%, and SJS/TEN overlap as 10-30% skin involvement. The diagnosis of different degrees of epidermal necrolysis is based on the clinical assessment in conjunction with the corresponding histopathology. The mortality rates for SJS and TEN have decreased in the last decades. Today, the severity-of-illness score for toxic epidermal necrolysis (SCORTEN) is available for SJS/TEN severity assessment. Drugs with a high risk of causing SJS/TEN are anti-infective sulfonamides, anti-epileptic drugs, non-steroidal anti-inflammatory drugs of the oxicam type, allopurinol, nevirapine, and chlormezanone. Besides conventional drugs, herbal remedies and new biologicals should be considered as causative agents. The increased risk of hypersensitivity reactions to certain drugs may be linked to specific HLA antigens. Our understanding of the pathogenesis of SJS/TEN has improved: drug-specific T cell-mediated cytotoxicity, genetic linkage with HLA- and non-HLA-genes, TCR restriction, and cytotoxicity mechanisms were clarified. However, many factors contributing to epidermal necrolysis still have to be identified, especially in virus-induced and autoimmune forms of epidermal necrolysis not related to drugs. In SJS/TEN, the most common complications are ocular, cutaneous, or renal. Nasopharyngeal, esophageal, and genital mucosal involvement with blisters, erosions as well as secondary development of strictures also play a role. However, in the acute phase, septicemia is a leading cause of morbidity and fatality. Pulmonary and hepatic involvement is frequent. The acute management of SJS/TEN requires a multidisciplinary approach. Immediate withdrawal of potentially causative drugs is mandatory. Prompt referral to an appropriate medical center for specific supportive treatment is of utmost importance. The most frequently used treatments for SJS/TEN are systemic corticosteroids, immunoglobulins, and cyclosporine A.
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Desmoglein1 Deficiency Is a Potential Cause of Cutaneous Eruptions Induced by Shuanghuanglian Injection. Molecules 2018; 23:molecules23061477. [PMID: 29921748 PMCID: PMC6099613 DOI: 10.3390/molecules23061477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 06/13/2018] [Indexed: 12/15/2022] Open
Abstract
Cutaneous eruption is a common drug-adverse reaction, characterised by keratinocytes inflammation and apoptosis. Shuanghuanglian injeciton (SHLI) is a typical Chinese medicine injection, which is used to treat influenza. It has been reported that SHLI has the potential to induce cutaneous adverse eruptions. However, the mechanisms remain unclear. Since desmoglein 1 (DSG1) shows a crucial role in maintaining skin barrier function and cell susceptibility, we assume that DSG1 plays a critical role in the cutaneous eruptions induced by SHLI. In our study, retinoic acid (RA) was selected to downregulate the DSG1 expression, and lipopolysaccharide (LPS) was first used to identify the susceptibility of the DSG1-deficiency Hacat cells. Then, SHLI was administrated to normal or DSG1-deficient Hacat cells and mice. The inflammatory factors and apoptosis rate were evaluated by RT-PCR and flow cytometry. The skin pathological morphology was observed by hematoxylin and eosin (HE) staining. Our results show that treated only with SHLI could not cause IL-4 and TNF-α mRNA increases in normal Hacat cells. However, in the DSG1-deficient Hacat cells or mice, SHLI induced an extreme increase of IL-4 and TNF-α mRNA levels, as well as in the apoptosis rate. The skin tissue showed a local inflammatory cell infiltration when treated with SHIL in the DSG1-deficient mice. Thus, we concluded that DSG1 deficiency was a potential causation of SHLI induced eruptions. These results indicated that keratinocytes with DSG1 deficiency were likely to induce the cutaneous eruptions when stimulated with other medicines.
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Poizeau F, Gaudin O, Le Cleach L, Duong TA, Hua C, Hotz C, Ingen-Housz-Oro S, Sbidian E, Zehou O, Colin A, de Prost N, Lebrun-Vignes B, Chosidow O, Wolkenstein P, Fardet L. Cyclosporine for Epidermal Necrolysis: Absence of Beneficial Effect in a Retrospective Cohort of 174 Patients—Exposed/Unexposed and Propensity Score-Matched Analyses. J Invest Dermatol 2018; 138:1293-1300. [DOI: 10.1016/j.jid.2017.12.034] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/26/2017] [Accepted: 12/20/2017] [Indexed: 11/27/2022]
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An Updated Review of the Molecular Mechanisms in Drug Hypersensitivity. J Immunol Res 2018; 2018:6431694. [PMID: 29651444 PMCID: PMC5830968 DOI: 10.1155/2018/6431694] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/09/2017] [Indexed: 02/07/2023] Open
Abstract
Drug hypersensitivity may manifest ranging from milder skin reactions (e.g., maculopapular exanthema and urticaria) to severe systemic reactions, such as anaphylaxis, drug reactions with eosinophilia and systemic symptoms (DRESS)/drug-induced hypersensitivity syndrome (DIHS), or Stevens–Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN). Current pharmacogenomic studies have made important strides in the prevention of some drug hypersensitivity through the identification of relevant genetic variants, particularly for genes encoding drug-metabolizing enzymes and human leukocyte antigens (HLAs). The associations identified by these studies are usually drug, phenotype, and ethnic specific. The drug presentation models that explain how small drug antigens might interact with HLA and T cell receptor (TCR) molecules in drug hypersensitivity include the hapten theory, the p-i concept, the altered peptide repertoire model, and the altered TCR repertoire model. The broad spectrum of clinical manifestations of drug hypersensitivity involving different drugs, as well as the various pathomechanisms involved, makes the diagnosis and management of it more challenging. This review highlights recent advances in our understanding of the predisposing factors, immune mechanisms, pathogenesis, diagnostic tools, and therapeutic approaches for drug hypersensitivity.
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Treatments for Severe Cutaneous Adverse Reactions. J Immunol Res 2017; 2017:1503709. [PMID: 29445753 PMCID: PMC5763067 DOI: 10.1155/2017/1503709] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 11/16/2017] [Indexed: 12/17/2022] Open
Abstract
Severe cutaneous adverse reaction (SCAR) is life-threatening. It consists of Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN), drug reaction with eosinophilia and systemic symptoms (DRESS), acute generalized exanthematous pustulosis (AGEP), and generalized bullous fixed drug eruptions (GBFDE). In the past years, emerging studies have provided better understandings regarding the pathogenesis of these diseases. These diseases have unique presentations and distinct pathomechanisms. Therefore, theoretically, the options of treatments might be different among various SCARs. However, due to the rarity of these diseases, sufficient evidence is still lacking to support the best choice of treatment for patients with SCAR. Herein, we will provide a concise review with an emphasis on the characteristics and treatments of each SCAR. It may serve as a guidance based on the current best of knowledge and may shed light on the directions for further investigations.
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Ortonne N. [Histopathology of cutaneous drug reactions]. Ann Pathol 2017; 38:7-19. [PMID: 29279184 DOI: 10.1016/j.annpat.2017.10.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Accepted: 10/26/2017] [Indexed: 12/17/2022]
Abstract
There are many different types of cutaneous adverse reactions. The most classical reactions are driven by T lymphocytes that specifically react towards a drug, with an individual genetic susceptibility linked to certain type I major histocompatibility complex alleles. These reactions are characterized by a wide variety of clinical and histopathological presentations, and a wide range of severity. The most frequent entity is the maculopapular rash, while the most aggressive forms are the Steven-Johnson syndrome and toxic epidermal necrolysis (SJS-TEN). The histopathological alterations associated to each of these syndromes have been better described in the literature during the past 10 years, encompassing non-specific lesions, as in most drug induced maculopapular rashes, to more specific inflammatory patterns. The finding of confluent apoptotic keratinocytes with epidermal detachment is the prototypical aspect of SJS-TEN. There are however numerous pitfalls, and a similar aspect to those observed in each cutaneous drug reactions entities can be found in other diseases. DRESS syndrome can indeed present with dense and epidermotropic T-cell infiltrate, sometimes with nuclear atypias, and thus can be difficult to distinguish from a primary or secondary cutaneous T-cell lymphoma. The diagnosis of cutaneous adverse reactions relies on a clinical-pathological confrontation and requires an accurate evaluation of drug imputability.
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Affiliation(s)
- Nicolas Ortonne
- Département de pathologie, hôpital Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France.
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Pavlos R, White KD, Wanjalla C, Mallal SA, Phillips EJ. Severe Delayed Drug Reactions: Role of Genetics and Viral Infections. Immunol Allergy Clin North Am 2017; 37:785-815. [PMID: 28965641 PMCID: PMC5702581 DOI: 10.1016/j.iac.2017.07.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Adverse drug reactions (ADRs) are a significant source of patient morbidity and mortality and represent a major burden to health care systems and drug development. Up to 50% of such reactions are preventable. Although many ADRs can be predicted based on the on-target pharmacologic activity, ADRs arising from drug interactions with off-target receptors are recognized. Off-target ADRs include the immune-mediated ADRs (IM-ADRs) and pharmacologic drug effects. In this review, we discuss what is known about the immunogenetics and pathogenesis of IM-ADRs and the hypothesized role of heterologous immunity in the development of IM-ADRs.
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Affiliation(s)
- Rebecca Pavlos
- Institute for Immunology and Infectious Diseases, Murdoch University, 6150 Murdoch, Western Australia, Australia
| | - Katie D White
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Celestine Wanjalla
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Simon A Mallal
- Institute for Immunology and Infectious Diseases, Murdoch University, 6150 Murdoch, Western Australia, Australia; Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Elizabeth J Phillips
- Institute for Immunology and Infectious Diseases, Murdoch University, 6150 Murdoch, Western Australia, Australia; Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA.
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Improving mortality outcomes of Stevens Johnson syndrome/toxic epidermal necrolysis: A regional burns centre experience. Burns 2017; 44:603-611. [PMID: 29029855 DOI: 10.1016/j.burns.2017.09.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 08/25/2017] [Accepted: 09/15/2017] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Stevens Johnson Syndrome/toxic epidermal necrolysis (SJS/TEN) are rare, potentially fatal desquamative disorders characterised by large areas of partial thickness skin and mucosal loss. The degree of epidermal detachment that occurs has led to SJS/TEN being described as a burn-like condition. These patients benefit from judicious critical care, early debridement and meticulous wound care. This is best undertaken within a multidisciplinary setting led by clinicians experienced in the management of massive skin loss and its sequelae. In this study, we examined the clinical outcomes of SJS/TEN overlap & TEN patients managed by our regional burns service over a 12-year period. We present our treatment model for other burn centres treating SJS/TEN patients. METHODS A retrospective case review was performed for all patients with a clinical diagnosis of TEN or SJS/TEN overlap admitted to our paediatric and adult burns centre between June 2004 and December 2016. Patient demographics, percentage total body surface area (%TBSA), mucosal involvement, causation, severity of illness score (SCORTEN), length of stay and survival were appraised with appropriate statistical analysis performed using Graph Pad Prism 7.02 Software. RESULTS During the study period, 42 patients (M26; F: 16) with TEN (n=32) and SJS/TEN overlap (n=10) were managed within our burns service. Mean %TBSA of cutaneous involvement was 57% (range 10-100%) and mean length of stay (LOS) was 27 days (range 1-144 days). We observed 4 deaths in our series compared to 16 predicted by SCORTEN giving a standardised mortality ratio (SMR) of 24%. CONCLUSION Management in our burns service with an aggressive wound care protocol involving debridement of blistered epidermis and wound closure with synthetic and biological dressings seems to have produced benefits in mortality when compared to predicted outcomes.
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Lipový B, Cvanová M. The role of antithrombin in patients with toxic epidermal necrolysis. Burns 2017; 43:1135-1137. [PMID: 28420566 DOI: 10.1016/j.burns.2017.01.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 01/24/2017] [Indexed: 11/18/2022]
Affiliation(s)
- Břetislav Lipový
- Department of Burns and Reconstructive Surgery, University Hospital Brno, Czechia; Medical Faculty, Masaryk University Brno, Czechia.
| | - Michaela Cvanová
- Institute of Biostatistics and Analyses at the Faculty of Medicine of the Masaryk University, Brno, Czechia
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Dodiuk-Gad RP, Chung WH, Shear NH. Adverse Medication Reactions. CLINICAL AND BASIC IMMUNODERMATOLOGY 2017. [PMCID: PMC7123512 DOI: 10.1007/978-3-319-29785-9_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cutaneous adverse drug reactions (ADRs) are among the most frequent adverse reactions in patients receiving drug therapy. They have a broad spectrum of clinical manifestations, are caused by various drugs, and result from different pathophysiological mechanisms. Hence, their diagnosis and management is challenging. Severe cutaneous ADRs comprise a group of diseases with major morbidity and mortality, reaching 30 % mortality rate in cases of Toxic Epidermal Necrolysis. This chapter covers the terminology, epidemiology, pathogenesis and classification of cutaneous ADR, describes the severe cutaneous ADRs and the clinical and laboratory approach to the patient with cutaneous ADR and presents the translation of laboratory-based discoveries on the genetic predisposition and pathogenesis of cutaneous ADRs to clinical management guidelines.
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Interleukin-15 Is Associated with Severity and Mortality in Stevens-Johnson Syndrome/Toxic Epidermal Necrolysis. J Invest Dermatol 2016; 137:1065-1073. [PMID: 28011147 DOI: 10.1016/j.jid.2016.11.034] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 11/20/2016] [Accepted: 11/23/2016] [Indexed: 01/31/2023]
Abstract
Early diagnosis and prognosis monitoring for Stevens-Johnson syndrome/toxic epidermal necrolysis (TEN) still remain a challenge. This study aims to explore any cytokine/chemokine with prognostic potential in Stevens-Johnson syndrome/TEN. Through screening a panel of 28 serological factors, IL-6, IL-8, IL-15, tumor necrosis factor-α, and granulysin were upregulated in patients with Stevens-Johnson syndrome/TEN and selected for the further validation in total 155 patients with Stevens-Johnson syndrome/TEN, including 77 from Taiwan and 78 from the Registry of Severe Cutaneous Adverse Reactions. Among these factors evaluated, the levels of IL-15 (r = 0.401; P < 0.001) and granulysin (r = 0.223; P = 0.026) were significantly correlated with the disease severity in 112 samples after excluding patients with insufficient data to calculate the score of TEN. In addition, IL-15 was also associated with mortality (P = 0.002; odds ratio, 1.09; 95% confidence interval, 1.03-1.14; P = 0.001; adjusted odds ratio, 1.10; 95% confidence interval, 1.04-1.16). Consistent results were obtained after the exclusion of Taiwanese patients with sepsis to rule out possible confounders. Moreover, IL-15 was shown to enhance cytotoxicity of cultured natural killer cells and blister cells from patients with TEN. Our findings highlight a usefulness of IL-15 in prognosis monitoring and therapeutic intervention of this devastating condition.
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Heng YK, Lee HY, Roujeau JC. Epidermal necrolysis: 60 years of errors and advances. Br J Dermatol 2016; 173:1250-4. [PMID: 26769645 DOI: 10.1111/bjd.13989] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2015] [Indexed: 12/12/2022]
Abstract
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare conditions characterized by extensive epidermal detachment and mucositis. Both are associated with a high mortality rate and significant long-term morbidity. Since the initial report introducing the term TEN in 1956, diagnosis of the condition has been fraught with difficulties that continue to exist today. The terms 'erythema multiforme major' (EMM) and SJS, and their relationship to TEN have also been confusing to clinicians. It is now recognized that EMM is a different entity from SJS and TEN in terms of demographics, causality and severity. SJS and TEN represent a continuum of disease, and differ only by the extent of epidermal detachment and therefore severity. The term 'epidermal necrolysis' (EN) is used in this article to describe the spectrum of disease that includes SJS and TEN. Important advances in understanding the pathomechanism and treatment of EN have been made over the years. These include the recognition of human leucocyte antigen (HLA) associations (e.g. HLA-B*1502 with carbamazepine-induced TEN) and understanding of the pathogenic roles of drug-specific cytotoxic T cells and granulysin. It was previously believed that widespread keratinocyte death in EN is predominantly mediated by soluble Fas-ligand and that intravenous immunoglobulin therapy is useful in blocking this mechanism with resultant survival benefits. Further studies have since proven these theories to be incorrect. This short review describes the key advances in the terminology, classification, causality and treatment of EN, and identifies future priorities and challenges in the understanding and management of this condition.
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Affiliation(s)
- Y K Heng
- National Skin Centre, 1 Mandalay Road, Singapore, 308205
| | - H Y Lee
- Department of Dermatology, Singapore General Hospital, Singapore
| | - J-C Roujeau
- Université Paris Est Créteil, Créteil, France
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Immunopathogenesis and risk factors for allopurinol severe cutaneous adverse reactions. Curr Opin Allergy Clin Immunol 2016; 16:339-45. [DOI: 10.1097/aci.0000000000000286] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Yang Y, Li F, Du J, Shen Y, Lin J, Zhu X, Luo X, Liang J, Xu J. Variable levels of apoptotic signal-associated cytokines in the disease course of patients with Stevens-Johnson syndrome and toxic epidermal necrolysis. Australas J Dermatol 2016; 58:e61-e67. [PMID: 27040133 DOI: 10.1111/ajd.12462] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 01/31/2016] [Indexed: 12/01/2022]
Abstract
BACKGROUND/OBJECTIVES Keratinocyte death is a hallmark of Stevens-Johnson syndrome and toxic epidermal necrolysis (SJS/TEN). Apoptotic signal-associated cytokines, such as TNF-α, sFasL, granulysin, sTRAIL and IFN-γ have been reported to participate in keratinocyte apoptosis. However, their levels are variable, which hampers the elucidation of the role of these cytokines. We sought to determine whether cytokine levels vary with disease course. METHODS The serum cytokine levels of 24 patients and blister fluid of 10 were analysed by enzyme-linked immunosorbent assay on the first day of their admission to hospital and were evaluated at different time points in the disease course. Meanwhile, surface markers (CD3, CD4, CD8, CD1a, CD14, CD16+56 and CD68) of blister fluid cells were measured by flow cytometry. RESULTS The concentrations of all cytokines in the serum and blister fluid were higher than those in the controls and were more elevated in the blister fluid than in the serum. Moreover, sTRAIL, IFN-γ and TNF-α quantities were relatively stable, while those of sFasL and granulysin decreased rapidly in the disease course. On the first day, CD8+ T and natural killer cells were predominant in the blister fluid but their relative percentage diminished gradually, while that of CD14+ cells increased. CONCLUSION Our study confirmed there are high but variable levels of these cytokines in SJS/TEN, especially in the early phase and different tendencies are manifested in the disease course.
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Affiliation(s)
- Yongsheng Yang
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Feng Li
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Juan Du
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Yanyun Shen
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Jinran Lin
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Xiaohua Zhu
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Xiaoqun Luo
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Jun Liang
- Department of Dermatology, Huashan Hospital, Shanghai, China
| | - Jinhua Xu
- Department of Dermatology, Huashan Hospital, Shanghai, China
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Kang MH. Ocular Manifestations of Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis. ACTA ACUST UNITED AC 2016. [DOI: 10.7599/hmr.2016.36.3.174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Min Ho Kang
- Department of Ophthalmology, Hanyang University College of Medicine, Seoul, Korea
- Department of Ophthalmology, Hanyang University Guri Hospital, Guri, Korea
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