1
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Gooderham MJ, Bissonnette R, Kalia S, Papp KA, Guenther LC, Gulliver WP, Ho V, Shear NH, Vender R, Gniadecki R, Prajapati VH, Turchin I, Langholff W, Parnell K, Simpson SD, Abbarin N, Lakhani O, Alhusayen R. Baseline Characteristics of Canadian Patients in the Psoriasis Longitudinal Assessment and Registry (PSOLAR). J Cutan Med Surg 2023; 27:594-600. [PMID: 37571829 PMCID: PMC10714709 DOI: 10.1177/12034754231191509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/07/2023] [Accepted: 07/14/2023] [Indexed: 08/13/2023]
Abstract
BACKGROUND The Psoriasis Longitudinal Assessment and Registry (PSOLAR) is a global, prospective, longitudinal, disease-based registry. It serves as a post-marketing safety commitment with a focus on patients with moderate to severe plaque psoriasis who are candidates for systemic therapy. OBJECTIVES To describe the baseline disease demographics and clinical characteristics of a Canadian subgroup of participants enrolled in PSOLAR. METHODS Baseline demographic/disease characteristics, medical histories, and previous psoriasis treatments for Canadian patients in PSOLAR were summarized using descriptive statistics. RESULTS There were 1896 patients analyzed in the Canadian subgroup at 37 clinical sites, accounting for 15.7% of the global PSOLAR population. Baseline disease and clinical characteristics were as expected for a moderate to severe psoriasis population and were generally similar to the global PSOLAR population. Two distinctions were noted in the Canadian subgroup versus those enrolled globally: a higher proportion of patients were overweight/obese (84.7% vs. 80.4%) and male (61.4% vs. 54.7%). In addition, the Canadian subgroup had numerically higher historical peak disease activity (PGA score 3.35 vs. 3.1) and longer disease duration (22.3 years vs. 17.5 years). Canadian PSOLAR patients reported a variety of comorbidities, including psoriatic arthritis (31.5%), hypertension (34.6%), hyperlipidemia (24.3%), mental illness (24.1%), and inflammatory bowel disease (1.6%). CONCLUSION The Canadian subgroup of PSOLAR patients was generally similar to those enrolled globally with respect to baseline disease demographics and clinical characteristics. Multiple comorbidities are noted in the Canadian subgroup, underscoring the need for a holistic approach to the treatment of psoriatic patients.
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Affiliation(s)
- Melinda J. Gooderham
- SKiN Centre for Dermatology and Probity Medical Research, Peterborough, ON, Canada
| | | | - Sunil Kalia
- Department of Dermatology and Skin Science, University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, BC, Canada
| | - Kim A. Papp
- Probity Medical Research and Alliance Clinical Trials, Waterloo, ON, Canada
| | | | - Wayne P. Gulliver
- Memorial University of Newfoundland and New Lab Life Sciences, St. John’s, NL, Canada
| | - Vincent Ho
- Department of Dermatology and Skin Science, University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, BC, Canada
| | - Neil H. Shear
- Division of Dermatology, Sunnybrook Health Sciences Centre, University of Toronto, ON, Canada
| | - Ron Vender
- Dermatrials Research Inc., Hamilton, ON, Canada
| | - Robert Gniadecki
- Division of Dermatology, Department of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Vimal H. Prajapati
- Division of Dermatology, Department of Medicine, University of Calgary, Calgary, AB, Canada
- Section of Community Pediatrics, Department of Pediatrics, University of Calgary, Calgary, AB, Canada
- Department of Pediatrics, Section of Pediatric Rheumatology, Calgary, AB, Canada
- Dermatology Research Institute, Calgary, AB, Canada
- Skin Health & Wellness Centre, Calgary, AB, Canada
- Probity Medical Research, Calgary, AB, Canada
| | - Irina Turchin
- Probity Medical Research and Alliance Clinical Trials, Waterloo, ON, Canada
- Brunswick Dermatology Centre, Fredericton, NB, Canada
| | | | - Kim Parnell
- Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | | | | | | | - Raed Alhusayen
- Division of Dermatology, Sunnybrook Health Sciences Centre, University of Toronto, ON, Canada
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2
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Sibbald C, Shear NH, Verstegen RHJ. Flaws and Limitations of Classification Criteria for Drug Reaction With Eosinophilia and Systemic Symptoms. J Allergy Clin Immunol Pract 2023; 11:2693-2696. [PMID: 37236348 DOI: 10.1016/j.jaip.2023.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023]
Affiliation(s)
- Cathryn Sibbald
- Division of Dermatology, Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.
| | - Neil H Shear
- Department of Medicine, Division of Dermatology, University of Toronto, Toronto, Ontario, Canada
| | - Ruud H J Verstegen
- Division of Clinical Pharmacology and Toxicology, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada; Division of Rheumatology, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
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3
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Parisi R, Shah H, Navarini AA, Muehleisen B, Ziv M, Shear NH, Dodiuk-Gad RP. Acute Generalized Exanthematous Pustulosis: Clinical Features, Differential Diagnosis, and Management. Am J Clin Dermatol 2023:10.1007/s40257-023-00779-3. [PMID: 37156992 PMCID: PMC10166469 DOI: 10.1007/s40257-023-00779-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2023] [Indexed: 05/10/2023]
Abstract
Acute generalized exanthematous pustulosis (AGEP) is a rare, acute, severe cutaneous adverse reaction mainly attributed to drugs, although other triggers, including infections, vaccinations, ingestion of various substances, and spider bites, have also been described. AGEP is characterized by the development of edema and erythema followed by the eruption of multiple punctate, non-follicular, sterile pustules and subsequent desquamation. AGEP typically has a rapid onset and prompt resolution within a few weeks. The differential diagnoses for AGEP are broad and include infectious, inflammatory, and drug-induced etiologies. Diagnosis of AGEP depends on both clinical and histologic criteria, as cases of overlap with other disease processes have been reported. Management includes removal of the offending drug or treatment of the underlying cause, if necessary, and supportive care, as AGEP is a self-limited disease. This review aims to provide an overview and update on the epidemiology, pathogenesis, reported precipitating factors, differentials, diagnosis, and management of AGEP.
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Affiliation(s)
- Rose Parisi
- Albany Medical College, Albany, New York, NY, USA
| | - Hemali Shah
- Albany Medical College, Albany, New York, NY, USA
| | - Alexander A Navarini
- Department of Dermatology and Allergy, University Hospital of Basel, Basel, Switzerland
| | - Beda Muehleisen
- Department of Dermatology and Allergy, University Hospital of Basel, Basel, Switzerland
| | - Michael Ziv
- Department of Dermatology, Emek Medical Center, Afula, Israel
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, M5S 1A1, Canada
| | - Roni P Dodiuk-Gad
- Department of Dermatology, Emek Medical Center, Afula, Israel.
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, M5S 1A1, Canada.
- Department of Dermatology, Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, 3525433, Israel.
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4
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Parisi R, Shah H, Shear NH, Ziv M, Markova A, Dodiuk-Gad RP. A Review of Bullous Dermatologic Adverse Events Associated with Anti-Cancer Therapy. Biomedicines 2023; 11:biomedicines11020323. [PMID: 36830860 PMCID: PMC9953054 DOI: 10.3390/biomedicines11020323] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The rapid evolution of anti-cancer therapy (including chemotherapy, targeted therapy, and immunotherapy) in recent years has led to a more favorable efficacy and safety profile for a growing cancer population, and the improvement of overall survival and reduction of morbidity for many cancers. Anti-cancer therapy improves outcomes for cancer patients; however, many classes of anti-cancer therapy have been implicated in the induction of bullous dermatologic adverse events (DAE), leading to reduced patient quality of life and in some cases discontinuation of life-prolonging or palliative therapy. Timely and effective management of adverse events is critical for reducing treatment interruptions and preserving an anti-tumor effect. Bullous DAE may be limited to the skin or have systemic involvement with greater risk of morbidity and mortality. We present the epidemiology, diagnosis, pathogenesis, and management of bullous DAE secondary to anti-cancer therapies to enable clinicians to optimize management for these patients.
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Affiliation(s)
- Rose Parisi
- Albany Medical College, Albany, NY 12208, USA
| | - Hemali Shah
- Albany Medical College, Albany, NY 12208, USA
| | - Neil H. Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Michael Ziv
- Department of Dermatology, Emek Medical Center, Afula 1834111, Israel
| | - Alina Markova
- Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
- Weill Cornell Medical College, Cornell University, New York, NY 10021, USA
- Correspondence:
| | - Roni P. Dodiuk-Gad
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Dermatology, Emek Medical Center, Afula 1834111, Israel
- Department of Dermatology, Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa 3525433, Israel
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5
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Azar M, Lagacé F, Muntyanu A, Netchiporouk E, Zhou Y, Lynde C, Moreau L, Mathieu S, Sasseville D, Asiniwasis R, Shear NH, Gniadecki R, Rahme E, Litvinov IV. Measuring h-index and scholarly productivity in academic dermatology in Canada. Scientometrics 2022; 128:1071-1090. [PMID: 37033383 PMCID: PMC10077966 DOI: 10.1007/s11192-022-04589-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Promotion in academia heavily relies on research productivity. The h-index is a standardized metric used to quantify research productivity at the individual level. We evaluated factors associated with h -index in dermatology across select Canadian academic centers with special focus on sex and academic rank. Medical academic centers throughout Canada with dermatology training programs were included. For each faculty member, we extracted the following data from public sources: sex, graduate degree, academic rank, years since the Fellow of the Royal College of Physicians and Surgeons of Canada (FRCPC) certification or equivalent, recent Canadian Institutes of Health Research (CIHR) funding and H-index (based on Scopus author profile). Log-linear univariate and multivariate regression analyses were performed to evaluate the association between h-index and these factors. An ordinal logistic regression was performed to explore sex differences in academic ranking. Our results showed that out of 300 faculty members across Canada, 155 were females (51.67%) and 145 were male (48.33%). H-index was available for 279 dermatologists. The average h-index was 8.35 (SD 11.53) and the median was 4.00 (1st quartile = 2.00, 3rd quartile = 10.00). Higher h-index was associated with more years since dermatology certification, successive academic rank, graduate degree and recent CIHR funding, but not with sex. In conclusion, h-index was not associated with sex when controlling for potential confounders. These results could reflect recent demographic changes in the field with an increase in newly appointed female dermatologists. Longitudinal assessment of academic productivity in dermatology is needed to assess the impact of continued efforts to promote equal opportunities in the field.
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Affiliation(s)
- Marleine Azar
- Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Francois Lagacé
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Anastasiya Muntyanu
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Elena Netchiporouk
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Youwen Zhou
- Department of Dermatology and Skin Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Charles Lynde
- Division of Dermatology, University of Toronto, Toronto, ON, Canada
| | - Linda Moreau
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Steve Mathieu
- Division of Dermatology, Laval University, Quebec City, QC, Canada
| | - Denis Sasseville
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Rachel Asiniwasis
- Division of Dermatology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Neil H. Shear
- Division of Dermatology, University of Toronto, Toronto, ON, Canada
| | - Robert Gniadecki
- Division of Dermatology, University of Alberta, Edmonton, AB, Canada
| | - Elham Rahme
- Division of Clinical Epidemiology, McGill University, Montreal, QC, Canada
| | - Ivan V. Litvinov
- Division of Dermatology, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
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6
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Martinez-Cabriales SA, Shear NH. Comment on "Toxic epidermal necrolysis (TEN) after first dose of Pfizer (BNT162b2) vaccination and pharmacogenomic-based-point-care support: First case report in pediatric and review of literature". Pediatr Dermatol 2022; 39:671-672. [PMID: 36000935 PMCID: PMC9538367 DOI: 10.1111/pde.14987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 03/11/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Sylvia Aide Martinez-Cabriales
- Department of Medicine, Dermatology Division, University of Toronto, Toronto, Ontario, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,School of Medicine Autonomous, University of Nuevo Leon, Monterrey, Mexico
| | - Neil H Shear
- Department of Medicine, Dermatology Division, University of Toronto, Toronto, Ontario, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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7
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Martinez-Cabriales SA, Shear NH. Time to codify a challenge in communication. J DERMATOL TREAT 2022; 33:2593-2594. [DOI: 10.1080/09546634.2022.2049589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Neil H. Shear
- Department of Medicine, Division of Dermatology, University of Toronto, Toronto, Canada
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8
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Tonkin R, Ladha M, Johnson N, Astle WF, Britton A, Shear NH, Murguía-Favela L, Ramien M. Reactive infectious mucocutaneous eruption – repeat etanercept after intravenous immunoglobulin: A case report. SAGE Open Med Case Rep 2022; 10:2050313X221117887. [PMID: 36003890 PMCID: PMC9393491 DOI: 10.1177/2050313x221117887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Reactive infectious mucocutaneous eruption is a recently distinguished mucosal-predominant blistering eruption triggered by respiratory infections. We describe a previously healthy 11-year-old Black female with rapidly progressive mucocutaneous blistering after prodromal respiratory infection symptoms. Reactive infectious mucocutaneous eruption was suspected and treated with systemic corticosteroids followed by etanercept. Twenty-four hours after etanercept, the diagnosis of multisystem inflammatory syndrome in children was raised and intravenous immunoglobulin was given. Rapidly worsening mucocutaneous disease ensued but was controlled by a second dose of etanercept. Our case highlights the following: (1) the novel observation of possible interaction/neutralization of etanercept by intravenous immunoglobulin, (2) the challenging differential diagnosis of multisystem inflammatory syndrome in children for reactive infectious mucocutaneous eruption patients in the Coronavirus disease 2019 (COVID-19) pandemic, and (3) the role of early treatment to prevent dyspigmentation.
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Affiliation(s)
- Rochelle Tonkin
- Division of Dermatology, Department of Medicine, University of Calgary, Calgary, AB, Canada
| | - Malika Ladha
- Department of Dermatology, University of Toronto, Toronto, ON, Canada
- Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Nicole Johnson
- Section of Rheumatology, Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - William F Astle
- Pediatric Ophthalmology, Vision Clinic, Alberta Children’s Hospital, Department of Surgery, University of Calgary, Calgary, AB, Canada
| | - Ami Britton
- Wound Care/Surgery Clinic Nurse, Department of Pediatrics, Alberta Children’s Hospital, University of Calgary, Calgary, AB, Canada
| | - Neil H Shear
- Department of Dermatology, University of Toronto, Toronto, ON, Canada
- Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Luis Murguía-Favela
- Section of Hematology and Immunology, Department of Pediatrics, Alberta Children’s Hospital, University of Calgary, Calgary, AB, Canada
| | - Michele Ramien
- Division of Dermatology, Department of Medicine, University of Calgary, Calgary, AB, Canada
- Division of Community Pediatrics (Dermatology), Department of Pediatrics, Alberta Children’s Hospital, University of Calgary, Calgary, AB, Canada
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9
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Chang WC, Abe R, Anderson P, Anderson W, Ardern-Jones MR, Beachkofsky TM, Bellón T, Biala AK, Bouchard C, Cavalleri GL, Chapman N, Chodosh J, Choi HK, Cibotti RR, Divito SJ, Dewar K, Dehaeck U, Etminan M, Forbes D, Fuchs E, Goldman JL, Holmes JH, Hope EA, Hung SI, Hsieh CL, Iovieno A, Jagdeo J, Kim MK, Koelle DM, Lacouture ME, Le Pallec S, Lehloenya RJ, Lim R, Lowe A, McCawley J, McCawley J, Micheletti RG, Mockenhaupt M, Niemeyer K, Norcross MA, Oboh D, Olteanu C, Pasieka HB, Peter J, Pirmohamed M, Rieder M, Saeed HN, Shear NH, Shieh C, Straus S, Sukasem C, Sung C, Trubiano JA, Tsou SY, Ueta M, Volpi S, Wan C, Wang H, Wang ZQ, Weintraub J, Whale C, Wheatley LM, Whyte-Croasdaile S, Williams KB, Wright G, Yeung SN, Zhou L, Chung WH, Phillips EJ, Carleton BC. Corrigendum to 'SJS/TEN 2019: From science to translation' [J. Dermatol. Sci. 98/1 (2020) 2-12]. J Dermatol Sci 2021; 104:146-147. [PMID: 34763988 PMCID: PMC9371621 DOI: 10.1016/j.jdermsci.2021.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Wan-Chun Chang
- Division of Translational Therapeutics, Department of
Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC,
Canada,British Columbia Children’s Hospital Research
Institute, Vancouver, BC, Canada
| | - Riichiro Abe
- Niigata University Graduate School of Medical and Dental
Sciences, Niigata, Japan
| | - Paul Anderson
- Stevens-Johnson Syndrome Foundation, Westminster, CO,
USA
| | | | - Michael R. Ardern-Jones
- Faculty of Medicine, University of Southampton, Southampton
General Hospital, Southampton, UK
| | | | - Teresa Bellón
- Drug Hypersensitivity Group. Hospital La Paz Institute for
Health Research (IdiPAZ), Madrid, Spain
| | - Agnieszka K. Biala
- Division of Translational Therapeutics, Department of
Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC,
Canada
| | | | - Gianpiero L. Cavalleri
- School of Pharmacy and Molecular and Cellular Therapeutics,
Royal College of Surgeons in Ireland, Dublin, Ireland,FutureNeuro SFI Research Centre, Royal College of
Surgeons in Ireland, Dublin, Ireland
| | | | - James Chodosh
- Massachusetts Eye and Ear, Harvard Medical School, Boston,
MA, USA
| | - Hyon K. Choi
- Division of Rheumatology, Allergy and Immunology,
Massachusetts General Hospital, Boston, MA, USA
| | - Ricardo R. Cibotti
- National Institute of Arthritis and Musculoskeletal and
Skin Diseases, NIH, USA
| | - Sherrie J. Divito
- Department of Dermatology, Brigham and Women’s
Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Ulrike Dehaeck
- Department of Obstetrics and Gynecology, University of
British Columbia, Vancouver, BC, Canada
| | - Mahyar Etminan
- Department of Ophthalmology and Visual Sciences,
University of British Columbia, Vancouver, BC, Canada
| | - Diane Forbes
- Canadian Institutes of Health Research, Ottawa, ON,
Canada
| | - Esther Fuchs
- Department of Obstetrics and Gynecology, University of
Washington, Seattle, WA, USA
| | | | - James H. Holmes
- Wake Forest University School of Medicine, WFBMC Burn
Center, Winston-Salem, NC, USA
| | | | - Shuen-Iu Hung
- Cancer Vaccine and Immune Cell Therapy Core Laboratory,
Chang Gung Immunology Consortium, Chang Gung Memorial Hospital, Linkou, Taoyuan,
Taiwan,Institute of Pharmacology, National Yang-Ming University,
Taipei, Taiwan
| | | | - Alfonso Iovieno
- Department of Ophthalmology and Visual Sciences,
University of British Columbia, Vancouver General Hospital Eye Care Center,
Vancouver, BC, Canada
| | | | - Mee Kum Kim
- Department of Ophthalmology, Seoul National University
College of Medicine, Seoul, South Korea
| | - David M. Koelle
- Department of Medicine, University of Washington, Seattle,
WA, USA
| | | | - Sophie Le Pallec
- Association des malades des syndromes de Lyell et de
Stevens-Johnson (Amalyste), Paris, France
| | - Rannakoe J. Lehloenya
- Division of Dermatology, Department of Medicine,
University of Cape Town, Cape Town, South Africa
| | - Robyn Lim
- Health Products and Food Branch, Health Canada, Ottawa,
ON, Canada
| | - Angie Lowe
- SJS/TEN International Awareness (STIA), Lucky Lake, SK,
Canada
| | - Jean McCawley
- Stevens-Johnson Syndrome Foundation, Westminster, CO,
USA
| | - Julie McCawley
- Stevens-Johnson Syndrome Foundation, Westminster, CO,
USA
| | - Robert G. Micheletti
- Department of Dermatology, Perelman School of Medicine,
University of Pennsylvania, Philadelphia, PA, USA
| | - Maja Mockenhaupt
- Dokumentationszentrum schwerer Hautreaktionen (dZh),
Department of Dermatology, Medical Center and Medical Faculty, University of
Freiburg, Freiburg, Germany
| | | | - Michael A. Norcross
- Laboratory of Immunology, Division of Biotechnology
Review and Research III (DBRR III), Office of Biotechnology Products (OBP), Office
of Pharmaceutical Quality (OPQ), Center for Drug Evaluation and Research (CDER),
FDA, Silver Spring, MD, USA
| | - Douglas Oboh
- Stevens-Johnson Syndrome Foundation, Westminster, CO,
USA
| | - Cristina Olteanu
- Division of Dermatology, Department of Medicine,
University of Alberta, Edmonton, AB, Canada
| | - Helena B. Pasieka
- Department of Der matology, MedStar Washington Hospital
Center, Washington, DC, USA
| | - Jonathan Peter
- Division of Allergy and Clinical Immunology, Department
of Medicine, University of Cape Town, Cape Town, South Africa
| | - Munir Pirmohamed
- Department of Molecular and Clinical Pharmacology,
University of Liverpool, Liverpool, UK
| | - Michael Rieder
- Department of Paediatrics, Children’s
Hospital/London Health Sciences Centre, Schulich School of Medicine & Dentistry,
Western University, London, ON, Canada
| | - Hajirah N. Saeed
- Massachusetts Eye and Ear, Harvard Medical School, Boston,
MA, USA
| | - Neil H. Shear
- Sunnybrook Health Sciences Centre, University of Toronto,
ON, Canada
| | - Christine Shieh
- Department of Ophthalmology, Vanderbilt Eye Institute,
Nashville, TN, USA
| | - Sabine Straus
- Dutch Medicines Evaluation Board, Pharmacovigilance Risk
Assessment Committee, European Medicines Agency, Utrecht, Netherlands
| | | | - Cynthia Sung
- Health Products Regulation Group, Health Sciences
Authority Singapore, Duke-NUS Medical School, Singapore
| | - Jason A. Trubiano
- Department of Infectious Diseases, Austin Health,
Heidelberg, Germany,Department of Medicine, University of Melbourne,
Victoria, Australia
| | | | - Mayumi Ueta
- Department of Frontier Medical Science and Technology for
Ophthalmology, Kyoto Pre fectural University of Medicine, Kyoto, Japan
| | - Simona Volpi
- National Human Genome Research Institute, NIH, Bethesda,
ML, USA
| | - Chen Wan
- Genome British Columbia, Vancouver, BC, Canada
| | - Hongsheng Wang
- Institute of Dermatology, Chinese Academy of Medical
Sciences, National Center for STD and Leprosy Control, China CDC, Nanjing,
China
| | | | - Jessica Weintraub
- Division of Pharmacovigilance I, Office of Surveillance
and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug
Administration, USA
| | | | - Lisa M. Wheatley
- National Institute of Allergy and Infectious Diseases,
NIH, Bethesda, ML, USA
| | | | - Kristina B. Williams
- Department of Pathology, Microbiology and Immunology,
Vanderbilt University Medical Center, Nashville, TN, USA
| | - Galen Wright
- Division of Translational Therapeutics, Department of
Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC,
Canada
| | - Sonia N. Yeung
- Department of Ophthalmology and Visual Sciences,
University of British Columbia, Vancouver General Hospital Eye Care Center,
Vancouver, BC, Canada
| | - Li Zhou
- Division of General Internal Medicine and Primary Care,
Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Wen-Hung Chung
- Department of Dermatology, Drug Hypersensitivity Clinical
and Research Center, Chang Gung Memorial Hospital, Linkou, Taipei, Keelung, Taoyuan,
Taiwan,Cancer Vaccine and Immune Cell Therapy Core Laboratory,
Chang Gung Immunology Consortium, Chang Gung Memorial Hospital, Linkou, Taoyuan,
Taiwan,College of Medicine, Chang Gung University, Taoyuan,
Taiwan,Whole-Genome Research Core Laboratory of Human Diseases,
Chang Gung Memorial Hospital, Keelung, Taiwan,Department of Dermatology, Xiamen Chang Gung Hospital,
Xiamen, China
| | - Elizabeth J. Phillips
- Department of Pathology, Microbiology and Immunology,
Vanderbilt University Medical Center, Nashville, TN, USA,Institute for Immunology and Infectious Diseases, Murdoch
University, Murdoch, Australia,Division of Infectious Diseases, Department of Medicine,
Vanderbilt University Medical Center, Nashville, TN, USA,Department of Pharmacology, Vanderbilt University Medical
Center, Nashville, TN, USA
| | - Bruce C. Carleton
- Division of Translational Therapeutics, Department of
Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC,
Canada,British Columbia Children’s Hospital Research
Institute, Vancouver, BC, Canada
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10
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Ameen M, Meller S, Pinter A, Shear NH, Soria A. Perception and Experience of Biologic Therapy in Atopic Dermatitis: A Qualitative Focus Group Study of Physicians and Patients in Europe and Canada. Dermatol Ther (Heidelb) 2021; 11:2159-2177. [PMID: 34704230 PMCID: PMC8547298 DOI: 10.1007/s13555-021-00631-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/05/2021] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION The Biologics in Atopic Dermatitis: Experiences & Learnings (BADEL) project aims to improve real-life understanding of how, where, and when biologics can play a role in the treatment of atopic dermatitis (AD) from the perspective of healthcare professionals (HCPs) and patients. METHODS Individual experiences of 24 patients with moderate-to-severe AD and who had been treated with biologic therapy (dupilumab) for ≥ 3-6 months, and 20 HCPs with a sub-specialty interest in AD were collected by means of focus groups held in Canada, Germany, France, Italy and the United Kingdom. Dupilumab was the only biologic therapy available at the time of the study. RESULTS Most patients had suffered from AD for many years, particularly from itch and psychosocial issues, with AD negatively impacting all aspects of their life. They had experienced a long treatment journey and seen many dermatologists, enduring treatment delays and failures. They had been prescribed various therapies without long-term success. Biologics provided symptom improvement, offering many patients a near-normal quality of life. Side effects, especially conjunctivitis, were the greatest drawback, and there were a few issues with incomplete or unreliable efficacy. HCPs agreed that biologic therapy for AD in the majority of patients demonstrated rapid onset, good efficacy and tolerability, and are a viable option in patients who had exhausted all other treatment options. However, those patients who failed to sufficiently respond or developed intolerable adverse effects, particularly ocular symptoms, require alternative therapeutic options. CONCLUSION Biologics can provide a near-normal quality of life for many patients with AD. Patients with AD who have failed conventional therapies should be offered all such novel therapies. Education and good patient-HCP communication will enable patients to manage their disease and treatment expectations. Patients and HCPs alike eagerly await alternative targeted therapies, which will offer greater choice and flexibility.
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Affiliation(s)
- Mahreen Ameen
- Royal Free London NHS Foundation Trust, Belsize Park, London, NW3 2QG, UK.
| | - Stephan Meller
- Department of Dermatology, Medical Faculty, Heinrich-Heine-University, Duesseldorf, Germany
| | - Andreas Pinter
- Department of Dermatology, University Hospital Frankfurt am Main, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Neil H Shear
- Professor Emeritus, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Angele Soria
- Department of Dermatology and Allergology, Sorbonne University, Tenon Hospital, Assistance Publique Hôpitaux de Paris, 4 rue de la Chine, 75020, Paris, France
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11
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Gupta AK, Venkataraman M, Renaud HJ, Summerbell R, Shear NH, Piguet V. A Paradigm Shift in the Treatment and Management of Onychomycosis. Skin Appendage Disord 2021; 7:351-358. [PMID: 34604322 DOI: 10.1159/000516112] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 03/17/2021] [Indexed: 11/19/2022] Open
Abstract
There is an increase in the incidence of onychomycosis, especially in at-risk populations. Onychomycosis is difficult to treat, as the efficacy of most antifungal agents is relatively low. Nondermatophyte molds (NDMs) and mixed infection (dermatophyte plus NDM) onychomycosis are contributing to growing antifungal resistance, as they are often underestimated and ignored due to incorrect diagnosis. There is a need for a paradigm shift in the management of onychomycosis to a patient-centered, holistic approach with an emphasis on laboratory diagnosis prior to initiating treatment, which enables the rational choice of the antifungal agent. Additionally, in the case of resistant infections, antifungal susceptibility testing is recommended. Strategies for effective management of onychomycosis include disinfection of fungal reservoirs in shoes and socks and prophylaxis posttreatment using topical antifungal agents. These measures may reduce the recurrence of onychomycosis and improve long-term clinical success.
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Affiliation(s)
- Aditya K Gupta
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Mediprobe Research Inc., London, Ontario, Canada
| | | | | | - Richard Summerbell
- Sporometrics, Toronto, Ontario, Canada.,Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Division of Dermatology, Women's College Hospital, Toronto, Ontario, Canada
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12
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Papp KA, Hong CH, Lansang MP, Turchin I, Adam DN, Beecker JR, Bissonnette R, Gooderham MJ, Jack C, Joseph M, Lynde CW, Shear NH. Practical Management of Patients with Atopic Dermatitis on Dupilumab. Dermatol Ther (Heidelb) 2021; 11:1805-1828. [PMID: 34510403 PMCID: PMC8435113 DOI: 10.1007/s13555-021-00586-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/25/2021] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Dupilumab is approved to treat moderate-to-severe atopic dermatitis (AD) in several countries in patients as young as 6 years of age. Since its approval, practical issues related to the use of dupilumab for AD have arisen, with particular interest in transitioning from current therapies and managing medication overlap, considerations for special populations of patients with AD, and management of potential adverse events. METHODS This article aims to review the literature addressing several practical management issues related to dupilumab use for AD and to provide a framework for clinical decision-making in these circumstances and sub-populations. Each statement was reviewed, revised and voted on by authors to provide their level of agreement and degree of uncertainty for each statement. RESULTS An agreement level > 80% was achieved for all of the statements. CONCLUSION The expert panel provides statements considering the practical management of patients with AD taking dupilumab to inform clinical decision-making in specific but frequently encountered clinical situations.
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Affiliation(s)
- Kim A Papp
- Probity Medical Research, Waterloo, ON, Canada.
- K. Papp Clinical Research, 135 Union St E, Waterloo, ON, N2J 1C4, Canada.
| | - Chih-Ho Hong
- Probity Medical Research, Waterloo, ON, Canada
- Dr. Chih-ho Hong Medical, Inc, Surrey, BC, Canada
| | - M Perla Lansang
- Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
- Division of Dermatology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Section of Dermatology, Division of Paediatric Medicine, The Hospital for Sick Children, Toronto, ON, Canada
| | - Irina Turchin
- Probity Medical Research, Waterloo, ON, Canada
- Brunswick Dermatology Centre, Fredericton, NB, Canada
| | - David N Adam
- Probity Medical Research, Waterloo, ON, Canada
- Division of Dermatology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- CCA Medical Research, Ajax, ON, Canada
| | - Jennifer R Beecker
- Probity Medical Research, Waterloo, ON, Canada
- Division of Dermatology, The Ottawa Hospital, Ottawa, ON, Canada
- Division of Dermatology, University of Ottawa, Ottawa, ON, Canada
| | | | - Melinda J Gooderham
- Probity Medical Research, Waterloo, ON, Canada
- SKiN Centre for Dermatology, Peterborough, ON, Canada
| | - Carolyn Jack
- Division of Dermatology, McGill University, Montreal, QC, Canada
- Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Marissa Joseph
- Division of Dermatology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Division of Dermatology, Women's College Hospital, Toronto, ON, Canada
- Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Charles W Lynde
- Probity Medical Research, Waterloo, ON, Canada
- Division of Dermatology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Lynderm Research, Markham, ON, Canada
| | - Neil H Shear
- Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
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13
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Gupta AK, Renaud HJ, Quinlan EM, Shear NH, Piguet V. 26139 The growing problem of antifungal resistance in onychomycosis and other superficial mycoses: A case report and review. J Am Acad Dermatol 2021. [DOI: 10.1016/j.jaad.2021.06.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Kimball AB, Guenther L, Kalia S, de Jong EMGJ, Lafferty KP, Chen DY, Langholff W, Shear NH. Pregnancy Outcomes in Women With Moderate-to-Severe Psoriasis From the Psoriasis Longitudinal Assessment and Registry (PSOLAR). JAMA Dermatol 2021; 157:301-306. [PMID: 33533924 PMCID: PMC7859871 DOI: 10.1001/jamadermatol.2020.5595] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Question Is there an association between pregnancy outcomes and psoriasis or exposure to systemic therapies for moderate-to-severe psoriasis? Findings This cohort study used data from the Psoriasis Longitudinal Assessment and Registry (PSOLAR) for 220 women with 298 pregnancies, of which 244 (81.9%) resulted in live births. Rates of spontaneous abortion, neonatal problems, and congenital anomalies were similar to rates in the general US population, and pregnancy outcomes for women exposed to biologics were similar to those for women with exposure to nonbiologics. Meaning Pregnancy outcomes among women with moderate-to-severe psoriasis within PSOLAR appeared to be consistent with previously reported data; pregnancy-specific registries are needed to more fully characterize the effect of psoriasis and its treatment on birth outcomes. Importance Prospective data are limited on pregnancy outcomes among women with psoriasis who may be receiving biologic or conventional systemic therapy. Objective To report pregnancy outcomes observed in the Psoriasis Longitudinal Assessment and Registry (PSOLAR). Design, Setting, and Participants This cohort study used data from PSOLAR, a multicenter, disease-based, observational registry evaluating long-term safety and clinical outcomes for patients receiving or eligible to receive treatment for psoriasis with biologics and/or conventional systemic therapies. Of 12 090 enrollees, 5456 were women (45.1%), and 2224 women were of childbearing age (18-45 years). Participants had a total of 12 929 patient-years of follow-up (median, 7.2 [range, 3.3-8.0] years per patient). Data were collected from June 20, 2007, to August 23, 2019, and analyzed from April 23 to June 23, 2020. Exposures Exposure to biologics within the prenatal period (≤1 year before birth or ≤6 months before spontaneous abortion) or at any other time. Main Outcomes and Measures Descriptive summaries of pregnancies and pregnancy-related outcomes were self-reported in PSOLAR, including births, stillbirths, spontaneous abortions, and elective terminations. Live birth characteristics collected in PSOLAR include whether a birth was full-term (≥37 weeks) or premature (<37 weeks) and whether neonatal adverse events or congenital anomalies occurred. Results A total of 298 pregnancies occurred among 220 women (mean [SD] age, 27.8 [5.2] years), and the general fertility rate was 18.9 per 1000 women aged 18 to 45 years. Of the 298 pregnancies, 244 (81.9%) resulted in birth, 41 (13.8%) ended in spontaneous abortion, and 13 (4.4%) were electively terminated. Gestational age was available for 243 births; 221 infants (90.9%) were full-term, and 22 (9.1%) were born prematurely. Birth outcomes included 231 healthy newborns, 10 infants with a neonatal problem, 2 infants with a congenital anomaly, and 1 stillbirth. Of the 298 pregnancies, 252 were associated with biologic exposure before or during pregnancy. Pregnancy outcomes for women exposed to biologics were similar to those for women exposed to nonbiologics. Among women who became pregnant, mean (SD) age at the time of pregnancy outcome was 30.9 (4.8) years; at enrollment into the registry, 74 of 219 (33.8%) had obesity, and 121 of 220 (55.0%) were past or current smokers. Conclusions and Relevance The findings of this cohort study suggest that pregnancy outcomes in PSOLAR have remained consistent with previous reports. Overall and live birth outcomes were similar to those for the general population.
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Affiliation(s)
- Alexa B Kimball
- Department of Dermatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Lyn Guenther
- The Guenther Dermatology Research Centre, London, Ontario, Canada
| | - Sunil Kalia
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, British Columbia, Canada
| | - Elke M G J de Jong
- Department of Dermatology, Radboud University Medical Center, Nijmegen, the Netherlands
| | | | - Dan Y Chen
- Janssen Scientific Affairs, LLC, Horsham, Pennsylvania
| | - Wayne Langholff
- Janssen Research and Development, LLC, Horsham, Pennsylvania
| | - Neil H Shear
- Department of Dermatology, University of Toronto, Toronto, Ontario, Canada
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15
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Drucker AM, Shear NH. Bruton tyrosine kinase inhibition warrants further study for pemphigus. Br J Dermatol 2021; 185:691-692. [PMID: 34318490 DOI: 10.1111/bjd.20623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 06/10/2021] [Indexed: 11/29/2022]
Affiliation(s)
- A M Drucker
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Medicine and Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
| | - N H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
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16
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Ramien ML, Bahubeshi A, Lara-Corrales I, Pope E, Levy ML, Nopper AJ, Shear NH, Eichenfield L. Blistering severe cutaneous adverse reactions in children: proposal for paediatric-focused clinical criteria. Br J Dermatol 2021; 185:447-449. [PMID: 33730370 DOI: 10.1111/bjd.20063] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 02/23/2021] [Accepted: 03/14/2021] [Indexed: 11/29/2022]
Affiliation(s)
- M L Ramien
- Division of Community Pediatrics, Department of Pediatrics, Alberta Children's Hospital, University of Calgary, Calgary, AB, Canada.,Division of Dermatology, Department of Medicine, University of Calgary, Calgary, AB, Canada.,University of Ottawa, Ottawa, ON, Canada
| | | | - I Lara-Corrales
- Section of Paediatric Dermatology, The Hospital for Sick Children and University of Toronto, Toronto, ON, Canada
| | - E Pope
- Section of Paediatric Dermatology, The Hospital for Sick Children and University of Toronto, Toronto, ON, Canada
| | - M L Levy
- Department of Pediatrics and Medicine (Dermatology), Dell Medical School, University of Texas, Austin, TX, USA.,Pediatric/Adolescent Dermatology, Dell Children's Medical Center, Austin, TX, USA
| | - A J Nopper
- Division of Dermatology, Children's Mercy-Kansas City, Kansas City, MO, USA
| | - N H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - L Eichenfield
- Division of Pediatric and Adolescent Dermatology, Rady Children's Hospital, San Diego, CA, USA.,Departments of Dermatology and Pediatrics, University of California, San Diego School of Medicine, University of California, San Diego, CA, USA
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17
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Affiliation(s)
- Sylvia A Martinez-Cabriales
- 12366 Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,494622 Department of Dermatology, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada
| | - Rachael Manion
- Canadian Skin Patient Alliance & Canadian Association of Psoriasis Patients, Ottawa, Ontario, Canada
| | - Neil H Shear
- 12366 Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,494622 Department of Dermatology, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada
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18
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Gupta AK, Shear NH, Piguet V, Bamimore MA. Efficacy of non-surgical monotherapies for hidradenitis suppurativa: a systematic review and network meta-analyses of randomized trials. J DERMATOL TREAT 2021; 33:2149-2160. [PMID: 33961535 DOI: 10.1080/09546634.2021.1927949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE We determined the relative efficacy of non-surgical monotherapies for hidradenitis suppurativa (HS). METHODS Network meta-analyses were conducted to determine treatments' surface under the cumulative ranking curve (SUCRA) value (i.e., an estimate that ranks efficacy); pairwise comparisons were conducted. RESULTS AND CONCLUSIONS Ten trials were eligible for quantitative analyses; however, all did not have a common endpoint. Outcomes corresponded to pain severity, clinical response, quality of life and abscess count. For pain reduction, infliximab was ranked most efficacious (SUCRA =94%) compared to bermekimab, anakinra and placebo; infliximab reduced pain more significantly (p < 0.05) than anakinra and than placebo. For occurrence of clinical response, bimekizumab had the highest SUCRA (67%) relative to adalimumab, anakinra and placebo; bimekizumab was more efficacious than placebo (p < 0.05). For quality of life in mild HS, Botox had the highest SUCRA (94%) compared to adalimumab and placebo; Botox was more efficacious than placebo (p < 0.05). For reduction in abscess count, oral tetracycline had the highest SUCRA (48%) compared to topical clindamycin and vehicle. Our work-being the first NMA study on non-surgical HS monotherapies-contributes to the comparative effectiveness literature for this condition.
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Affiliation(s)
- Aditya K Gupta
- Mediprobe Research Inc., London, Ontario, Canada.,Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada.,Division of Dermatology, Women's College Hospital, Toronto, Canada.,Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom
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19
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Brüggen MC, Le ST, Walsh S, Toussi A, de Prost N, Ranki A, Didona B, Colin A, Horváth B, Brezinova E, Milpied B, Moss C, Bodemer C, Meyersburg D, Salavastru C, Tiplica GS, Howard E, Bequignon E, Bouwes Bavinck JN, Newman J, Gueudry J, Nägeli M, Zaghbib K, Pallesen K, Bygum A, Joly P, Wolkenstein P, Chua SL, Le Floch R, Shear NH, Chu CY, Hama N, Abe R, Chung WH, Shiohara T, Ardern-Jones M, Romanelli P, Phillips EJ, Stern RS, Cotliar J, Micheletti RG, Brassard A, Schulz JT, Dodiuk-Gad RP, Dominguez AR, Paller AS, Seminario-Vidal L, Mostaghimi A, Noe MH, Worswick S, Tartar D, Sheridan R, Kaffenberger BH, Shinkai K, Maverakis E, French LE, Ingen-Housz-Oro S. Supportive care in the acute phase of Stevens-Johnson syndrome and toxic epidermal necrolysis: an international, multidisciplinary Delphi-based consensus. Br J Dermatol 2021; 185:616-626. [PMID: 33657677 DOI: 10.1111/bjd.19893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Supportive care is the cornerstone of management of adult and paediatric Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). However, consensus on the modalities of supportive care is lacking. OBJECTIVES Our aim in this international multicentric Delphi exercise was to establish a multidisciplinary expert consensus to standardize recommendations regarding supportive care in the acute phase of SJS/TEN. METHODS Participants were sent a survey via the online tool SurveyMonkey, consisting of 103 statements organized into 11 topics: multidisciplinary team composition, suspect drug management, infection prevention, fluid resuscitation and prevention of hypothermia, nutritional support, pain and psychological distress management, management of acute respiratory failure, local skincare, ophthalmological management, management of other mucosa, and additional measures. Participants evaluated the level of appropriateness of each statement on a scale of 1 (extremely inappropriate) to 9 (extremely appropriate). The results were analysed according to the RAND/UCLA Appropriateness Method. RESULTS Forty-five participants from 13 countries (on three continents) participated. After the first round, a consensus was obtained for 82.5% of the 103 initially proposed statements. After the second round, a final consensus was obtained for 102 statements. CONCLUSIONS We have reached an international Delphi-based consensus on best supportive care practice for SJS/TEN. Our expert consensus should help guide physicians in treating patients with SJS/TEN and thereby improve short-term prognosis and the risk of sequelae.
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Affiliation(s)
- M-C Brüggen
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland.,Christine Kühne Center for Allergy Research and Education, Davos, Switzerland.,ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France
| | - S T Le
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - S Walsh
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatology, King's College Hospital, London, UK
| | - A Toussi
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - N de Prost
- Intensive Care Unit, AP-HP, Henri Mondor Hospital, Créteil, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France
| | - A Ranki
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Skin and Allergic Diseases, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - B Didona
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,First Dermatology Division, Institute Dermopatico dell'Immacolata (I.D.I.) - IRCCS, Via Monti di Creta 104, Rome, 00167, Italy
| | - A Colin
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Dermatology Department, AP-HP, Henri Mondor Hospital, Créteil, France
| | - B Horváth
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatology, Center for Blistering Diseases, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - E Brezinova
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatovenereology, St Ann's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - B Milpied
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Department of Dermatology, CHU Bordeaux, Bordeaux, France
| | - C Moss
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Birmingham Children's Hospital and University of Birmingham, Birmingham, UK
| | - C Bodemer
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Department of Dermatology, AP-HP, Necker Hospital, Paris, France
| | - D Meyersburg
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatology and Allergology, University Hospital Salzburg of the Paracelsus Medical University Salzburg, Salzburg, Austria
| | - C Salavastru
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Paediatric Dermatology, Colentina Clinical Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - G-S Tiplica
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatology II, Colentina Clinical Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - E Howard
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Birmingham Children's Hospital and University of Birmingham, Birmingham, UK
| | - E Bequignon
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Otorhinolaryngology and Head and Neck Surgery, AP-HP, Henri Mondor Hospital, Créteil, France
| | - J N Bouwes Bavinck
- Department of Dermatology, Leiden University Medical Center, Leiden, the Netherlands
| | - J Newman
- Macmillan Skin Cancer CNS, Normanby Building, Denmark Hill, London, UK
| | - J Gueudry
- Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Ophthalmology Department, Hospital Charles Nicolle, EA7510, UFR Santé, Rouen University, Rouen, France
| | - M Nägeli
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - K Zaghbib
- Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Department of Psychiatry, AP-HP, Henri Mondor-Albert Chenevier Hospitals, Cr, France
| | - K Pallesen
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Department of Dermatology, Aarhus University Hospital, Palle Juul-Jensens, Aarhus, Denmark
| | - A Bygum
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Clinical Institute, University of Southern Denmark, Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - P Joly
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Department of Dermatology, CHU Charles, Nicolle, Rouen, France
| | - P Wolkenstein
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Dermatology Department, AP-HP, Henri Mondor Hospital, Créteil, France
| | - S-L Chua
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Queen Elizabeth Hospital Birmingham, University Hospital Birmingham NHS Foundation Trust, Birmingham, UK
| | - R Le Floch
- Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Réanimation Chirurgicale et des Brûlés, PTMC, CHU Nantes, Nantes, France
| | - N H Shear
- Division of Clinical Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - C-Y Chu
- Department of Dermatology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - N Hama
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Abe
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - W-H Chung
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - T Shiohara
- Department of Dermatology, Kyorin University School of Medicine, Tokyo, Japan
| | - M Ardern-Jones
- Clinical Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - P Romanelli
- Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - E J Phillips
- Department of Medicine & Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - R S Stern
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - R G Micheletti
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - A Brassard
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - J T Schulz
- Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - R P Dodiuk-Gad
- Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - A R Dominguez
- Department of Dermatology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - A S Paller
- Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - L Seminario-Vidal
- Department of Dermatology, University of South Florida, Cutaneous Oncology Program, Moffitt Cancer Center, Tampa, FL, USA
| | - A Mostaghimi
- Department of Dermatology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - M H Noe
- Department of Dermatology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - S Worswick
- Keck-USC School of Medicine, Los Angeles, CA, USA
| | - D Tartar
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - R Sheridan
- Burn Surgery Service, Shriners Burns Hospital, Sumner Redstone Burn Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - B H Kaffenberger
- Division of Dermatology, Department of Internal Medicine, Ohio State University, Columbus, OH, USA
| | - K Shinkai
- Department of Dermatology, University of California, San Francisco, CA, USA
| | - E Maverakis
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - L E French
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Clinical Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK.,Department of Dermatology and Allergy, University Hospital of Munich, LMU, Munich, Germany
| | - S Ingen-Housz-Oro
- ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN-skin), Paris, France.,Toxic Bullous Dermatoses TOXIBUL Reference Centre, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France.,Dermatology Department, AP-HP, Henri Mondor Hospital, Créteil, France.,Universit, EpiDermE, Créteil, France
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20
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Gupta AK, Venkataraman M, Renaud HJ, Summerbell R, Shear NH, Piguet V. The increasing problem of treatment-resistant fungal infections: a call for antifungal stewardship programs. Int J Dermatol 2021; 60:e474-e479. [PMID: 33729567 DOI: 10.1111/ijd.15495] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/29/2021] [Accepted: 02/08/2021] [Indexed: 12/14/2022]
Abstract
Antimicrobial stewardship (AMS) programs have been widely recognized among the public health community. These programs focus majorly on bacterial infections, efficient antibiotic use, and measures to curb increasing antibacterial resistance. AMS programs are successfully established around the globe; however, very few include antifungal stewardship (AFS). The increasing incidence of superficial and invasive fungal infections, combined with delayed or inaccurate diagnosis, has contributed to the overprescribing and overuse of antifungal agents. Such increased exposure to antifungal agents may be a reason for the emergence of increasing antifungal resistance among fungal pathogens. With mounting reports of treatment failures and resistant infections, the evidence to support the need for AFS programs is increasing. AFS is an emerging branch of AMS programs that requires global attention and recognition.
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Affiliation(s)
- Aditya K Gupta
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Mediprobe Research Inc., London, ON, Canada
| | | | | | - Richard Summerbell
- Sporometrics, Toronto, ON, Canada.,Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Women's College Hospital, Toronto, ON, Canada
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21
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Kinoshita-Ise M, Sachdeva M, Martinez-Cabriales SA, Shear NH, Lansang P. Oral Methotrexate Monotherapy for Severe Alopecia Areata: A Single Center Retrospective Case Series. J Cutan Med Surg 2021; 25:490-497. [PMID: 33715460 DOI: 10.1177/1203475421995712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Although several therapeutic options have been suggested for alopecia areata (AA), none of them are consistently effective, thus making the management of severe or refractory cases challenging. Several studies have recently reported the usage of methotrexate (MTX) in AA; however, the pure effect of MTX monotherapy remains elusive. OBJECTIVE To evaluate efficacy and safety of oral methotrexate monotherapy for AA. METHODS We retrospectively reviewed the clinical course of AA patients including pediatric cases treated with MTX monotherapy. Their detailed clinical data including original severity of AA, final treatment outcome, the duration until the maximum response, and side effects, were assessed. Statistical analysis was performed to evaluate if the clinical factors including the duration of current alopecia, age, the presence of body hair loss, and sex were associated with treatment response. RESULTS All included patients had severe AA and failed standard therapies. Thirteen out of 15 cases demonstrated improvement during the monotherapy, and all responders demonstrated the maximum response within 1 year. Female patients had significantly better outcomes than male patients. Other factors did not significantly influence on the treatment outcome. None of the patients experienced side effects that were severe enough to terminate the treatment. CONCLUSIONS Our results support MTX monotherapy as a feasible option for severe AA patients who fail other standard therapies or for whom systemic corticosteroids are contraindicated.
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Affiliation(s)
- Misaki Kinoshita-Ise
- 71545 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada.,7938 Department of Medicine, University of Toronto, Toronto, Canada.,38103 Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Muskaan Sachdeva
- 7938 Department of Medicine, University of Toronto, Toronto, Canada
| | - Sylvia A Martinez-Cabriales
- 71545 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada.,7938 Department of Medicine, University of Toronto, Toronto, Canada.,12366 School of Medicine, Autonomous University of Nuevo Leon
| | - Neil H Shear
- 71545 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada.,7938 Department of Medicine, University of Toronto, Toronto, Canada
| | - Perla Lansang
- 71545 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada.,7938 Department of Medicine, University of Toronto, Toronto, Canada.,Section of Paediatric Dermatology, Department of Paediatric Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
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22
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Shear NH, Betts KA, Soliman AM, Joshi A, Wang Y, Zhao J, Gisondi P, Sinvhal R, Armstrong AW. Comparative safety and benefit-risk profile of biologics and oral treatment for moderate-to-severe plaque psoriasis: A network meta-analysis of clinical trial data. J Am Acad Dermatol 2021; 85:572-581. [PMID: 33631216 DOI: 10.1016/j.jaad.2021.02.057] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/28/2021] [Accepted: 02/04/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND The comparative safety and benefit-risk profiles of moderate-to-severe psoriasis treatment have not been well studied. OBJECTIVE To compare the short-term (12-16 weeks) and long-term (48-56 weeks) safety and benefit-risk profiles of moderate-to-severe psoriasis treatments. METHODS A systematic literature review of phase II-IV randomized controlled trials of moderate-to-severe psoriasis treatments was conducted (cutoff: July 1, 2020). Any adverse events (AEs), any serious AEs, and AEs leading to treatment discontinuation were compared using Bayesian network meta-analyses (NMAs). RESULTS Fifty-two and 7, respectively, randomized controlled trials were included in the short- and long-term NMAs, respectively. In the short-term NMA, the rates of any AEs were the lowest for tildrakizumab (posterior median: 46.0%), certolizumab (46.2%), and etanercept (49.1%). The rates of any serious AE were the lowest for certolizumab (0.8%), risankizumab (1.2%), and etanercept (1.6%). The rates of AEs leading to treatment discontinuation were the lowest for risankizumab (0.5%), tildrakizumab (1.0%), and guselkumab (1.5%). In the long-term NMA, risankizumab had the lowest rates of all 3 outcomes (67.5%, 4.4%, and 1.0%, respectively) and the most favorable benefit-risk profile. LIMITATIONS The results may not be generalizable to real-world populations. CONCLUSIONS Anti-interleukin 23 agents were associated with low rates of safety events. Risankizumab had the most favorable benefit-risk profile in the long term.
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Affiliation(s)
- Neil H Shear
- Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Canada
| | | | | | | | - Yan Wang
- Analysis Group, Inc, Los Angeles, California
| | - Jing Zhao
- Analysis Group, Inc, Denver, Colorado
| | - Paolo Gisondi
- Department of Medicine, University of Verona, Verona, Italy
| | | | - April W Armstrong
- Keck School of Medicine, University of Southern California, Los Angeles, California.
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23
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Georgakopoulos JR, Croitoru D, Felfeli T, Alhusayen R, Lansang P, Shear NH, Yeung J, Walsh S. Long-term dupilumab treatment for chronic refractory generalized prurigo nodularis: A retrospective cohort study. J Am Acad Dermatol 2021; 85:1049-1051. [PMID: 33617911 DOI: 10.1016/j.jaad.2021.02.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 01/08/2023]
Affiliation(s)
- Jorge R Georgakopoulos
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - David Croitoru
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Tina Felfeli
- Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Raed Alhusayen
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Perla Lansang
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Women's College Hospital, Toronto, Ontario, Canada
| | - Jensen Yeung
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Women's College Hospital, Toronto, Ontario, Canada; Probity Medical Research Inc, Waterloo, Ontario, Canada
| | - Scott Walsh
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Women's College Hospital, Toronto, Ontario, Canada.
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24
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Breslavets M, Shear NH, Lapa T, Breslavets D, Breslavets A. Validation of artificial intelligence application in clinical dermatology. J Am Acad Dermatol 2021; 86:201-203. [PMID: 33508394 DOI: 10.1016/j.jaad.2021.01.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 10/22/2022]
Affiliation(s)
- Maksym Breslavets
- Centre for Medical and Surgical Dermatology, Whitby, Ontario, Canada.
| | - Neil H Shear
- Faculty of Medicine (Dermatology), University of Toronto, Toronto, Ontario, Canada
| | - Tatiana Lapa
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Denys Breslavets
- Faculty of Science, Ryerson University, Toronto, Ontario, Canada
| | - Alina Breslavets
- Faculty of Science, University of Ottawa, Ottawa, Ontario, Canada
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25
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Olteanu C, Shear NH, Burnett M, Hashimoto R, Jeschke MG, Ziv M, Dodiuk-Gad RP. Retrospective Study of Patients With SJS/TEN Treated at a Tertiary Burn Unit in Canada: Overview of 17 Years of Treatment. J Cutan Med Surg 2021; 25:271-280. [PMID: 33393825 DOI: 10.1177/1203475420982550] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are adverse drug reactions. OBJECTIVES To learn about the clinical characteristics of patients with SJS/TEN including treatments provided, outcomes, and mortality. METHODS We conducted a retrospective chart review of patients who were hospitalized with the diagnosis of SJS/TEN at the Ross Tilley Burn Center between the years 1999 and 2015. RESULTS A total of 43 patients were identified with a mean age of 54 ± 19 (58, 18-85). The most common offending medications were allopurinol and carbamazepine. The overall mortality rate in our study is 21% with the most common causes of death being multiorgan failure and sepsis. The majority of our patients had oral (84%), ocular (79%), and genital (60%) involvement during hospitalization. Our data revealed that combination treatment involving oral corticosteroids with intravenous immunoglobulin (IVIG) had the highest mortality rate in our study since 55% (6/11) of patients who were treated in this manner passed away compared to 11% (2/18) of patients passing away who were treated with solely IVIG and 33% (1/3) who were treated with only supportive care. Our study also demonstrates the addition of etanercept and cyclosporine treatment in the second time period we studied: 2008-2015 versus the earlier time period of 1999-2007. None of the patients in our study who were treated with therapies including cyclosporine and/or etanercept passed away. CONCLUSIONS Our study sheds light on a possible beneficial role of cyclosporine and etanercept for the treatment of SJS and TEN and reinforces the necessity of a multidisciplinary care team for patients.
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Affiliation(s)
- Cristina Olteanu
- 3158 Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Neil H Shear
- 494622 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,71545 Division of Clinical Pharmacology and Toxicology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Marjorie Burnett
- 71545 Department of Surgery, Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Rena Hashimoto
- 494622 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Marc G Jeschke
- 71545 Department of Surgery, Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Michael Ziv
- 26747 Dermatology Department, Emek Medical Center, Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel
| | - Roni P Dodiuk-Gad
- 494622 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,26747 Dermatology Department, Emek Medical Center, Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel
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26
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Gupta AK, Bamimore MA, Renaud HJ, Shear NH, Piguet V. A network meta-analysis on the efficacy and safety of monotherapies for tinea capitis, and an assessment of evidence quality. Pediatr Dermatol 2020; 37:1014-1022. [PMID: 32897584 DOI: 10.1111/pde.14353] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Various monotherapies exist for tinea capitis; however, their relative efficacies have never been determined using a statistical approach which compares treatments' efficacy simultaneously. The goal of this study was to determine the relative efficacy (mycologic and complete cure rates) of monotherapies for the treatment of tinea capitis. On October 5, 2019, searches were performed in Scopus, PubMed, EMBASE, MEDLINE (Ovid), and CINAHL; there were no date restrictions. For the main network meta-analysis, eligible studies were randomized trials that investigated the effect of tinea capitis monotherapies on subjects' mycological and complete cure rates. Network meta-analyses were conducted in accordance with the 2015 Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist for network meta-analyses. Mycological cure rate was the primary outcome; complete cure rate and adverse events were secondary outcomes. Twelve studies met the eligibility criteria for the main network; five systemic monotherapies were identified, griseofulvin, ketoconazole, terbinafine, itraconazole, and fluconazole. When the causative species was of the Microsporum genus, griseofulvin was most efficacious in terms of mycological cure (SUCRA = 66.1%) and complete cure (SUCRA = 80.6%). For tinea capitis caused by the Trichophyton species, terbinafine was the most efficacious in terms of both mycological and complete cure (SUCRA values of 75.2% and 78.2%, respectively). Risk of adverse events did not significantly differ across the interventions. Our results are congruent with those of previous pairwise meta-analyses; our findings also corroborate clinical experience and anecdotal evidence.
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Affiliation(s)
- Aditya K Gupta
- Mediprobe Research Inc., London, ON, Canada.,Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada
| | | | | | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada.,Division of Dermatology, Women's College Hospital, Toronto, ON, Canada.,Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
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27
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Nicoletti P, Carr DF, Barrett S, McEvoy L, Friedmann PS, Shear NH, Nelson MR, Chiriac AM, Blanca-López N, Cornejo-García JA, Gaeta F, Nakonechna A, Torres MJ, Caruso C, Valluzzi RL, Floratos A, Shen Y, Pavlos RK, Phillips EJ, Demoly P, Romano A, Blanca M, Pirmohamed M. Beta-lactam-induced immediate hypersensitivity reactions: A genome-wide association study of a deeply phenotyped cohort. J Allergy Clin Immunol 2020; 147:1830-1837.e15. [PMID: 33058932 PMCID: PMC8100096 DOI: 10.1016/j.jaci.2020.10.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/27/2020] [Accepted: 10/05/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND β-lactam antibiotics are associated with a variety of immune-mediated or hypersensitivity reactions, including immediate (type I) reactions mediated by antigen-specific IgE. OBJECTIVE We sought to identify genetic predisposing factors for immediate reactions to β-lactam antibiotics. METHODS Patients with a clinical history of immediate hypersensitivity reactions to either penicillins or cephalosporins, which were immunologically confirmed, were recruited from allergy clinics. A genome-wide association study was conducted on 662 patients (the discovery cohort) with a diagnosis of immediate hypersensitivity and the main finding was replicated in a cohort of 98 Spanish cases, recruited using the same diagnostic criteria as the discovery cohort. RESULTS Genome-wide association study identified rs71542416 within the Class II HLA region as the top hit (P = 2 × 10-14); this was in linkage disequilibrium with HLA-DRB1∗10:01 (odds ratio, 2.93; P = 5.4 × 10-7) and HLA-DQA1∗01:05 (odds ratio, 2.93, P = 5.4 × 10-7). Haplotype analysis identified that HLA-DRB1∗10:01 was a risk factor even without the HLA-DQA1∗01:05 allele. The association with HLA-DRB1∗10:01 was replicated in another cohort, with the meta-analysis of the discovery and replication cohorts showing that HLA-DRB1∗10:01 increased the risk of immediate hypersensitivity at a genome-wide level (odds ratio, 2.96; P = 4.1 × 10-9). No association with HLA-DRB1∗10:01 was identified in 268 patients with delayed hypersensitivity reactions to β-lactams. CONCLUSIONS HLA-DRB1∗10:01 predisposed to immediate hypersensitivity reactions to penicillins. Further work to identify other predisposing HLA and non-HLA loci is required.
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Affiliation(s)
- Paola Nicoletti
- Icahn School of Medicine at Mount Sinai, New York, NY; Sema4, Stamford, Conn
| | - Daniel F Carr
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Sarah Barrett
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Laurence McEvoy
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Peter S Friedmann
- Dermatology Unit, Sir Henry Wellcome Research Laboratories, School of Medicine, University of Southampton, Southampton, United Kingdom
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | | | - Anca M Chiriac
- Division of Allergy, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France
| | | | - José A Cornejo-García
- Allergy Research Group, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-IBIMA, ARADyAL, Malaga, Spain
| | - Francesco Gaeta
- Allergy Unit, Columbus Hospital, Fondazione Policlinico Universitario Agostino Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Alla Nakonechna
- Liverpool University Hospitals Foundation National Health Service Trust, Liverpool, United Kingdom
| | - Maria J Torres
- Allergy Research Group, Allergy Research Group, Instituto de Investigación Biomédica de Málaga-IBIMA, ARADyAL, Malaga, Spain; Allergy Unit, Hospital Regional Universitario de Málaga, Malaga, Spain
| | - Cristiano Caruso
- Allergy Unit, Columbus Hospital, Fondazione Policlinico Universitario Agostino Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Rocco L Valluzzi
- Division of Allergy, University Department of Pediatrics, Pediatric Hospital Bambino Gesù, Rome, Italy
| | - Aris Floratos
- Department of Systems Biology, New York, NY; Department of Biomedical Informatics, Columbia University, New York, NY
| | | | - Rebecca K Pavlos
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, University of Western Australia, Nedlands, Australia
| | - Elizabeth J Phillips
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tenn; Centre for Clinical Pharmacology and Infectious Diseases, Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, Australia
| | - Pascal Demoly
- Division of Allergy, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France; Unité Mixte de Recherche en Santé (UMR-S) 1136 Institut National de la Santé et de la Recherche Médicale-Sorbonne Université, Equipe Epidemiology of allergic and respiratory diseases (EPAR)- Louis d'Epidémiologie et de Santé Publique (IPLESP), Paris, France
| | - Antonino Romano
- Istituto di Ricovero e Cura a Carattere Scientifico Oasi Maria SS, Troina, Italy; Fondazione Mediterranea GB Morgagni, Catania, Italy
| | - Miguel Blanca
- Allergy Unit, Hospital Regional Universitario de Málaga, Malaga, Spain
| | - Munir Pirmohamed
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom; Liverpool University Hospitals Foundation National Health Service Trust, Liverpool, United Kingdom.
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28
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Sachdeva M, Kinoshita-Ise M, Shear NH. Pseudotrichoscopic findings from colour product use: a retrospective analysis and a test to reproduce findings. Clin Exp Dermatol 2020; 46:360-362. [PMID: 33448450 DOI: 10.1111/ced.14382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 07/15/2020] [Indexed: 11/30/2022]
Affiliation(s)
- M Sachdeva
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - M Kinoshita-Ise
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.,Department of Dermatology, Kyorin University School of Medicine, Tokyo, Japan
| | - N H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
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29
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Abstract
BACKGROUND Onychomycosis is an uncommon condition in children with increasing global prevalence. Health practitioners should confirm the diagnosis through mycology examination and examine family members of affected individuals for onychomycosis and tinea pedis. OBJECTIVE To comprehensively summarize the treatment and management strategies for pediatric onychomycosis. METHODS We performed a comprehensive literature search in the PubMed database to identify clinical studies on treatment for mycologically-confirmed dermatophyte onychomycosis in children <18 years. The exclusion criteria were combination therapy, case reports, reviews, systematic reviews and duplicate studies. RESULTS Per-weight dosing regimens of systemic antifungal agents such as terbinafine, itraconazole, and fluconazole are found to be safe in children and are used off-label for the treatment of pediatric onychomycosis with high efficacy. Topical antifungal agents such as ciclopirox, efinaconazole, and tavaborole have established safety and efficacy in children. Children respond better than adults to topical therapy due to their thinner, faster growing nails. There is no data on the efficacy of medical devices for onychomycosis in children. CONCLUSION Efinaconazole topical solution 10% and tavaborole topical solution 5% are FDA approved for the treatment of onychomycosis in children ≥6 years; ciclopirox topical solution 8% nail lacquer is approved in children ≥12 years.
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Affiliation(s)
- Aditya K Gupta
- Department of Medicine, Division of Dermatology, University of Toronto, Toronto, ON, Canada.,Mediprobe Research Inc., London, ON, Canada
| | | | - Neil H Shear
- Department of Medicine, Division of Dermatology, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Vincent Piguet
- Department of Medicine, Division of Dermatology, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Women's College Hospital, Toronto, ON, Canada
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Gupta AK, Venkataraman M, Shear NH, Piguet V. Labeled use of efinaconazole topical solution 10% in treating onychomycosis in children and a review of the management of pediatric onychomycosis. Dermatol Ther 2020; 33:e13613. [PMID: 32418289 DOI: 10.1111/dth.13613] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 05/13/2020] [Indexed: 11/28/2022]
Abstract
Onychomycosis is a difficult to treat condition whose prevalence is increasing. Until recently, there was no FDA approved antifungal agent for the treatment of onychomycosis in children. Although systemic antifungal agents are effective, their use is restricted by the potential adverse events and drug-drug interactions. There is evidence regarding the safety and efficacy of topical antifungal agents for pediatric onychomycosis. We have summarized the results of a recently published study using efinaconazole topical solution 10% to treat onychomycosis in children and discuss management of pediatric onychomycosis. In a multicenter, open-label phase 4 study, efinaconazole 10% solution was applied topically once daily in children aged 6 to 16 years with mild to severe, culture positive, distal and lateral subungual onychomycosis. Treatment was for 48 weeks with a follow-up at week 52. Pharmacokinetics was performed in a subset of patients. There were 62 patients enrolled in the study. At week 52, the efficacy was mycological cure rate 65% and complete cure rate 40%. All treatment-emergent adverse events (TEAE) were mild to moderate in severity with none resulting in study discontinuation. The only treatment-related TEAE was ingrown toenail. Efinaconazole was detected at low levels in plasma. Efinaconazole topical solution 10% is effective and safe in treating onychomycosis in children age 6 to 16 years and was recently FDA-approved for this indication. The on-label use of other topical agents, tavaborole solution 5% and ciclopirox nail lacquer solution 8% is reviewed. We also briefly discuss the use of oral agents, terbinafine, itraconazole, and fluconazole in pediatric onychomycosis.
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Affiliation(s)
- Aditya K Gupta
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Mediprobe Research Inc., London, Ontario, Canada
| | | | - Neil H Shear
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Medicine (Dermatology, Clinical Pharmacology and Toxicology), Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Department of Pharmacology, Sunnybrook and Women's College Health Science Centre, Toronto, Ontario, Canada
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, Ontario, Canada
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Derstenfeld A, Shear NH, Mereniuk A, Claveau J, McCuaig C, Litvinov IV. The Need to Evaluate the Risks and Benefits Posed by Quebec Bill 43 Expanding Nurse Practitioners’ Scope of Practice. J Cutan Med Surg 2020; 24:426-427. [DOI: 10.1177/1203475420923642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
| | - Neil H. Shear
- Division of Dermatology, University of Toronto, ON, Canada
| | | | - Joël Claveau
- Division of Dermatology, Laval University, Quebec, QC, Canada
| | - Catherine McCuaig
- Division of Pediatric Dermatology, Department of Pediatrics, Sainte-Justine University Hospital Centre, University of Montreal, QC, Canada
| | - Ivan V. Litvinov
- Department of Medicine, Division of Dermatology, McGill University Health Centre, Montreal, QC, Canada
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Olteanu C, Scope A, Steinberg-Silman Y, Ziv M, Shear NH, Dodiuk-Gad RP, Markel G. Vemurafenib-induced DRESS/DIHS resulting in spontaneous melanoma regression: an immunological reaction shedding new light on melanoma treatment? Int J Dermatol 2020; 59:e139-e141. [PMID: 32212333 DOI: 10.1111/ijd.14852] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 02/16/2020] [Accepted: 02/21/2020] [Indexed: 01/02/2023]
Affiliation(s)
- Cristina Olteanu
- Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Alon Scope
- Medical Screening Institute, Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yael Steinberg-Silman
- Ella Lemelbaum Institute for Immuno-Oncology, Sheba Medical Center, Ramat-Gan, Israel.,Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michael Ziv
- Dermatology Department, Emek Medical Center, Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,Division of Clinical Pharmacology and Toxicology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Roni P Dodiuk-Gad
- Dermatology Department, Emek Medical Center, Bruce Rappaport Faculty of Medicine, Technion-Institute of Technology, Haifa, Israel.,Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Gal Markel
- Ella Lemelbaum Institute for Immuno-Oncology, Sheba Medical Center, Ramat-Gan, Israel.,Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Abstract
Introduction: Apremilast is an oral phosphodiesterase inhibitor, approved for moderate to severe psoriasis in adults. Despite the advancement in dermatology, and the introduction of newer biological drugs, apremilast this is the only novel oral medication that has been introduced to treat psoriasis in the past two decades. Like additional other more traditional oral medications, its advantages and disadvantages should be discussed and compared within this group of oral-systemic medications.Area covered: We conducted a review to assess the safety, efficacy, and adherence of apremilast for psoriasis treatment. The aim of this paper was to provide an overview of apremilast regarding its mechanism of action, indications, and adverse events.Expert opinion: Apremilast has been found to be a safe and efficacious drug for moderate-to-severe psoriasis, and despite minor numerous side effects, most of the patients adhere to the therapy. Therefore, overall, it may be easily embraced as the drug of choice for this category. However, for more severe psoriasis cases newer biological drugs seem to be superior to apremilast.
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Affiliation(s)
- Eran Shavit
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,Dermatology Unit, Barzilai University Medical Center, Ashkelon, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheba, Israel
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,Department of Medicine (Dermatology, Clinical Pharmacology and Toxicology) and Department of Pharmacology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
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Abstract
The topical calcineurin inhibitors (TCIs), tacrolimus (Protopic) and pimecrolimus (Elidel), were approved in the early 2000s and were widely used as a nonsteroid treatment for atopic dermatitis (AD) in adult and pediatric populations. In 2005, the addition of a boxed warning was mandated for TCIs based on a potential risk of malignancy, and there was subsequently a substantial decline in their use. Since then, evidence has mounted to support the safety of this class of medications and suggests that the increased risk of malignancy remains theoretical. This review aims to dispel some of the common myths surrounding the safety of TCIs by evaluating the key evidence regarding their safety and tolerability in adult and pediatric populations. Four major themes are addressed in a practical question-and-answer format: the risk of harm associated with TCIs including common and serious adverse events; warnings and precautions for their use including the risk of systemic absorption, immunosuppression, and malignancy; the comparative safety of TCIs; and suggestions for counselling patients about the risk of harm with TCIs. Based on the available evidence, international professional dermatological organizations and regulatory authorities have concluded that the benefits of TCIs outweigh their potential risks when used in the appropriate patient populations for the recommended duration of time.
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Affiliation(s)
- Sam Hanna
- 1 Dermatology on Bloor, Toronto, ON, Canada
| | - Catherine Zip
- 2 Department of Medicine, Section of Dermatology, University of Calgary, AB, Canada
| | - Neil H Shear
- 3 Clinical Pharmacology & Toxicology, Dermatology, Internal Medicine, Sunnybrook Health Sciences Centre, University of Toronto, ON, Canada
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36
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Martinez-Cabriales SA, Bohdanowicz M, Wells R, Shear NH. Refractory vitiligo improving with eculizumab. Dermatol Ther 2020; 33:e13233. [PMID: 31997487 DOI: 10.1111/dth.13233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/08/2020] [Accepted: 01/22/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Sylvia A Martinez-Cabriales
- Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,University of Toronto, Department of Medicine, Toronto, Ontario, Canada.,School of Medicine and Department of Dermatology, Autonomous University of Nuevo Leon, Monterrey, Mexico
| | - Michal Bohdanowicz
- Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,University of Toronto, Department of Medicine, Toronto, Ontario, Canada
| | - Richard Wells
- University of Toronto, Department of Medicine, Toronto, Ontario, Canada.,Division of Medical Oncology and Haematology, Sunnybrook Research Institute Odette Cancer Research Program, Toronto, Ontario, Canada
| | - Neil H Shear
- Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,University of Toronto, Department of Medicine, Toronto, Ontario, Canada
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37
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Derstenfeld A, Shear NH, Litvinov IV. The Need to Evaluate Risks and Benefits of Ontario Nurse Practitioners Performing Cosmetic Procedures Following Amendments to the Ontario Nursing Act 1991. J Cutan Med Surg 2020; 24:101-103. [DOI: 10.1177/1203475419888864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
| | - Neil H. Shear
- Division of Dermatology, University of Toronto, ON, Canada
| | - Ivan V. Litvinov
- Division of Dermatology, McGill University Health Centre, Montreal, QC, Canada
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38
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Martinez-Cabriales SA, Sade S, Shear NH. A progressive breast skin detachment in a breast cancer survivor. Breast J 2019; 26:1041-1042. [PMID: 31788905 DOI: 10.1111/tbj.13706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 11/13/2019] [Accepted: 11/18/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Sylvia A Martinez-Cabriales
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.,School of Medicine and Department of Dermatology, Autonomous University of Nuevo Leon, Monterrey, Mexico
| | - Shachar Sade
- Department of Anatomic Pathology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Neil H Shear
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
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39
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Gupta AK, Stec N, Bamimore MA, Foley KA, Shear NH, Piguet V. The efficacy and safety of pulse vs. continuous therapy for dermatophyte toenail onychomycosis. J Eur Acad Dermatol Venereol 2019; 34:580-588. [PMID: 31746067 DOI: 10.1111/jdv.16101] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/11/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Onychomycosis is a chronic, fungal infection of the nails. Complete cure remains challenging, but oral antifungal medications have been successful in managing the fungus for a significant proportion of patients. Treatment with these drugs can be continuous or intermittent, albeit the evidence on their relative efficacies remains unclear. OBJECTIVE To determine the relative effectiveness and safety of pulse versus continuous administration, of three common oral therapies for dermatophyte onychomycosis, by conducting multiple-treatment meta-analysis. METHODS This systematic review and network meta-analysis compared the efficacy (as per mycological cure) and adverse event rates of three oral antifungal medications in the treatment of dermatophyte toenail onychomycosis, namely terbinafine, itraconazole and fluconazole. A total of 30 studies were included in the systematic review, while 22 were included in the network meta-analysis. RESULTS The likelihood of mycological cure was not significantly different between continuous and pulse regimens for each of terbinafine and itraconazole. Use of continuous terbinafine for 24 weeks - but not 12 weeks - was significantly more likely to result in mycological cure than continuous itraconazole for 12 weeks or weekly fluconazole for 9-12 months. Rank probabilities demonstrated that 24-week continuous treatment of terbinafine was the most effective. There were no significant differences in the likelihood of adverse events between any continuous and pulse regimens of terbinafine, itraconazole and fluconazole. Drug treatments were similar to placebo in terms of their likelihood of producing adverse events. CONCLUSION More knowledge about the fungal life cycle and drugs' pharmacokinetics in nail and plasma could further explain the relative efficacy and safety of the pulse and continuous treatment regimens. Our results indicate that in the treatment of dermatophyte toenail onychomycosis, the continuous and pulse regimens for terbinafine and itraconazole have similar efficacies and rates of adverse events.
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Affiliation(s)
- A K Gupta
- Mediprobe Research Inc., London, ON, Canada
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada
| | - N Stec
- Mediprobe Research Inc., London, ON, Canada
| | | | - K A Foley
- Mediprobe Research Inc., London, ON, Canada
| | - N H Shear
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada
- Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - V Piguet
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, ON, Canada
- Division of Dermatology, Women's College Hospital, Toronto, ON, Canada
- Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
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40
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Chan FL, Shear NH, Shah N, Olteanu C, Hashimoto R, Dodiuk-Gad RP. New Discoveries and Updates on Cutaneous Adverse Drug Reactions Presented at the 24th World Congress of Dermatology, Milan, Italy, 2019. Drug Saf 2019; 43:179-187. [PMID: 31673951 DOI: 10.1007/s40264-019-00880-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Felix L Chan
- Mississauga Academy of Medicine, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Division of Clinical Pharmacology and Toxicology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Nidhi Shah
- Department of Dermatology, BP Koirala Institute of Health Sciences, Dharan, Sunsari, Nepal
| | - Cristina Olteanu
- Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Rena Hashimoto
- Division of Dermatology, Keio University Hospital, Tokyo, Japan
| | - Roni P Dodiuk-Gad
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada. .,The Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, Israel. .,Department of Dermatology, Emek Medical Centre, Yitshak Rabin Boulevard 21, Afula, 1834111, Israel.
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41
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Gupta AK, Carviel JL, Foley KA, Shear NH, Piraccini BM, Piguet V, Tosti A. Monotherapy for Alopecia Areata: A Systematic Review and Network Meta-Analysis. Skin Appendage Disord 2019; 5:331-337. [PMID: 31799258 PMCID: PMC6883433 DOI: 10.1159/000501940] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 07/05/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND There are many treatments available for alopecia areata; however, none are approved by the US Food and Drug Administration. Thus, there is clinician benefit in efficacy comparison. METHODS A network meta-analysis was used to create direct and indirect comparisons of alopecia areata studies in addition to an inconsistency analysis, risk of bias, and quality of evidence assessment. RESULTS For mild disease, intralesional corticosteroids were ranked the most likely to produce a response at 78.9% according to SUCRA (surface under the cumulative ranking curve) followed by topical corticosteroids (67.9%), prostaglandin analogs (67.1%), diphenylcyclopropenone (DPCP, 63.4%), topical minoxidil (61.2%), and squaric acid dibutylester (SADBE, 35.0%). In contrast, for moderate to severe disease (>50% scalp hair loss), DPCP was the top-ranked treatment (87.9%), followed by laser (77.9%), topical minoxidil (55.5%), topical corticosteroids (50.1%), SADBE (49.7%), and topical tofacitinib (47.6%). There were insufficient eligible trials to include oral tofacitinib in the network. CONCLUSION Statistically significant evidence is presented for the use of intralesional and topical corticosteroids for treatment of mild disease and DPCP, laser, SADBE, topical minoxidil and topical corticosteroids for moderate to severe disease. Further controlled trials are required to analyze the relative efficacy of oral tofacitinib.
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Affiliation(s)
- Aditya K. Gupta
- Mediprobe Research Inc., London, Ontario, Canada
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada
| | | | | | - Neil H. Shear
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada
- Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Bianca Maria Piraccini
- Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Vincent Piguet
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada
- Division of Dermatology, Women's College Hospital, Toronto, Ontario, Canada
- Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom
| | - Antonella Tosti
- Dermatology and Cutaneous Surgery, University of Miami, Miami, Florida, USA
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42
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Martinez-Cabriales SA, Walsh S, Sade S, Shear NH. Lymphomatoid papulosis: an update and review. J Eur Acad Dermatol Venereol 2019; 34:59-73. [PMID: 31494989 DOI: 10.1111/jdv.15931] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 08/08/2019] [Indexed: 12/13/2022]
Abstract
Lymphomatoid papulosis (LyP) is a benign chronic often relapsing skin condition that belongs to the CD30-positive cutaneous lymphoproliferative disorders. LyP typically presents as crops of lesions with a tendency to self-resolve, and morphology can range from solitary to agminated or diffuse papules and plaques to nodules or tumours. The clinical-histological spectrum can range from borderline cases to overlap with primary cutaneous anaplastic cell lymphoma (pcALCL). Histology and immunophenotype commonly show overlap with other CD30-positive disorders and sometimes may be identical to pcALCL, making its diagnosis more difficult. Patients with LyP have an increased risk of developing a second neoplasm such as mycosis fungoides, pcALCL and/or Hodgkin lymphoma. Clinical correlation allows its proper classification and diagnosis, which is fundamental for treatment and prognosis. This review focuses on the clinical appearance, histopathological features, diagnosis, differential diagnosis and management of LyP.
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Affiliation(s)
- S A Martinez-Cabriales
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.,Department of Dermatology, Autonomous University of Nuevo Leon, San Nicolas de los Garza, Mexico
| | - S Walsh
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - S Sade
- Department of Pathology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - N H Shear
- Department of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
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43
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Derstenfeld A, Shear NH, Litvinov IV. The Need to Evaluate Risks and Benefits of Pharmacists Independently Diagnosing and Treating Dermatologic Conditions in Canada. J Cutan Med Surg 2019; 23:556-557. [PMID: 31478775 DOI: 10.1177/1203475419871051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | - Neil H Shear
- 2 Division of Dermatology, University of Toronto, Toronto, ON, Canada
| | - Ivan V Litvinov
- 3 Division of Dermatology, McGill University Health Centre, Montreal, QC, Canada
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44
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Alavi A, Shear NH. New Perspectives on Topical Calcineurin Inhibitors: Role in Dermatology Today and Into the Future. J Cutan Med Surg 2019; 23:3S-4S. [PMID: 31476939 DOI: 10.1177/1203475419857677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Afsaneh Alavi
- 1 Department of Medicine, Women's College Hospital, University of Toronto, ON, Canada
| | - Neil H Shear
- 2 Clinical Pharmacology & Toxicology, Dermatology, Internal Medicine, Sunnybrook Health Sciences Centre, University of Toronto, ON, Canada
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45
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Gupta AK, Carviel J, Shear NH. A Stealthy Fungal Attack Requires an Equally Clandestine Approach to Onychomycosis Treatment. J Am Podiatr Med Assoc 2019; 109:374-378. [PMID: 31599670 DOI: 10.7547/17-080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Onychomycosis is a chronic fungal infection of the nail that is recalcitrant to treatment. It is unclear why normally effective antifungal therapy results in low cure rates. Evidence suggests that there may be a plethora of reasons that include the limited immune presence in the nail, reduced circulation, presence of commensal microbes, and fungal influence on immune signaling. Therefore, treatment should be designed to address these possibilities and work synergistically with both the innate and adaptive immune responses.
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Affiliation(s)
- Aditya K. Gupta
- Mediprobe Research, Inc, London, Ontario, Canada
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Canada
| | | | - Neil H. Shear
- Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Canada
- Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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46
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Khan DA, Knowles SR, Shear NH. Sulfonamide Hypersensitivity: Fact and Fiction. The Journal of Allergy and Clinical Immunology: In Practice 2019; 7:2116-2123. [DOI: 10.1016/j.jaip.2019.05.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 05/26/2019] [Accepted: 05/29/2019] [Indexed: 02/06/2023]
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47
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Breslavets A, Breslavets M, Shear NH. Quantification of randomness (Entropy) as a clinical tool to assess the severity of skin disease. Med Hypotheses 2019; 132:109311. [PMID: 31421425 DOI: 10.1016/j.mehy.2019.109311] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 07/08/2019] [Accepted: 07/12/2019] [Indexed: 10/26/2022]
Abstract
In today's medical practice, the approach towards quantitative analysis of the skin is considered to be challenging and subjective. The current accepted measures and indexes do not exhibit a universal measurement, carry subjective opinions, and vary from one assessor to another. We propose a novel promising technique that provides a universal measure of various skin conditions which accesses the severity of skin disease in a quantitative manner. In this paper, we describe a clinical tool which provides a quantitative analysis of the skin using a mathematical algorithm of calculating Maximum entropy. The current work had been based on assessing skin lesions of psoriasis as a prototypic disease and adjacent healthy skin of patients in order to prove the concept of using computing entropy results to assess the skin condition. From the collected data of 11 pairs of the diseased and clinically healthy skin, the healthy skin displayed lower Entropy values with mean μ = 2.56 ± 0.10 while skin affected by psoriasis displayed higher Entropy values with mean μ = 3.30 ± 0.19.
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Affiliation(s)
| | | | - Neil H Shear
- Faculty of Medicine (Dermatology), University of Toronto, Toronto, ON, Canada
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48
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49
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Kinoshita-Ise M, Shear NH. Diagnostic and therapeutic approach to scalp dysesthesia: A case series and published work review. J Dermatol 2019; 46:526-530. [PMID: 31106878 DOI: 10.1111/1346-8138.14901] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 04/05/2019] [Indexed: 11/30/2022]
Abstract
Scalp dysesthesia may be underrecognized but is an important condition which requires special management strategies. Through our case series of four patients, we have noted that patients were frequently misdiagnosed with seborrheic dermatitis and failed standard treatment. However, patients did benefit from low doses of oral pregabalin and a topical compound of amitriptyline, lidocaine and ketamine. Oral antihistamines and topical corticosteroids did not work sufficiently on their own but added value when used in conjunction with analgesic agents. Our experience and published work also suggest the association of cervical spinal changes, psychiatric disorders, and other environmental and habitual factors.
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Affiliation(s)
- Misaki Kinoshita-Ise
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.,Department of Dermatology, Kyorin University School of Medicine, Tokyo, Japan
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
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Olteanu C, Shear NH, Morita E, Chung WH, Niihara H, Matsukura S, Hashimoto R, Dodiuk-Gad RP. The 10th International Congress on Cutaneous Adverse Drug Reactions, Shimane, Japan, 2018: Focus on New Discoveries. Drug Saf 2019; 42:797-801. [PMID: 31037651 DOI: 10.1007/s40264-019-00818-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Cristina Olteanu
- Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Neil H Shear
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.,Division of Clinical Pharmacology and Toxicology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Eishin Morita
- Department of Dermatology, Shimane University Faculty of Medicine, Izumo, Japan
| | - Wen-Hung Chung
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospitals, Linkou, Taipei, Taiwan.,College of Medicine, Chang Gung University, Taoyüan, Taiwan
| | - Hiroyuki Niihara
- Department of Dermatology, Shimane University Faculty of Medicine, Izumo, Japan
| | - Setsuko Matsukura
- Department of Dermatology, Saiseikai Yokohamashi Nanbu Hospital, Yokohama, Japan.,Department of Environmental Immuno-Dermatology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Rena Hashimoto
- Division of Dermatology, Keio University Hospital, Tokyo, Japan
| | - Roni P Dodiuk-Gad
- Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada. .,The Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, Israel. .,Department of Dermatology, Emek Medical Centre, Afula, Israel.
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