- Case report
- Open Access
A blog that publishes updates and open access scientific papers about allergy, asthma and immunology. Editor: Juan Carlos Ivancevich, MD. Specialist in Allergy & Immunology
May 22, 2019
May 19, 2019
Conjunctivitis in dupilumab clinical trials
Summary
Background
Dupilumab blocks the shared receptor component for interleukin (IL)‐4 and IL‐13. It is approved in the U.S.A. for patients aged ≥ 12 years with moderate‐to‐severe atopic dermatitis (AD) uncontrolled by topical prescription medicines or who cannot use topical medicines, for patients in Japan whose AD is uncontrolled with existing therapies, for patients with moderate‐to‐severe AD in Europe who are candidates for systemic therapy and for patients aged ≥ 12 years for maintenance treatment of moderate‐to‐severe asthma uncontrolled with their current medicines. AD trials have reported increased incidence of conjunctivitis for dupilumab vs. placebo.
May 17, 2019
Genotype-first analysis of a generally healthy population cohort supports genetic testing for diagnosis of hereditary angioedema of unknown cause
- Dale L. BodianEmail author,
- Thierry Vilboux and
- Natalie S. Hauser
Background
Hereditary angioedema (HAE) is a potentially life-threatening group of conditions that is often underdiagnosed or misdiagnosed. As HAE is typically diagnosed by detecting C1 inhibitor deficiency, there is a critical need for methods that can identify affected individuals with normal C1 inhibitor. The recent discovery of associations between PLG K330E and ANGPT1 A119S and HAE of unknown genetic cause (HAE-U), has raised the possibility that genetic evaluation could be used to diagnose HAE-U in patients with unexplained angioedema or non-confirmatory laboratory testing.
May 14, 2019
Dupilumab side effect in a patient with atopic dermatitis: a case report study
1College of Medicine, King Saud University, Riyadh, Saudi Arabia; 2College of Medicine, Alqassim University, Qassim, Saudi Arabia; 3Division of Dermatology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
Abstract: Atopic dermatitis (eczema) is a common chronic disease that is described as severe itching associated with recurrent eczematous lesions. In 2017 the US Food and Drug Administration approved dupilumab for treatment of adults with moderate to severe atopic dermatitis not well controlled with topical therapies or when other therapies are inadvisable. Dupilumab is a monoclonal antibody that inhibits interleukin-4 (IL-4) and IL-13 signaling by specifically binding to the IL-4R-alpha subunit shared by the IL-4 and IL-13 receptor complexes. There are many adverse effects reported after dupilumab therapy; commonly reported adverse effects include local injection site reactions, conjunctivitis, headache, and nasopharyngitis. Some adverse effects are rare, eg, alopecia areata and cicatricial extropion. We report a new case of a 28-year-old female who experienced face and neck rash after dupilumab injection.
May 8, 2019
Association of molds and metrological parameters to frequency of severe asthma exacerbation
- Allergy, Asthma & Clinical Immunology
- Research
- Open Access
- Mona Al-AhmadEmail authorView ORCID ID profile,
- Edin Jusufovic,
- Nermina Arifhodzic,
- Tito Rodriguez and
- Jasmina Nurkic
Abstract
Background
Sensitization to airborne molds may be a risk factor for severe asthma and direct cause of asthma exacerbation (AE).
Methods
A prospective, 1-year (April 2016–March 2017) study, done in Kuwait Allergy Centre, investigated the link between AEs with exposure to outdoor molds and the role of meteorological parameters in mold sensitized patients and compared with non-allergic asthma patients who had asthma deterioration.
May 7, 2019
Sublingual immunotherapy tablet for the treatment of house dust mite allergic rhinitis in Canada: an alternative to minimize treatment costs?
- Allergy, Asthma & Clinical Immunology
- Research Open Access
- Anne K. Ellis,
- Rémi Gagnon,
- Eva Hammerby
- and
- Andrea Lau
Abstract
Background
A cost-minimization analysis (CMA) was performed to estimate the economic impact of introducing the SQ house dust mite sublingual immunotherapy (SQ HDM SLIT)-tablet marketed as ACARIZAX™ (regulatory approval May 2017) for the treatment of HDM-induced allergic rhinitis in Canada (Ontario and Quebec), where house dust mite subcutaneous immunotherapy (HDM SCIT) is already an available treatment option.
May 6, 2019
Skin microdialysis: methods, applications and future opportunities—an EAACI position paper
- Clinical and Translational Allergy
- Review
- Open Access
- Katrine Y. Baumann,
- Martin K. Church,
- Geraldine F. Clough,
- Sven Roy Quist,
- Martin Schmelz,
- Per Stahl Skov,
- Chris D. Anderson,
- Line Kring Tannert,
- Ana Maria Giménez-Arnau,
- Stefan Frischbutter,
- Jörg Scheffel and
- Marcus MaurerEmail author
Abstract
Skin microdialysis (SMD) is a versatile sampling technique that can be used to recover soluble endogenous and exogenous molecules from the extracellular compartment of human skin. Due to its minimally invasive character, SMD can be applied in both clinical and preclinical settings. Despite being available since the 1990s, the technique has still not reached its full potential use as a tool to explore pathophysiological mechanisms of allergic and inflammatory reactions in the skin. Therefore, an EAACI Task Force on SMD was formed to disseminate knowledge about the technique and its many applications. This position paper from the task force provides an overview of the current use of SMD in the investigation of the pathogenesis of chronic inflammatory skin diseases, such as atopic dermatitis, chronic urticaria, psoriasis, and in studies of cutaneous events during type 1 hypersensitivity reactions. Furthermore, this paper covers drug hypersensitivity, UVB-induced- and neurogenic inflammation, and drug penetration investigated by SMD. The aim of this paper is to encourage the use of SMD and to make the technique easily accessible by providing an overview of methodology and applications, supported by standardized operating procedures for SMD in vivo and ex vivo.
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