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https://www.readbyqxmd.com/read/29161766/identification-of-alpha-gal-sensitivity-in-patients-with-a-diagnosis-of-idiopathic-anaphylaxis
#1
Melody C Carter, Karina N Ruiz-Esteves, Lisa Workman, Philip Lieberman, Thomas A E Platts-Mills, Dean D Metcalfe
IgE antibodies (Ab) specific to galactose-α-1,3-galactose (alpha-gal) are responsible for a delayed form of anaphylaxis that occurs 3 to 6 hours after red meat ingestion. In a unique prospective study of seventy participants referred with a diagnosis of idiopathic anaphylaxis (IA), six (9%) were found to have IgE to alpha-gal. Upon institution of a diet free of red meat, all patients had no further episodes of anaphylaxis. Two of these individuals had indolent systemic mastocytosis (ISM). Those with ISM had more severe clinical reactions but lower specific IgE to alpha-gal and higher serum tryptase levels, reflective of the mast cell burden...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159975/rcat-reflects-symptom-control-and-quality-of-life-in-allergic-rhinoconjunctivitis-patients
#2
J-P Liedtke, A Mandl, J Köther, J Chwieralski, K Shah-Hosseini, U Pieper-Fürst, S Allekotte, R Mösges
BACKGROUND: The Global Allergy and Asthma European Network (GA(2) LEN) Taskforce has requested more data on correlations between various Patient Reported Outcomes (PROs) in clinical trials on allergy. We compared three tools-the Rhinitis Control Assessment Test (RCAT), Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ), and Rhinitis Total Symptom Score (RTSS)-to determine whether the RCAT alone is a sufficient primary outcome parameter in clinical trials on allergic rhinoconjunctivitis...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159964/blocking-antibodies-induced-by-allergen-specific-immunotherapy-ameliorate-allergic-airway-disease-in-a-human-mouse-chimeric-model
#3
Caterina Vizzardelli, Miriam Gindl, Simone Roos, Christian Möbs, Birgit Nagl, Felix Zimmann, Veronika Sexl, Lukas Kenner, Alina Neunkirchner, Gerhard J Zlabinger, Winfried F Pickl, Wolfgang Pfützner, Barbara Bohle
BACKGROUND: Allergen-specific immunotherapy (AIT) induces specific blocking antibodies (Ab) which are claimed to prevent IgE-mediated reactions to allergens. Additionally, AIT modulates cellular responses to allergens, e.g. by desensitizing effector cells, inducing regulatory T and B lymphocytes and immune deviation. It is still enigmatic which of these mechanisms mediate(s) clinical tolerance. We sought to address the role of AIT-induced blocking Ab separately from cellular responses in a chimeric human/mouse model of respiratory allergy...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159833/maternal-hypothyroidism-in-the-perinatal-period-and-childhood-asthma-in-the-offspring
#4
Xiaoqin Liu, Stine Linding Andersen, Jørn Olsen, Esben Agerbo, Vivi Schlünssen, Shyamali Chandrika Dharmage, Trine Munk-Olsen
BACKGROUND: There is increasing interest in the possible link between maternal hypothyroidism in the perinatal period and childhood asthma risk. We explored this in the present study while accounting for the timing of hypothyroidism diagnosis. Further, we evaluated whether the risk was moderated by thyroid hormone treatment during pregnancy. METHODS: We conducted a population-based cohort study using Danish national registers. All liveborn singletons in Denmark from 1998 to 2007 were identified...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29154390/circadian-profiling-reveals-higher-histamine-plasma-levels-and-lower-diamine-oxidase-serum-activities-in-24-of-patients-with-suspected-histamine-intolerance-compared-to-food-allergy-and-controls
#5
Theresa C Pinzer, Esther Tietz, Elisabeth Waldmann, Monic Schink, Markus F Neurath, Yurdagül Zopf
BACKGROUND: Histamine intolerance is thought to trigger manifold clinical symptoms after ingesting histamine-rich food due to reduced activity of diamine oxidase (DAO). No study has hitherto systematically assessed daily fluctuations of histamine levels and DAO activities in symptomatic patients. The aim of the study was to investigate the presence of histamine intolerance, to therefore establish day profiles of histamine levels and DAO activities, and to compare the results between patients with suspected histamine intolerance, food allergy and healthy controls...
November 20, 2017: Allergy
https://www.readbyqxmd.com/read/29150857/a-randomized-double-blind-placebo-controlled-dose-finding-trial-with-lolium-perenne-peptide-immunotherapy
#6
Ralph Mösges, Elena M Kasche, Esther Raskopf, Jaswinder Singh, Lea Sohlich, Anatoli Astvatsatourov, Kija Shah-Hosseini, Sabine Pirotton, Ludo Haazen, Stephen R Durham, Thierry Legon, Gregor Zadoyan, Mohamed H Shamji
BACKGROUND: A novel subcutaneous allergen immunotherapy formulation (gpASIT+(™) ) containing Lolium perenne peptides (LPP) and having a short up-dosing phase has been developed to treat grass pollen-induced seasonal allergic rhinoconjunctivitis. We investigated peptide immunotherapy containing the hydrolysate from perennial ryegrass allergens for the optimum dose in terms of clinical efficacy, immunogenicity, and safety. METHODS: This prospective, double-blind, placebo-controlled, phase IIb, parallel, four-arm, dose-finding study randomized 198 grass pollen-allergic adults to receive placebo or cumulative doses of 70, 170, or 370 μg LPP...
November 18, 2017: Allergy
https://www.readbyqxmd.com/read/29150854/rhinitis-and-its-impact-on-quality-of-life-in-swimmers
#7
Pavol Surda, Matus Putala, Pavel Siarnik, Abigail Walker, Ana Bernic, Wytske Fokkens
INTRODUCTION: Limited data suggest that swimmers might be affected by rhinitis significantly more often than the general population. This can have impact on quality of life but also on performance. The aim of the present study was to determine the prevalence and impact of QOL of rhinitis in swimming compared to non-swimming athletes and controls. MATERIALS AND METHODS: This was an observational case control, questionnaire based study involving elite (n=101) and non-elite swimming athletes (n=107), non-swimming athletes (n = 38) and sex and age-matched controls (n = 50)...
November 18, 2017: Allergy
https://www.readbyqxmd.com/read/29150853/poor-agreement-in-questionnaire-based-diagnostic-criteria-for-adult-atopic-dermatitis-is-a-challenge-when-examining-cardiovascular-comorbidity
#8
Yuki M F Andersen, Alexander Egeberg, Carsten R Hamann, Lone Skov, Gunnar H Gislason, Tea Skaaby, Allan Linneberg, Jacob P Thyssen
BACKGROUND: The association between atopic dermatitis (AD) and cardio-metabolic risk factors is not yet established. Furthermore, no validated questionnaire-based method of identifying adults with AD is currently available. OBJECTIVES: To assess the cardio-metabolic risk in adults with a history of AD by using three different questionnaire-based diagnostic criteria. METHODS: We utilized data from a general population study including questionnaire data and objective measurements of 9,656 Danish adults...
November 18, 2017: Allergy
https://www.readbyqxmd.com/read/29150848/allergen-manufacturing-and-quality-aspects-for-allergen-immunotherapy-in-europe-and-the-united-states-an-analysis-from-the-eaaci-ait-guidelines-project
#9
REVIEW
A Bonertz, G Roberts, J E Slater, J Bridgewater, R L Rabin, M Hoefnagel, M Timon, C Pini, O Pfaar, A Sheikh, D Ryan, C Akdis, J Goldstein, L K Poulsen, R van Ree, C Rhyner, D Barber, O Palomares, R Pawankar, D Hamerlijnk, L Klimek, I Agache, E Angier, T Casale, M Fernandez-Rivas, S Halken, M Jutel, S Lau, G Pajno, G Sturm, E M Varga, R Gerth van Wijk, S Bonini, A Muraro, S Vieths
Adequate quality is essential for any medicinal product to be eligible for marketing. Quality includes verification of the identity, content and purity of a medicinal product in combination with a specified production process and its control. Allergen products derived from natural sources require particular considerations to ensure adequate quality. Here, we describe key aspects of the documentation on manufacturing and quality aspects for allergen immunotherapy products in the European Union and the United States...
November 17, 2017: Allergy
https://www.readbyqxmd.com/read/29131364/quality-of-life-is-significantly-impaired-in-non-allergic-rhinitis-patients
#10
Christine L Segboer, Ingrid Terreehorst, Artur Gevorgyan, Peter W Hellings, Cornelis M van Drunen, Wytske J Fokkens
BACKGROUND: In contrast to the well-known significant impairment of quality of life (QoL) in allergic rhinitis (AR), the degree of impairment in QoL in non-allergic rhinitis (NAR) remained unknown for a long time, due to a lack of a validated questionnaire to assess QoL in the NAR patient group. In this study a validation for the mini-RQLQ questionnaire in NAR patients was performed, followed by an assessment of QoL in NAR patients compared to AR and healthy controls. Secondly, use of medication and treatment satisfaction in AR and NAR was assessed...
November 13, 2017: Allergy
https://www.readbyqxmd.com/read/29131356/gluten-sensitivities-and-the-allergist-threshing-the-grain-from-the-husks
#11
REVIEW
J G Burkhardt, A Chapa-Rodriguez, S L Bahna
"Gluten sensitivity" has become commonplace among the public. Wheat allergy (WA) and celiac disease (CD) are well-defined entities, but are becoming a fraction of individuals following a gluten-free diet. WA has a prevalence of <0.5%. Wheat, specifically its omega-5 gliadin fraction, is the most common allergen implicated in food-dependent, exercise-induced anaphylaxis. CD is a non-IgE hypersensitivity to certain cereal proteins: gluten in wheat, secalin in rye, hordein in barley, and to a lesser extent avenin in oat...
November 13, 2017: Allergy
https://www.readbyqxmd.com/read/29130488/crp-is-linked-to-disease-activity-impact-and-response-to-treatment-in-patients-with-chronic-spontaneous-urticaria
#12
Pavel Kolkhir, Sabine Altrichter, Tomasz Hawro, Marcus Maurer
BACKGROUND: Elevated levels of C-reactive protein (CRP), a sensitive marker of inflammation, have been consistently reported in chronic spontaneous urticaria. Here, we retrospectively analyzed data from 1,253 CSU patients from two centers to answer the following questions: 1) What is the prevalence of elevated levels of CRP in CSU? 2) Why do CSU patients show elevated levels of CRP? 3) Are elevated CRP levels relevant? METHODS: Serum levels of CRP were measured by the nephelometric method...
November 12, 2017: Allergy
https://www.readbyqxmd.com/read/29127694/nut-co-reactivity-acquiring-knowledge-for-elimination-recommendations-nut-cracker-study
#13
Arnon Elizur, Michael Y Appel, Liat Nachshon, Michael B Levy, Naama Epstein-Rigby, Keren Golobov, Michael Goldberg
BACKGROUND: Ambiguities exist regarding the diagnosis of tree-nut allergy, necessitating either elimination or performance of oral food challenges (OFC). OBJECTIVE: To examine the co-incidences of allergies among tree-nuts and improve diagnostic testing to minimize the need for OFC. METHODS: Eighty three patients prospectively evaluated for walnut, pecan, cashew, pistachio, hazelnut and almond allergy. A history of previous reactions was obtained and standardized skin prick tests (SPT) using finely ground tree-nut solution and basophil activation tests (BAT) were performed...
November 11, 2017: Allergy
https://www.readbyqxmd.com/read/29121407/strong-and-frequent-t-cell-responses-to-the-minor-allergen-phl-p-12-in-spanish-patients-ige-sensitized-to-profilins
#14
Gitte Lund, Stephanie Brand, Tania Ramos, Lucia Jimeno, Patrice Boissy, Francisco Vega, Maria Arina, Lars Harder Christensen, Ilka Hoof, Kåre Hvalsøe Meno, Domingo Barber, Carlos Blanco, Peter Adler Würtzen, Peter Sejer Andersen
BACKGROUND: Profilins are dominant pan-allergens known to cause cross-sensitization, leading to clinical symptoms such as the pollen food syndrome. This study aims to determine the T-cell response to Phl p 12 in profilin-sensitized patients, by measuring the prevalence, strength and cross-reactivity to clinically relevant profilins. METHODS: The release of Phl p allergens from pollen was determined by mass spectrometry and immunochemistry. T-cell responses, epitope mapping and cross-reactivity to profilins (Phl p 12, Ole e 2, Bet v 2, and Mal d 4) were measured in-vitro using PBMCs from 26 Spanish grass allergic donors IgE-sensitized to profilin...
November 9, 2017: Allergy
https://www.readbyqxmd.com/read/29121401/mp29-02-reduces-nasal-hyperreactivity-and-nasal-mediators-in-patients-with-house-dust-mite-allergic-rhinitis
#15
Inge Kortekaas Krohn, Ina Callebaut, Yeranddy A Alpizar, Brecht Steelant, Laura Van Gerven, Per Stahl Skov, Ahmad Kasran, Karel Talavera, Mira M Wouters, Jan L Ceuppens, Sven F Seys, Peter W Hellings
BACKGROUND: Nasal hyperreactivity (NHR) is an important clinical feature of allergic rhinitis (AR). The efficacy of MP29-02 (azelastine hydrochloride (AZE) and fluticasone propionate (FP)) nasal spray on local inflammatory mediators and NHR in AR is unknown. We tested if MP29-02 decreases inflammatory mediators and NHR in AR and if this effect is due to restoration of nasal epithelial barrier function. METHODS: A 4-week double-blinded placebo-controlled trial with MP29-02 treatment was conducted in 28 patients with house dust mite (HDM) AR...
November 9, 2017: Allergy
https://www.readbyqxmd.com/read/29117440/the-utility-of-monitoring-trimellitic-anhydride-tma-specific-igg-to-predict-ige-mediated-sensitization-in-an-immunosurveillance-program
#16
Debajyoti Ghosh, Cory Clay, Jonathan A Bernstein
BACKGROUND: Workplace exposure to Trimellitic Anhydride (TMA) can elicit TMA-specific IgE (sIgE), which may lead to occupational asthma (OA). An occupational immunosurveillance program (OISP) has been implemented to monitor TMA exposure and immunologic outcomes. The purpose of this study was to determine whether TMA-specific IgG (sIgG) responses can discriminate between TMA-exposed workers with and without sIgE responses. METHODS: Serum TMA-specific antibody (IgG, IgG4 and IgE) levels were estimated longitudinally (years 2006 to 2014) in TMA-exposed workers recruited in low, medium and high exposure areas...
November 8, 2017: Allergy
https://www.readbyqxmd.com/read/29105793/what-can-we-learn-in-drug-allergy-management-from-world-health-organization-s-international-classifications
#17
REVIEW
Luciana Kase Tanno, Maria Jose Torres, Mariana Castells, Pascal Demoly
Drug hypersensitivity reactions (DHRs) represent growing health problem worldwide, affecting more than 7% of the general population and represent an important public health problem. However, knowledge in DHRs morbidity and mortality epidemiological data is still not optimal and international comparable standards remain poorly accessed. Institutional databases worldwide increasingly use the WHO International Classification of Diseases (ICD) system to classify diagnoses, health services utilization and death data...
November 6, 2017: Allergy
https://www.readbyqxmd.com/read/29105788/economic-evidence-for-non-pharmacological-asthma-management-interventions-a-systematic-review
#18
REVIEW
Christina-Jane Crossman-Barnes, Adam Peel, Rebekah Fong-Soe-Khioe, Tracey Sach, Andrew Wilson, Garry Barton
Asthma management, education and environmental interventions have been reported as cost effective in a previous review, (Yong and Shafie et al, 2014), but methods used to estimate costs and outcomes were not discussed in detail. This review updates the previous review by providing economic evidence on the cost effectiveness of studies identified after 2012, and a detailed assessment of the methods used in all identified studies. Twelve databases were searched from 1990 to January 2016, and studies included economic evaluations, asthma subjects, and non-pharmacological interventions written in English...
November 6, 2017: Allergy
https://www.readbyqxmd.com/read/29105786/influenza-burden-prevention-and-treatment-in-asthma-a-scoping-review-by-the-eaaci-influenza-in-asthma-task-force
#19
REVIEW
Jürgen Schwarze, Peter Openshaw, Akhilesh Jha, Stefano R Del Giacco, Davide Firinu, Olympia Tsilochristou, Graham Roberts, Anna Selby, Cezmi Akdis, Ioana Agache, Adnan Custovic, Enrico Heffler, Georgia Pinna, Musa Khaitov, Alexandra Nikonova, Nikolaos Papadopoulos, Ather Akhlaq, Ulugbek Nurmatov, Harald Renz, Aziz Sheikh, Chrysanthi Skevaki
To address uncertainties in the prevention and management of influenza in people with asthma, we performed a scoping review of the published literature on influenza burden; current vaccine recommendations; vaccination coverage; immunogenicity, efficacy, effectiveness and safety of influenza vaccines; and the benefits of antiviral drugs in people with asthma. We found significant variation in the reported rates of influenza detection in individuals with acute asthma exacerbations making it unclear to what degree influenza causes exacerbations of underlying asthma...
November 6, 2017: Allergy
https://www.readbyqxmd.com/read/29105784/early-life-antibiotic-exposure-increases-the-risk-of-developing-allergic-symptoms-later-in-life-a-meta-analysis
#20
REVIEW
Fariba Ahmadizar, Susanne J H Vijverberg, Hubertus G M Arets, Anthonius de Boer, Jason E Lang, Johan Garssen, Aletta Kraneveld, Anke H Maitland-van der Zee
This study systematically reviewed and quantified the relationship between exposure to antibiotics during the first 2 years of life and the risk of allergies/atopies including hay fever, eczema, food allergy, positive skin prick testing (SPT) or elevated allergen-specific serum/plasma immunoglobulin (Ig) E levels later in life. PubMed and Web of Science databases were searched for observational studies published from January 1966 through November 11, 2015. Overall pooled estimates of the odds ratios (ORs) were obtained using fixed or random-effects models...
November 6, 2017: Allergy
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