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Allergy, Asthma, and Clinical Immunology

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https://www.readbyqxmd.com/read/29308071/positive-correlation-of-airway-resistance-and-serum-asymmetric-dimethylarginine-adma-in-bronchial-asthma-patients-lacking-evidence-for-systemic-inflammation
#1
Gabor Tajti, Csaba Papp, Laszlo Kardos, Sandor Keki, Krisztian Pak, Magdolna Emma Szilasi, Rudolf Gesztelyi, Angela Mikaczo, Andrea Fodor, Maria Szilasi, Judit Zsuga
Background: Contribution of nitric-oxide (NO) pathway to the pathogenesis of bronchial asthma (asthma) is ambiguous as NO may confer both protective and detrimental effects depending on the NO synthase (NOS) isoforms, tissue compartments and underlying pathological conditions (e.g. systemic inflammation). Asymmetric dimethylarginine (ADMA) is an endogenous inhibitor and uncoupler of NOS with distinct selectivity for NOS isoforms. In a cross-sectional study, we assessed whether ADMA is an independent predictor of airway resistance (Raw) in therapy-controlled asthma...
2018: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29296108/feasibility-of-sustained-response-through-long-term-dosing-in-food-allergy-immunotherapy
#2
Sandra Andorf, Monali Manohar, Tina Dominguez, Whitney Block, Dana Tupa, Rohun A Kshirsagar, Vanitha Sampath, R Sharon Chinthrajah, Kari C Nadeau
Background: Clinical trials using oral immunotherapy (OIT) for the treatment of food allergies have shown promising results. We previously demonstrated the feasibility of desensitization for up to 5 food allergens simultaneously through OIT. In this observational study, we report the findings of long-term follow-up (LTFU) of the participants treated through a single site OIT phase 1 trial. Methods: The participants (n = 46) were followed up to 72 months since the time they reached 2 g maintenance dose per food in the initial phase 1 trial...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29296107/observational-long-term-follow-up-study-of-rapid-food-oral-immunotherapy-with-omalizumab
#3
Sandra Andorf, Monali Manohar, Tina Dominguez, Whitney Block, Dana Tupa, Rohun A Kshirsagar, Vanitha Sampath, R Sharon Chinthrajah, Kari C Nadeau
Background: A number of clinical studies focused on treating a single food allergy through oral immunotherapy (OIT) with adjunctive omalizumab treatment have been published. We previously demonstrated safety and tolerability of a rapid OIT protocol using omalizumab in a phase 1 study to achieve desensitization to multiple (up to 5) food allergens in parallel, rapidly (7-36 weeks; median = 18 weeks). In the current long-term, observational study, we followed 34 food allergic participants for over 5 years, who had originally undergone the phase 1 rapid OIT protocol...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29255476/mpo-anca-associated-vasculitis-with-mononeuritis-multiplex-following-influenza-vaccination
#4
Stefanie Eindhoven, Jolien Levels, Margriet Huisman, Koos Ruizeveld de Winter, Virgil Dalm, Rehmat Alwani
Background: Although influenza vaccines are generally safe and effective, a variety of autoimmune phenomena have been reported after vaccination over the past years, such as Guillain-Barre syndrome, rheumatoid arthritis, pemphigus vulgaris, psoriasis, giant cell arteritis and anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV). Case report: We describe the case of a 67-year old man who presented with a myeloperoxidase-ANCA associated vasculitis with renal involvement and mononeuritis multiplex after seasonal influenza vaccination...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29225631/initial-intravenous-immunoglobulin-doses-should-be-based-on-adjusted-body-weight-in-obese-patients-with-primary-immunodeficiency-disorders
#5
Rohan Ameratunga
Background: Immunoglobulin therapy plays a critical role in the treatment of immunodeficiency disorders as well as autoimmune and inflammatory conditions. In immunodeficient patients, there has been controversy whether initial loading doses of intravenous (IVIG) should be based on actual body weight or a calculated parameter such as adjusted body weight in obese patients. Case presentation: I describe a patient with Common Variable Immunodeficiency disorder (CVID) who underwent bariatric surgery for morbid obesity...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29201066/anaphylactic-shock-following-castor-bean-contact-a-case-report
#6
Y Coattrenec, D Jaques, P Jandus, T Harr, D Spoerl
Background: The castor bean plant, Ricinus communis, is known to have allergenic and toxic properties. Castor bean allergy has been described mainly as an occupational inhalation allergy in laboratory workers, in persons working in oil processing mills or in agricultural industry. So far, only one case of anaphylactic reaction due to castor bean sensitization confirmed by specific IgE has been described in literature. Case presentation: A 30-year-old woman presented to the emergency room with severe angioedema followed by urticaria, hypotension and tachycardia...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29176991/asthma-biomarkers-in-the-age-of-biologics
#7
REVIEW
Harold Kim, Anne K Ellis, David Fischer, Mary Noseworthy, Ron Olivenstein, Kenneth R Chapman, Jason Lee
The heterogeneous nature of asthma has been understood for decades, but the precise categorization of asthma has taken on new clinical importance in the era of specific biologic therapy. The simple categories of allergic and non-allergic asthma have given way to more precise phenotypes that hint at underlying biologic mechanisms of variable airflow limitation and airways inflammation. Understanding these mechanisms is of particular importance for the approximately 10% of patients with severe asthma. Biomarkers that aid in phenotyping allow physicians to "personalize" treatment with targeted biologic agents...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29151840/adherence-with-epinephrine-autoinjector-prescriptions-in-primary-care
#8
Elissa M Abrams, Alexander G Singer, Lisa Lix, Alan Katz, Marina Yogendran, F Estelle R Simons
Background: The aim of this study was to estimate primary adherence for epinephrine autoinjector (EA) prescriptions in primary care practices in Manitoba, Canada. Methods: A retrospective analysis of electronic medical record and administrative data was performed to determine primary adherence, defined as dispensation of a new EA prescription within 90 days of the date the prescription was written. Multivariable logistic regression models were used to test predictors of filling an EA prescription...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29118815/response-to-case-report-airway-autoimmune-responses-in-severe-eosinophilic-asthma-following-low-dose-mepolizumab-therapy
#9
I J Pouliquen, P Howarth, D Austin, G Gunn, E Meyer, R G Price, E Bradford
No abstract text is available yet for this article.
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29042863/adult-reference-intervals-for-igg-subclasses-with-siemens-immunonephelometric-assays-in-chinese-population
#10
Ping Li, Zhongjuan Liu, Ziyan Wu, Xiaoting Wen, Liubing Li, Shulan Zhang, Yingchun Xu, Yongzhe Li
OBJECTIVE: To determine the adult reference intervals for the Siemens IgG subclass reagents. METHODS: 636 blood samples of healthy adults were analyzed to determine the level of IgG subclass using the reagents of Siemens immunonephelometric assay with molecular biology kits. RESULTS: IgGSc reference intervals were as follows: IgG1 4.45-9.76 g/L, IgG2 2.07-8.57 g/L, IgG3 0.08-0.80 g/L and IgG4 0.05-1.54 g/L. There was an excellent correlation between the total IgG and the sum of the IgG subclasses...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29033984/are-food-allergic-consumers-ready-for-informative-precautionary-allergen-labelling
#11
Giovanni A Zurzolo, Rachel L Peters, Jennifer J Koplin, Maximilian de Courten, Michael L Mathai, Katrina J Allen
Precautionary allergen labelling (PAL) has resulted in consumer confusion. Previous research has shown that interpretive labels (using graphics, symbols, or colours) are better understood than the traditional forms of labels. In this study, we aimed to understand if consumers would use interpretive labels (symbol, mobile phone application and a toll-free number) with or without medical advice that was advocated by the food industry rather than the normal PAL. This is relevant information for industry and clinicians as it provides an insight into the food allergic perception regarding PAL...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28947906/oral-food-challenge-outcomes-in-a-pediatric-tertiary-care-center
#12
Elissa M Abrams, Allan B Becker
BACKGROUND: Oral food challenges are the clinical standard for diagnosis of food allergy. Little data exist on predictors of oral challenge failure and reaction severity. METHODS: A retrospective chart review was done on all pediatric patients who had oral food challenges in a tertiary care pediatric allergy clinic from 2008 to 2010. RESULTS: 313 oral challenges were performed, of which the majority were to peanut (105), egg (71), milk (41) and tree nuts (29)...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28924447/passive-blood-anaphylaxis-subcutaneous-immunoglobulins-are-a-cause-of-ongoing-passive-anaphylactic-reaction
#13
Przemyslaw Zdziarski, Andrzej Gamian, Jacek Majda, Agnieszka Korzeniowska-Kowal
BACKGROUND: Allergic, especially anaphylactic, reactions during immunoglobulin replacement therapy are rare, but their pathophysiology and classification remain ambiguous. Recent findings show positive results of skin tests with commercially available immunoglobulins, but target antigens and responsible compounds of the tested immunoglobulins have not been strictly identified. CASE DESCRIPTION AND FINDINGS: Four adult patients with recently diagnosed common variable immunodeficiency qualified for standard subcutaneous immunoglobulin replacement therapy regimen...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28878810/prevalence-and-clinical-features-of-adverse-food-reactions-in-portuguese-children
#14
Arminda Jorge, Elisa Soares, Emanuel Sarinho, Felix Lorente, Jorge Gama, Luís Taborda-Barata
BACKGROUND: The prevalence of adverse food reactions (AFR) has been increasing in the western world. Clinical manifestations are diversified and it may not be possible to clinically discriminate between IgE and non-IgE mediated AFR. In Portugal, the prevalence of AFR and food allergies in children is not known. Thus, the objectives of this study were to determine the prevalence of AFR in central Portugal. METHODS: Point prevalence study in 3-11 year-old schoolchildren from Central Portugal...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28861109/serum-free-ige-guided-dose-reduction-of-omalizumab-a-case-report
#15
Yasuhiro Gon, Reiko Ito, Shuichiro Maruoka, Kenji Mizumura, Yutaka Kozu, Hisato Hiranuma, Yuko Iida, Sotaro Shikano, Shu Hashimoto
BACKGROUND: Omalizumab is a human IgG1 antibody against IgE used as a therapy for sever asthmatic patients with asthma. According to the guidelines of the Global Initiative for Asthma, omalizumab is an add-on drug at treatment step 5 that is used for severe asthma patients who are allergic to perennial allergens. The effects of omalizumab for severe asthma therapy have been validated in multiple clinical studies. However, the long-term effects of omalizumab on IgE production and possibility of resetting of administration dose of omalizumab remain unknown...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28852410/management-of-chronic-spontaneous-urticaria-csu-a-treat-to-target-approach-using-a-patient-reported-outcome
#16
Hermenio Lima, Melinda Gooderham, Jan Dutz, Charles Lynde, Hugo Chapdelaine, Anne Ellis, Martin Gilbert, Vincent Ho, Kim Papp, Yves Poulin, Gordon Sussman
BACKGROUND: Treat-to-target therapy approaches are established for chronic diseases such as diabetes, hypertension, and more recently rheumatoid arthritis, resulting in improved patient outcomes. These approaches do not use patient reported outcomes (PRO) as targets of therapy. Chronic spontaneous urticaria (CSU), also called chronic idiopathic urticaria (CIU), is defined as recurrent urticaria of known and unknown cause, lasting more than 6 weeks. Treatment of CSU can be challenging...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28814959/poor-sleep-is-highly-associated-with-house-dust-mite-allergic-rhinitis-in-adults-and-children
#17
Damien Leger, Bénédicte Bonnefoy, Bernard Pigearias, Bertrand de La Giclais, Antoine Chartier
BACKGROUND: Sleep disorders are often underreported to physicians by patients with allergies. This study aimed to characterize the sleep disorders associated with respiratory allergy to house dust mites (HDM) at the time of initiation of sublingual allergen immunotherapy (SLIT) in routine clinical practice. METHODS: This prospective, cross-sectional, observational study was conducted between November 2014 and March 2015 at 189 French trial sites and included 1750 participants suffering from HDM allergy who were initiating SLIT...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28811823/protective-barrier-properties-of-rhinosectan%C3%A2-spray-containing-xyloglucan-on-an-organotypic-3d-airway-tissue-model-mucilair-results-of-an-in-vitro-study
#18
Barbara De Servi, Francesco Ranzini, Núria Piqué
BACKGROUND: To evaluate barrier protective properties of Rhinosectan® spray, a medical device containing xyloglucan, on nasal epithelial cells (MucilAir). METHODS: MucilAir-Nasal, a three-dimensional organotypic (with different cell types) airway tissue model, was treated with the medical device Rhinosectan® (30 µL) or with controls (Rhinocort-budesonide-or saline solution). The protective barrier effects of Rhinosectan® were evaluated by: TEER (trans-epithelial electrical resistance) (preservation of tight junctions), Lucifer Yellow assay (preservation of paracellular flux) and confocal immunofluorescence microscopy (localization of tight junction proteins)...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28769983/4-month-omalizumab-efficacy-outcomes-for-severe-allergic-asthma-the-dutch-national-omalizumab-in-asthma-registry
#19
S M Snelder, E J M Weersink, G J Braunstahl
BACKGROUND: Omalizumab is licensed as add-on therapy for patients with severe allergic asthma. Response is in most studies scored by the physician's global evaluation of treatment effectiveness (GETE). A good clinical and validated parameter for treatment response is currently missing. Also, there are no established criteria for identifying patients who will respond to omalizumab based on pre-treatment characteristics. The Dutch National Omalizumab in Asthma Registry was developed in 2011 to better evaluate inclusion criteria and measure treatment response after 4 months...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28706538/safety-of-100%C3%A2-%C3%A2%C2%B5g-venom-immunotherapy-rush-protocols-in-children-compared-to-adults
#20
Johanna Stoevesandt, Christine Hosp, Andreas Kerstan, Axel Trautmann
BACKGROUND: There is a paucity of studies examining the safety of venom immunotherapy (VIT) in children. We aimed to assess the incidence of anaphylactic side effects during rush VIT in a cohort of pediatric patients and adult controls. METHODS: 72 consecutive cycles of VIT-buildup in 71 children/adolescents aged 7-17 years were retrospectively evaluated and compared to an adult control group (n = 981) with regard to baseline parameters (sex, causative venom, severity of index sting reaction, results of allergy testing, comorbidities) and the incidence of anaphylactic adverse reactions...
2017: Allergy, Asthma, and Clinical Immunology
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