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Asthma immunotherapy

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https://www.readbyqxmd.com/read/29227721/chinese-guidelines-for-childhood-asthma-2016-major-updates-recommendations-and-key-regional-data
#1
Jianguo Hong, Yixiao Bao, Aihuan Chen, Changchong Li, Li Xiang, Chuanhe Liu, Zhimin Chen, Deyu Zhao, Zhou Fu, Yunxiao Shang
OBJECTIVE: With increased industrialization and urbanization in China, pediatric asthma is becoming more prevalent. Despite a growing body of evidence, there remains a significant unmet need for adequate management of childhood asthma. The Subspecialty Group of Respiratory Diseases of the Society of Pediatrics, the Chinese Medical Association, and the editorial board of the Chinese Journal of Pediatrics have recently updated the "Guidelines for diagnosis and optimal management of asthma in children," first published in 2008...
December 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29225657/satisfaction-and-quality-of-life-of-allergic-patients-following-sublingual-five-grass-pollen-tablet-immunotherapy-in-spain
#2
Darío Antolín-Amerigo, Isabel A Tabar, Maria Del Mar Fernández-Nieto, Anna M Callejo-Melgosa, Francisco J Muñoz-Bellido, José C Martínez-Alonso, Jorge D Méndez-Alcalde, Marta Reche, Ana Rodríguez-Trabado, Ana Rosado-Ingelmo, Alicia Alonso-Gómez, Rosa Blanco-González, José A Alvarez-Fernandez, Isabel Botella, Ana Valls, Mercedes Cimarra, Carlos Blanco
Background: Five-grass pollen tablet is an effective and well-tolerated therapy for patients with allergic rhinoconjunctivitis (ARC). This trial sought to determine the satisfaction and health-related quality of life (HRQoL) of patients undergoing this treatment. Methods: This was a cross-sectional, multicentre, observational, naturalistic study, following a discontinuous pre- and co-seasonal five-grass pollen regimen over two seasons in Spain (2012, 2013). The HRQoL of the patients was measured with the specific Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ) for adults, adolescent (AdolRQLQ), or paediatric (PRQLQ) patients...
2017: Drugs in Context
https://www.readbyqxmd.com/read/29221580/mechanisms-of-allergen-immunotherapy-for-inhaled-allergens-and-predictive-biomarkers
#3
REVIEW
Mohamed H Shamji, Stephen R Durham
Allergen immunotherapy is effective in patients with IgE-dependent allergic rhinitis and asthma. When immunotherapy is given continuously for 3 years, there is persistent clinical benefit for several years after its discontinuation. This disease-modifying effect is both antigen-specific and antigen-driven. Clinical improvement is accompanied by decreases in numbers of effector cells in target organs, including mast cells, basophils, eosinophils, and type 2 innate lymphoid cells. Immunotherapy results in the production of blocking IgG/IgG4 antibodies that can inhibit IgE-dependent activation mediated through both high-affinity IgE receptors (FcεRI) on mast cells and basophils and low-affinity IgE receptors (FcεRII) on B cells...
December 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29182437/immunotherapy-for-pet-allergies
#4
Tuomas Virtanen
Allergic diseases compose a serious challenge for modern societies. Their individual, medical and economical burden is large. As humans spend most of their time indoors, exposure to indoor allergens is a significant contributor to the development of allergic sensitization and respiratory allergies, such as allergic rhinoconjunctivitis and asthma. One important source of indoor allergens are pets, in particular cats and dogs. Allergens from these and other mammals spread effectively and they are encountered widely in public places...
November 28, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29178674/a-retrospective-study-of-clinical-response-predictors-in-subcutaneous-allergen-immunotherapy-with-house-dust-mites-for-allergic-rhinitis
#5
Ji Ho Lee, Su Chin Kim, Hyunna Choi, Chang Gyu Jung, Ga Young Ban, Yoo Seob Shin, Dong Ho Nahm, Hae Sim Park, Young Min Ye
PURPOSE: House dust mites (HDM) are major allergens that cause allergic rhinitis (AR). Allergen-specific subcutaneous immunotherapy (SCIT) has been shown to be clinically beneficial in many clinical trials. Such trials, however, are not reflective of all patient populations. The aim of this study was to describe the efficacy and safety of SCIT in routine clinical practice in Korean adults with AR sensitized to HDM. METHODS: We reviewed medical records of 304 patients with AR treated at an allergy clinic of a tertiary hospital using SCIT with aluminum hydroxide-adsorbed allergen extract targeting HDM alone or with pollens for at least 1 year from 2000 to 2012...
January 2018: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/29168570/specific-immunotherapy-in-lar-a-randomized-double-blind-placebo-controlled-trial-with-phleum-pratense-subcutaneous-allergen-immunotherapy
#6
Carmen Rondón, Natalia Blanca-López, Paloma Campo, Cristobalina Mayorga, Raquel Jurado-Escobar, Maria J Torres, Gabriela Canto, Miguel Blanca
BACKGROUND: Allergen immunotherapy has been shown to be an effective treatment for local allergic rhinitis (LAR) to house dust mites. Studies with pollen allergen immunotherapy are limited to observational studies. The aim of this study was to evaluate the clinical efficacy and safety of Phleum pratense subcutaneous immunotherapy (Phl-SCIT) in LAR. METHODS: In a randomized double-blind placebo-controlled study, 56 patients with moderate-severe LAR to grass pollen received Phl-SCIT with a depigmented-polymerized pollen vaccine or placebo for the first year, and Phl-SCIT the second one...
November 23, 2017: Allergy
https://www.readbyqxmd.com/read/29159975/rcat-reflects-symptom-control-and-quality-of-life-in-allergic-rhinoconjunctivitis-patients
#7
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/29146015/tablet-based-sublingual-immunotherapy-for-respiratory-allergy
#8
REVIEW
L Prieto
Allergic respiratory disease represents a significant and expanding health problem worldwide. The gold standard of therapeutic intervention is still grucocorticosteroids, although they are not effective in all patients and may cause side effects. Allergen Immunotherapy has been administrated as subcutaneous injections for treatment of allergic rhinoconjunctivitis and asthma and has been practiced for the past century. Sublingual immunotherapy (SLIT) tablets are now available for grass- or ragweed-induced rhinoconjunctivitis and will be available in Spain for house dust mite (HDM)-induced rhinoconjunctivitis and asthma in the next months...
December 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29130803/steroid-sparing-effect-of-sublingual-immunotherapy-real-life-study-in-mono-polisensitized-children-with-asthma
#9
Nerin Nadir Bahceciler, Nilufer Galip, Arzu Babayigit
AIM: Steroid-sparing effect of sublingual immunotherapy (SLIT) in mono/polisensitized asthmatic children were evaluated. MATERIALS AND METHODS:  Children undergoing allergen-specific SLIT between 2010 and 2014 were included. Asthma control and usage/dose of inhaled corticosteroid (ICS) in the previous year was determined. Asthma control without ICS need ≥6 months was defined as 'ICS avoidance'. RESULTS:  90 children (mean ± SD age 8...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29130799/allergen-immunotherapy-modulates-sensitivity-of-treg-cells-to-apoptosis-in-a-rat-model-of-allergic-asthma
#10
Ankur Datta, Saibal Moitra, Prasanta K Das, Somnath Mondal, Sk Md Omar Faruk, Iman Hazra, Santanu K Tripathi, Swapna Chaudhuri
AIM: To study the apoptosis of Foxp3(+) Treg cells following Alstonia scholaris pollen sensitization-challenge and following allergen immunotherapy. MATERIALS & METHODS: Wistar rats were sensitized-challenged with Alstonia scholaris pollen and were further given intranasal immunotherapy. For the analysis of the apoptotic proteins on Treg cells by flow cytometry, multiple gating procedures were followed. RESULTS: Allergen sensitization-challenge increases Annexin-V, Fas, FasL, caspases-8, 9, 3 cytochrome-C, APAF-1, Bax, perforin-1 and granzyme-B on Treg cells which is decreased following intranasal immunotherapy...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29115430/expression-purification-and-epitope-analysis-of-pla%C3%A2-a%C3%A2-2-allergen-from-platanus-acerifolia-pollen
#11
De-Wang Wang, Wei-Wei Ni, Yan-Jun Zhou, Wen Huang, Meng-Da Cao, Ling Meng, Ji-Fu Wei
Platanus acerifolia is one of the major sources of outdoor allergens to humans, and can induce allergic asthma, rhinitis, dermatitis and other allergic diseases. Pla a 2 is a polygalacturonase and represents the major allergen identified in P. acerifolia pollen. The aim of the present study was to express and purify Pla a 2, and to predict B and T cell epitopes of Pla a 2. The gene encoding Pla a 2 was cloned into the pET28a vector and subsequently transfected into ArcticExpress™ (DE3) Escherichia coli cells; purified Pla a 2 was analyzed by western blot analysis...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113525/biological-mechanisms-underlying-the-clinical-effects-of-allergen-specific-immunotherapy-in-asthmatic-children
#12
Corrado Pelaia, Alessandro Vatrella, Nicola Lombardo, Rosa Terracciano, Paolo Navalesi, Rocco Savino, Girolamo Pelaia
Allergen-specific immunotherapy (AIT) is indicated for patients with allergic asthma and/or allergic rhinitis, and can be implemented by either subcutaneous injection (SCIT) or sublingual administration (SLIT). AIT reduces asthma symptoms, lowers the use of pharmacologic controller therapy, and decreases the need for rescue medications. SLIT appears to be safer than SCIT, but SCIT seems to be more efficacious and acts earlier in allergic asthmatic children. Areas covered: This review looks at the pathobiology of allergic asthma as well as the role of regulatory T and B cells in allergen tolerance...
November 8, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29103453/clinical-applications-of-sublingual-immunotherapy
#13
REVIEW
Thomas S Edwards, Sarah K Wise
Sublingual immunotherapy (SLIT) is effective for the treatment of allergic rhinitis and allergic asthma in adults and children. In a limited number of studies, SLIT efficacy has been demonstrated for the treatment of food allergy. SLIT has a higher safety profile versus subcutaneous immunotherapy, although some systemic reactions have been reported. Appropriate patient selection, meticulous patient education, and routine follow-up are key for the safe and effective administration of SLIT. With organization and attention to detail, adding SLIT to one's practice can provide a highly valued patient service...
December 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29094511/a-comparison-of-nanoparticullate-cpg-immunotherapy-with-and-without-allergens-in-spontaneously-equine-asthma-affected-horses-an-animal-model
#14
John Klier, Sabine Geis, Jeanette Steuer, Katharina Geh, Sven Reese, Sebastian Fuchs, Ralf S Mueller, Gerhard Winter, Heidrun Gehlen
INTRODUCTION: New therapeutic strategies to modulate the immune response of human and equine allergic asthma are still under extensive investigation. Immunomodulating agents stimulating T-regulatory cells offer new treatment options beyond conventional symptomatic treatment or specific immunotherapy for human and equine allergic airway diseases, with the goal of a homoeostatic T-helper cell balance. The aim of this study was to evaluate the effects of a nebulized gelatin nanoparticle-CpG formulation (CpG-GNP) with and without specific allergens for the treatment of spontaneous allergic equine asthma as a model for human asthma...
November 1, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29079219/house-dust-mite-allergy-its-innate-immune-response-and-immunotherapy
#15
REVIEW
Fang-Liang Huang, En-Chih Liao, Sheng-Jie Yu
Over the past few decades, allergic diseases have become increasingly prevalent worldwide. House dust mite (HDM) is the most important domestic source for allergic diseases such as allergic rhinitis, asthma and atopic dermatitis. Dermatophagoides pteronyssinus (Der p) is the major environmental allergen in southeast Asia because of the humid and warm environment is suitable for its growth. In the recent year, role of HDM allergen in allergic inflammation through innate immune system has been well studied. Toll-like receptors (TLRs), protease-activated receptors (PARs) and DC-SIGN could be activated by different HDM major allergens and proinflammatory cytokines also be upregulated...
October 16, 2017: Immunobiology
https://www.readbyqxmd.com/read/29076600/towards-safer-oral-immunotherapy-for-food-allergy-and-allergic-asthma-is-still-increasing-in-prevalence
#16
EDITORIAL
G Roberts
No abstract text is available yet for this article.
November 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29072507/grass-pollen-sublingual-immunotherapy-tablets-provide-long-term-relief-of-grass-pollen-associated-allergic-rhinitis-and-reduce-the-risk-of-asthma-findings-from-a-retrospective-real-world-database-subanalysis
#17
Philippe Devillier, Ulrich Wahn, Stefan Zielen, Joachim Heinrich
BACKGROUND: We assessed real-world, long-term effectiveness of two marketed sublingual immunotherapy (SLIT) tablets for allergic rhinitis (AR), and their impact on allergic asthma (AA) onset/progression. METHODS: Retrospective, longitudinal German prescription database subanalysis of AR patients receiving 5- or 1-grass pollen SLIT tablets (n = 1,466/1,385), versus patients not using allergy immunotherapy (AIT) (n = 71,275). Primary endpoint: change over time in AR symptomatic medication prescriptions after treatment cessation; secondary endpoints: new asthma onset, and change over time in asthma medication prescriptions during treatment/follow-up periods...
November 6, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29058249/a-2-year-step-down-withdrawal-from-inhaled-corticosteroids-in-asthmatic-children-receiving-immunotherapy
#18
Chun-Hui He, Xing Li, Jun-Hong Lin, Qiang Xiao, Jia-Lu Yu, Ying-Fen Liu, Wen-Hui Jiang, Chen Chen, Li Deng, Jie Zhou
BACKGROUND: Inhaled corticosteroids (ICSs) for treating asthma are controversial because of their negative effects on the growth of asthmatic children and without clearly defined withdrawal strategy. A 2-year ICS step-down and withdrawal strategy has been developed for asthmatic children receiving 3-year subcutaneous immunotherapy (SCIT). METHODS: Eleven children were included into the SCIT group and 13 children into the ICS group. ICSs were discontinued when children met the following criteria: requiring only 1 puffper day, with good control, for at least 6 months; having a forced expiratory volume in 1 second (FEV1)/forced vital capacity ≥80%; and SCIT discontinued for ≥24 months...
December 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/29046189/high-adherence-to-subcutaneous-immunotherapy-in-a-real-life-study-from-a-large-tertiary-medical-center
#19
Aslı Gelincik, Semra Demir, Müge Olgaç, Halim İşsever, Bayerma Khishigsuren, Ferhan Özşeker, Bahauddin Çolakoğlu, Suna Büyüköztürk
BACKGROUND: Studies on real-life adherence to subcutaneous allergen immunotherapy (SCIT) for respiratory allergy are scarce. The aim of this study was to evaluate adherence to SCIT. METHODS: The patients prescribed SCIT for allergic rhinitis and/or asthma in 2009-2011 were contacted in 2014 and asked whether they completed at least the 3 years of SCIT and/or whether they suspended the treatment for at least 2 months. The Total Symptom Score-6, visual analog scale (VAS), asthma control test (ACT), medication scores, quality of life (QoL) scores, and immunotherapy satisfaction scores with VAS obtained before the initiation of SCIT in the first year and at the end of SCIT were compared...
November 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/29038166/why-and-how-to-step-down-chronic-asthma-drugs
#20
REVIEW
Michael R Gionfriddo, John B Hagan, Matthew A Rank
Asthma is a common chronic airways disease. The goal of asthma management is to control symptoms while minimizing the side effects of treatment. Following a period of stable asthma, clinicians should consider stepping down treatment. This approach is recommended by current guidelines. Step-down has been studied for several types of asthma drug regimens, and certain approaches may have lower risk than others. Systematic reviews of multiple trials support the following specific step-down approaches: optimizing inhaled corticosteroid dosing when stepping down oral corticosteroid, reducing inhaled corticosteroid from a higher dose, lowering inhaled corticosteroid-long acting bronchodilator (ICS-LABA) dose while adding ICS-LABA on-demand, adding leukotriene receptor antagonist (LTRA) while lowering inhaled corticosteroid dose, and using allergen immunotherapy when reducing inhaled corticosteroid from a higher dose...
October 16, 2017: BMJ: British Medical Journal
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