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allergy immunotherapy

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https://www.readbyqxmd.com/read/29159975/rcat-reflects-symptom-control-and-quality-of-life-in-allergic-rhinoconjunctivitis-patients
#1
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
#2
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/29156294/phospholipase-a1-based-cross-reactivity-among-venoms-of-clinically-relevant-hymenoptera-from-neotropical-and-temperate-regions
#3
Amilcar Perez-Riverol, Luís Gustavo Romani Fernandes, Alexis Musacchio Lasa, José Roberto Aparecido Dos Santos-Pinto, Débora Moitinho Abram, Gabriel Hideki Izuka Moraes, Frederic Jabs, Michaela Miehe, Henning Seismman, Mario Sergio Palma, Ricardo de Lima Zollner, Edzard Spillner, Márcia Regina Brochetto-Braga
Molecular cross-reactivity caused by allergen homology or cross-reactive carbohydrate determinants (CCDs) is a major challenge for diagnosis and immunotherapy of insect venom allergy. Venom phospholipases A1 (PLA1s) are classical, mostly non-glycosylated wasp and ant allergens that provide diagnostic benefit for differentiation of genuine sensitizations from cross-reactivity. As CCD-free molecules, venom PLA1s are not causative for CCD-based cross-reactivity. Little is known however about the protein-based cross-reactivity of PLA1 within vespid species...
November 17, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29150718/re-educating-immunity-in-respiratory-allergies-the-potential-for-hematopoietic-stem-cell-mediated-gene-therapy
#4
REVIEW
Jeremy F Brooks, Janet M Davies, James W Wells, Raymond J Steptoe
Respiratory allergies represent a significant disease burden worldwide affecting up to 300 million people globally. Medication and avoidance of known triggers do not address the underlying pathology. Traditional immunotherapies for allergy aim to reinstate immune homeostasis but require years of treatment and have poor long-term efficacy. Novel approaches, such as gene-engineered hematopoietic stem cell transplantation, induce profound antigen-specific tolerance in autoimmunity. Recent evidence shows this approach may also have therapeutic utility for allergy...
November 17, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29146015/tablet-based-sublingual-immunotherapy-for-respiratory-allergy
#5
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...
November 13, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29136445/effect-of-varying-doses-of-epicutaneous-immunotherapy-vs-placebo-on-reaction-to-peanut-protein-exposure-among-patients-with-peanut-sensitivity-a-randomized-clinical-trial
#6
Hugh A Sampson, Wayne G Shreffler, William H Yang, Gordon L Sussman, Terri F Brown-Whitehorn, Kari C Nadeau, Amarjit S Cheema, Stephanie A Leonard, Jacqueline A Pongracic, Christine Sauvage-Delebarre, Amal H Assa'ad, Frederic de Blay, J Andrew Bird, Stephen A Tilles, Franck Boralevi, Thierry Bourrier, Jacques Hébert, Todd D Green, Roy Gerth van Wijk, André C Knulst, Gisèle Kanny, Lynda C Schneider, Marek L Kowalski, Christophe Dupont
Importance: Epicutaneous immunotherapy may have potential for treating peanut allergy but has been assessed only in preclinical and early human trials. Objective: To determine the optimal dose, adverse events (AEs), and efficacy of a peanut patch for peanut allergy treatment. Design, Setting, and Participants: Phase 2b double-blind, placebo-controlled, dose-ranging trial of a peanut patch in peanut-allergic patients (6-55 years) from 22 centers, with a 2-year, open-label extension (July 31, 2012-July 31, 2014; extension completed September 29, 2016)...
November 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29132677/adjuvant-therapies-in-food-immunotherapy
#7
REVIEW
Wenyin Loh, Mimi Tang
Finding an effective curative treatment for food allergy is a research priority. Although oral immunotherapy (OIT) is effective at inducing desensitization, the temporary nature of this effect and high rates of adverse reactions have highlighted a need for novel strategies to improve tolerance induction and safety. One such strategy is the use of an adjuvant together with food immunotherapy to either suppress allergic reactions and/or modulate the underlying allergic immune response. In particular, the use of bacterial adjuvants seems to be a promising means of enhancing OIT-induced sustained unresponsiveness and warrants further investigation...
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29132676/interventional-therapies-for-the-treatment-of-food-allergy
#8
REVIEW
Christopher P Parrish, Edwin H Kim, J Andrew Bird
Treatment of IgE-mediated food allergies is limited to allergen avoidance and emergency treatment on accidental ingestion, which is not uncommon. In recent years, interest in interventional therapies to treat food allergy has increased significantly. Although oral, sublingual, and epicutaneous immunotherapy have shown promise in studies, none is approved as therapy for food allergy to date and questions remain regarding efficacy, safety, dosing, and duration of therapy.
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29132675/the-role-of-baked-egg-and-milk-in-the-diets-of-allergic-children
#9
REVIEW
Melissa L Robinson, Bruce J Lanser
Baked egg and baked milk are tolerated by most children who are allergic to hen's egg and cow's milk. Incorporating baked goods into the diets of allergic children may help them outgrow their primary allergy more quickly, with changes observed akin to immunotherapy. Benefits may also include increased quality of life and improved nutritional status. The search for a reliable biomarker to predict tolerance to baked goods is ongoing. Most children with a milk or egg allergy who are not previously tolerating egg or milk in baked goods should be offered an observed oral food challenge...
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29132672/oral-tolerance-development-and-maintenance
#10
REVIEW
Erik Wambre, David Jeong
The gastrointestinal tract has an abundant mucosal immune system to develop and maintain oral tolerance. The oral route of administration takes advantage of the unique set of immune cells and pathways involved in the induction of oral tolerance. Food allergy results from a loss of oral tolerance toward ingested antigens. Oral immunotherapy is thought to initiate desensitization through interaction of an allergen with mucosal dendritic cells that initiate downstream immune system modulation through regulatory T cells and effector T cells...
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29130986/skin-test-reactivity-to-hymenoptera-venom-after-venom-immunotherapy-correlates-inversely-with-the-igg-ige-ratio
#11
Ieva Saulite, Wolfram Hoetzenecker, Emmanuella Guenova, Peter Schmid-Grendelmeier, Martin Glatz
BACKGROUND: Skin test reactivity to hymenoptera venom and venom-specific IgE are important for diagnosing venom allergy and deciding on the appropriate allergen for venom immunotherapy (VIT). Longitudinal data on skin test reactivity during VIT and their correlation with venom-specific immunoglobulin (Ig)E and IgG are scarce. METHODS: We retrospectively analyzed shifts in skin test reactivity and serum levels of venom-specific IgE and IgG in patients allergic to hymenoptera venom before the initiation of VIT with ultrarush therapy and after ≥3 years of VIT...
November 9, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29130935/histamine-releasing-factor-enhances-food-allergy
#12
Tomoaki Ando, Jun-Ichi Kashiwakura, Naoka Itoh-Nagato, Hirotaka Yamashita, Minato Baba, Yu Kawakami, Shih Han Tsai, Naoki Inagaki, Kiyoshi Takeda, Tsutomu Iwata, Naoki Shimojo, Takao Fujisawa, Mizuho Nagao, Kenji Matsumoto, Yuko Kawakami, Toshiaki Kawakami
Food allergy occurs due to IgE- and mast cell-dependent intestinal inflammation. Previously, we showed that histamine-releasing factor (HRF), a multifunctional protein secreted during allergy, interacts with a subset of IgE molecules and that the HRF dimer activates mast cells in an HRF-reactive IgE-dependent manner. In this study, we investigated whether HRF plays any role in food allergy. Specifically, we determined that prophylactic and therapeutic administration of HRF inhibitors that block HRF-IgE interactions reduces the incidence of diarrhea and mastocytosis in a murine model of food allergy...
November 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29130933/histamine-releasing-factor-a-promising-therapeutic-target-for-food-allergy
#13
Marsha Wills-Karp
The prevalence of food allergies has been increasing at an alarming rate over the last few decades. Despite the dramatic increase in disease prevalence, the development of effective therapies has not kept pace. In this issue of the JCI, Ando et al. provide a causal link between histamine-releasing factor (HRF) interactions with IgE and food allergy in a murine model. Successful oral immunotherapy of both egg-allergic human patients and food-allergic mice was associated with sustained suppression of HRF-reactive IgE levels...
November 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29130802/oral-immunotherapy-using-polymeric-nanoparticles-loaded-with-peanut-proteins-in-a-murine-model-of-fatal-anaphylaxis
#14
Carlos Gamazo, Maddi García-Azpíroz, Juliana De Souza Rebouças, Gabriel Gastaminza, Marta Ferrer, Juan M Irache
BACKGROUND: Peanut allergy is the most common cause of anaphylaxis and food-related death. However, there is currently no approved immunotherapy treatment. Hence, this warrants the need for relevant and convenient animal models to test for adequate immunotherapies. MATERIALS & METHODS: In this study, we compared three mouse strains: CD1, BALB/c and C57, to select a model of peanut allergy. After that, we conducted then a therapeutic study using an immunogenic peanut extract encapsulated in nanoparticles made with polymer Gantrez(®) following the solvent displacement method...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29130801/the-relevance-of-house-dust-mites-allergy-in-clinical-practice-the-epidemiological-impact-on-allergen-immunotherapy
#15
Giorgio Ciprandi, Paola Puccinelli, Cristoforo Incorvaia, Giovanni Passalacqua
House dust mite (HDM) is the most common cause of respiratory allergy worldwide. The impact of HDM allergy is influenced by a number of factors, including local climate. We investigated such issue in Italy, using a real-life setting, including outpatients visited at allergy clinics. In 9143 patients (7873 adults and 1270 children) who were evaluated in 15 allergy clinics, investigating as well the rate of prescription of allergen immunotherapy. The present study confirms that Mediterranean climate is associated with a higher prevalence of mite allergy than continental climate...
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
#16
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/29130797/dose-finding-study-of-carbamylated-monomeric-allergoid-tablets-in-grass-allergic-rhinoconjunctivitis-patients
#17
Ralph Mösges, Christina Rohdenburg, Andrea Eichel, Gregor Zadoyan, Elena-Manja Kasche, Kija Shah-Hosseini, Walter Lehmacher, Petra Schmalz, Enrico Compalati
AIM: To determine the optimal effective and safe dose of sublingual immunotherapy tablets containing carbamylated monomeric allergoids in patients with grass pollen-induced allergic rhinoconjunctivitis. METHODS: In this prospective, randomized, double-blind, active-controlled, multicenter, Phase II study, four different daily doses were applied preseasonally for 12 weeks. RESULTS: Of 158 randomized adults, 155 subjects (safety population) received 300 units of allergy (UA)/day (n = 36), 600 UA/day (n = 43), 1000 UA/day (n = 39), or 2000 UA/day (n = 37)...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29130794/allergen-immunotherapy-for-birch-apple-syndrome-what-do-we-know
#18
Cristoforo Incorvaia, Erminia Ridolo, Marina Mauro, Marina Russello, Elide Pastorello
Apple allergy is common in patients allergic to birch pollen, and this is defined as 'birch-apple syndrome'. Allergens responsible for cross-reactivity belong to the pathogenesis-related-10 family, and high homology in the amino acid sequences of the major allergens Bet v 1 from birch and Mal d 1 from apple has been demonstrated. Here we review the literature on the treatment of birch-apple syndrome by allergen immunotherapy. The only allergen immunotherapy method available thus far is based on the administration of birch-pollen extracts, through the subcutaneous or sublingual route, to induce tolerance to Bet v1 and to the homologous allergen Mal d 1...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29130793/from-genomes-to-diaries-a-3-year-prospective-real-life-study-of-ragweed-specific-sublingual-immunotherapy
#19
Viktor Molnár, Adrienne Nagy, Lilla Tamási, Gabriella Gálffy, Renáta Böcskei, András Bikov, Ibolya Czaller, Zsuzsanna Csoma, Magdolna Krasznai, Csilla Csáki, Györgyi Zsigmond, Zoltán Csontos, Anikó Kurucz, Edina Kurucz, Beáta Fábos, Bálint L Bálint, Mária Sasvári-Székely, Anna Székely, Eszter Kótyuk, Gergely T Kozma, Gábor Cserta, Anita Farkas, Zsófia Gál, András Gézsi, András Millinghoffer, Péter Antal, Csaba Szalai
During the last decades, the prevalence of allergy has dramatically increased. Allergen-specific immunotherapy is the only currently available medical intervention that has the potential to affect the natural course of the disease, but there are still many questions and unmet needs hindering its widespread use to fulfill its treatment potential and maximize its benefits for the society. To provide a comprehensive phenome-wide overview in sublingual immunotherapy, using ragweed allergy as a target, we planned and carried out a longitudinal, prospective, observational, open-label study (DesensIT)...
November 2017: Immunotherapy
https://www.readbyqxmd.com/read/29129889/-an-adult-case-of-egg-allergy-treated-with-rush-oral-immunotherapy
#20
Mayumi Yamazaki, Atsushi Isozaki, Aki Tanaka, Eriko Ando, Yoichi Nakamura, Kazuyuki Kurihara
A 26-year-old female patient exhibited symptoms associated with egg allergy, which had been present since early childhood. The patient requested the treatment of egg allergy and was admitted to our hospital for rush oral immunotherapy. The threshold was determined by an oral food challenge test, after positive results on a double-blind food challenge test. The patient ingested dry powder of raw egg-white 5 times per day starting with a tenth of the threshold dose (3.0mg), followed by a 1.2-times increase every time...
2017: Arerugī, [Allergy]
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