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Chronic spontaneous urticaria

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https://www.readbyqxmd.com/read/27931301/corticosteroid-related-toxicity-in-patients-with-chronic-idiopathic-urticariachronic-spontaneous-urticaria
#1
Dennis Ledford, Michael S Broder, Evgeniya Antonova, Theodore A Omachi, Eunice Chang, Allan Luskin
BACKGROUND: Treatments for patients with chronic idiopathic urticaria (CIU)chronic spontaneous urticaria (CSU) who were unresponsive to antihistamines include oral corticosteroids (OCS). Risks of OCS-related side effects in these patients have not been described quantitatively. OBJECTIVE: To investigate the relationship between OCS use and the risk of developing side effects possibly attributable to OCS and associated health care costs in privately insured patients with CIU/CSU...
November 2016: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/27931300/clinical-and-etiologic-evaluation-of-the-children-with-chronic-urticaria
#2
Dilek Azkur, Ersoy Civelek, Mge Toyran, Emine Dibek Msrlolu, Mustafa Erkoolu, Ayenur Kaya, Emine Vezir, Tayfur Gini, Ayegl Akan, Can Naci Kocaba
BACKGROUND: Chronic urticaria (CU) is a skin disorder defined as daily or almost daily exhibition of pruritic and transient wheals that last for 6 weeks. CU is divided into two subtypes: chronic spontaneous urticaria (CSU) and chronic inducible urticaria (CIndU). OBJECTIVES: To evaluate the clinical features, possible causes, associated findings, and laboratory results of different subtypes of CU in children according to a new classification. METHODS: In this study, we evaluated the clinical features, laboratory investigations, and provocation tests of children with different subtypes of CU according to a new classification...
November 2016: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/27927024/investigation-of-thiol-disulphide-balance-in-patients-with-acute-urticaria-and-chronic-spontaneous-urticaria
#3
Ayse Akbas, Fadime Kilinc, Sertac Sener, Akın Aktaş, Pervin Baran, Merve Ergin
BACKGROUND: Thiol-disulphide balance plays a major role in health and diseases. This balance may be disrupted by various diseases. We aimed to determine status of the effect of thiol -disulphide balance in urticaria Objectives: We aimed to investigate the thiol-disulphide balance in patients with acute urticaria and chronic spontaneous urticaria. METHODS: Study included 53 patients with acute urticaria and 47 healthy controls plus 57 patients with chronic spontaneous urticaria and 57 healthy controls...
December 7, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27926978/potential-blood-biomarkers-in-chronic-spontaneous-urticaria
#4
Pavel Kolkhir, Fiona Andre, Martin K Church, Marcus Maurer, Martin Metz
BACKGROUND: Chronic spontaneous urticaria (CSU) is a mast cell-driven disease that is defined as the recurrence of wheals, angioedema, or both for >6 weeks due to known or unknown causes. As of yet, disease diagnosis is purely clinical. Objective tools are needed to monitor the activity of CSU and the efficacy of treatment. Recently, several reports have suggested that blood parameters may be considered as potential disease-related biomarkers. OBJECTIVE: To review available literature on blood biomarkers for CSU diagnosis, activity monitoring, duration, patient subgroups allocation or response to treatment...
December 7, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27920467/possible-therapeutic-role-of-ige-blockade-in-irritable-bowel-syndrome
#5
EDITORIAL
Eli Magen, Tinatin Chikovani
Omalizumab is a humanized monoclonal antibody that binds to the high-affinity type-I IgE Fc receptors on mast cells (MCs) and basophils, inhibiting the IgE immune pathway. Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder, and dysregulation of the immune system likely contributes to its etiology and/or symptomatology. Colonic biopsies from patients with IBS demonstrate considerable increase in the number of degranulating MCs releasing histamine in proximity to nerves, and this event may underlie the common IBS symptom of abdominal pain...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27914623/efficacy-and-safety-of-omalizumab-in-a-patient-with-chronic-spontaneous-urticaria-and-active-hepatitis-b-virus-infection
#6
P Chicharro, P Rodríguez-Jiménez, D de Argila
No abstract text is available yet for this article.
November 30, 2016: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/27911016/positive-impact-of-omalizumab-on-angioedema-and-quality-of-life-in-patients-with-refractory-chronic-idiopathic-spontaneous-urticaria-analyses-according-to-the-presence-or-absence-of-angioedema
#7
M Maurer, H Sofen, B Ortiz, F Kianifard, S Gabriel, J A Bernstein
BACKGROUND: Approximately 50% of patients with chronic idiopathic/spontaneous urticaria (CIU/CSU) report hives and angioedema; some experience hives/ angioedema only. OBJECTIVE: Assess omalizumab's effect on angioedema and quality of life (QoL) in subgroups with refractory CIU/CSU: those with and without angioedema. METHODS: Patients received omalizumab (75, 150 or 300 mg) or placebo every 4 weeks for 12/24 weeks. Angioedema and QoL was assessed (Urticaria Patient Daily Diary and Dermatology Quality of Life Index [DLQI])...
December 2, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27907915/parasitic-infections-in-children-with-chronic-spontaneous-urticaria
#8
Ebru Arik Yilmaz, Betul Karaatmaca, Cansin Sackesen, Umit Murat Sahiner, Ozlem Cavkaytar, Bulent E Sekerel, Ozge Soyer
BACKGROUND: Parasites have been proposed to be an underlying cause of chronic spontaneous urticaria (CSU) in childhood, but a clear causal relationship between them has not been established. This study aimed to investigate the prevalence of parasitic infection-related CSU (PIRCSU) in children and to determine the factors associated with PIRCSU. METHOD: Data from 211 children with CSU were analyzed. Information on stool examination, antiparasitic medications received, and response to treatment was recorded...
December 2, 2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27886907/differential-diagnosis-of-chronic-urticaria-and-angioedema-based-on-molecular-biology-pharmacology-and-proteomics
#9
REVIEW
David H Dreyfus
Differential diagnosis of urticaria and angioedema has been based on the phenotype as either acute or chronic depending on the duration of more than 6 to 8 weeks, respectively. Additional subdivisions include poorly defined terms such as idiopathic, spontaneous, or autoimmune. In this article, the author suggests that an increased understanding of the acquired and innate immune system and data from novel proteomic technology have blurred the lines between these categories of diagnosis. Specific molecular pathways and response to specific medications should be incorporated in classification and diagnosis schemes...
February 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/27882879/treatment-of-chronic-spontaneous-urticaria-with-an-inadequate-response-to-h1-antihistamines-an-expert-opinion
#10
Christian Vestergaard, Elias Toubi, Marcus Maurer, Massimo Triggiani, Barbara Ballmer-Weber, Alexander Marsland, Marta Ferrer, André Knulst, Ana Giménez-Arnau
Chronic spontaneous urticaria (CSU) is characterized by the sudden, continuous or intermittent appearance of pruritic wheals (hives), angioedema, or both for six weeks or more, with no known specific trigger. The international EAACI/GA(2)LEN/EDF/WAO urticaria guideline advises standard-dose, second-generation H1-antihistamines as first-line therapy. However, H1-antihistamine treatment leads to absence of symptoms in fewer than 50% of patients. Updosing of second-generation H1-antihistamines (up to fourfold) as recommended by the EAACI/GA(2)LEN/EDF/WAO urticaria guideline as second-line therapy, can improve response, but many patients remain symptomatic...
November 23, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27864023/association-of-orai1-gene-polymorphisms-with-chronic-spontaneous-urticaria-and-the-efficacy-of-nonsedating-h1-antihistamines
#11
Jie Li, Aiyuan Guo, Lianghua Bin, Yijing He, Wu Zhu, Siyu Yan, Cong Peng, Mingliang Chen, Jianglin Zhang, Juan Su, Mei Yi, Zhaoqian Liu, Wei Zhang, Weiqi Zeng, Donald Y M Leung, Wangqing Chen, Xiang Chen
Human ORAI1 polymorphisms were associated with susceptibility to CSU, and the CSU patients who carry rs3741595C allele have reduced responsiveness to nonsedating H1-antihistamines.
November 15, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27862227/one-year-safety-and-efficacy-study-of-bilastine-treatment-in-japanese-patients-with-chronic-spontaneous-urticaria-or-pruritus-associated-with-skin-diseases
#12
Akiko Yagami, Masutaka Furue, Michinori Togawa, Akihiro Saito, Michihiro Hide
A number of second-generation non-sedating antihistamines are used in clinical practices over the world. However, long-term safety and efficacy have not been proved high level evidence based medicine. We have performed an open-label, multicenter, phase III study to evaluate the long-term safety and efficacy of bilastine, a novel non-sedating H1 -antihistamine for patients with chronic spontaneous urticaria (CSU) or pruritus associated with skin diseases (trial registration no. JapicCTI-142528). Patients aged 18-74 years were treated with bilastine 20 mg once daily for up to 52 weeks...
November 14, 2016: Journal of Dermatology
https://www.readbyqxmd.com/read/27861988/mechanisms-of-action-that-contribute-to-efficacy-of-omalizumab-in-chronic-spontaneous-urticaria
#13
REVIEW
Allen P Kaplan, Ana M Giménez-Arnau, Sarbjit Singh Saini
The monoclonal anti-immunoglobulin E (IgE) antibody, omalizumab, was the first drug approved for use in patients with chronic idiopathic/spontaneous urticaria (CIU/CSU) who remain symptomatic despite H1 -antihistamine treatment. Omalizumab binds to free IgE, which lowers free IgE levels and causes FcεRI receptors on basophils and mast cells to be downregulated. It has been shown to improve symptoms of CIU/CSU, but its mechanism of action is not currently understood. Potential mechanisms in CIU/CSU include reducing mast cell releasability, reversing basopenia and improving basophil IgE receptor function, reducing activity of IgG autoantibodies against FcεRI and IgE, reducing activity of IgE autoantibodies against an antigen or autoantigen that has yet to be definitively identified, reducing the activity of intrinsically "abnormal" IgE, and decreasing in vitro coagulation abnormalities associated with disease activity...
November 15, 2016: Allergy
https://www.readbyqxmd.com/read/27852430/use-of-omalizumab-in-the-treatment-of-chronic-urticaria
#14
A S Cordeiro Moreira, M I Rosmaninho Lopes de Soares E Silva, M A Pereira Guilherme, J A da Silva Ferreira, J P Fonseca Moreira da Silva
BACKGROUND: Omalizumab is indicated to treat chronic spontaneous urticaria (CSU) refractory to antihistamines. We aim to describe the experience of our department in the treatment of CSU with omalizumab. MATERIALS AND METHODS: Retrospective review of the clinical records of patients. RESULTS: Six patients (5 females, median age 33 years) treated with omalizumab for a median of 17.5 months were evaluated. All patients had improvement of symptoms after the first dose...
November 2016: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27846634/positive-cd63-basophil-activation-tests-are-common-in-children-with-chronic-spontaneous-urticaria-and-linked-to-high-disease-activity
#15
Elena Netchiporouk, Linda Moreau, Elham Rahme, Marcus Maurer, Duncan Lejtenyi, Moshe Ben-Shoshan
BACKGROUND: The basophil activation test (BAT) using CD63 expression is a sensitive and specific tool for the diagnostic workup of autoimmune chronic spontaneous urticaria (CSU). The definition of a positive BAT is directly dependent on the reference range and the cutoff values established in control populations. As of now, the pediatric reference range and cutoff values of the CD63 BAT remain to be established. METHODS: In this study, we analyzed CD63 expression in 80 children (1-17 years old) without chronic urticaria (i...
November 16, 2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27803886/bepotastine-induced-urticaria-cross-reactive-with-other-antihistamines
#16
Ju Wan Kang, Jaechun Lee
Second-generation antihistamines are widely prescribed for the control of symptoms of allergic inflammation such as itchy hives, coryza, and itchy eyes. In rare circumstances, these drugs might provoke allergic inflammation. Hypersensitivity to bepotastine besilate, a second-generation antihistamine has never been reported. A 17-year-old schoolgirl, whose paroxysmal itchy hives had been controlled with bepotastine, experienced aggravation of the hives. An oral provocation test confirmed her hypersensitivity to bepotastine and cross-reactivity to levocetirizine...
October 2016: Asia Pacific Allergy
https://www.readbyqxmd.com/read/27803883/autologous-serum-and-plasma-skin-test-to-predict-2-year-outcome-in-chronic-spontaneous-urticaria
#17
Tadech Boonpiyathad, Atik Sangasapaviliya
BACKGROUND: Autologous serum skin test (ASST) and autologous plasma skin test (APST) are simple methods to diagnose autoimmune chronic urticaria. However, the association data of ASST or APST with disease severity and long-term outcome are still unclear. OBJECTIVE: The results of ASST and APST might be used to predict urticaria symptom severity and long-term outcomes among chronic spontaneous urticaria (CSU) patients. METHODS: We evaluated the prevalence of reactive ASST and APST in 128 CSU patients...
October 2016: Asia Pacific Allergy
https://www.readbyqxmd.com/read/27779432/an-open-label-prospective-clinical-study-to-assess-the-efficacy-of-increasing-levocetirizine-dose-up-to-four-times-in-chronic-spontaneous-urticaria-not-controlled-with-standard-dose
#18
Vinod Kumar Sharma, Vishal Gupta, Mona Pathak, M Ramam
OBJECTIVE: The EAACI/GA(2)LEN/EDF/WAO recommendation of increasing antihistamines' dose up-to 4-times in urticaria not adequately controlled with the standard dose is largely based on expert opinion. The objective of this study is to test the current urticaria guidelines of up-dosing antihistamines as second-line treatment. METHODS: This was an open-label study conducted prospectively on 113 patients with chronic spontaneous urticaria. All patients were treated with sequentially increasing doses of levocetrizine (5mg, 10mg, 15mg and 20mg/day) every week till the patients became completely asymptomatic or dose of 20mg/day reached...
October 25, 2016: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/27777182/autoimmune-chronic-spontaneous-urticaria-what-we-know-and-what-we-do-not-know
#19
Pavel Kolkhir, Martin K Church, Karsten Weller, Martin Metz, Oliver Schmetzer, Marcus Maurer
Chronic spontaneous urticaria (CSU) is a mast cell-driven skin disease characterized by the recurrence of transient wheals, angioedema, or both for more than 6 weeks. Autoimmunity is thought to be one of the most frequent causes of CSU. Type I and II autoimmunity (ie, IgE to autoallergens and IgG autoantibodies to IgE or its receptor, respectively) have been implicated in the etiology and pathogenesis of CSU. We analyzed the relevant literature and assessed the existing evidence in support of a role for type I and II autoimmunity in CSU with the help of Hill's criteria of causality...
October 21, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27763857/detection-of-low-molecular-weight-mast-cell-activating-factors-in-serum-from-patients-with-chronic-spontaneous-urticaria
#20
M Cugno, A Tedeschi, B Frossi, F Bossi, A V Marzano, R Asero
BACKGROUND AND OBJECTIVES: Functionally active autoantibodies to IgE and to the high-affinity IgE receptor (FcεRI) can be detected in serum in about 40% of patients with chronic spontaneous urticaria (CSU). Recent studies showed that serum from patients with CSU can induce activation of mast cells, irrespective of whether they carry high-affinity IgE receptors. To evaluate mast cell activation induced by factors in the serum of CSU patients with a molecular weight lower than that of autoantibodies...
2016: Journal of Investigational Allergology & Clinical Immunology
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