A blog that publishes updates and open access scientific papers about allergy, asthma and immunology. Editor: Juan Carlos Ivancevich, MD. Specialist in Allergy & Immunology
May 7, 2015
May 5, 2015
The value of pre- and co-seasonal sublingual immunotherapy in pollen-induced allergic rhinoconjunctivitis
Abstract
Allergen immunotherapy (AIT) is a guidelines-approved, disease-modifying treatment option for respiratory allergies, including allergic rhinitis (AR) induced by pollen. The various AIT regimens employed to date in pollen-induced AR can be classified as continuous (i.e. year-round) or discontinuous (i.e. pre-seasonal alone, co-seasonal alone or pre- and co-seasonal). Pre-and co-seasonal regimens are typically used for sublingual allergen immunotherapy (SLIT) and have economic and compliance advantages over perennial (year-round) regimens. However, these advantages must not come at the expensive of poor efficacy or safety.
Are allergic multimorbidities and IgE polysensitization associated with the persistence or re-occurrence of foetal Type 2 signalling? The MeDALL hypothesis
Allergy (Open access)
Abstract
Allergic diseases (asthma, rhinitis and atopic dermatitis) are complex. They are associated with allergen-specific IgE and non-allergic mechanisms that may coexist in the same patient. In addition, these diseases tend to cluster and patients present concomitant or consecutive diseases (multimorbidity). IgE sensitization should be considered as a quantitative trait. Important clinical and immunological differences exist between mono or polysensitized subjects.
May 3, 2015
Prospective adherence to specific immunotherapy in Europe (PASTE) survey protocol
Study protocol
Melina Makatsori12*, Gianenrico Senna3, Constantinos Pitsios4, Ramon Lleonart5, Ludger Klimek6, Carlos Nunes7,Maia Rukhadze8, Barbara Rogala9, Radoslaw Gawlik9, Petr Panzner10, Oliver Pfaar116 and Moises Calderon12
Abstract
Background
Adherence to allergen immunotherapy is important for its effectiveness. There is currently limited data available on allergen immunotherapy adherence outside of clinical trials i.e. in real-life clinical practice. As part of a European Academy of Allergy and Clinical Immunology Immunotherapy Interest group initiative, we endeavoured to design a survey in order to prospectively evaluate adherence to subcutaneous and sublingual immunotherapy across different European countries.
Chronic vulvovaginal Candida hypersensitivity: An underrecognized and undertreated disorder by allergists
Bernstein, Jonathan A.; Seidu, Luqman
Abstract:
Vulvovaginal candidiasis infections are estimated to occur at least once during the lifetime of 75% of the female population. It has been proposed that some women with recurrent vulvovaginal candidiasis (RVVC) develop sensitization to Candida albicans and clinically improve in response to Candida immunotherapy.
Patients’ perspective of barriers and facilitators to taking long-term controller medication for asthma: a novel taxonomy
Research article
Sandra Peláez1, Alexandrine J Lamontagne1, Johanne Collin2, Annie Gauthier1, Roland M Grad3, Lucie Blais2, Kim L Lavoie4, Simon L Bacon5, Pierre Ernst67, Hélène Guay8, Martha L McKinney9 and Francine M Ducharme1101179*
Abstract (provisional)
Background Although asthma morbidity can be prevented through long-term controller medication, most patients with persistent asthma do not take their daily inhaled corticosteroid. The objective of this study was to gather patients’ insights into barriers and facilitators to taking long-term daily inhaled corticosteroids as basis for future knowledge translation interventions.
Effectiveness of Montelukast on asthma control in infants: methodology of a French claims data study
Background This pilot study, conducted on a 1/97th representative sample of French claims data, prepared a project to assess the effectiveness of Montelukast (MTL-4) as add-on therapy for asthma in infants (6–24 months) compared to inhaled corticosteroids (ICS), based on real-world data. Due to the very recent opening of French claims data for effectiveness research, and the complex structure of this data source, we first tested the feasibility of identifying infants with asthma and outcome criteria, and the ability to perform relevant comparisons.
Practical recommendations for mixing allergy immunotherapy extracts
Daigle, Barbara J.; Rekkerth, Donna J.
Abstract:
Critical aspects of formulating allergy immunotherapy vaccines include the selection, total number, and proportions of each allergen component in therapeutic mixtures. The immunotherapy prescription, determined by a medical provider, details the dosing and schedule for treatment as well as the specific composition of the treatment vials.
May 2, 2015
Human platelets and their capacity of binding viruses: meaning and challenges?
Abstract
Blood platelets are first aimed at ensuring primary hemostasis. Beyond this role, they have been acknowledged as having functions in the maintenance of the vascular arborescence and, more recently, as being also innate immune cells, devoted notably to the detection of danger signals, of which infectious ones. Platelets express pathogen recognition receptors that can sense bacterial and viral moieties.
The Allergic Rhinitis – Clinical Investigator Collaborative (AR-CIC): nasal allergen challenge protocol optimization for studying AR pathophysiology and evaluating novel therapies
Research
Anne K Ellis12*, Mena Soliman1, Lisa Steacy2, Marie-Ève Boulay3, Louis-Philippe Boulet3, Paul K Keith4, Harissios Vliagoftis5, Susan Waserman4 and Helen Neighbour6
Abstract (provisional)
Background The Nasal Allergen Challenge (NAC) model allows the study of Allergic Rhinitis (AR) pathophysiology and the proof of concept of novel therapies. The Allergic Rhinitis – Clinical Investigator Collaborative (AR-CIC) aims to optimize the protocol, ensuring reliability and repeatability of symptoms to better evaluate the therapies under investigation.
May 1, 2015
Histamine H1 antagonist levocetirizine as a potential cause of lung injury
Satoshi Endo, Yasushi Yamamoto, Yoshinori Minami, Shunsuke Okumura, Takaaki Sasaki and Yoshinobu Ohsak
Abstract
Histamine H1 antagonists rarely cause drug-induced lung injury (DLI). A woman in her 60s, who had been taking antihistaminic levocetirizine for 2 months, presented with progressive cough and shortness of breath. A chest radiograph showed patchy infiltrations on both lower lung fields.
Dietary cholesterol directly induces acute inflammasome-dependent intestinal inflammation
- Fränze Progatzky,
- Navjyot J. Sangha,
- Nagisa Yoshida,
- Marie McBrien,
- Jackie Cheung,
- Alice Shia,
- James Scott,
- Julian R. Marchesi,
- Jonathan R. Lamb,
- Laurence Bugeon
- & Margaret J. Dallman
Abstract
Prolonged ingestion of a cholesterol- or saturated fatty acid-enriched diet induces chronic, often systemic, auto-inflammatory responses resulting in significant health problems worldwide. In vivo information regarding the local and direct inflammatory effect of these dietary components in the intestine and, in particular, on the intestinal epithelium is lacking.
April 29, 2015
Analysis of various risk factors predisposing subjects to allergic rhinitis
Soo-Youn An, Hyo Geun Choi, Si Whan Kim, Bumjung Park, Joong Seob Lee, Jeong Hun Jang, Myung-Whun Sung
Abstract
Background: In Korea, the prevalence of allergic rhinitis (AR) is increasing, as in other industrialized countries. However, no large population-based study defining risk factors for AR has yet been conducted.
Objective: The purpose of this study was to evaluate the prevalence and risk factors of AR in large population-based study.
Methods: A cross-sectional study was performed using data from the Korea National Health and Nutrition Examination Survey. We evaluated data from 31,217 subjects who were interviewed between 2008 and 2011.
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