Journal of Investigational Allergology & Clinical Immunology

Tear dysfunction syndrome, also known as dry eye disease (DED), is a multifactorial disease of the ocular surface characterized by the loss of tear film homeostasis. DED shows a significant clinical overlap with ocular allergy (OA), which alters tear film homeostasis, thus predisposing the patient to DED. Both conditions constitute the most common ocular surface disorders and have a potentially severe impact on patients' quality of life. Clinical practice guidelines recommend topical therapies as first-line treatment for OA...

Ocular allergy covers a series of immune-allergic inflammatory diseases of the ocular surface, with different degrees of involvement and severity. These pathologies are caused by a variety of IgE- and non-IgE-mediated immune mechanisms and may involve all parts of the external eye, including the conjunctiva, cornea, eyelids, tear film, and commensal flora. The most frequent is allergic conjunctivitis, a condition with different clinical forms that are classified according to the degree of involvement and the presence or absence of proliferative changes in the palpebral conjunctiva, associated atopic dermatitis, and mechanical stimuli by foreign bodies, including contact lenses...

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BACKGROUND AND OBJECTIVE: The safety profile of venom immunotherapy (VIT) is a relevant issue and considerable differences in safety and efficacy of VIT have been reported. The primary aim of this study was to evaluate the safety of ACE inhibitors and beta-blockers during VIT, which has already been published. For a second analysis, data concerning premedication and venom preparations in relation to systemic adverse events (AE) during the up-dosing phase and the first year of the maintenance phase were evaluated as well as the outcome of field stings and sting challenges...

BACKGROUND AND OBJECTIVE: The usefulness of the mast cell activation test (MAT) in diagnosing patients with uninterpretable basophil activation test (BAT) caused by nonresponding basophils has not yet been addressed. It should be further evaluated if the results of MAT are associated with the severity of the allergic reaction. METHODS: We recruited 39 Hymenoptera venom allergic (HVA) patients, 22 non-sensitized controls, and 37 BAT nonresponding HVA patients. Specific IgE levels for honey bee venom (HBV), yellow jacket venom (YJV) and total IgEs were quantified using the Immulite system...

BACKGROUND AND OBJECTIVE: Diagnosis of egg allergy through basophil activation testing (BAT) has been mainly performed with an egg white extract or individual egg allergens rather than clinically more representative whole-egg extracts. Impact of heating on whole-egg extract allergenicity remains unassessed.Validating BAT with gradually less heated whole-egg extracts in egg allergy diagnosis and as tolerance marker. METHODS: CD63-based BAT was performed with five progressively less heated extracts from cake, hard-boiled egg, omelet, soft-boiled, and raw egg in 10 egg allergic (EA), 10 complete egg tolerant (ET) and 12 non-egg-sensitized non-allergic (NEA) children...

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BACKGROUND AND OBJECTIVE: Patients sensitized to lipid transfer protein (LTP) present a wide clinical variability. The lack of practical diagnostic and therapeutic guidelines complicate their management. The aim of the study was to describe the clinical approach of Spanish allergists to this pathology using a survey designed by PICO method and subsequent Delphi approach validation. METHODS: Designed survey was answered by 224 allergists (75% women; 57.1% with >20 years of professional experience)...

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Asthma is one of the most common chronic diseases, and the estimated prevalence of severe asthma is 3-10% of the total asthmatic population. There is a need for additional biologic treatments that have high efficacy across the spectrum of severe uncontrolled asthma. Currently available drugs inhibit one or two specific cytokines or IgE antibodies and thus only partially suppress the complex type 2 inflammation cascade. Biologics targeting more upstream molecules in the pathophysiological pathway of asthma could treat asthma more effectively...

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