View clinical trials related to Allergic Rhinitis.
Filter by:To expand knowledge on the application and tolerability of immunotherapy with LAIS® 2-tree allergoid tablets as well as knowledge on the alleviation of symptoms during sublingual therapy in special consideration of the chosen titration schedule in everyday practice.
Objectives: Allergic Rhinitis (AR) is a global health problem. 10-25% of population worldwide is affected by AR. Oral/intranasal H1-antihistamine, decongestants, leukotriene receptor antagonists, intranasal corticosteroids are the pillars in the management of AR.Materials and methods: Seventy patients with allergic rhinitis participated in a prospective, randomized, double-blind, parallel, active controlled, comparative 4 week trial. The patients between age group of 18-65 years of either gender having moderate-severe intermittent or mild persistent allergic rhinitis were included. The study inclusion criteria required the subjects with Total Nasal Symptom Score (TNSS) of 5 or higher. The patients were randomly divided into two treatment groups with montelukast-levocetrizine (10 mg and 5 mg) in one group and montelukast-fexofenadine (10 mg and 120 mg) in another group. TNSS parameter was the main effectiveness parameter.
Allergen challenge facilities have been utilized for many years in clinical drug trials studying onset of action, proof of concept, duration of action, and efficacy. Each facility has somewhat different design characteristics and pollen dispersal technologies. Facilities are located in disparate geographic areas and have populations of participants who are sensitized to allergens unique to that area. Therefore, facilities have operated as single sites with little effort to evaluate facility comparability or to attempt standardization across facilities. The purpose of this study is to compare the two sites and assess whether the sites are able to achieve similar symptom scores.
The purpose of this study was to verify whether there were differences in health-related quality of life of patients with allergic rhinitis treated with bilastine 20 mg compared to those treated with loratadine 10 mg.
The main purpose of the treatment of persistent allergic rhinitis is to improve symptoms and patients' quality of life and prevent the development of asthma. Therapeutic strategies also target a reduction of pro-inflammatory mediators released from activated cells, including mast cells and epithelial cells. The presence of allergic inflammation in nasal mucosa may increase the risk of asthma occurrence, especially in patients with persistent allergic rhinitis. H1 antihistamines are widely recommended in all types of allergic rhinitis, regardless of symptom severity or persistence. They control all of the symptoms, but to a lesser extent nasal congestion. New generation agents, such as levocetirizine and desloratadine, possess anti-inflammatory properties, reducing allergic inflammation.
Introduction: Rhinitis, sinonasal polyposis (SP) and asthma are diseases whose pathogenesis is based on inflammation. This will determine the presence of disease, its evolution and its treatment. It is therefore very important to develop and validate methodologies that allow us to noninvasively detect inflammation of the airways. Thus, just as exhaled nitric oxide (FeNO) has been studied as an important non-invasive marker of inflammation of the lower airways, nasal nitric oxide (nNO) may be a good marker of nasal inflammation. Furthermore, the electronic nose is an electronic nanosensor device capable of detecting specific volatile organic compounds (VOCs) that can be used as a non-invasive biomarker of biochemical processes in different diseases whose pathophysiology is also based on inflammation. Objective: To determine reference values of nNO and different patterns of VOCs in healthy individuals, individuals with allergic rhinitis (AR) and non-allergic rhinitis and individuals with SP and asthma. Methodology: Prospective, controlled study. Four groups will be included: Healthy subjects, patients with AR, non-allergic rhinitis and patients with SP and asthma (n=252). Prick-test to pneumoallergens will be performed. Determination of FeNO, nNO, lung function tests, measurement of VOCs by the electronic nose and blood samples will be taken. Bilateral nasal endoscopy and sample collection using the technique of brushing of mucosa and the placement of filter papers, for the study of nasal cytology and mediators of inflammation.
Recently, a critical role in the development of allergic rhinitis (AR) has been attributed to the nasal epithelium. The airway epithelium forms a physical barrier, protecting the nasal mucosa and underlying organs from damage from contact with exogenous particles. The nasal epithelial barrier is primarily determined by the integrity of the airway epithelium, in which epithelial cells are connected to each other by complex network structures like tight junctions (TJs), ultimately sealing off the paracellular space. TJs consist of different transmembrane proteins including occludin, tricellulin, the claudin family, and junctional adhesion molecules. TJ form intercellular homodimers/heterodimers between neighboring cells. Scaffold adaptor proteins like cingulin and the zonula occludens family connect the transmembrane proteins to the actin cytoskeleton. Disturbed TJ function can facilitate the entrance of foreign pathogens and antigens into the submucosal layer, giving raise to allergic sensitization via increased access of allergens to the dendritic cells and/or inducing persistent inflammation via activation of mast cells and other inflammatory cells residing in the upper airways. Chronic disorders like allergic asthma, inflammatory bowel disease and atopic dermatitis have been linked to defective or altered TJ function. Recently, an impaired epithelial barrier function was found in patients with chronic rhinosinusitis with nasal polyps (CRSwNP), suggesting changes in TJ arrangement in the nasal cavity. CRSwNP presents a similar inflammation of the sinonasal cavities as found in AR patients, i.e. a Th2 cytokine driven inflammation with tissue eosinophilia. Nevertheless, the role of TJs and its regulation has not been investigated in AR.
Allergen-specific immunotherapy (ASIT) is commonly used to treat patients with allergic rhino-conjunctivitis and asthma, and it is the only proven treatment that affects the long-term development of allergic rhinitis and asthma. The current treatment regime of ASIT requires numerous subcutaneous allergen injections and takes several years to complete. Hence, there is a need to develop more convenient protocols for induction of allergen tolerance. Emerging evidence suggest that by targeting of antigen presenting cells within the lymph nodes the immunogenicity of the allergen can be enhanced and the number of injections can be reduced. The purpose of this study is to evaluate whether intralymphatic administration of ASIT is a safe and effective treatment for patients with pollen-induced allergic rhinitis. The long term goal is to provide a base for a more efficient administration of ASIT, which will reduce both the dose necessary and the number of clinic visits associated with the conventional subcutaneous ASIT. The investigators will make an attempt to reproduce the results of a recent human study of intralymphatic ASIT (clinicaltrials.gov; NCT00470457) in a Swedish clinical setting. The first part of the study is completed and published (PMID: 23374268)
In clinical trials for treatment of allergic rhinitis a significant reduction of the total symptom score compared to baseline has been demonstrated by using nasal budesonide.Previous results in adults show that the assessment and monitoring del nasal fractional exhaled nitric oxide (nFeNO) is useful in controlling inflammation of nasal allergic rhinitis. Primary objective of this study is to evaluate efficacy of nasal budesonide (aqueous solution) on the nasal inflammation marker (nFeNO). Secondary outcomes are the evaluation of: changes in total nasal symptom score (Total Symptom Score, T5SS), changes in cell counts in nasal lavage (LN) and the changes reported sleep quality (Pittsburgh Sleep Quality Index, PSQI).
This project is an observational study for the Italian language validation of the CARATKids questionnaire investigating the asthma and coexisting allergic rhinitis control in children. 113 patients with concomitant asthma and allergic rhinitis followed up from at least 3 months will be enrolled for the validation process at outpatient clinic of Pediatric Allergology & Pulmonology (PAP) of Respiratory Disease Research Center (RDRC) within the Institute of Biomedicine and Molecular Immunology (IBIM) of the National Research Council (CNR) of Palermo (RDRC-IBIM CNR), Italy. The study will be completed in two medical examination, within 3-6 weeks of each other. CARATKids questionnaire, VAS (Visual Analogic Scale) and C-ACT (Children Asthma Control Test) will be filled by each patient. The main outcome is the Italian language validation of the CARATKids questionnaire investigating the coexisting asthma and allergic rhinitis control in children.