View clinical trials related to Asthma, Allergic.
Filter by:Participants with mild asthma who are sensitized to either house dust mite or cat hair allergen will undergo nasal instillation of the allergen to elicit nasal allergy symptoms. The participants will be treated in a cross-over fashion with either placebo (saline) or anakinra to determine if anakinra will reduce nasal airway eosinophil recruitment, eosinophil activation, release of inflammatory mediators, mucins, and gene expression changes in epithelial cells.
Plant stanols are known to lower low-density lipoprotein cholesterol. However, studies have suggested that these compounds also influence the immune system. Asthmatic responses are predominantly T helper (Th)2 cell dependent, while plant stanols were previously found to activate Th1 cells and shift the immune response away from the Th2 cell dominant asthmatic response. The question now is whether this also translates into a reduction of clinical symptoms in asthma patients.The primary objective of this study is to demonstrate clinical benefits of prolonged consumption of plant stanols (delivered via plant stanol esters) in asthma patients. The secondary objectives are to evaluate the mechanisms via which plant stanols modulate the immune system and to evaluate the effects of plant stanol ester consumption on cardiovascular (CVD) risk parameters.
The investigators will study the use of a home-based spirometer (Spirobank Smart spirometer) that connects to a smartphone app (VitalFlo) in teenagers with persistent asthma to determine if clinically significant changes in lung function detected by the spirometer are associated with patient-reported asthma symptoms.
The aim of this study is to determine and compare serum cytokine levels of six different severe asthma inflammatory phenotypes differentiated by their atopy, peripheral eosinophilia and/or chronic rhinosinusitis and/or nasal polyposis status.
This is a multi-centre, randomized, double-blind，placebo parallel-controlled phase III study to evaluate the efficacy and safety of CMAB007 (recombinant humanized anti-immunoglobulin E(IgE) monoclonal antibody for injection) to treat asthma patients who remain not adequately controlled despite Med/high ICS plus LABA in China. Following a screening period of up to 2 weeks and run-in period of 4 weeks, randomized patients will enter a 24-week treatment period with CMAB007 or placebo. Efficacy and safety will be assessed at 4-week intervals during the treatment period.
Determining how memory T helper type 2 (Th2) initiate recall responses to aeroallergens has the potential to change the therapeutic approach to allergic asthma, the most common asthma subtype. ~5-10% of effector Th2 cells recruited into the lung give rise to long-lived tissue resident memory cells that are poised to respond upon allergen re-exposure.Consequently, targeting memory Th2 cell activation is an attractive therapeutic strategy. However, it is not well understood how allergen inhalation initiates a memory Th2 cell response in the lung. The focus of this new study on the role of lung-resident memory Th2 cells in orchestrating the recall response to allergen in the lung, including the recruitment and activation of circulating Th2 cells, is a natural, timely and exciting extension of the investigators' ongoing Allergen Challenge Protocol.
To assess the effects of REGN3500, dupilumab, and REGN3500 plus dupilumab, compared with placebo, on changes in inflammatory gene expression signatures in sputum induced after a bronchial allergen challenge (BAC) in adults with mild allergic asthma, at week 4 after treatment initiation compared with those at screening.
The introduction of inhaled medication as the primary treatment for asthma has led to substantial improvements in asthma control [1, 2]. However, uncontrolled asthma is still common and represents a considerable burden to patients and society [3, 4]. An important reason for poor asthma control and consequently, increased healthcare expenditure is suboptimal adherence to the prescribed regimen [5-7]. Real-world market research study in hospitals across China reported that physicians perceived that only 23% of patients were fully compliant with their medication regime (77% non-adherent), compared to 55% in the European Union and 63% in the US [AZ internal document]. The physician reported rate of full adherence was lower than the patient-reported rate (38%). Poor patient adherence was the challenge most frequently mentioned (by 41% of physicians) when treating an asthma.[8] However There is some evidence on the drivers of patient behaviour around low adherence but more depth research is needed There is little evidence on variation of determinants of asthma inhaled treatment across different age of group Our research aims to address above data gap Mean while this research can guide the development of new module on Red Scarf patient education program.
Single centre, double-blind, placebo controlled, adaptive design, cross-over trial. The primary objective is to assess the additive effects of using combined intranasal fluticasone propionate plus azelastine nasal spray on airway hyperresponsiveness. This is in patients with persistent asthma and allergic rhinitis, receiving inhaled steroid.
The purpose of this study is to verify and validate the intrinsic diagnostic value in terms of sensitivity and specificity of proteomic profiles determined during a pre-study for discriminating between allergy related asthma and allergy related rhinitis.