View clinical trials related to Asthma.
Filter by:The purpose of this study is to see if using a mobile phone application asthma action plan will help improve asthma management.
The purpose of the proposed study is to conduct a randomized controlled pilot trial of a school-based stress management and coping skills training program among a sample of economically disadvantaged urban 8- to 12-year-old school children with physician-confirmed asthma. The investigators aim (1) to establish feasibility of this approach by recruiting from different schools and (2) to learn whether individuals assigned to receive the intervention show improvements in psychological function, decreases in lung inflammation, and related improvements in asthma health when compared with disease severity-matched peers who receive education-only or standard care.
The investigators propose the development of a range of nasal spray challenge models to study the way the nose can respond to different types of nasal challenge that elicit different forms of inflammation. The investigators will carry out nasal challenge with bacterial and viral components and allergens. In this way the nasal upper respiratory tract mucosa is challenged with stimuli of the immune system, causing various types of inflammation. Samples will be taken by blotting the nostril surface and by scraping off tiny surface samples. The nose will be sprayed with a substance that is a single part of a bacteria or virus, or with an allergen. The material delivered by nasal spray is of high purity and is sterile, containing no live bacteria or viruses. The nasal spray substance contains molecular patterns that are recognised as foreign by the immune system, and at the right dose should stimulate the immune system, causing mild nasal inflammation. The study employs noninvasive methods of sampling using absorptive strips. These strips look and feel like tissue paper, and are applied to each nostril for a period of 1 min. A few pinhead-sized tissue samples are taken from inside the nose, using a small disposable sterile plastic probe that has a tiny scoop on its end. In the nasal lining fluid and tissue samples, measurement will taken of a range of molecules and cells that protect against infections and help the immune response. By spraying the nose with a challenge agent in this manner, the nasal immune response can be assessed, which can help us better understand how the human immune system cells and molecules respond to bacteria and viruses. In the future, this may allow the testing of new drugs and vaccines, by seeing if they decrease or stop the inflammation after the nasal challenge.
Background: Asthma morbidity is high in inner-city minority adults, despite the existence of efficacious therapy. Tailored, patient-centered interventions are needed to improve access to care and patient-provider communication. Access and communication increasingly rely on information technology (IT) as new incentives arise to use the Electronic Health Record (EHR). The EHR patient portal (PP) gives patients web-based communication with providers and practices. How the poor and those with limited educational opportunities can take advantage of these is unclear. In contrast, the investigators have found that home visits (HVs) by community health workers (CHWs) can improve access to care for children and promote caretaker-clinician communication. The investigators also found many inner-city adults have internet access and are willing to learn to use the PP. Objective: to examine the benefits for adults of using the PP with and without HVs by CHWs who will encourage/facilitate PP use, understand patients' social context, and enhance communication with the medical team. The investigator hypothesize all patients will benefit from PPs, and that the addition of HVs will be particularly helpful for those with low literacy or language barriers. Specific Aims test if the 1-year interventions result in 1) better within-group asthma outcomes, 2) better outcomes in one group over the other, 3) more communication (use of PP) and access (appointments made and kept) which mediate the interventions' effects on asthma outcomes, and 4) effect modification by literacy level, primary language, and convenience of internet access. Methods: In a randomized controlled trial, 301 adults, predominantly African American and Hispanic/Latino, with uncontrolled asthma recruited from low income urban neighborhoods will be assured internet access and taught to use the PP, with and without HVs from a CHW. CHWs will 1) train patients to competency in PP use, 2) enhance care coordination, 3) transmit a view of the complex social circumstances of patients' lives to providers, and 4) make up for differences in patients' health literacy skills. Patient Outcomes are asthma control, asthma-related quality of life, emergency department (ED) visits, and hospitalizations for asthma or any cause. Together asthma and other health conditions affect patients' ability to perform their daily tasks and care for their families. Potential benefits of the intervention are enhanced patient-clinician communication, access to care, improved health, and ability to use IT.
The primary objective of this study is to evaluate the pharmacokinetics (PK) and tolerability of tralokinumab when delivered subcutaneously at different flow rates to healthy volunteers.
Using an adult lung bench model of non invasive ventilation, the aim of the study is to compare an experimental system of breath-synchronized vibrating mesh nebulizer to a conventional vibrating mesh nebulizer during non invasive ventilation in terms of inhaled and lost doses.
The investigators' hypothesis is that dysregulation of autonomic function, as revealed during a simulated dive reflex, may result in an attenuation of the heart rate response to a greater degree in asthmatics who collapse during exacerbations of asthma than that seen in healthy individuals and in asthmatics without a history of syncope. The investigators will test this by assessing autonomic function through a dive reflex protocol.
The purpose of this trial is to confirm if benralizumab can reduce the use of maintenance OCS in systemic corticosteroid dependent patients with severe refractory asthma with elevated eosinophils.
Empirical data from physician observation indicates an increase in serum lactate in acute asthmatic patients being treated with inhaled albuterol therapy. It is not clear if this increased serum lactate is in response to a physiological response to the asthmatic process or from the albuterol treatment. This study is designed to determine if administration of inhaled albuterol increases serum lactate in healthy subjects.
Asthma and chronic obstructive pulmonary disease (COPD) are inflammatory airway diseases. Although the clinical features of asthma and COPD may be similar, the pathogenesis of these diseases differs in many aspects. The aim of this study is: - to evaluate airway inflammation in asthma and COPD, - to evaluate airway remodeling in asthma and COPD as compared to healthy subjects, - to assess the relationship between markers of airway inflammation and airway remodeling in asthma and COPD patients. Material and methods: - mild to moderate asthma patients diagnosed in accordance with Global Initiative for Asthma (GINA) guidelines, - mild to moderate COPD patients diagnosed in accordance with Global initiative for chronic Obstructive Lung Disease (GOLD) guidelines, - healthy subjects as controls. Airway inflammation is assessed in induced sputum (IS), exhaled breath condensate (EBC), bronchoalveolar lavage fluid (BALF) and specimens from endobronchial forceps biopsy. Airway wall thickness is evaluated in high resolution computed tomography (HRCT), endobronchial ultrasound (EBUS) and basement membrane thickness (BMT) in biopsy specimens. We plan to compare airway inflammation and features of airway remodeling in asthma and COPD patients.