Active clinical trials for "Asthma"

The purpose of this study is to evaluate the superiority of the glycopyrrolate bromide (CHF 5259 pMDI) versus placebo on top of QVAR® pMDI, in terms of lung functions parameters, as well as to assess its safety.

Asthma is characterized by changes in eicosanoids metabolism, especially high production of bronchoconstrictive cysteinyl leukotrienes (CystLTBs) and leukotriene B4 (LTB4). Recent studies have also demonstrated a relative low production of lipoxin A4, an endogenous lipid mediator resulting from lipo-oxygenase action, distinct from CystLTBs, with anti-inflammatory properties, in bronchial epithelial cells and lung macrophages of severe asthma patients, leading to imbalance between pro-resolving and pro-inflammatory eicosanoids production in airways. Such data suggest that aspirin, that induces lipoxins production, could restore lipoxins deficit in severe asthma. Interest for aspirin is also supported by data obtained in asthma patients with aspirin intolerance (Aspirin induced asthma, AIA) : in this particular group of patients, aspirin treatment significantly improves nasal symptoms, quality of life, asthma and rhinitis scores, and reduces need for hospitalizations, nasal surgery and oral steroids use. Potential effect of aspirin in patients with uncontrolled asthma without aspirin intolerance, who presented changes in arachidonic acid pathway close to those observed in AIA, is not established. The aim of the study is to assess whether long term aspirin treatment could improve asthma control, compared to placebo, in patients with uncontrolled disease and nasal polyposis, whatever their aspirin tolerance level.

The health benefits of physical activity (PA) are well documented and include improving in cardiovascular, obesity, mental health and all-cause mortality. Although higher levels of activity in patients with asthma are also associated with better outcomes, patients still avoid physical activity due to concern about exacerbating their asthma symptoms by the exercise induced bronchoconstriction (EIB), sustaining a vicious cycle of inactivity and worse asthma control. Many studies have reported the benefits of supervised exercise training on several asthma outcomes, such as exacerbations, asthma control, cardiopulmonary fitness, airway inflammation and psychosocial symptoms; however, the translation of the improvements in the exercise capacity into increments in PA levels is less evident and still controversial. Therefore, the hypothesis of this study is that behavioural interventions using strategies based on well-established psychosocial models are effective in increasing physical activity levels and decrease sedentary behaviour in adults with asthma, which will be associated with improvements in the asthma control.

Mepolizumab, a humanized monoclonal antibody, has been developed as an add-on treatment for subjects with severe asthma with eosinophilic inflammation. Current asthma treatment guidelines offer minimal options for the severe asthmatic subjects on intensive therapy with frequent exacerbations. There is a significant unmet medical need to provide better treatment options for this segment of the asthma population. Thus, this study is designed to evaluate the efficacy and safety of mepolizumab in Chinese severe asthmatic subjects with eosinophilic inflammation. A total number of 300 subjects will be randomized in 1:1 ratio to receive either mepolizumab or placebo along with existing standard of care therapy. The maximum study duration will be 56 weeks.

This study will assess the efficacy and safety of multiple dose levels of AZD7594 administered once daily (QD) by inhalation in a 12-week treatment period on asthma subjects. The activity will be assessed by comparing AZD7594 to placebo. The comparison between active comparator (FF) and placebo will be used for bench marking. The efficacy is assessed by the evaluation of change in trough forced expiratory volume in 1 second (FEV1). The aim is to develop AZD7594 as a once daily inhaled non-steroidal selective GR modulator (SGRM), which may ultimately lead to better disease control of both chronic obstructive pulmonary disease (COPD) and asthma through improved efficacy and compliance. The overall rationale for developing a once daily AZD7594 in a dry powder inhaler (DPI) is to provide a safe and effective future treatment option for both asthma and COPD subjects.

Primary Objective: To describe the long-term safety of dupilumab in treatment of participants with moderate to severe asthma who completed the previous asthma clinical trial (TRAVERSE-LTS12551).

Obesity is recognized as a pro-inflammatory condition associated with multiple chronic diseases, including asthma. The specific mechanisms linking asthma and obesity remain hypothetical. Our primary hypothesis is that inflammatory SNPs may regulate the degree of the inflammatory response, with obesity modifying the severity of the disease. In this instance, asthma that develops in the context of obesity demonstrates the potential deleterious relationship between a specific proinflammatory state (obesity) and the genetic regulators of inflammation (SNPs). Our secondary hypothesis proposes that short-term (12-weeks) weight loss by diet alone, but not exercise alone, will reduce lung specific inflammation and diminish the pro-inflammatory responses in female African American obese adolescents with asthma compared to a waiting list control group who after their initial 12 weeks then receive a combined 12-week diet plus exercise program (waiting list control/combined). A third exploratory hypothesis proposes that the frequency of identified SNPs will be significantly related to the amount of fat loss through diet, exercise or combined program and will further be mediated by specific airway and, pro-and-anti-inflammatory markers.These hypotheses will be tested using the following Specific Aims: To determine the frequency of single nucleotide polymorphisms and SNP haplotypes in pro- and anti-inflammatory genes in female African American obese and non-obese asthmatic and non-asthmatic adolescents, 13-19 years or age. To examine the effects of diet or exercise on lung specific inflammation (exhaled nitric oxide, [eNO]) and pro-and-anti-inflammatory responses in female African-American obese asthmatic and non-asthmatic adolescents compared to a waiting list control/ combined group. In addition we will examine the following Exploratory Aim: To determine the effects of the inflammatory SNPs in the modulation of several inflammatory markers and lung specific inflammation (eNO) in female African-American obese asthmatic and non-asthmatic adolescents before and after weight loss through diet, exercise or both.

A Multicentre, Randomized, Double-Blind, Placebo Controlled, Parallel Group, Phase 3 Study to Evaluate the Efficacy and Safety of Tezepelumab in Adults and Adolescents with Severe Uncontrolled Asthma

Asthma is a chronic inflammatory disease characterized by recurrent and reversible episodes of airway obstruction. Drug treatment usually includes inhaled corticosteroids and bronchial dilators, which often do not have adequate adherence. These acute episodes of bronchoconstriction can most often occur with hyperinflation and for decades the mechanisms that lead to hyperinflation have been studied, as well as increasingly modern ways of evaluating and treating these mechanisms. Noninvasive ventilation is increasingly occupying its space as a non-pharmacological resource in the treatment of asthma, initially as an adjunct in an attempt to help medication have its effect reached in the crisis, but this feature has been showing signs of having an even greater action which can even collaborate in reversing the crisis by not only giving time for pharmacological action. Recognizing these potential effects of this widely used resource and understanding its action on lung function and the reversal of exacerbation is part of this scientific process.

Study Comparing the Efficacy and Safety of PT001 to Placebo and Open-label Spiriva® Respimat® in Subjects With Persistent Asthma