View clinical trials related to Asthma.
Filter by:The primary objective will be to compare the Eurofarma and Alenia formulations regarding their impact on the pulmonary function of mild to moderate persistent asthma patients and the secondary objective will be to compare the three study formulations regarding the clinical control of the symptoms and the patients' compliance to the treatment.
The purpose of the study is to compare the efficacy and safety of fluticasone furoate/vilanterol (GW642444) inhalation powder and fluticasone furoate inhalation powder both administered once daily in adolescent and adult subjects 12 years of age and older with persistent bronchial asthma over a 12 week treatment period.
A randomized two-way crossover study to determine whether concomitant administration of CYP P450 3A4 inhibitor ketoconazole and fluticasone furoate/GW642444M combination significantly increases the systemic effects and exposure to repeat dose fluticasone furoate and/or GW642444 in healthy subjects. Key assessments will include blood potassium, heart rate, blood pressure, QTc, serum cortisol and pharmacokinetic parameters, and safety including vital signs, ECGs, adverse event monitoring and laboratory safety tests, including blood glucose.
Spirometry is a recommended component of asthma diagnosis and treatment in the primary care setting, however, few primary care providers report routine use of spirometry in the provision of care for their asthma patients. Even when spirometry is used to aid in asthma severity classification, primary care providers have a high rate of failing to meet the quality goals for testing established by the American Thoracic Society. The goal of this study is to evaluate the effectiveness of a virtually delivered quality improvement (QI) program. The program is designed to train primary care providers and their medical staff in the use of spirometry to improve pediatric primary care management for children with asthma.
We have developed in vitro systems including primary epithelial cell cultures and explant cultures of bronchial tissues to study the interaction between the bronchial mucosa and allergens. This approach involves culturing bronchial biopsies under optimal conditions and stimulate them with allergens thus enabling us to perform a dynamic study without the need of performing several bronchoscopies and will allow the testing of unapproved substances, which could, otherwise, not be delivered, in vivo. We wish to apply these ex vivo bronchial culture systems to assess cytokine release in moderately severe asthmatics and evaluate the effects of blocking TNF-alpha signalling using anti TNF-alpha monoclonal antibodies.
Aims of this study are: 1. To determine the feasibility of implementing the intervention using a peer-assisted asthma day camp for adolescents with asthma. 2. To determine patterns of change in knowledge, attitudes toward asthma, self-efficacy, perception of barriers, and self-management behaviors, asthma control and quality of life over time among peer leaders. 3. To test the following hypothesis: - Adolescents participating in a peer-assisted asthma camp program will report improved knowledge, attitudes toward asthma, self-efficacy, and self-management behaviors, decreased perception of barriers, and increased asthma control and quality of life at 3-, 6- and 9-months post-intervention compared with the adult-led camp group. 4. To examine the moderating effect of personal factors (e.g., age, sex, socioeconomic status, race, illness status, family support) on intervention outcomes such as self-management behaviors, asthma control and quality of life in adolescents with asthma. 5. To examine the effect of the peer-assisted camp program on self-reported health care utilization including emergency department visits, days of hospitalization, outpatient visits by comparing between baseline and 9-months post-camp data and between the peer-led camp and the adult-camp programs.
GW766994 is a selective, competitive antagonist of the human CC chemokine receptor-3 (CCR3). It is proposed that the inhibition of the CCR3 receptor may provide a treatment for airway inflammation such as in asthma. This will be a double-blind, placebo controlled, parallel group study being conducted to evaluate the effects of GW766994 in subjects with mild-moderate asthma who have high sputum eosinophilia. The primary objective is to compare the effects of GW766994 to placebo on sputum eosinophils.
This study is a randomised, double-blind, placebo-controlled, dose ascending, 3-way crossover study in healthy adult male volunteers. The primary objective of the study is to assess the pharmacokinetics of 14 days dosing of GW870086X administered via nebules formulation. The secondary objective is to assess the safety and tolerability of repeat doses of nebulised GW870086X.
A randomised, double-blind, double-dummy, placebo controlled (with rescue medication), multicenter study to evaluate the efficacy and safety of Fluticasone Furoate inhalation powder in the treatment of persistent asthma in adults and adolescents.
We, the investigators, hypothesise that there are distinct gene profiles in rhinovirus-induced acute exacerbations of asthma. We further hypothesise that these changes in gene expression involve both known mediators of the asthma phenotype as well as other molecules not previously associated with asthma. The primary objective of this study is to use gene array analysis to determine differentially expressed genes in bronchial epithelial cells and alveolar macrophages from normal and asthmatic subjects before and during rhinovirus infection in vivo. A secondary objective is to determine whether any altered expressions are related to symptom severity, virus load, lung function or airway inflammation in vivo. We plan to recruit 45 subjects: 15 healthy volunteers, 15 asthmatics naïve to inhaled corticosteroid therapy, and 15 asthmatics on inhaled corticosteroids who will undergo two bronchoscopies, one prior to infection with rhinovirus and the second 4 days post inoculation. Bronchial brushings, biopsies and bronchoalveolar lavage (BAL) will be performed. RNA will be extracted with TRIzol reagent (Invitrogen, Carlsbad, CA) and purified by passage through RNeasy columns (Qiagen, Valencia, CA). Exon 1.0ST array chips (Affymetrix, Santa Clara, CA) will be used to analyse changes in gene expression. These are the most powerful genome expression tools available with 1.4 million probe sets and over 5.5 million features per array. Genes found to be significantly upregulated will be confirmed by quantitative RT-PCR. Using a novel method of collecting undiluted bronchial epithelial lining fluid (bronchosorption) large numbers of proteins will be measured with a MesoScale Discovery multiplexed array system (MesoScale Discovery, Gaithersburg, Md) allowing further confirmation of the gene array results as well as providing in vivo evidence of dysregulated protein production in asthmatics. Gene expression and protein levels will be correlated with viral load, symptom scores, lung function and airway inflammation in vivo. This study represents the first comprehensive evaluation of changes in bronchial epithelial gene expression during rhinovirus infection in vivo and therefore has the potential to provide significant insights into the host response in asthma and identify potential novel targets for further evaluation.