View clinical trials related to Asthma.
Filter by:The aim of this study is to investigate the immunomodulatory potential of Isolated Plasmacytoide Dendritic Cells (pDCs) and Regulatory T-cells (TREGs) isolated with clinical grade magnetic bead isolations techniques (MACS®) on the antigen presenting cell-induced proliferation of lymphocytes after allergen uptake in an in vitro cell culture system.
Leukotriene receptor antagonists (LTRAs) are frequently prescribed to reduce the symptoms associated with asthma. Singulair (montelukast), manufactured by Merck, is a popular LTRA, however its effectiveness varies greatly between individuals. We are interested in understanding why the effectiveness of Singulair varies so greatly. For an oral drug such as Singulair to be effective, the body must efficiently absorb it. We have found that blood levels of Singulair vary greatly between individuals, and we think that this variability is responsible for variability in response. Drug absorption occurs primarily in the intestine. Due to differences in the chemical properties of drugs, some drugs can be absorbed easily while other drugs require help from special proteins produced by the cells that line the intestine. These proteins, or transporters act like revolving doors to allow drugs to move from the intestine to the bloodstream. The activity of a transporter can be influenced by individual genetic variability. We think that adsorption of Singulair requires help from a transport protein called OATP2B1. We have found that a single common genetic change in this protein is associated with low plasma concentration of montelukast. In this proposal we will determine plasma levels of montelukast in individuals with two copies of this genetic change. We predict that these individuals will have roughly half the plasma level of montelukast as individuals with no copies of this genetic change. Eventually, what we learn from this work will allow doctors to quickly test individuals with asthma to determine how well they will absorb Singulair and possibly other LTRAs. Knowing this will allow the doctor to adjust the drug treatment on an individual basis to maximize benefit in the treatment of asthma.
This study is a first administration to man microdose study to describe the pharmacokinetics of GSK2239633.
The purpose of this study is to assess the effect of six weeks' treatment with two once-daily strengths of Fluticasone Furoate/GW642444 Inhalation Powder on the HPA axis system
This study will establish the safety as well as demonstrate benefit of the addition of a LABA to an ICS by utilizing an endpoint (time to first severe asthma exacerbation) that informs on both safety and efficacy.
Measurement of disease control, treatment adherence and patient knowledge of his/her medication in patients that are receiving a pharmaceutical intervention compared with those patients who receive regular pharmaceutical care.
Cost effectiveness analysis of local management of patients diagnosed with heart failure disease compared with an ideal guideline-based management.
The aim of the research is to assess the duration of a delay in asthma diagnosis in children after the Program for Prevention of Allergic Diseases. Risk factors for delayed diagnosis of asthma in children will also be assessed. This study will answer the question of whether this ratio depends on the time, which indirectly proves that it can be changed by local intervention programs. Prove lasting effects of the Program may contribute to planning further local interventions focused on improving medical care for patients with bronchial asthma in the Lodz region, and reduce social costs associated with this disease.
Being a key player in Asthma, eosinophils constitute a potential target to interfere with the series of biological events leading to Asthma pathogenesis. In this proposal, the investigators hypothesize that the interaction between eosinophils and airway smooth muscle cells (ASM) cells plays an important role in airway remodeling. Hence the investigators will investigate the role of eosinophils in enhancing ASM cells proliferation resulting in airways remodeling. The investigators will also investigate the mechanism behind this phenomenon. This will then pave the way for medical (drug) interference at one or several sites in order to prevent one of the main potential reasons behind airway remodeling, namely eosinophil-derived ASM proliferation.
This study compared the 14-day bronchodilator efficacy of indacaterol with that of placebo and salmeterol