View clinical trials related to Persistent Asthma.
Filter by:The primary objective is to determine whether continuous sensing, control and mitigation of home indoor air quality influences the frequency of asthma related symptoms, as measured by Serum IgE, Spirometry with exhaled Nitric Oxide, missed school and workdays, need for pharmacologic intervention (albuterol, oral steroids), frequency of sick visits to pulmonologist or primary care provider (PCP), urgent care / emergency department visits, and hospitalizations
The purpose of this study is to assess the evolution of disease control, health-related quality of life, and the risk of severe asthma exacerbations in children and adolescents with persistent asthma in Spain at short, mid and long-term follow-up. Patient-reported information in this project is collected by computer assisted telephone interviews (CATI) and a mobile application (ARCA App).
Clinical trial to demonstrate whether, in patients with moderate asthma, to treat with IC / LABA a medium dose, but not controlled, to achieve a similar degree of control by making a progressive increase of that treatment (CI / LABA a high dose) versus switching to fluticasone / Formoterol K-Haler at medium dose, under conditions of usual clinical practice.
Scientific evidence has shown that, over the past two decades, the combination of cockroach allergy and cockroach exposure is one of the most important factors contributing to the dramatic increase in asthma morbidity seen in inner city children with asthma. Therefore, a major goal of the Inner City Asthma Consortium (ICAC) is to evaluate the efficacy of cockroach immunotherapy in inner city asthma. The primary objective of the study is to determine if the response to nasal allergen challenge (NAC) will be changed with treatment with cockroach subcutaneous immunotherapy (SCIT) treatment.
The Investigators hypothesise that asthma is not a single disease, but a syndrome resulting from several distinct underlying disease processes known as endotypes. There are approximately 30,000 genes in humans, and each gene is responsible for the production of a particular protein. Using a technique called "whole genome expression profiling" The Investigators have undertaken a small study looking at the activity of all 30,000 genes in the airway tissue of people with asthma. This work has identified 3 mutually exclusive distinct molecular patterns (endotypes) of severe asthma and has identified other potentially important molecular targets (manuscripts in preparation). In particular,the Investigators have found that 25-50% of patients have asthma associated with the activity of proteins called Th2 cytokines (Th2-high asthma). New treatments are in development that target this pathway. However, the Investigators do not know what is driving severe asthma in patients who do not express these Th2 cytokines. The aim of this study is to investigate in more detail the molecular mechanisms driving severe asthma in patients who do not express Th2 cytokines (Th2-low asthma), so that the Investigators can identify new targets for treatment in this group. To do this the Investigators will collect airway tissue via a telescope (bronchoscope), and analyse gene and protein expression in the tissue. The Investigators will then compare the molecular activity between patients with Th2-high and Th2-low asthma, and healthy control subjects (data obtained from a parallel study).
The primary objective of this study is to evaluate the efficacy of beclomethasone dipropionate administered via BAI at a dose strength of 40 or 80 mcg per oral inhalation (320 or 640 mcg/day, respectively) compared with placebo treatment in patients with persistent asthma as assessed by the standardized baseline-adjusted trough morning (pre-dose and pre-rescue bronchodilator) forced expiratory volume in 1 second (FEV1) area under the effect curve from time 0 to 6 weeks (AUEC[0-6wk]).
A randomized controlled trial of a texting intervention to increase adherence to preventative asthma medication in four Cincinnati Children's Hospital Medical Center primary care clinics.
The primary objective of the study is to evaluate the long-term safety of fluticasone propionate (Fp) inhalation powder in 2 strengths and fluticasone propionate/salmeterol inhalation (FS) powder in 2 strengths when administered with the Teva multidose dry powder inhaler (MDPI) device over 26 weeks in patients with persistent asthma.
The aim of this randomized double-blind placebo controlled study is to assess whether vitamin D supplementation will improve control in South African children with persistent asthma at an academic hospital. The following hypotheses will be tested: Vitamin D significantly and directly correlates with poor control of persistent asthma; Daily vitamin D supplementation for six months will result in improved control of persistent asthma compared to a placebo. It is intended to enroll 100 children between the ages of 6 to 12 years with persistent asthma on inhaled therapy. The sample size calculations are based on the hypothesis that vitamin D supplementation will result in a 25% improvement in asthma symptoms as measured by the Asthma Treatment Assessment Questionnaire (ATAQ) and peak flow readings. The children will be randomized into one of two groups; one group will be given 1200 IU of vitamin and the other a placebo. The vitamin D or placebo will be given in the morning daily to each child for six months. The children will be assessed monthly by the study physician, to evaluate for signs of poor asthma control e.g. persistent cough and recurrent wheezing. The heights and weights and peak expiratory flow meter readings will also be obtained monthly for six months. Blood samples will be taken for Vitamin D levels, calcium, phosphorus levels at baseline, third month and at the end of the study. All enrolled children will be required to produce their tablet containers for pill counting on a monthly basis to ensure adherence.
This is a randomized, double-blind, placebo-controlled parallel-group study. Participants will be randomly assigned to receive treatment with beclomethasone dipropionate at a dosage of 80 or 160 mcg/day delivered via a Breath-Actuated Inhaler (BAI); or a matching BAI placebo, in a 1:1:1 ratio after a 14- to 21-day run-in period. Participants and investigators will remain blinded to randomized treatment assignment during the study