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Browse 4,312 clinical trials for asthma. Find studies that match your criteria and connect with research centers.
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NCT02571660
Asthma is a disease that represents a public health problem worldwide, there are several barriers, especially in pediatric patients with this disease, them, prevent the adequate control of their condition, in addition every day there are new processing aids for this entity; within these novel research we founded the relationship between decreased vitamin D serum levels and his role in the regulating of the immune response, also this relationship in the pathophysiology of this disease and responses in the event of infectious diseases of the respiratory tract which can exacerbate symptoms in pediatric patients. We have been some of clinical trials with the aim of improving serum levels of vitamin D in asthmatic patients, however, these studies have different sources of bias and thus far there is no solid evidence that favors or denies the relationship between asthma and vitamin D, this paper aims to help generate this evidence to improve clinical management of these patients and their lung function and increase the free time crisis. In this trial two study groups which are divided for each of the interventions described below: Group low supplementation dose: 1 tablet of 400 IU was administered every 24 hours via oral, regardless of time or if it is before or after food, preferably in the morning to improve adherence to treatment, will be completed one year of treatment without suspension. Group high supplementation dose: 1 tablet of 1600 IU should be administered every 24 hours via oral, regardless of time or if it is before or after food, preferably in the morning to improve adherence to treatment, will be completed one year of treatment without suspension thereof.
NCT01006655
Respiratory diseases including Asthma are high prevalent among preschool children. Specific treatment, nowadays, include steroid inhalers and anti leukotrienes. It is known that the amount of the drug reaching small airways and lungs is bigger how much smaller the particles liberated by inhalers. Beclometasone is being used for treating asthma for 30 years. Lately emerged a new presentation of beclometasone, which liberates particles as small as 2.1 µg, that is supposed to reach the small airways at higher concentrations and be more suitable to patients who don't cooperate properly to the procedure of inhalation. The investigators' group has reported successfully the possibility to perform Pulmonary Challenge tests (adenosine, methacholine and exercise) in tender age. Other studies reported relation between asthma control and reduction in airway hyperreactivity. The purpose of this study is to evaluate the efficacy of Beclometasone dipropionate - Qvar to reduce airways hyperreactivity in preschool children, as demonstrated by adenosine challenge test.