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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.
NCT02515786
During normal breathing, the upper and lower airways performs the priming of inspired gas: humidification, heating and filtering from nose to the bronchios for adequate gas exchange occurs in the lungs. Many patients with severe or advanced cardiopulmonary conditions (cystic fibrosis, chronic obstructive pulmonary disease, pulmonary hypertension, advanced heart failure among others) may develop chronic respiratory failure and require treatment with oxygen therapy. High fractions of inspired oxygen have been associated with deleterious effects on the nasal ciliary beating and nose mucociliary transport. At home assistance, the patient with chronic respiratory receives oxygen via nasal cannula to the patient has been applied with and without humidification, however, does not know the effects of these two types of dry and humidified administration on the mucosa of the nose, airways and lungs. The investigators will assess the subject in use of home oxygen therapy at baseline, 12 hours, 7 days 30 days, 12 months and 24 months.