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Effects of Montelukast in Asthmatic Children With and Without Food Allergy

Children Clinical Trial

Official title:
Phase 4 Study of Effects of Montelukast Treatment on Allergic Inflammation in Children With and Without Food Allergy, Single Centered, Randomised, Double Blind, Placebo Controlled Parallel Group Cross-over Study

Clinical Trial Summary

- To search the effects of montelukast on the airway inflammation including FEV1%, FEV1%/FVC, the provocholine® (methacoline chloride powder for inhalation) challenge tests, the leukotriene levels in the exhaled breath condensate in asthmatic children with and without food allergy aged 6-18 years old.

- To define the patient groups with good response to montelukast and to define the parameters which predict the good response.

Clinical Trial Description

The aim of this analysis is to determine whether the children with food allergy may have more eosinophilic inflammation in the airways (as measured by FENO) or they may have Cysteinyl leukotrienes based inflammation in the airways that will be shown by high levels of Cys LT and low levels of lipoxin in the exhaled breath condensate. Our suggestion is that a special pattern of inflammation may be seen in asthmatics with food allergy because of their strong atopic march history and then we aimed to test if montelukast is more effective in children when the ratio of Cysteinyl LT inflammation is high relative to FENO (eosinophilic inflammation). This study will be the first to evaluate the effect of montelukast regarding the synthesis of Cys leukotrienes, lipoxin and FENO that will be measured from exhaled breath condensate, which is the mirror of the local inflammation in the airways in asthmatic children with atopy (food allergy). As we mentioned above another factor that we are planning to analyze is the ratio of Cys leukotriene to lipoxin, which is the natural antagonist of LT. This study will determine the ratio of Cyst LT to lipoxin and Cyst LT to FENO in the exhaled breath condensate and then there will be an analysis to see the correlation of these inflammatory markers with montelukast related changes on FEV1%, FEV1%/FVC. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01618929
Study type Interventional
Source Hacettepe University
Contact
Status Completed
Phase Phase 4
Start date March 2013
Completion date May 2016
View Details
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