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Clinical Trial Summary

Iron deficiency and anemia are clearly associated with the onset of allergy and allergic diseases, whereas an improved iron status seems to prevent the onset of allergy in humans. Iron-deficiency can be absolute or functional. Functional iron-deficiency occurs during immune activation and may be reflective for the hyperactive state of atopic subjects. The investigators plan a prophylactic dietary intervention study in atopic/allergic and non-allergic individuals that transport chelated iron to immune cells. Over the course of six months, oral supplementation of placebo or whey protein-bound chelated iron will be given and 1) clinical reactivity 2) iron status and 3) changes in the microflora due to the treatment will be assessed.


Clinical Trial Description

There is no state-of-the-art prophylactic treatment for atopy. Once allergy develops, allergens should be avoided, and specific allergen immunotherapy applied. The initial cause of the onset of allergy, namely the immune hyperactive state of the atopic subjects, is not addressed at all. The investigators hypothesize that atopy is defined by a mild functional iron deficiency and that improving the iron status of immune cells will decrease the reactivity of these cells. In this prophylactic dietary intervention study oral supplementation of placebo or chelated and whey protein-bound iron will be given over the course of six months to allergic and non-allergic women. Changes in 1) the clinical reactivity 2) the iron status and 3) the microflora will be assessed. The study will be the first systematic approach in humans to assess the contribution of iron deficiency to allergy and will be pivotal in supporting the implementation of prophylactic and therapeutic recommendations. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03816800
Study type Interventional
Source Medical University of Vienna
Contact
Status Completed
Phase N/A
Start date January 28, 2019
Completion date October 29, 2020

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