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Clinical Trial Summary

This is a prospective, single center, clinical mechanistic pilot clinical research study. Participants will not receive any investigational agent. The investigators will examine whether children with atopic dermatitis (AD) and food allergy have a different skin barrier, microbiome, epidermal transcriptome, and epidermal lipid composition than children with AD and no food allergy and non-atopic (NA) children. Participation involves a single study visit.


Clinical Trial Description

Atopic Dermatitis (AD) is a chronic inflammatory skin disorder in which the skin becomes extremely itchy and is susceptible to recurrent skin infections. AD is thought to occur from a combination of immunological, genetic, and environmental factors.

Those with atopic dermatitis (AD) often have food allergy and Staphylococcus aureus (S. aureus) colonization of the skin. There is evidence suggesting that skin barrier dysfunction, measurable as increased transepidermal water loss (TEWL), is a predisposing factor to food sensitization and food allergy from epicutaneous penetration of environmental food allergens. Furthermore, the investigators for this study have identified that AD children with food allergy, especially peanut allergy, are colonized with Staphylococcus aureus. However, only half (50%) of children with AD have food allergy or S. aureus colonization, suggesting there are other factors accounting for food allergy. There have been no previous studies of TEWL or, microbial or molecular profiling of the skin in those with AD prone to food allergy versus AD without food allergy. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03168113
Study type Observational
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact
Status Completed
Phase N/A
Start date June 12, 2017
Completion date January 31, 2018

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