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Clinical Trial Summary

It is an open study, explorative, proof of concept study concerning mycobiota dysbiosis implication in AD patients with head and neck involvement.


Clinical Trial Description

The aim of this study is to carry out an analysis of the mycobiome in the head and neck regions of 30 adults with Atopic dermatitis compared with 15 healthy controls. patients and participants will be recruited from 2 centers Hôpital Tenon AP-HP (Pr A Soria) and CHU Lille (Pr D Staumont-Sallé) over a 12-month period. Patient will be classified in 2 subgroups according to topography and body surface area involved by AD; - Group 1: Generalized AD defined by AD skin lesion involved more or equal 50% of total body surface area with head and neck involvement. (15 patients) - Group 2: Head and neck AD (HNAD) defined by AD involving at least 80% of the head and neck area with or without AD involvement outside the head and neck area but <20% of total body surface area. (15 patients) Group 3: Healthy control without chronic skin disease. Healthy control will be recruited from non-atopic patients explored in ours departments for drug allergy after resolution of acute events. (15 healthy controls) In the framework of consultation, medical examination with clinical assessment, non-invasive skin microbiota samples (3x2 skin ESwab) will be performed and a supplemental blood sample was collected (35 mL) for study of innate and adaptive immune response (see Diagram of the study summarising the chronology of the study). For each patient the end of participation in the study is achieved after the completion of swab and blood samples. No follow up is planned. Patients' participation is 1 day at maximum. Skin samples will be used for study of Mycobiome by culture and MALDI-TOF and NGS analysis and Blood sample will be used for study of the immune innate and adaptative response. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06455891
Study type Observational
Source Assistance Publique - Hôpitaux de Paris
Contact Angèle SORIA, PU-PH
Phone 00 33 156017220
Email angele.soria@aphp.fr
Status Not yet recruiting
Phase
Start date June 2024
Completion date June 2025

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