Clinical Research Directory

Characterization of the Cytokine Profile and the Microbiome in Darier's Disease

Sponsor: University Hospital, Toulouse

Summary

Darier disease is a rare genetic skin disease caused by mutations in the ATP2A2 gene. Clinically, patients present with inflammatory and keratotic papules, sometimes erosive and oozing, predominating in seborrheic areas and folds. The lesions are very visible, causing itching and pain and a significant impairment of quality of life. Complications such as superinfections of the skin (bacterial and viral) are very common and sometimes severe. Therapeutically, treatments are mainly symptomatic and often of limited effectiveness, particularly on inflammation and pruritus. The main objective of this clinical study is to compare the microbiota of the epidermis of patients with Darier disease in non-lesional areas versus lesional areas , making it possible to identify bacteria/clusters of bacteria, but also to analyze the metabolic pathways of the microbiota associated with the microbial signature, until now not described. The secondary objectives envisaged are to study the correlation between this microbiotic profile and both the clinical characteristics of patients and the cytokine profile. The research will be performed on 40 patients aged 18 or over, suffering from moderate to severe Darier Disease. For each patient, several samples will be collected including biopsies, blood sample, swabbing and tape-stripping, on lesional and non-lesional areas.

Official title: Characterization of the Cytokine Profile and the Microbiome in Darier's Disease: Towards New Therapeutic Perspectives.

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