The purpose of the study is to collect different samples for molecular characterization of inflammatory skin diseases.
Subject is willing to participate and is capable of giving informed consent. Note: Consent must be obtained prior to any study-related procedures.
Subject must be willing to comply with all study procedures and must be available for the duration of the study.
Male or female subject aged 18 years or older, at the time of consent.
Subject is in good general health, according to the investigator's judgment.
Subject is a female who is pregnant or who is planning to become pregnant during the study.
Subject has a history of skin disease or presence of skin condition that, in the opinion of the investigator, would interfere with the study assessments.
Approximately 200 healthy volunteers and approximately 300 subjects with acne, atopic dermatitis (AD), chronic hand eczema (CHE), hidradenitis suppurativa (HS), palmoplantar pustulosis (PPP), and/or psoriasis will be included in this study.
Cohort
Cross-sectional
Blood samples collection
Procedure/Surgerybiomarkers and optional genetic analysis
Oral samples collection
Procedure/Surgerybiomarkers analysis
Hair samples collection
Procedure/Surgerybiomarkers analysis
Skin samples collection (skin tape strip and/or skin biopsy, and/or skin scraping)
Procedure/Surgerybiomarkers analysis
Skin surface material samples
Procedure/Surgerybiomarkers analysis
Drainage fluid samples collection
Procedure/Surgerybiomarkers analysis
Stool samples collection
Procedure/Surgerybiomarkers analysis
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Treatment groupsSee each treatment group below.
Untargeted biomarker approach with gene expression profile of skin samples
Exploratory biomarker and gene expression analyses.
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