About this trial
Very little is currently known about the pathophysiology of pruritus sine materia according to the etiology. The creation of this cohort should make it possible to improve our clinical and biological knowledge according to the etiology, by collecting blood, skin, feces, and clinical data.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosis of pruritus sine materia
Collection of consent
Adult
Disqualifiers
None
Trial population
Patient with pruritus sine materia
Trial design
Case-only
Prospective
Treatments tested in this trial
Blood samples
Other interventionAt inclusion : * 52.5 ml of blood : * 24 ml plasma * 20 ml serum * 6 ml DNA * 2.5 ml RNA
skin swab sample
Other interventionAt inclusion a skin swab sample will be collected
skin biopsy sample
Other interventionAt inclusion a skin biopsy sample will be collected
Questionnaires
Other interventionAt inclusion, at 6 months and every year, the patient will respond to 5 questionnaires : Brest questionnaire, 5-D itch scale, Dermatology Life Quality Index, Itchy Quality of Life and Hospital Anxiety and Depression Scale
Treatment groups
Trial outcomes
Primary outcomes
Clinical description of the pruritus
Chronology
Clinical description of the pruritus
Intensity
Clinical description of the pruritus
Location
Clinical description of the pruritus
Aggravating and ameliorating factors
Sponsors and contacts
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