Clinical Research Directory

Inclusion Criteria: 1. Age 18 years 2. Signature of informed consent 3. Diagnosis of moderate and/or severe DA by a dermatologist specialist defined on the basis of following criteria (10): * EASI 16 * EASI \<16 but with at least one of the following conditions: 1. location in at least one of the following "critical" locations: face, hands, genitals 2. QID \> 10 3. VAS itching \> 7 4. VAS sleep \> 7 Exclusion Criteria: 1. Patient unable to provide informed consent prior to any collection procedures data on the study; 2. unable to complete the procedures required for the study; 3. a patient already participating in another follow-up register of the same disease.